| <!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/root/.cargo/git/checkouts/incubator-teaclave-crates-c8106113f74feefc/ede1f68/image/./src/dynimage.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>dynimage.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../normalize.css"><link rel="stylesheet" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../ayu.css" disabled><link rel="stylesheet" href="../../dark.css" disabled><link rel="stylesheet" href="../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../storage.js"></script><script defer src="../../source-script.js"></script><script defer src="../../source-files.js"></script><script defer src="../../main.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../favicon.svg"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><a class="sidebar-logo" href="../../image/index.html"><div class="logo-container"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></div></a></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../image/index.html"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></a><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../wheel.svg"></a></div></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> |
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| <span id="1076">1076</span> |
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| <span id="1078">1078</span> |
| <span id="1079">1079</span> |
| <span id="1080">1080</span> |
| <span id="1081">1081</span> |
| <span id="1082">1082</span> |
| <span id="1083">1083</span> |
| <span id="1084">1084</span> |
| <span id="1085">1085</span> |
| <span id="1086">1086</span> |
| <span id="1087">1087</span> |
| <span id="1088">1088</span> |
| <span id="1089">1089</span> |
| <span id="1090">1090</span> |
| <span id="1091">1091</span> |
| <span id="1092">1092</span> |
| <span id="1093">1093</span> |
| <span id="1094">1094</span> |
| <span id="1095">1095</span> |
| <span id="1096">1096</span> |
| <span id="1097">1097</span> |
| <span id="1098">1098</span> |
| <span id="1099">1099</span> |
| <span id="1100">1100</span> |
| <span id="1101">1101</span> |
| <span id="1102">1102</span> |
| <span id="1103">1103</span> |
| <span id="1104">1104</span> |
| <span id="1105">1105</span> |
| <span id="1106">1106</span> |
| <span id="1107">1107</span> |
| <span id="1108">1108</span> |
| <span id="1109">1109</span> |
| <span id="1110">1110</span> |
| <span id="1111">1111</span> |
| <span id="1112">1112</span> |
| <span id="1113">1113</span> |
| <span id="1114">1114</span> |
| <span id="1115">1115</span> |
| <span id="1116">1116</span> |
| <span id="1117">1117</span> |
| <span id="1118">1118</span> |
| <span id="1119">1119</span> |
| <span id="1120">1120</span> |
| <span id="1121">1121</span> |
| <span id="1122">1122</span> |
| <span id="1123">1123</span> |
| <span id="1124">1124</span> |
| <span id="1125">1125</span> |
| <span id="1126">1126</span> |
| <span id="1127">1127</span> |
| <span id="1128">1128</span> |
| <span id="1129">1129</span> |
| <span id="1130">1130</span> |
| <span id="1131">1131</span> |
| <span id="1132">1132</span> |
| <span id="1133">1133</span> |
| <span id="1134">1134</span> |
| <span id="1135">1135</span> |
| <span id="1136">1136</span> |
| <span id="1137">1137</span> |
| <span id="1138">1138</span> |
| <span id="1139">1139</span> |
| <span id="1140">1140</span> |
| <span id="1141">1141</span> |
| <span id="1142">1142</span> |
| <span id="1143">1143</span> |
| <span id="1144">1144</span> |
| <span id="1145">1145</span> |
| <span id="1146">1146</span> |
| <span id="1147">1147</span> |
| <span id="1148">1148</span> |
| <span id="1149">1149</span> |
| <span id="1150">1150</span> |
| <span id="1151">1151</span> |
| <span id="1152">1152</span> |
| <span id="1153">1153</span> |
| <span id="1154">1154</span> |
| <span id="1155">1155</span> |
| <span id="1156">1156</span> |
| <span id="1157">1157</span> |
| <span id="1158">1158</span> |
| <span id="1159">1159</span> |
| <span id="1160">1160</span> |
| <span id="1161">1161</span> |
| <span id="1162">1162</span> |
| <span id="1163">1163</span> |
| <span id="1164">1164</span> |
| <span id="1165">1165</span> |
| <span id="1166">1166</span> |
| <span id="1167">1167</span> |
| <span id="1168">1168</span> |
| <span id="1169">1169</span> |
| <span id="1170">1170</span> |
| <span id="1171">1171</span> |
| <span id="1172">1172</span> |
| <span id="1173">1173</span> |
| <span id="1174">1174</span> |
| <span id="1175">1175</span> |
| <span id="1176">1176</span> |
| <span id="1177">1177</span> |
| <span id="1178">1178</span> |
| <span id="1179">1179</span> |
| <span id="1180">1180</span> |
| <span id="1181">1181</span> |
| <span id="1182">1182</span> |
| <span id="1183">1183</span> |
| <span id="1184">1184</span> |
| <span id="1185">1185</span> |
| <span id="1186">1186</span> |
| <span id="1187">1187</span> |
| <span id="1188">1188</span> |
| <span id="1189">1189</span> |
| <span id="1190">1190</span> |
| <span id="1191">1191</span> |
| <span id="1192">1192</span> |
| <span id="1193">1193</span> |
| <span id="1194">1194</span> |
| <span id="1195">1195</span> |
| <span id="1196">1196</span> |
| <span id="1197">1197</span> |
| <span id="1198">1198</span> |
| <span id="1199">1199</span> |
| <span id="1200">1200</span> |
| <span id="1201">1201</span> |
| <span id="1202">1202</span> |
| <span id="1203">1203</span> |
| <span id="1204">1204</span> |
| <span id="1205">1205</span> |
| <span id="1206">1206</span> |
| <span id="1207">1207</span> |
| <span id="1208">1208</span> |
| <span id="1209">1209</span> |
| <span id="1210">1210</span> |
| <span id="1211">1211</span> |
| <span id="1212">1212</span> |
| <span id="1213">1213</span> |
| <span id="1214">1214</span> |
| <span id="1215">1215</span> |
| <span id="1216">1216</span> |
| <span id="1217">1217</span> |
| <span id="1218">1218</span> |
| <span id="1219">1219</span> |
| <span id="1220">1220</span> |
| <span id="1221">1221</span> |
| <span id="1222">1222</span> |
| <span id="1223">1223</span> |
| <span id="1224">1224</span> |
| <span id="1225">1225</span> |
| <span id="1226">1226</span> |
| <span id="1227">1227</span> |
| <span id="1228">1228</span> |
| <span id="1229">1229</span> |
| <span id="1230">1230</span> |
| <span id="1231">1231</span> |
| <span id="1232">1232</span> |
| <span id="1233">1233</span> |
| <span id="1234">1234</span> |
| <span id="1235">1235</span> |
| <span id="1236">1236</span> |
| <span id="1237">1237</span> |
| <span id="1238">1238</span> |
| <span id="1239">1239</span> |
| <span id="1240">1240</span> |
| <span id="1241">1241</span> |
| <span id="1242">1242</span> |
| <span id="1243">1243</span> |
| <span id="1244">1244</span> |
| <span id="1245">1245</span> |
| <span id="1246">1246</span> |
| <span id="1247">1247</span> |
| <span id="1248">1248</span> |
| <span id="1249">1249</span> |
| <span id="1250">1250</span> |
| <span id="1251">1251</span> |
| <span id="1252">1252</span> |
| <span id="1253">1253</span> |
| <span id="1254">1254</span> |
| <span id="1255">1255</span> |
| <span id="1256">1256</span> |
| <span id="1257">1257</span> |
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| <span id="1260">1260</span> |
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| <span id="1268">1268</span> |
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| <span id="1276">1276</span> |
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| <span id="1278">1278</span> |
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| <span id="1280">1280</span> |
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| <span id="1283">1283</span> |
| <span id="1284">1284</span> |
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| <span id="1286">1286</span> |
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| <span id="1288">1288</span> |
| <span id="1289">1289</span> |
| <span id="1290">1290</span> |
| <span id="1291">1291</span> |
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| <span id="1296">1296</span> |
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| <span id="1298">1298</span> |
| <span id="1299">1299</span> |
| <span id="1300">1300</span> |
| <span id="1301">1301</span> |
| <span id="1302">1302</span> |
| <span id="1303">1303</span> |
| <span id="1304">1304</span> |
| <span id="1305">1305</span> |
| <span id="1306">1306</span> |
| <span id="1307">1307</span> |
| <span id="1308">1308</span> |
| <span id="1309">1309</span> |
| <span id="1310">1310</span> |
| <span id="1311">1311</span> |
| <span id="1312">1312</span> |
| <span id="1313">1313</span> |
| <span id="1314">1314</span> |
| <span id="1315">1315</span> |
| <span id="1316">1316</span> |
| <span id="1317">1317</span> |
| <span id="1318">1318</span> |
| <span id="1319">1319</span> |
| <span id="1320">1320</span> |
| <span id="1321">1321</span> |
| <span id="1322">1322</span> |
| <span id="1323">1323</span> |
| <span id="1324">1324</span> |
| <span id="1325">1325</span> |
| <span id="1326">1326</span> |
| <span id="1327">1327</span> |
| <span id="1328">1328</span> |
| <span id="1329">1329</span> |
| <span id="1330">1330</span> |
| <span id="1331">1331</span> |
| <span id="1332">1332</span> |
| <span id="1333">1333</span> |
| <span id="1334">1334</span> |
| <span id="1335">1335</span> |
| <span id="1336">1336</span> |
| <span id="1337">1337</span> |
| <span id="1338">1338</span> |
| <span id="1339">1339</span> |
| <span id="1340">1340</span> |
| <span id="1341">1341</span> |
| <span id="1342">1342</span> |
| <span id="1343">1343</span> |
| <span id="1344">1344</span> |
| <span id="1345">1345</span> |
| <span id="1346">1346</span> |
| <span id="1347">1347</span> |
| <span id="1348">1348</span> |
| <span id="1349">1349</span> |
| <span id="1350">1350</span> |
| <span id="1351">1351</span> |
| <span id="1352">1352</span> |
| <span id="1353">1353</span> |
| <span id="1354">1354</span> |
| <span id="1355">1355</span> |
| <span id="1356">1356</span> |
| <span id="1357">1357</span> |
| <span id="1358">1358</span> |
| <span id="1359">1359</span> |
| </pre><pre class="rust"><code><span class="kw">use </span>std::io; |
| <span class="kw">use </span>std::io::Write; |
| <span class="kw">use </span>std::path::Path; |
| <span class="kw">use </span>std::u32; |
| |
| <span class="attribute">#[cfg(feature = <span class="string">"bmp"</span>)] |
| </span><span class="kw">use </span><span class="kw">crate</span>::codecs::bmp; |
| <span class="attribute">#[cfg(feature = <span class="string">"gif"</span>)] |
| </span><span class="kw">use </span><span class="kw">crate</span>::codecs::gif; |
| <span class="attribute">#[cfg(feature = <span class="string">"ico"</span>)] |
| </span><span class="kw">use </span><span class="kw">crate</span>::codecs::ico; |
| <span class="attribute">#[cfg(feature = <span class="string">"jpeg"</span>)] |
| </span><span class="kw">use </span><span class="kw">crate</span>::codecs::jpeg; |
| <span class="attribute">#[cfg(feature = <span class="string">"png"</span>)] |
| </span><span class="kw">use </span><span class="kw">crate</span>::codecs::png; |
| <span class="attribute">#[cfg(feature = <span class="string">"pnm"</span>)] |
| </span><span class="kw">use </span><span class="kw">crate</span>::codecs::pnm; |
| <span class="attribute">#[cfg(feature = <span class="string">"farbfeld"</span>)] |
| </span><span class="kw">use </span><span class="kw">crate</span>::codecs::farbfeld; |
| <span class="attribute">#[cfg(feature = <span class="string">"tga"</span>)] |
| </span><span class="kw">use </span><span class="kw">crate</span>::codecs::tga; |
| <span class="attribute">#[cfg(feature = <span class="string">"avif"</span>)] |
| </span><span class="kw">use </span><span class="kw">crate</span>::codecs::avif; |
| |
| <span class="kw">use </span><span class="kw">crate</span>::buffer_::{ |
| BgrImage, BgraImage, ConvertBuffer, GrayAlphaImage, GrayAlpha16Image, |
| GrayImage, Gray16Image, ImageBuffer, RgbImage, Rgb16Image, RgbaImage, |
| Rgba16Image, |
| }; |
| <span class="kw">use </span><span class="kw">crate</span>::color::{<span class="self">self</span>, IntoColor}; |
| <span class="kw">use </span><span class="kw">crate</span>::error::{ImageError, ImageFormatHint, ImageResult, ParameterError, ParameterErrorKind, UnsupportedError, UnsupportedErrorKind}; |
| <span class="kw">use </span><span class="kw">crate</span>::flat::FlatSamples; |
| <span class="kw">use </span><span class="kw">crate</span>::image; |
| <span class="kw">use </span><span class="kw">crate</span>::image::{GenericImage, GenericImageView, ImageDecoder, ImageFormat, ImageOutputFormat}; |
| <span class="kw">use </span><span class="kw">crate</span>::image::ImageEncoder; |
| <span class="kw">use </span><span class="kw">crate</span>::io::free_functions; |
| <span class="kw">use </span><span class="kw">crate</span>::imageops; |
| <span class="kw">use </span><span class="kw">crate</span>::math::resize_dimensions; |
| <span class="kw">use </span><span class="kw">crate</span>::traits::Pixel; |
| |
| <span class="doccomment">/// A Dynamic Image |
| </span><span class="attribute">#[derive(Clone, Debug, Hash, PartialEq, Eq)] |
| </span><span class="kw">pub enum </span>DynamicImage { |
| <span class="doccomment">/// Each pixel in this image is 8-bit Luma |
| </span>ImageLuma8(GrayImage), |
| |
| <span class="doccomment">/// Each pixel in this image is 8-bit Luma with alpha |
| </span>ImageLumaA8(GrayAlphaImage), |
| |
| <span class="doccomment">/// Each pixel in this image is 8-bit Rgb |
| </span>ImageRgb8(RgbImage), |
| |
| <span class="doccomment">/// Each pixel in this image is 8-bit Rgb with alpha |
| </span>ImageRgba8(RgbaImage), |
| |
| <span class="doccomment">/// Each pixel in this image is 8-bit Bgr |
| </span>ImageBgr8(BgrImage), |
| |
| <span class="doccomment">/// Each pixel in this image is 8-bit Bgr with alpha |
| </span>ImageBgra8(BgraImage), |
| |
| <span class="doccomment">/// Each pixel in this image is 16-bit Luma |
| </span>ImageLuma16(Gray16Image), |
| |
| <span class="doccomment">/// Each pixel in this image is 16-bit Luma with alpha |
| </span>ImageLumaA16(GrayAlpha16Image), |
| |
| <span class="doccomment">/// Each pixel in this image is 16-bit Rgb |
| </span>ImageRgb16(Rgb16Image), |
| |
| <span class="doccomment">/// Each pixel in this image is 16-bit Rgb with alpha |
| </span>ImageRgba16(Rgba16Image), |
| } |
| |
| <span class="macro">macro_rules! </span>dynamic_map( |
| (<span class="macro-nonterminal">$dynimage</span>: expr, <span class="kw-2">ref </span><span class="macro-nonterminal">$image</span>: ident => <span class="macro-nonterminal">$action</span>: expr) => ( |
| <span class="kw">match </span><span class="macro-nonterminal">$dynimage </span>{ |
| DynamicImage::ImageLuma8(<span class="kw-2">ref </span><span class="macro-nonterminal">$image</span>) => DynamicImage::ImageLuma8(<span class="macro-nonterminal">$action</span>), |
| DynamicImage::ImageLumaA8(<span class="kw-2">ref </span><span class="macro-nonterminal">$image</span>) => DynamicImage::ImageLumaA8(<span class="macro-nonterminal">$action</span>), |
| DynamicImage::ImageRgb8(<span class="kw-2">ref </span><span class="macro-nonterminal">$image</span>) => DynamicImage::ImageRgb8(<span class="macro-nonterminal">$action</span>), |
| DynamicImage::ImageRgba8(<span class="kw-2">ref </span><span class="macro-nonterminal">$image</span>) => DynamicImage::ImageRgba8(<span class="macro-nonterminal">$action</span>), |
| DynamicImage::ImageBgr8(<span class="kw-2">ref </span><span class="macro-nonterminal">$image</span>) => DynamicImage::ImageBgr8(<span class="macro-nonterminal">$action</span>), |
| DynamicImage::ImageBgra8(<span class="kw-2">ref </span><span class="macro-nonterminal">$image</span>) => DynamicImage::ImageBgra8(<span class="macro-nonterminal">$action</span>), |
| DynamicImage::ImageLuma16(<span class="kw-2">ref </span><span class="macro-nonterminal">$image</span>) => DynamicImage::ImageLuma16(<span class="macro-nonterminal">$action</span>), |
| DynamicImage::ImageLumaA16(<span class="kw-2">ref </span><span class="macro-nonterminal">$image</span>) => DynamicImage::ImageLumaA16(<span class="macro-nonterminal">$action</span>), |
| DynamicImage::ImageRgb16(<span class="kw-2">ref </span><span class="macro-nonterminal">$image</span>) => DynamicImage::ImageRgb16(<span class="macro-nonterminal">$action</span>), |
| DynamicImage::ImageRgba16(<span class="kw-2">ref </span><span class="macro-nonterminal">$image</span>) => DynamicImage::ImageRgba16(<span class="macro-nonterminal">$action</span>), |
| } |
| ); |
| |
| (<span class="macro-nonterminal">$dynimage</span>: expr, <span class="kw-2">ref mut </span><span class="macro-nonterminal">$image</span>: ident => <span class="macro-nonterminal">$action</span>: expr) => ( |
| <span class="kw">match </span><span class="macro-nonterminal">$dynimage </span>{ |
| DynamicImage::ImageLuma8(<span class="kw-2">ref mut </span><span class="macro-nonterminal">$image</span>) => DynamicImage::ImageLuma8(<span class="macro-nonterminal">$action</span>), |
| DynamicImage::ImageLumaA8(<span class="kw-2">ref mut </span><span class="macro-nonterminal">$image</span>) => DynamicImage::ImageLumaA8(<span class="macro-nonterminal">$action</span>), |
| DynamicImage::ImageRgb8(<span class="kw-2">ref mut </span><span class="macro-nonterminal">$image</span>) => DynamicImage::ImageRgb8(<span class="macro-nonterminal">$action</span>), |
| DynamicImage::ImageRgba8(<span class="kw-2">ref mut </span><span class="macro-nonterminal">$image</span>) => DynamicImage::ImageRgba8(<span class="macro-nonterminal">$action</span>), |
| DynamicImage::ImageBgr8(<span class="kw-2">ref mut </span><span class="macro-nonterminal">$image</span>) => DynamicImage::ImageBgr8(<span class="macro-nonterminal">$action</span>), |
| DynamicImage::ImageBgra8(<span class="kw-2">ref mut </span><span class="macro-nonterminal">$image</span>) => DynamicImage::ImageBgra8(<span class="macro-nonterminal">$action</span>), |
| DynamicImage::ImageLuma16(<span class="kw-2">ref mut </span><span class="macro-nonterminal">$image</span>) => DynamicImage::ImageLuma16(<span class="macro-nonterminal">$action</span>), |
| DynamicImage::ImageLumaA16(<span class="kw-2">ref mut </span><span class="macro-nonterminal">$image</span>) => DynamicImage::ImageLumaA16(<span class="macro-nonterminal">$action</span>), |
| DynamicImage::ImageRgb16(<span class="kw-2">ref mut </span><span class="macro-nonterminal">$image</span>) => DynamicImage::ImageRgb16(<span class="macro-nonterminal">$action</span>), |
| DynamicImage::ImageRgba16(<span class="kw-2">ref mut </span><span class="macro-nonterminal">$image</span>) => DynamicImage::ImageRgba16(<span class="macro-nonterminal">$action</span>), |
| } |
| ); |
| |
| (<span class="macro-nonterminal">$dynimage</span>: expr, <span class="kw-2">ref </span><span class="macro-nonterminal">$image</span>: ident -> <span class="macro-nonterminal">$action</span>: expr) => ( |
| <span class="kw">match </span><span class="macro-nonterminal">$dynimage </span>{ |
| DynamicImage::ImageLuma8(<span class="kw-2">ref </span><span class="macro-nonterminal">$image</span>) => <span class="macro-nonterminal">$action</span>, |
| DynamicImage::ImageLumaA8(<span class="kw-2">ref </span><span class="macro-nonterminal">$image</span>) => <span class="macro-nonterminal">$action</span>, |
| DynamicImage::ImageRgb8(<span class="kw-2">ref </span><span class="macro-nonterminal">$image</span>) => <span class="macro-nonterminal">$action</span>, |
| DynamicImage::ImageRgba8(<span class="kw-2">ref </span><span class="macro-nonterminal">$image</span>) => <span class="macro-nonterminal">$action</span>, |
| DynamicImage::ImageBgr8(<span class="kw-2">ref </span><span class="macro-nonterminal">$image</span>) => <span class="macro-nonterminal">$action</span>, |
| DynamicImage::ImageBgra8(<span class="kw-2">ref </span><span class="macro-nonterminal">$image</span>) => <span class="macro-nonterminal">$action</span>, |
| DynamicImage::ImageLuma16(<span class="kw-2">ref </span><span class="macro-nonterminal">$image</span>) => <span class="macro-nonterminal">$action</span>, |
| DynamicImage::ImageLumaA16(<span class="kw-2">ref </span><span class="macro-nonterminal">$image</span>) => <span class="macro-nonterminal">$action</span>, |
| DynamicImage::ImageRgb16(<span class="kw-2">ref </span><span class="macro-nonterminal">$image</span>) => <span class="macro-nonterminal">$action</span>, |
| DynamicImage::ImageRgba16(<span class="kw-2">ref </span><span class="macro-nonterminal">$image</span>) => <span class="macro-nonterminal">$action</span>, |
| } |
| ); |
| |
| (<span class="macro-nonterminal">$dynimage</span>: expr, <span class="kw-2">ref mut </span><span class="macro-nonterminal">$image</span>: ident -> <span class="macro-nonterminal">$action</span>: expr) => ( |
| <span class="kw">match </span><span class="macro-nonterminal">$dynimage </span>{ |
| DynamicImage::ImageLuma8(<span class="kw-2">ref mut </span><span class="macro-nonterminal">$image</span>) => <span class="macro-nonterminal">$action</span>, |
| DynamicImage::ImageLumaA8(<span class="kw-2">ref mut </span><span class="macro-nonterminal">$image</span>) => <span class="macro-nonterminal">$action</span>, |
| DynamicImage::ImageRgb8(<span class="kw-2">ref mut </span><span class="macro-nonterminal">$image</span>) => <span class="macro-nonterminal">$action</span>, |
| DynamicImage::ImageRgba8(<span class="kw-2">ref mut </span><span class="macro-nonterminal">$image</span>) => <span class="macro-nonterminal">$action</span>, |
| DynamicImage::ImageBgr8(<span class="kw-2">ref mut </span><span class="macro-nonterminal">$image</span>) => <span class="macro-nonterminal">$action</span>, |
| DynamicImage::ImageBgra8(<span class="kw-2">ref mut </span><span class="macro-nonterminal">$image</span>) => <span class="macro-nonterminal">$action</span>, |
| DynamicImage::ImageLuma16(<span class="kw-2">ref mut </span><span class="macro-nonterminal">$image</span>) => <span class="macro-nonterminal">$action</span>, |
| DynamicImage::ImageLumaA16(<span class="kw-2">ref mut </span><span class="macro-nonterminal">$image</span>) => <span class="macro-nonterminal">$action</span>, |
| DynamicImage::ImageRgb16(<span class="kw-2">ref mut </span><span class="macro-nonterminal">$image</span>) => <span class="macro-nonterminal">$action</span>, |
| DynamicImage::ImageRgba16(<span class="kw-2">ref mut </span><span class="macro-nonterminal">$image</span>) => <span class="macro-nonterminal">$action</span>, |
| } |
| ); |
| ); |
| |
| <span class="kw">impl </span>DynamicImage { |
| <span class="doccomment">/// Creates a dynamic image backed by a buffer of grey pixels. |
| </span><span class="kw">pub fn </span>new_luma8(w: u32, h: u32) -> DynamicImage { |
| DynamicImage::ImageLuma8(ImageBuffer::new(w, h)) |
| } |
| |
| <span class="doccomment">/// Creates a dynamic image backed by a buffer of grey |
| /// pixels with transparency. |
| </span><span class="kw">pub fn </span>new_luma_a8(w: u32, h: u32) -> DynamicImage { |
| DynamicImage::ImageLumaA8(ImageBuffer::new(w, h)) |
| } |
| |
| <span class="doccomment">/// Creates a dynamic image backed by a buffer of RGB pixels. |
| </span><span class="kw">pub fn </span>new_rgb8(w: u32, h: u32) -> DynamicImage { |
| DynamicImage::ImageRgb8(ImageBuffer::new(w, h)) |
| } |
| |
| <span class="doccomment">/// Creates a dynamic image backed by a buffer of RGBA pixels. |
| </span><span class="kw">pub fn </span>new_rgba8(w: u32, h: u32) -> DynamicImage { |
| DynamicImage::ImageRgba8(ImageBuffer::new(w, h)) |
| } |
| |
| <span class="doccomment">/// Creates a dynamic image backed by a buffer of BGRA pixels. |
| </span><span class="kw">pub fn </span>new_bgra8(w: u32, h: u32) -> DynamicImage { |
| DynamicImage::ImageBgra8(ImageBuffer::new(w, h)) |
| } |
| |
| <span class="doccomment">/// Creates a dynamic image backed by a buffer of BGR pixels. |
| </span><span class="kw">pub fn </span>new_bgr8(w: u32, h: u32) -> DynamicImage { |
| DynamicImage::ImageBgr8(ImageBuffer::new(w, h)) |
| } |
| |
| <span class="doccomment">/// Creates a dynamic image backed by a buffer of grey pixels. |
| </span><span class="kw">pub fn </span>new_luma16(w: u32, h: u32) -> DynamicImage { |
| DynamicImage::ImageLuma16(ImageBuffer::new(w, h)) |
| } |
| |
| <span class="doccomment">/// Creates a dynamic image backed by a buffer of grey |
| /// pixels with transparency. |
| </span><span class="kw">pub fn </span>new_luma_a16(w: u32, h: u32) -> DynamicImage { |
| DynamicImage::ImageLumaA16(ImageBuffer::new(w, h)) |
| } |
| |
| <span class="doccomment">/// Creates a dynamic image backed by a buffer of RGB pixels. |
| </span><span class="kw">pub fn </span>new_rgb16(w: u32, h: u32) -> DynamicImage { |
| DynamicImage::ImageRgb16(ImageBuffer::new(w, h)) |
| } |
| |
| <span class="doccomment">/// Creates a dynamic image backed by a buffer of RGBA pixels. |
| </span><span class="kw">pub fn </span>new_rgba16(w: u32, h: u32) -> DynamicImage { |
| DynamicImage::ImageRgba16(ImageBuffer::new(w, h)) |
| } |
| |
| <span class="doccomment">/// Decodes an encoded image into a dynamic image. |
| </span><span class="kw">pub fn </span>from_decoder<<span class="lifetime">'a</span>>(decoder: <span class="kw">impl </span>ImageDecoder<<span class="lifetime">'a</span>>) |
| -> ImageResult<<span class="self">Self</span>> |
| { |
| decoder_to_image(decoder) |
| } |
| |
| <span class="doccomment">/// Returns a copy of this image as an RGB image. |
| </span><span class="attribute">#[deprecated = <span class="string">"replaced by `to_rgb8`"</span>] |
| </span><span class="kw">pub fn </span>to_rgb(<span class="kw-2">&</span><span class="self">self</span>) -> RgbImage { |
| <span class="macro">dynamic_map!</span>(<span class="kw-2">*</span><span class="self">self</span>, <span class="kw-2">ref </span>p -> { |
| p.convert() |
| }) |
| } |
| |
| <span class="doccomment">/// Returns a copy of this image as an RGB image. |
| </span><span class="kw">pub fn </span>to_rgb8(<span class="kw-2">&</span><span class="self">self</span>) -> RgbImage { |
| <span class="macro">dynamic_map!</span>(<span class="kw-2">*</span><span class="self">self</span>, <span class="kw-2">ref </span>p -> { |
| p.convert() |
| }) |
| } |
| |
| <span class="doccomment">/// Returns a copy of this image as an RGB image. |
| </span><span class="kw">pub fn </span>to_rgb16(<span class="kw-2">&</span><span class="self">self</span>) -> Rgb16Image { |
| <span class="macro">dynamic_map!</span>(<span class="kw-2">*</span><span class="self">self</span>, <span class="kw-2">ref </span>p -> { |
| p.convert() |
| }) |
| } |
| |
| <span class="doccomment">/// Returns a copy of this image as an RGBA image. |
| </span><span class="attribute">#[deprecated = <span class="string">"replaced by `to_rgba8`"</span>] |
| </span><span class="kw">pub fn </span>to_rgba(<span class="kw-2">&</span><span class="self">self</span>) -> RgbaImage { |
| <span class="macro">dynamic_map!</span>(<span class="kw-2">*</span><span class="self">self</span>, <span class="kw-2">ref </span>p -> { |
| p.convert() |
| }) |
| } |
| |
| <span class="doccomment">/// Returns a copy of this image as an RGBA image. |
| </span><span class="kw">pub fn </span>to_rgba8(<span class="kw-2">&</span><span class="self">self</span>) -> RgbaImage { |
| <span class="macro">dynamic_map!</span>(<span class="kw-2">*</span><span class="self">self</span>, <span class="kw-2">ref </span>p -> { |
| p.convert() |
| }) |
| } |
| |
| <span class="doccomment">/// Returns a copy of this image as an RGBA image. |
| </span><span class="kw">pub fn </span>to_rgba16(<span class="kw-2">&</span><span class="self">self</span>) -> Rgba16Image { |
| <span class="macro">dynamic_map!</span>(<span class="kw-2">*</span><span class="self">self</span>, <span class="kw-2">ref </span>p -> { |
| p.convert() |
| }) |
| } |
| |
| <span class="doccomment">/// Returns a copy of this image as an BGR image. |
| </span><span class="attribute">#[deprecated = <span class="string">"replaced by `to_bgr8`"</span>] |
| </span><span class="kw">pub fn </span>to_bgr(<span class="kw-2">&</span><span class="self">self</span>) -> BgrImage { |
| <span class="macro">dynamic_map!</span>(<span class="kw-2">*</span><span class="self">self</span>, <span class="kw-2">ref </span>p -> { |
| p.convert() |
| }) |
| } |
| |
| <span class="doccomment">/// Returns a copy of this image as an BGR image. |
| </span><span class="kw">pub fn </span>to_bgr8(<span class="kw-2">&</span><span class="self">self</span>) -> BgrImage { |
| <span class="macro">dynamic_map!</span>(<span class="kw-2">*</span><span class="self">self</span>, <span class="kw-2">ref </span>p -> { |
| p.convert() |
| }) |
| } |
| |
| <span class="doccomment">/// Returns a copy of this image as an BGRA image. |
| </span><span class="attribute">#[deprecated = <span class="string">"replaced by `to_bgra8`"</span>] |
| </span><span class="kw">pub fn </span>to_bgra(<span class="kw-2">&</span><span class="self">self</span>) -> BgraImage { |
| <span class="macro">dynamic_map!</span>(<span class="kw-2">*</span><span class="self">self</span>, <span class="kw-2">ref </span>p -> { |
| p.convert() |
| }) |
| } |
| |
| <span class="doccomment">/// Returns a copy of this image as an BGRA image. |
| </span><span class="kw">pub fn </span>to_bgra8(<span class="kw-2">&</span><span class="self">self</span>) -> BgraImage { |
| <span class="macro">dynamic_map!</span>(<span class="kw-2">*</span><span class="self">self</span>, <span class="kw-2">ref </span>p -> { |
| p.convert() |
| }) |
| } |
| |
| <span class="doccomment">/// Returns a copy of this image as a Luma image. |
| </span><span class="attribute">#[deprecated = <span class="string">"replaced by `to_luma8`"</span>] |
| </span><span class="kw">pub fn </span>to_luma(<span class="kw-2">&</span><span class="self">self</span>) -> GrayImage { |
| <span class="macro">dynamic_map!</span>(<span class="kw-2">*</span><span class="self">self</span>, <span class="kw-2">ref </span>p -> { |
| p.convert() |
| }) |
| } |
| |
| <span class="doccomment">/// Returns a copy of this image as a Luma image. |
| </span><span class="kw">pub fn </span>to_luma8(<span class="kw-2">&</span><span class="self">self</span>) -> GrayImage { |
| <span class="macro">dynamic_map!</span>(<span class="kw-2">*</span><span class="self">self</span>, <span class="kw-2">ref </span>p -> { |
| p.convert() |
| }) |
| } |
| |
| <span class="doccomment">/// Returns a copy of this image as a Luma image. |
| </span><span class="kw">pub fn </span>to_luma16(<span class="kw-2">&</span><span class="self">self</span>) -> Gray16Image { |
| <span class="macro">dynamic_map!</span>(<span class="kw-2">*</span><span class="self">self</span>, <span class="kw-2">ref </span>p -> { |
| p.convert() |
| }) |
| } |
| |
| <span class="doccomment">/// Returns a copy of this image as a LumaA image. |
| </span><span class="attribute">#[deprecated = <span class="string">"replaced by `to_luma_alpha8`"</span>] |
| </span><span class="kw">pub fn </span>to_luma_alpha(<span class="kw-2">&</span><span class="self">self</span>) -> GrayAlphaImage { |
| <span class="macro">dynamic_map!</span>(<span class="kw-2">*</span><span class="self">self</span>, <span class="kw-2">ref </span>p -> { |
| p.convert() |
| }) |
| } |
| |
| <span class="doccomment">/// Returns a copy of this image as a LumaA image. |
| </span><span class="kw">pub fn </span>to_luma_alpha8(<span class="kw-2">&</span><span class="self">self</span>) -> GrayAlphaImage { |
| <span class="macro">dynamic_map!</span>(<span class="kw-2">*</span><span class="self">self</span>, <span class="kw-2">ref </span>p -> { |
| p.convert() |
| }) |
| } |
| |
| <span class="doccomment">/// Returns a copy of this image as a LumaA image. |
| </span><span class="kw">pub fn </span>to_luma_alpha16(<span class="kw-2">&</span><span class="self">self</span>) -> GrayAlpha16Image { |
| <span class="macro">dynamic_map!</span>(<span class="kw-2">*</span><span class="self">self</span>, <span class="kw-2">ref </span>p -> { |
| p.convert() |
| }) |
| } |
| |
| <span class="doccomment">/// Consume the image and returns a RGB image. |
| /// |
| /// If the image was already the correct format, it is returned as is. |
| /// Otherwise, a copy is created. |
| </span><span class="attribute">#[deprecated = <span class="string">"replaced by `into_rgb8`"</span>] |
| </span><span class="kw">pub fn </span>into_rgb(<span class="self">self</span>) -> RgbImage { |
| <span class="kw">match </span><span class="self">self </span>{ |
| DynamicImage::ImageRgb8(x) => x, |
| x => x.to_rgb8(), |
| } |
| } |
| |
| <span class="doccomment">/// Consume the image and returns a RGB image. |
| /// |
| /// If the image was already the correct format, it is returned as is. |
| /// Otherwise, a copy is created. |
| </span><span class="kw">pub fn </span>into_rgb8(<span class="self">self</span>) -> RgbImage { |
| <span class="kw">match </span><span class="self">self </span>{ |
| DynamicImage::ImageRgb8(x) => x, |
| x => x.to_rgb8(), |
| } |
| } |
| |
| <span class="doccomment">/// Consume the image and returns a RGB image. |
| /// |
| /// If the image was already the correct format, it is returned as is. |
| /// Otherwise, a copy is created. |
| </span><span class="kw">pub fn </span>into_rgb16(<span class="self">self</span>) -> Rgb16Image { |
| <span class="kw">match </span><span class="self">self </span>{ |
| DynamicImage::ImageRgb16(x) => x, |
| x => x.to_rgb16(), |
| } |
| } |
| |
| <span class="doccomment">/// Consume the image and returns a RGBA image. |
| /// |
| /// If the image was already the correct format, it is returned as is. |
| /// Otherwise, a copy is created. |
| </span><span class="attribute">#[deprecated = <span class="string">"replaced by `into_rgba8`"</span>] |
| </span><span class="kw">pub fn </span>into_rgba(<span class="self">self</span>) -> RgbaImage { |
| <span class="kw">match </span><span class="self">self </span>{ |
| DynamicImage::ImageRgba8(x) => x, |
| x => x.to_rgba8(), |
| } |
| } |
| |
| <span class="doccomment">/// Consume the image and returns a RGBA image. |
| /// |
| /// If the image was already the correct format, it is returned as is. |
| /// Otherwise, a copy is created. |
| </span><span class="kw">pub fn </span>into_rgba8(<span class="self">self</span>) -> RgbaImage { |
| <span class="kw">match </span><span class="self">self </span>{ |
| DynamicImage::ImageRgba8(x) => x, |
| x => x.to_rgba8(), |
| } |
| } |
| |
| <span class="doccomment">/// Consume the image and returns a RGBA image. |
| /// |
| /// If the image was already the correct format, it is returned as is. |
| /// Otherwise, a copy is created. |
| </span><span class="kw">pub fn </span>into_rgba16(<span class="self">self</span>) -> Rgba16Image { |
| <span class="kw">match </span><span class="self">self </span>{ |
| DynamicImage::ImageRgba16(x) => x, |
| x => x.to_rgba16(), |
| } |
| } |
| |
| <span class="doccomment">/// Consume the image and returns a BGR image. |
| /// |
| /// If the image was already the correct format, it is returned as is. |
| /// Otherwise, a copy is created. |
| </span><span class="attribute">#[deprecated = <span class="string">"replaced by `into_bgra8`"</span>] |
| </span><span class="kw">pub fn </span>into_bgr(<span class="self">self</span>) -> BgrImage { |
| <span class="kw">match </span><span class="self">self </span>{ |
| DynamicImage::ImageBgr8(x) => x, |
| x => x.to_bgr8(), |
| } |
| } |
| |
| <span class="doccomment">/// Consume the image and returns a BGR image. |
| /// |
| /// If the image was already the correct format, it is returned as is. |
| /// Otherwise, a copy is created. |
| </span><span class="kw">pub fn </span>into_bgr8(<span class="self">self</span>) -> BgrImage { |
| <span class="kw">match </span><span class="self">self </span>{ |
| DynamicImage::ImageBgr8(x) => x, |
| x => x.to_bgr8(), |
| } |
| } |
| |
| <span class="comment">// NOTE: DynamicImage::ImageBgr16 variant does not currently exist, so there is no `into_bgr16` |
| |
| </span><span class="doccomment">/// Consume the image and returns a BGRA image. |
| /// |
| /// If the image was already the correct format, it is returned as is. |
| /// Otherwise, a copy is created. |
| </span><span class="attribute">#[deprecated = <span class="string">"replaced by `into_bgra8`"</span>] |
| </span><span class="kw">pub fn </span>into_bgra(<span class="self">self</span>) -> BgraImage { |
| <span class="kw">match </span><span class="self">self </span>{ |
| DynamicImage::ImageBgra8(x) => x, |
| x => x.to_bgra8(), |
| } |
| } |
| |
| <span class="doccomment">/// Consume the image and returns a BGRA image. |
| /// |
| /// If the image was already the correct format, it is returned as is. |
| /// Otherwise, a copy is created. |
| </span><span class="kw">pub fn </span>into_bgra8(<span class="self">self</span>) -> BgraImage { |
| <span class="kw">match </span><span class="self">self </span>{ |
| DynamicImage::ImageBgra8(x) => x, |
| x => x.to_bgra8(), |
| } |
| } |
| |
| <span class="comment">// NOTE: DynamicImage::ImageBgra16 variant does not currently exist, so there is no `into_bgra16` |
| |
| </span><span class="doccomment">/// Consume the image and returns a Luma image. |
| /// |
| /// If the image was already the correct format, it is returned as is. |
| /// Otherwise, a copy is created. |
| </span><span class="attribute">#[deprecated = <span class="string">"replaced by `into_luma8`"</span>] |
| </span><span class="kw">pub fn </span>into_luma(<span class="self">self</span>) -> GrayImage { |
| <span class="kw">match </span><span class="self">self </span>{ |
| DynamicImage::ImageLuma8(x) => x, |
| x => x.to_luma8(), |
| } |
| } |
| |
| <span class="doccomment">/// Consume the image and returns a Luma image. |
| /// |
| /// If the image was already the correct format, it is returned as is. |
| /// Otherwise, a copy is created. |
| </span><span class="kw">pub fn </span>into_luma8(<span class="self">self</span>) -> GrayImage { |
| <span class="kw">match </span><span class="self">self </span>{ |
| DynamicImage::ImageLuma8(x) => x, |
| x => x.to_luma8(), |
| } |
| } |
| |
| <span class="doccomment">/// Consume the image and returns a Luma image. |
| /// |
| /// If the image was already the correct format, it is returned as is. |
| /// Otherwise, a copy is created. |
| </span><span class="kw">pub fn </span>into_luma16(<span class="self">self</span>) -> Gray16Image { |
| <span class="kw">match </span><span class="self">self </span>{ |
| DynamicImage::ImageLuma16(x) => x, |
| x => x.to_luma16(), |
| } |
| } |
| |
| <span class="doccomment">/// Consume the image and returns a LumaA image. |
| /// |
| /// If the image was already the correct format, it is returned as is. |
| /// Otherwise, a copy is created. |
| </span><span class="attribute">#[deprecated = <span class="string">"replaced by `into_luma_alpha8`"</span>] |
| </span><span class="kw">pub fn </span>into_luma_alpha(<span class="self">self</span>) -> GrayAlphaImage { |
| <span class="kw">match </span><span class="self">self </span>{ |
| DynamicImage::ImageLumaA8(x) => x, |
| x => x.to_luma_alpha8(), |
| } |
| } |
| |
| <span class="doccomment">/// Consume the image and returns a LumaA image. |
| /// |
| /// If the image was already the correct format, it is returned as is. |
| /// Otherwise, a copy is created. |
| </span><span class="kw">pub fn </span>into_luma_alpha8(<span class="self">self</span>) -> GrayAlphaImage { |
| <span class="kw">match </span><span class="self">self </span>{ |
| DynamicImage::ImageLumaA8(x) => x, |
| x => x.to_luma_alpha8(), |
| } |
| } |
| |
| <span class="doccomment">/// Consume the image and returns a LumaA image. |
| /// |
| /// If the image was already the correct format, it is returned as is. |
| /// Otherwise, a copy is created. |
| </span><span class="kw">pub fn </span>into_luma_alpha16(<span class="self">self</span>) -> GrayAlpha16Image { |
| <span class="kw">match </span><span class="self">self </span>{ |
| DynamicImage::ImageLumaA16(x) => x, |
| x => x.to_luma_alpha16(), |
| } |
| } |
| |
| <span class="doccomment">/// Return a cut-out of this image delimited by the bounding rectangle. |
| /// |
| /// Note: this method does *not* modify the object, |
| /// and its signature will be replaced with `crop_imm()`'s in the 0.24 release |
| </span><span class="kw">pub fn </span>crop(<span class="kw-2">&mut </span><span class="self">self</span>, x: u32, y: u32, width: u32, height: u32) -> DynamicImage { |
| <span class="macro">dynamic_map!</span>(<span class="kw-2">*</span><span class="self">self</span>, <span class="kw-2">ref mut </span>p => imageops::crop(p, x, y, width, height).to_image()) |
| } |
| |
| <span class="doccomment">/// Return a cut-out of this image delimited by the bounding rectangle. |
| </span><span class="kw">pub fn </span>crop_imm(<span class="kw-2">&</span><span class="self">self</span>, x: u32, y: u32, width: u32, height: u32) -> DynamicImage { |
| <span class="macro">dynamic_map!</span>(<span class="kw-2">*</span><span class="self">self</span>, <span class="kw-2">ref </span>p => imageops::crop_imm(p, x, y, width, height).to_image()) |
| } |
| |
| <span class="doccomment">/// Return a reference to an 8bit RGB image |
| </span><span class="kw">pub fn </span>as_rgb8(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><<span class="kw-2">&</span>RgbImage> { |
| <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ |
| DynamicImage::ImageRgb8(<span class="kw-2">ref </span>p) => <span class="prelude-val">Some</span>(p), |
| <span class="kw">_ </span>=> <span class="prelude-val">None</span>, |
| } |
| } |
| |
| <span class="doccomment">/// Return a mutable reference to an 8bit RGB image |
| </span><span class="kw">pub fn </span>as_mut_rgb8(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><<span class="kw-2">&mut </span>RgbImage> { |
| <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ |
| DynamicImage::ImageRgb8(<span class="kw-2">ref mut </span>p) => <span class="prelude-val">Some</span>(p), |
| <span class="kw">_ </span>=> <span class="prelude-val">None</span>, |
| } |
| } |
| |
| <span class="doccomment">/// Return a reference to an 8bit BGR image |
| </span><span class="kw">pub fn </span>as_bgr8(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><<span class="kw-2">&</span>BgrImage> { |
| <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ |
| DynamicImage::ImageBgr8(<span class="kw-2">ref </span>p) => <span class="prelude-val">Some</span>(p), |
| <span class="kw">_ </span>=> <span class="prelude-val">None</span>, |
| } |
| } |
| |
| <span class="doccomment">/// Return a mutable reference to an 8bit BGR image |
| </span><span class="kw">pub fn </span>as_mut_bgr8(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><<span class="kw-2">&mut </span>BgrImage> { |
| <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ |
| DynamicImage::ImageBgr8(<span class="kw-2">ref mut </span>p) => <span class="prelude-val">Some</span>(p), |
| <span class="kw">_ </span>=> <span class="prelude-val">None</span>, |
| } |
| } |
| |
| <span class="doccomment">/// Return a reference to an 8bit RGBA image |
| </span><span class="kw">pub fn </span>as_rgba8(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><<span class="kw-2">&</span>RgbaImage> { |
| <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ |
| DynamicImage::ImageRgba8(<span class="kw-2">ref </span>p) => <span class="prelude-val">Some</span>(p), |
| <span class="kw">_ </span>=> <span class="prelude-val">None</span>, |
| } |
| } |
| |
| <span class="doccomment">/// Return a mutable reference to an 8bit RGBA image |
| </span><span class="kw">pub fn </span>as_mut_rgba8(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><<span class="kw-2">&mut </span>RgbaImage> { |
| <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ |
| DynamicImage::ImageRgba8(<span class="kw-2">ref mut </span>p) => <span class="prelude-val">Some</span>(p), |
| <span class="kw">_ </span>=> <span class="prelude-val">None</span>, |
| } |
| } |
| |
| <span class="doccomment">/// Return a reference to an 8bit BGRA image |
| </span><span class="kw">pub fn </span>as_bgra8(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><<span class="kw-2">&</span>BgraImage> { |
| <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ |
| DynamicImage::ImageBgra8(<span class="kw-2">ref </span>p) => <span class="prelude-val">Some</span>(p), |
| <span class="kw">_ </span>=> <span class="prelude-val">None</span>, |
| } |
| } |
| |
| <span class="doccomment">/// Return a mutable reference to an 8bit RGBA image |
| </span><span class="kw">pub fn </span>as_mut_bgra8(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><<span class="kw-2">&mut </span>BgraImage> { |
| <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ |
| DynamicImage::ImageBgra8(<span class="kw-2">ref mut </span>p) => <span class="prelude-val">Some</span>(p), |
| <span class="kw">_ </span>=> <span class="prelude-val">None</span>, |
| } |
| } |
| |
| <span class="doccomment">/// Return a reference to an 8bit Grayscale image |
| </span><span class="kw">pub fn </span>as_luma8(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><<span class="kw-2">&</span>GrayImage> { |
| <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ |
| DynamicImage::ImageLuma8(<span class="kw-2">ref </span>p) => <span class="prelude-val">Some</span>(p), |
| <span class="kw">_ </span>=> <span class="prelude-val">None</span>, |
| } |
| } |
| |
| <span class="doccomment">/// Return a mutable reference to an 8bit Grayscale image |
| </span><span class="kw">pub fn </span>as_mut_luma8(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><<span class="kw-2">&mut </span>GrayImage> { |
| <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ |
| DynamicImage::ImageLuma8(<span class="kw-2">ref mut </span>p) => <span class="prelude-val">Some</span>(p), |
| <span class="kw">_ </span>=> <span class="prelude-val">None</span>, |
| } |
| } |
| |
| <span class="doccomment">/// Return a reference to an 8bit Grayscale image with an alpha channel |
| </span><span class="kw">pub fn </span>as_luma_alpha8(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><<span class="kw-2">&</span>GrayAlphaImage> { |
| <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ |
| DynamicImage::ImageLumaA8(<span class="kw-2">ref </span>p) => <span class="prelude-val">Some</span>(p), |
| <span class="kw">_ </span>=> <span class="prelude-val">None</span>, |
| } |
| } |
| |
| <span class="doccomment">/// Return a mutable reference to an 8bit Grayscale image with an alpha channel |
| </span><span class="kw">pub fn </span>as_mut_luma_alpha8(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><<span class="kw-2">&mut </span>GrayAlphaImage> { |
| <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ |
| DynamicImage::ImageLumaA8(<span class="kw-2">ref mut </span>p) => <span class="prelude-val">Some</span>(p), |
| <span class="kw">_ </span>=> <span class="prelude-val">None</span>, |
| } |
| } |
| |
| <span class="doccomment">/// Return a reference to an 16bit RGB image |
| </span><span class="kw">pub fn </span>as_rgb16(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><<span class="kw-2">&</span>Rgb16Image> { |
| <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ |
| DynamicImage::ImageRgb16(<span class="kw-2">ref </span>p) => <span class="prelude-val">Some</span>(p), |
| <span class="kw">_ </span>=> <span class="prelude-val">None</span>, |
| } |
| } |
| |
| <span class="doccomment">/// Return a mutable reference to an 16bit RGB image |
| </span><span class="kw">pub fn </span>as_mut_rgb16(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><<span class="kw-2">&mut </span>Rgb16Image> { |
| <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ |
| DynamicImage::ImageRgb16(<span class="kw-2">ref mut </span>p) => <span class="prelude-val">Some</span>(p), |
| <span class="kw">_ </span>=> <span class="prelude-val">None</span>, |
| } |
| } |
| |
| <span class="doccomment">/// Return a reference to an 16bit RGBA image |
| </span><span class="kw">pub fn </span>as_rgba16(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><<span class="kw-2">&</span>Rgba16Image> { |
| <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ |
| DynamicImage::ImageRgba16(<span class="kw-2">ref </span>p) => <span class="prelude-val">Some</span>(p), |
| <span class="kw">_ </span>=> <span class="prelude-val">None</span>, |
| } |
| } |
| |
| <span class="doccomment">/// Return a mutable reference to an 16bit RGBA image |
| </span><span class="kw">pub fn </span>as_mut_rgba16(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><<span class="kw-2">&mut </span>Rgba16Image> { |
| <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ |
| DynamicImage::ImageRgba16(<span class="kw-2">ref mut </span>p) => <span class="prelude-val">Some</span>(p), |
| <span class="kw">_ </span>=> <span class="prelude-val">None</span>, |
| } |
| } |
| |
| <span class="doccomment">/// Return a reference to an 16bit Grayscale image |
| </span><span class="kw">pub fn </span>as_luma16(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><<span class="kw-2">&</span>Gray16Image> { |
| <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ |
| DynamicImage::ImageLuma16(<span class="kw-2">ref </span>p) => <span class="prelude-val">Some</span>(p), |
| <span class="kw">_ </span>=> <span class="prelude-val">None</span>, |
| } |
| } |
| |
| <span class="doccomment">/// Return a mutable reference to an 16bit Grayscale image |
| </span><span class="kw">pub fn </span>as_mut_luma16(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><<span class="kw-2">&mut </span>Gray16Image> { |
| <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ |
| DynamicImage::ImageLuma16(<span class="kw-2">ref mut </span>p) => <span class="prelude-val">Some</span>(p), |
| <span class="kw">_ </span>=> <span class="prelude-val">None</span>, |
| } |
| } |
| |
| <span class="doccomment">/// Return a reference to an 16bit Grayscale image with an alpha channel |
| </span><span class="kw">pub fn </span>as_luma_alpha16(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><<span class="kw-2">&</span>GrayAlpha16Image> { |
| <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ |
| DynamicImage::ImageLumaA16(<span class="kw-2">ref </span>p) => <span class="prelude-val">Some</span>(p), |
| <span class="kw">_ </span>=> <span class="prelude-val">None</span>, |
| } |
| } |
| |
| <span class="doccomment">/// Return a mutable reference to an 16bit Grayscale image with an alpha channel |
| </span><span class="kw">pub fn </span>as_mut_luma_alpha16(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><<span class="kw-2">&mut </span>GrayAlpha16Image> { |
| <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ |
| DynamicImage::ImageLumaA16(<span class="kw-2">ref mut </span>p) => <span class="prelude-val">Some</span>(p), |
| <span class="kw">_ </span>=> <span class="prelude-val">None</span>, |
| } |
| } |
| |
| <span class="doccomment">/// Return a view on the raw sample buffer for 8 bit per channel images. |
| </span><span class="kw">pub fn </span>as_flat_samples_u8(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><FlatSamples<<span class="kw-2">&</span>[u8]>> { |
| <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ |
| DynamicImage::ImageLuma8(<span class="kw-2">ref </span>p) => <span class="prelude-val">Some</span>(p.as_flat_samples()), |
| DynamicImage::ImageLumaA8(<span class="kw-2">ref </span>p) => <span class="prelude-val">Some</span>(p.as_flat_samples()), |
| DynamicImage::ImageRgb8(<span class="kw-2">ref </span>p) => <span class="prelude-val">Some</span>(p.as_flat_samples()), |
| DynamicImage::ImageRgba8(<span class="kw-2">ref </span>p) => <span class="prelude-val">Some</span>(p.as_flat_samples()), |
| DynamicImage::ImageBgr8(<span class="kw-2">ref </span>p) => <span class="prelude-val">Some</span>(p.as_flat_samples()), |
| DynamicImage::ImageBgra8(<span class="kw-2">ref </span>p) => <span class="prelude-val">Some</span>(p.as_flat_samples()), |
| <span class="kw">_ </span>=> <span class="prelude-val">None</span>, |
| } |
| } |
| |
| <span class="doccomment">/// Return a view on the raw sample buffer for 16 bit per channel images. |
| </span><span class="kw">pub fn </span>as_flat_samples_u16(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><FlatSamples<<span class="kw-2">&</span>[u16]>> { |
| <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ |
| DynamicImage::ImageLuma16(<span class="kw-2">ref </span>p) => <span class="prelude-val">Some</span>(p.as_flat_samples()), |
| DynamicImage::ImageLumaA16(<span class="kw-2">ref </span>p) => <span class="prelude-val">Some</span>(p.as_flat_samples()), |
| DynamicImage::ImageRgb16(<span class="kw-2">ref </span>p) => <span class="prelude-val">Some</span>(p.as_flat_samples()), |
| DynamicImage::ImageRgba16(<span class="kw-2">ref </span>p) => <span class="prelude-val">Some</span>(p.as_flat_samples()), |
| <span class="kw">_ </span>=> <span class="prelude-val">None</span>, |
| } |
| } |
| |
| <span class="doccomment">/// Return this image's pixels as a native endian byte slice. |
| </span><span class="kw">pub fn </span>as_bytes(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>[u8] { |
| image_as_bytes(<span class="self">self</span>) |
| } |
| |
| <span class="doccomment">/// Return this image's pixels as a byte vector. If the `ImageBuffer` |
| /// container is `Vec<u8>`, this operation is free. Otherwise, a copy |
| /// is returned. |
| </span><span class="kw">pub fn </span>into_bytes(<span class="self">self</span>) -> Vec<u8> { |
| image_into_bytes(<span class="self">self</span>) |
| } |
| |
| <span class="doccomment">/// Return a copy of this image's pixels as a byte vector. |
| </span><span class="kw">pub fn </span>to_bytes(<span class="kw-2">&</span><span class="self">self</span>) -> Vec<u8> { |
| image_to_bytes(<span class="self">self</span>) |
| } |
| |
| <span class="doccomment">/// Return this image's color type. |
| </span><span class="kw">pub fn </span>color(<span class="kw-2">&</span><span class="self">self</span>) -> color::ColorType { |
| <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ |
| DynamicImage::ImageLuma8(<span class="kw">_</span>) => color::ColorType::L8, |
| DynamicImage::ImageLumaA8(<span class="kw">_</span>) => color::ColorType::La8, |
| DynamicImage::ImageRgb8(<span class="kw">_</span>) => color::ColorType::Rgb8, |
| DynamicImage::ImageRgba8(<span class="kw">_</span>) => color::ColorType::Rgba8, |
| DynamicImage::ImageBgra8(<span class="kw">_</span>) => color::ColorType::Bgra8, |
| DynamicImage::ImageBgr8(<span class="kw">_</span>) => color::ColorType::Bgr8, |
| DynamicImage::ImageLuma16(<span class="kw">_</span>) => color::ColorType::L16, |
| DynamicImage::ImageLumaA16(<span class="kw">_</span>) => color::ColorType::La16, |
| DynamicImage::ImageRgb16(<span class="kw">_</span>) => color::ColorType::Rgb16, |
| DynamicImage::ImageRgba16(<span class="kw">_</span>) => color::ColorType::Rgba16, |
| } |
| } |
| |
| <span class="doccomment">/// Return a grayscale version of this image. |
| </span><span class="kw">pub fn </span>grayscale(<span class="kw-2">&</span><span class="self">self</span>) -> DynamicImage { |
| <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ |
| DynamicImage::ImageLuma8(<span class="kw-2">ref </span>p) => DynamicImage::ImageLuma8(p.clone()), |
| DynamicImage::ImageLumaA8(<span class="kw-2">ref </span>p) => DynamicImage::ImageLuma8(imageops::grayscale(p)), |
| DynamicImage::ImageRgb8(<span class="kw-2">ref </span>p) => DynamicImage::ImageLuma8(imageops::grayscale(p)), |
| DynamicImage::ImageRgba8(<span class="kw-2">ref </span>p) => DynamicImage::ImageLuma8(imageops::grayscale(p)), |
| DynamicImage::ImageBgr8(<span class="kw-2">ref </span>p) => DynamicImage::ImageLuma8(imageops::grayscale(p)), |
| DynamicImage::ImageBgra8(<span class="kw-2">ref </span>p) => DynamicImage::ImageLuma8(imageops::grayscale(p)), |
| DynamicImage::ImageLuma16(<span class="kw-2">ref </span>p) => DynamicImage::ImageLuma16(p.clone()), |
| DynamicImage::ImageLumaA16(<span class="kw-2">ref </span>p) => DynamicImage::ImageLuma16(imageops::grayscale(p)), |
| DynamicImage::ImageRgb16(<span class="kw-2">ref </span>p) => DynamicImage::ImageLuma16(imageops::grayscale(p)), |
| DynamicImage::ImageRgba16(<span class="kw-2">ref </span>p) => DynamicImage::ImageLuma16(imageops::grayscale(p)), |
| } |
| } |
| |
| <span class="doccomment">/// Invert the colors of this image. |
| /// This method operates inplace. |
| </span><span class="kw">pub fn </span>invert(<span class="kw-2">&mut </span><span class="self">self</span>) { |
| <span class="macro">dynamic_map!</span>(<span class="kw-2">*</span><span class="self">self</span>, <span class="kw-2">ref mut </span>p -> imageops::invert(p)) |
| } |
| |
| <span class="doccomment">/// Resize this image using the specified filter algorithm. |
| /// Returns a new image. The image's aspect ratio is preserved. |
| /// The image is scaled to the maximum possible size that fits |
| /// within the bounds specified by ```nwidth``` and ```nheight```. |
| </span><span class="kw">pub fn </span>resize(<span class="kw-2">&</span><span class="self">self</span>, nwidth: u32, nheight: u32, filter: imageops::FilterType) -> DynamicImage { |
| <span class="kw">let </span>(width2, height2) = |
| resize_dimensions(<span class="self">self</span>.width(), <span class="self">self</span>.height(), nwidth, nheight, <span class="bool-val">false</span>); |
| |
| <span class="self">self</span>.resize_exact(width2, height2, filter) |
| } |
| |
| <span class="doccomment">/// Resize this image using the specified filter algorithm. |
| /// Returns a new image. Does not preserve aspect ratio. |
| /// ```nwidth``` and ```nheight``` are the new image's dimensions |
| </span><span class="kw">pub fn </span>resize_exact( |
| <span class="kw-2">&</span><span class="self">self</span>, |
| nwidth: u32, |
| nheight: u32, |
| filter: imageops::FilterType, |
| ) -> DynamicImage { |
| <span class="macro">dynamic_map!</span>(<span class="kw-2">*</span><span class="self">self</span>, <span class="kw-2">ref </span>p => imageops::resize(p, nwidth, nheight, filter)) |
| } |
| |
| <span class="doccomment">/// Scale this image down to fit within a specific size. |
| /// Returns a new image. The image's aspect ratio is preserved. |
| /// The image is scaled to the maximum possible size that fits |
| /// within the bounds specified by ```nwidth``` and ```nheight```. |
| /// |
| /// This method uses a fast integer algorithm where each source |
| /// pixel contributes to exactly one target pixel. |
| /// May give aliasing artifacts if new size is close to old size. |
| </span><span class="kw">pub fn </span>thumbnail(<span class="kw-2">&</span><span class="self">self</span>, nwidth: u32, nheight: u32) -> DynamicImage { |
| <span class="kw">let </span>(width2, height2) = |
| resize_dimensions(<span class="self">self</span>.width(), <span class="self">self</span>.height(), nwidth, nheight, <span class="bool-val">false</span>); |
| <span class="self">self</span>.thumbnail_exact(width2, height2) |
| } |
| |
| <span class="doccomment">/// Scale this image down to a specific size. |
| /// Returns a new image. Does not preserve aspect ratio. |
| /// ```nwidth``` and ```nheight``` are the new image's dimensions. |
| /// This method uses a fast integer algorithm where each source |
| /// pixel contributes to exactly one target pixel. |
| /// May give aliasing artifacts if new size is close to old size. |
| </span><span class="kw">pub fn </span>thumbnail_exact(<span class="kw-2">&</span><span class="self">self</span>, nwidth: u32, nheight: u32) -> DynamicImage { |
| <span class="macro">dynamic_map!</span>(<span class="kw-2">*</span><span class="self">self</span>, <span class="kw-2">ref </span>p => imageops::thumbnail(p, nwidth, nheight)) |
| } |
| |
| <span class="doccomment">/// Resize this image using the specified filter algorithm. |
| /// Returns a new image. The image's aspect ratio is preserved. |
| /// The image is scaled to the maximum possible size that fits |
| /// within the larger (relative to aspect ratio) of the bounds |
| /// specified by ```nwidth``` and ```nheight```, then cropped to |
| /// fit within the other bound. |
| </span><span class="kw">pub fn </span>resize_to_fill( |
| <span class="kw-2">&</span><span class="self">self</span>, |
| nwidth: u32, |
| nheight: u32, |
| filter: imageops::FilterType, |
| ) -> DynamicImage { |
| <span class="kw">let </span>(width2, height2) = |
| resize_dimensions(<span class="self">self</span>.width(), <span class="self">self</span>.height(), nwidth, nheight, <span class="bool-val">true</span>); |
| |
| <span class="kw">let </span><span class="kw-2">mut </span>intermediate = <span class="self">self</span>.resize_exact(width2, height2, filter); |
| <span class="kw">let </span>(iwidth, iheight) = intermediate.dimensions(); |
| <span class="kw">let </span>ratio = u64::from(iwidth) * u64::from(nheight); |
| <span class="kw">let </span>nratio = u64::from(nwidth) * u64::from(iheight); |
| |
| <span class="kw">if </span>nratio > ratio { |
| intermediate.crop(<span class="number">0</span>, (iheight - nheight) / <span class="number">2</span>, nwidth, nheight) |
| } <span class="kw">else </span>{ |
| intermediate.crop((iwidth - nwidth) / <span class="number">2</span>, <span class="number">0</span>, nwidth, nheight) |
| } |
| } |
| |
| <span class="doccomment">/// Performs a Gaussian blur on this image. |
| /// ```sigma``` is a measure of how much to blur by. |
| </span><span class="kw">pub fn </span>blur(<span class="kw-2">&</span><span class="self">self</span>, sigma: f32) -> DynamicImage { |
| <span class="macro">dynamic_map!</span>(<span class="kw-2">*</span><span class="self">self</span>, <span class="kw-2">ref </span>p => imageops::blur(p, sigma)) |
| } |
| |
| <span class="doccomment">/// Performs an unsharpen mask on this image. |
| /// ```sigma``` is the amount to blur the image by. |
| /// ```threshold``` is a control of how much to sharpen. |
| /// |
| /// See <https://en.wikipedia.org/wiki/Unsharp_masking#Digital_unsharp_masking> |
| </span><span class="kw">pub fn </span>unsharpen(<span class="kw-2">&</span><span class="self">self</span>, sigma: f32, threshold: i32) -> DynamicImage { |
| <span class="macro">dynamic_map!</span>(<span class="kw-2">*</span><span class="self">self</span>, <span class="kw-2">ref </span>p => imageops::unsharpen(p, sigma, threshold)) |
| } |
| |
| <span class="doccomment">/// Filters this image with the specified 3x3 kernel. |
| </span><span class="kw">pub fn </span>filter3x3(<span class="kw-2">&</span><span class="self">self</span>, kernel: <span class="kw-2">&</span>[f32]) -> DynamicImage { |
| <span class="kw">if </span>kernel.len() != <span class="number">9 </span>{ |
| <span class="macro">panic!</span>(<span class="string">"filter must be 3 x 3"</span>) |
| } |
| |
| <span class="macro">dynamic_map!</span>(<span class="kw-2">*</span><span class="self">self</span>, <span class="kw-2">ref </span>p => imageops::filter3x3(p, kernel)) |
| } |
| |
| <span class="doccomment">/// Adjust the contrast of this image. |
| /// ```contrast``` is the amount to adjust the contrast by. |
| /// Negative values decrease the contrast and positive values increase the contrast. |
| </span><span class="kw">pub fn </span>adjust_contrast(<span class="kw-2">&</span><span class="self">self</span>, c: f32) -> DynamicImage { |
| <span class="macro">dynamic_map!</span>(<span class="kw-2">*</span><span class="self">self</span>, <span class="kw-2">ref </span>p => imageops::contrast(p, c)) |
| } |
| |
| <span class="doccomment">/// Brighten the pixels of this image. |
| /// ```value``` is the amount to brighten each pixel by. |
| /// Negative values decrease the brightness and positive values increase it. |
| </span><span class="kw">pub fn </span>brighten(<span class="kw-2">&</span><span class="self">self</span>, value: i32) -> DynamicImage { |
| <span class="macro">dynamic_map!</span>(<span class="kw-2">*</span><span class="self">self</span>, <span class="kw-2">ref </span>p => imageops::brighten(p, value)) |
| } |
| |
| <span class="doccomment">/// Hue rotate the supplied image. |
| /// `value` is the degrees to rotate each pixel by. |
| /// 0 and 360 do nothing, the rest rotates by the given degree value. |
| /// just like the css webkit filter hue-rotate(180) |
| </span><span class="kw">pub fn </span>huerotate(<span class="kw-2">&</span><span class="self">self</span>, value: i32) -> DynamicImage { |
| <span class="macro">dynamic_map!</span>(<span class="kw-2">*</span><span class="self">self</span>, <span class="kw-2">ref </span>p => imageops::huerotate(p, value)) |
| } |
| |
| <span class="doccomment">/// Flip this image vertically |
| </span><span class="kw">pub fn </span>flipv(<span class="kw-2">&</span><span class="self">self</span>) -> DynamicImage { |
| <span class="macro">dynamic_map!</span>(<span class="kw-2">*</span><span class="self">self</span>, <span class="kw-2">ref </span>p => imageops::flip_vertical(p)) |
| } |
| |
| <span class="doccomment">/// Flip this image horizontally |
| </span><span class="kw">pub fn </span>fliph(<span class="kw-2">&</span><span class="self">self</span>) -> DynamicImage { |
| <span class="macro">dynamic_map!</span>(<span class="kw-2">*</span><span class="self">self</span>, <span class="kw-2">ref </span>p => imageops::flip_horizontal(p)) |
| } |
| |
| <span class="doccomment">/// Rotate this image 90 degrees clockwise. |
| </span><span class="kw">pub fn </span>rotate90(<span class="kw-2">&</span><span class="self">self</span>) -> DynamicImage { |
| <span class="macro">dynamic_map!</span>(<span class="kw-2">*</span><span class="self">self</span>, <span class="kw-2">ref </span>p => imageops::rotate90(p)) |
| } |
| |
| <span class="doccomment">/// Rotate this image 180 degrees clockwise. |
| </span><span class="kw">pub fn </span>rotate180(<span class="kw-2">&</span><span class="self">self</span>) -> DynamicImage { |
| <span class="macro">dynamic_map!</span>(<span class="kw-2">*</span><span class="self">self</span>, <span class="kw-2">ref </span>p => imageops::rotate180(p)) |
| } |
| |
| <span class="doccomment">/// Rotate this image 270 degrees clockwise. |
| </span><span class="kw">pub fn </span>rotate270(<span class="kw-2">&</span><span class="self">self</span>) -> DynamicImage { |
| <span class="macro">dynamic_map!</span>(<span class="kw-2">*</span><span class="self">self</span>, <span class="kw-2">ref </span>p => imageops::rotate270(p)) |
| } |
| |
| <span class="doccomment">/// Encode this image and write it to ```w``` |
| </span><span class="kw">pub fn </span>write_to<W: Write, F: Into<ImageOutputFormat>>( |
| <span class="kw-2">&</span><span class="self">self</span>, |
| w: <span class="kw-2">&mut </span>W, |
| format: F, |
| ) -> ImageResult<()> { |
| <span class="attribute">#[allow(unused_variables)] |
| </span><span class="comment">// When no features are supported |
| </span><span class="kw">let </span>w = w; |
| <span class="attribute">#[allow(unused_variables,unused_mut)] |
| </span><span class="kw">let </span><span class="kw-2">mut </span>bytes = <span class="self">self</span>.as_bytes(); |
| <span class="attribute">#[allow(unused_variables)] |
| </span><span class="kw">let </span>(width, height) = <span class="self">self</span>.dimensions(); |
| <span class="attribute">#[allow(unused_variables,unused_mut)] |
| </span><span class="kw">let </span><span class="kw-2">mut </span>color = <span class="self">self</span>.color(); |
| <span class="kw">let </span>format = format.into(); |
| |
| <span class="attribute">#[allow(deprecated)] |
| </span><span class="kw">match </span>format { |
| <span class="attribute">#[cfg(feature = <span class="string">"png"</span>)] |
| </span>image::ImageOutputFormat::Png => { |
| <span class="kw">let </span>p = png::PngEncoder::new(w); |
| <span class="kw">let </span>converted; |
| <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ |
| DynamicImage::ImageBgra8(<span class="kw">_</span>) => { |
| converted = <span class="self">self</span>.to_rgba().into_raw(); |
| bytes = <span class="kw-2">&</span>converted; |
| color = color::ColorType::Rgba8; |
| } |
| DynamicImage::ImageBgr8(<span class="kw">_</span>) => { |
| converted = <span class="self">self</span>.to_rgb().into_raw(); |
| bytes = <span class="kw-2">&</span>converted; |
| color = color::ColorType::Rgb8; |
| } |
| <span class="kw">_ </span>=> {} |
| } |
| p.encode(<span class="kw-2">&</span>bytes, width, height, color)<span class="question-mark">?</span>; |
| <span class="prelude-val">Ok</span>(()) |
| } |
| |
| <span class="attribute">#[cfg(feature = <span class="string">"pnm"</span>)] |
| </span>image::ImageOutputFormat::Pnm(subtype) => { |
| <span class="kw">let </span><span class="kw-2">mut </span>p = pnm::PnmEncoder::new(w).with_subtype(subtype); |
| <span class="kw">let </span>converted; |
| <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ |
| DynamicImage::ImageBgra8(<span class="kw">_</span>) => { |
| converted = <span class="self">self</span>.to_rgba().into_raw(); |
| bytes = <span class="kw-2">&</span>converted; |
| color = color::ColorType::Rgba8; |
| } |
| DynamicImage::ImageBgr8(<span class="kw">_</span>) => { |
| converted = <span class="self">self</span>.to_rgb().into_raw(); |
| bytes = <span class="kw-2">&</span>converted; |
| color = color::ColorType::Rgb8; |
| } |
| <span class="kw">_ </span>=> {} |
| } |
| p.encode(bytes, width, height, color)<span class="question-mark">?</span>; |
| <span class="prelude-val">Ok</span>(()) |
| } |
| |
| <span class="attribute">#[cfg(feature = <span class="string">"jpeg"</span>)] |
| </span>image::ImageOutputFormat::Jpeg(quality) => { |
| <span class="kw">let </span>j = jpeg::JpegEncoder::new_with_quality(w, quality); |
| j.write_image(bytes, width, height, color)<span class="question-mark">?</span>; |
| <span class="prelude-val">Ok</span>(()) |
| } |
| |
| <span class="attribute">#[cfg(feature = <span class="string">"gif"</span>)] |
| </span>image::ImageOutputFormat::Gif => { |
| <span class="kw">let </span><span class="kw-2">mut </span>g = gif::GifEncoder::new(w); |
| g.encode_frame(<span class="kw">crate</span>::animation::Frame::new(<span class="self">self</span>.to_rgba()))<span class="question-mark">?</span>; |
| <span class="prelude-val">Ok</span>(()) |
| } |
| |
| <span class="attribute">#[cfg(feature = <span class="string">"ico"</span>)] |
| </span>image::ImageOutputFormat::Ico => { |
| <span class="kw">let </span>i = ico::IcoEncoder::new(w); |
| i.encode(bytes, width, height, color)<span class="question-mark">?</span>; |
| <span class="prelude-val">Ok</span>(()) |
| } |
| |
| <span class="attribute">#[cfg(feature = <span class="string">"bmp"</span>)] |
| </span>image::ImageOutputFormat::Bmp => { |
| <span class="kw">let </span><span class="kw-2">mut </span>b = bmp::BmpEncoder::new(w); |
| b.encode(bytes, width, height, color)<span class="question-mark">?</span>; |
| <span class="prelude-val">Ok</span>(()) |
| } |
| |
| <span class="attribute">#[cfg(feature = <span class="string">"farbfeld"</span>)] |
| </span>image::ImageOutputFormat::Farbfeld => { |
| farbfeld::FarbfeldEncoder::new(w).write_image(bytes, width, height, color) |
| } |
| |
| <span class="attribute">#[cfg(feature = <span class="string">"tga"</span>)] |
| </span>image::ImageOutputFormat::Tga => { |
| tga::TgaEncoder::new(w).write_image(bytes, width, height, color) |
| } |
| |
| <span class="attribute">#[cfg(feature = <span class="string">"avif"</span>)] |
| </span>image::ImageOutputFormat::Avif => { |
| avif::AvifEncoder::new(w).write_image(bytes, width, height, color) |
| } |
| |
| image::ImageOutputFormat::Unsupported(msg) => { |
| <span class="prelude-val">Err</span>(ImageError::Unsupported(UnsupportedError::from_format_and_kind( |
| ImageFormatHint::Unknown, |
| UnsupportedErrorKind::Format(ImageFormatHint::Name(msg))))) |
| }, |
| |
| image::ImageOutputFormat::__NonExhaustive(marker) => <span class="kw">match </span>marker._private {}, |
| } |
| } |
| |
| <span class="doccomment">/// Saves the buffer to a file at the path specified. |
| /// |
| /// The image format is derived from the file extension. |
| </span><span class="kw">pub fn </span>save<Q>(<span class="kw-2">&</span><span class="self">self</span>, path: Q) -> ImageResult<()> |
| <span class="kw">where |
| </span>Q: AsRef<Path>, |
| { |
| <span class="macro">dynamic_map!</span>(<span class="kw-2">*</span><span class="self">self</span>, <span class="kw-2">ref </span>p -> { |
| p.save(path) |
| }) |
| } |
| |
| <span class="doccomment">/// Saves the buffer to a file at the specified path in |
| /// the specified format. |
| /// |
| /// See [`save_buffer_with_format`](fn.save_buffer_with_format.html) for |
| /// supported types. |
| </span><span class="kw">pub fn </span>save_with_format<Q>(<span class="kw-2">&</span><span class="self">self</span>, path: Q, format: ImageFormat) -> ImageResult<()> |
| <span class="kw">where |
| </span>Q: AsRef<Path>, |
| { |
| <span class="macro">dynamic_map!</span>(<span class="kw-2">*</span><span class="self">self</span>, <span class="kw-2">ref </span>p -> { |
| p.save_with_format(path, format) |
| }) |
| } |
| } |
| |
| <span class="attribute">#[allow(deprecated)] |
| </span><span class="kw">impl </span>GenericImageView <span class="kw">for </span>DynamicImage { |
| <span class="kw">type </span>Pixel = color::Rgba<u8>; |
| <span class="kw">type </span>InnerImageView = <span class="self">Self</span>; |
| |
| <span class="kw">fn </span>dimensions(<span class="kw-2">&</span><span class="self">self</span>) -> (u32, u32) { |
| <span class="macro">dynamic_map!</span>(<span class="kw-2">*</span><span class="self">self</span>, <span class="kw-2">ref </span>p -> p.dimensions()) |
| } |
| |
| <span class="kw">fn </span>bounds(<span class="kw-2">&</span><span class="self">self</span>) -> (u32, u32, u32, u32) { |
| <span class="macro">dynamic_map!</span>(<span class="kw-2">*</span><span class="self">self</span>, <span class="kw-2">ref </span>p -> p.bounds()) |
| } |
| |
| <span class="kw">fn </span>get_pixel(<span class="kw-2">&</span><span class="self">self</span>, x: u32, y: u32) -> color::Rgba<u8> { |
| <span class="macro">dynamic_map!</span>(<span class="kw-2">*</span><span class="self">self</span>, <span class="kw-2">ref </span>p -> p.get_pixel(x, y).to_rgba().into_color()) |
| } |
| |
| <span class="kw">fn </span>inner(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span><span class="self">Self</span>::InnerImageView { |
| <span class="self">self |
| </span>} |
| } |
| |
| <span class="attribute">#[allow(deprecated)] |
| </span><span class="kw">impl </span>GenericImage <span class="kw">for </span>DynamicImage { |
| <span class="kw">type </span>InnerImage = DynamicImage; |
| |
| <span class="kw">fn </span>put_pixel(<span class="kw-2">&mut </span><span class="self">self</span>, x: u32, y: u32, pixel: color::Rgba<u8>) { |
| <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ |
| DynamicImage::ImageLuma8(<span class="kw-2">ref mut </span>p) => p.put_pixel(x, y, pixel.to_luma()), |
| DynamicImage::ImageLumaA8(<span class="kw-2">ref mut </span>p) => p.put_pixel(x, y, pixel.to_luma_alpha()), |
| DynamicImage::ImageRgb8(<span class="kw-2">ref mut </span>p) => p.put_pixel(x, y, pixel.to_rgb()), |
| DynamicImage::ImageRgba8(<span class="kw-2">ref mut </span>p) => p.put_pixel(x, y, pixel), |
| DynamicImage::ImageBgr8(<span class="kw-2">ref mut </span>p) => p.put_pixel(x, y, pixel.to_bgr()), |
| DynamicImage::ImageBgra8(<span class="kw-2">ref mut </span>p) => p.put_pixel(x, y, pixel.to_bgra()), |
| DynamicImage::ImageLuma16(<span class="kw-2">ref mut </span>p) => p.put_pixel(x, y, pixel.to_luma().into_color()), |
| DynamicImage::ImageLumaA16(<span class="kw-2">ref mut </span>p) => p.put_pixel(x, y, pixel.to_luma_alpha().into_color()), |
| DynamicImage::ImageRgb16(<span class="kw-2">ref mut </span>p) => p.put_pixel(x, y, pixel.to_rgb().into_color()), |
| DynamicImage::ImageRgba16(<span class="kw-2">ref mut </span>p) => p.put_pixel(x, y, pixel.into_color()), |
| } |
| } |
| <span class="doccomment">/// DEPRECATED: Use iterator `pixels_mut` to blend the pixels directly. |
| </span><span class="kw">fn </span>blend_pixel(<span class="kw-2">&mut </span><span class="self">self</span>, x: u32, y: u32, pixel: color::Rgba<u8>) { |
| <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ |
| DynamicImage::ImageLuma8(<span class="kw-2">ref mut </span>p) => p.blend_pixel(x, y, pixel.to_luma()), |
| DynamicImage::ImageLumaA8(<span class="kw-2">ref mut </span>p) => p.blend_pixel(x, y, pixel.to_luma_alpha()), |
| DynamicImage::ImageRgb8(<span class="kw-2">ref mut </span>p) => p.blend_pixel(x, y, pixel.to_rgb()), |
| DynamicImage::ImageRgba8(<span class="kw-2">ref mut </span>p) => p.blend_pixel(x, y, pixel), |
| DynamicImage::ImageBgr8(<span class="kw-2">ref mut </span>p) => p.blend_pixel(x, y, pixel.to_bgr()), |
| DynamicImage::ImageBgra8(<span class="kw-2">ref mut </span>p) => p.blend_pixel(x, y, pixel.to_bgra()), |
| DynamicImage::ImageLuma16(<span class="kw-2">ref mut </span>p) => p.blend_pixel(x, y, pixel.to_luma().into_color()), |
| DynamicImage::ImageLumaA16(<span class="kw-2">ref mut </span>p) => p.blend_pixel(x, y, pixel.to_luma_alpha().into_color()), |
| DynamicImage::ImageRgb16(<span class="kw-2">ref mut </span>p) => p.blend_pixel(x, y, pixel.to_rgb().into_color()), |
| DynamicImage::ImageRgba16(<span class="kw-2">ref mut </span>p) => p.blend_pixel(x, y, pixel.into_color()), |
| } |
| } |
| |
| <span class="doccomment">/// DEPRECATED: Do not use is function: It is unimplemented! |
| </span><span class="kw">fn </span>get_pixel_mut(<span class="kw-2">&mut </span><span class="self">self</span>, <span class="kw">_</span>: u32, <span class="kw">_</span>: u32) -> <span class="kw-2">&mut </span>color::Rgba<u8> { |
| <span class="macro">unimplemented!</span>() |
| } |
| |
| <span class="kw">fn </span>inner_mut(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="kw-2">&mut </span><span class="self">Self</span>::InnerImage { |
| <span class="self">self |
| </span>} |
| } |
| |
| <span class="doccomment">/// Decodes an image and stores it into a dynamic image |
| </span><span class="kw">fn </span>decoder_to_image<<span class="lifetime">'a</span>, I: ImageDecoder<<span class="lifetime">'a</span>>>(decoder: I) -> ImageResult<DynamicImage> { |
| <span class="kw">let </span>(w, h) = decoder.dimensions(); |
| <span class="kw">let </span>color_type = decoder.color_type(); |
| |
| <span class="kw">let </span>image = <span class="kw">match </span>color_type { |
| color::ColorType::Rgb8 => { |
| <span class="kw">let </span>buf = image::decoder_to_vec(decoder)<span class="question-mark">?</span>; |
| ImageBuffer::from_raw(w, h, buf).map(DynamicImage::ImageRgb8) |
| } |
| |
| color::ColorType::Rgba8 => { |
| <span class="kw">let </span>buf = image::decoder_to_vec(decoder)<span class="question-mark">?</span>; |
| ImageBuffer::from_raw(w, h, buf).map(DynamicImage::ImageRgba8) |
| } |
| |
| color::ColorType::Bgr8 => { |
| <span class="kw">let </span>buf = image::decoder_to_vec(decoder)<span class="question-mark">?</span>; |
| ImageBuffer::from_raw(w, h, buf).map(DynamicImage::ImageBgr8) |
| } |
| |
| color::ColorType::Bgra8 => { |
| <span class="kw">let </span>buf = image::decoder_to_vec(decoder)<span class="question-mark">?</span>; |
| ImageBuffer::from_raw(w, h, buf).map(DynamicImage::ImageBgra8) |
| } |
| |
| color::ColorType::L8 => { |
| <span class="kw">let </span>buf = image::decoder_to_vec(decoder)<span class="question-mark">?</span>; |
| ImageBuffer::from_raw(w, h, buf).map(DynamicImage::ImageLuma8) |
| } |
| |
| color::ColorType::La8 => { |
| <span class="kw">let </span>buf = image::decoder_to_vec(decoder)<span class="question-mark">?</span>; |
| ImageBuffer::from_raw(w, h, buf).map(DynamicImage::ImageLumaA8) |
| } |
| |
| color::ColorType::Rgb16 => { |
| <span class="kw">let </span>buf = image::decoder_to_vec(decoder)<span class="question-mark">?</span>; |
| ImageBuffer::from_raw(w, h, buf).map(DynamicImage::ImageRgb16) |
| } |
| |
| color::ColorType::Rgba16 => { |
| <span class="kw">let </span>buf = image::decoder_to_vec(decoder)<span class="question-mark">?</span>; |
| ImageBuffer::from_raw(w, h, buf).map(DynamicImage::ImageRgba16) |
| } |
| |
| color::ColorType::L16 => { |
| <span class="kw">let </span>buf = image::decoder_to_vec(decoder)<span class="question-mark">?</span>; |
| ImageBuffer::from_raw(w, h, buf).map(DynamicImage::ImageLuma16) |
| } |
| color::ColorType::La16 => { |
| <span class="kw">let </span>buf = image::decoder_to_vec(decoder)<span class="question-mark">?</span>; |
| ImageBuffer::from_raw(w, h, buf).map(DynamicImage::ImageLumaA16) |
| } |
| <span class="kw">_ </span>=> <span class="kw">return </span><span class="prelude-val">Err</span>(ImageError::Unsupported(UnsupportedError::from_format_and_kind( |
| ImageFormatHint::Unknown, |
| UnsupportedErrorKind::Color(color_type.into()), |
| ))), |
| }; |
| <span class="kw">match </span>image { |
| <span class="prelude-val">Some</span>(image) => <span class="prelude-val">Ok</span>(image), |
| <span class="prelude-val">None </span>=> <span class="prelude-val">Err</span>(ImageError::Parameter( |
| ParameterError::from_kind(ParameterErrorKind::DimensionMismatch) |
| )) |
| } |
| } |
| |
| <span class="kw">fn </span>image_to_bytes(image: <span class="kw-2">&</span>DynamicImage) -> Vec<u8> { |
| <span class="kw">use </span><span class="kw">crate</span>::traits::EncodableLayout; |
| |
| <span class="kw">match </span><span class="kw-2">*</span>image { |
| <span class="comment">// TODO: consider transmuting |
| </span>DynamicImage::ImageLuma8(<span class="kw-2">ref </span>a) => a.as_raw().clone(), |
| DynamicImage::ImageLumaA8(<span class="kw-2">ref </span>a) => a.as_raw().clone(), |
| DynamicImage::ImageRgb8(<span class="kw-2">ref </span>a) => a.as_raw().clone(), |
| DynamicImage::ImageRgba8(<span class="kw-2">ref </span>a) => a.as_raw().clone(), |
| DynamicImage::ImageBgr8(<span class="kw-2">ref </span>a) => a.as_raw().clone(), |
| DynamicImage::ImageBgra8(<span class="kw-2">ref </span>a) => a.as_raw().clone(), |
| DynamicImage::ImageLuma16(<span class="kw-2">ref </span>a) => a.as_bytes().to_vec(), |
| DynamicImage::ImageLumaA16(<span class="kw-2">ref </span>a) => a.as_bytes().to_vec(), |
| DynamicImage::ImageRgb16(<span class="kw-2">ref </span>a) => a.as_bytes().to_vec(), |
| DynamicImage::ImageRgba16(<span class="kw-2">ref </span>a) => a.as_bytes().to_vec(), |
| } |
| } |
| |
| <span class="kw">fn </span>image_into_bytes(image: DynamicImage) -> Vec<u8> { |
| <span class="kw">match </span>image { |
| DynamicImage::ImageLuma8(a) => a.into_raw(), |
| DynamicImage::ImageLumaA8(a) => a.into_raw(), |
| DynamicImage::ImageRgb8(a) => a.into_raw(), |
| DynamicImage::ImageRgba8(a) => a.into_raw(), |
| DynamicImage::ImageBgr8(a) => a.into_raw(), |
| DynamicImage::ImageBgra8(a) => a.into_raw(), |
| DynamicImage::ImageLuma16(<span class="kw">_</span>) => image.to_bytes(), |
| DynamicImage::ImageLumaA16(<span class="kw">_</span>) => image.to_bytes(), |
| DynamicImage::ImageRgb16(<span class="kw">_</span>) => image.to_bytes(), |
| DynamicImage::ImageRgba16(<span class="kw">_</span>) => image.to_bytes(), |
| } |
| } |
| |
| <span class="kw">fn </span>image_as_bytes(image: <span class="kw-2">&</span>DynamicImage) -> <span class="kw-2">&</span>[u8] { |
| <span class="kw">use </span>bytemuck::cast_slice; |
| <span class="kw">match </span>image { |
| DynamicImage::ImageLuma8(a) => <span class="kw-2">&*</span>a, |
| DynamicImage::ImageLumaA8(a) => <span class="kw-2">&*</span>a, |
| DynamicImage::ImageRgb8(a) => <span class="kw-2">&*</span>a, |
| DynamicImage::ImageRgba8(a) => <span class="kw-2">&*</span>a, |
| DynamicImage::ImageBgr8(a) => <span class="kw-2">&*</span>a, |
| DynamicImage::ImageBgra8(a) => <span class="kw-2">&*</span>a, |
| DynamicImage::ImageLuma16(a) => cast_slice(<span class="kw-2">&*</span>a), |
| DynamicImage::ImageLumaA16(a) => cast_slice(<span class="kw-2">&*</span>a), |
| DynamicImage::ImageRgb16(a) => cast_slice(<span class="kw-2">&*</span>a), |
| DynamicImage::ImageRgba16(a) => cast_slice(<span class="kw-2">&*</span>a), |
| } |
| } |
| |
| <span class="doccomment">/// Open the image located at the path specified. |
| /// The image's format is determined from the path's file extension. |
| /// |
| /// Try [`io::Reader`] for more advanced uses, including guessing the format based on the file's |
| /// content before its path. |
| /// |
| /// [`io::Reader`]: io/struct.Reader.html |
| </span><span class="kw">pub fn </span>open<P>(path: P) -> ImageResult<DynamicImage> |
| <span class="kw">where |
| </span>P: AsRef<Path>, |
| { |
| <span class="comment">// thin wrapper function to strip generics before calling open_impl |
| </span>free_functions::open_impl(path.as_ref()) |
| } |
| |
| <span class="doccomment">/// Read the dimensions of the image located at the specified path. |
| /// This is faster than fully loading the image and then getting its dimensions. |
| /// |
| /// Try [`io::Reader`] for more advanced uses, including guessing the format based on the file's |
| /// content before its path or manually supplying the format. |
| /// |
| /// [`io::Reader`]: io/struct.Reader.html |
| </span><span class="kw">pub fn </span>image_dimensions<P>(path: P) -> ImageResult<(u32, u32)> |
| <span class="kw">where |
| </span>P: AsRef<Path>, |
| { |
| <span class="comment">// thin wrapper function to strip generics before calling open_impl |
| </span>free_functions::image_dimensions_impl(path.as_ref()) |
| } |
| |
| <span class="doccomment">/// Saves the supplied buffer to a file at the path specified. |
| /// |
| /// The image format is derived from the file extension. The buffer is assumed to have |
| /// the correct format according to the specified color type. |
| |
| /// This will lead to corrupted files if the buffer contains malformed data. Currently only |
| /// jpeg, png, ico, pnm, bmp and tiff files are supported. |
| </span><span class="kw">pub fn </span>save_buffer<P>( |
| path: P, |
| buf: <span class="kw-2">&</span>[u8], |
| width: u32, |
| height: u32, |
| color: color::ColorType, |
| ) -> ImageResult<()> |
| <span class="kw">where |
| </span>P: AsRef<Path>, |
| { |
| <span class="comment">// thin wrapper function to strip generics before calling save_buffer_impl |
| </span>free_functions::save_buffer_impl(path.as_ref(), buf, width, height, color) |
| } |
| |
| <span class="doccomment">/// Saves the supplied buffer to a file at the path specified |
| /// in the specified format. |
| /// |
| /// The buffer is assumed to have the correct format according |
| /// to the specified color type. |
| /// This will lead to corrupted files if the buffer contains |
| /// malformed data. Currently only jpeg, png, ico, bmp and |
| /// tiff files are supported. |
| </span><span class="kw">pub fn </span>save_buffer_with_format<P>( |
| path: P, |
| buf: <span class="kw-2">&</span>[u8], |
| width: u32, |
| height: u32, |
| color: color::ColorType, |
| format: ImageFormat, |
| ) -> ImageResult<()> |
| <span class="kw">where |
| </span>P: AsRef<Path>, |
| { |
| <span class="comment">// thin wrapper function to strip generics |
| </span>free_functions::save_buffer_with_format_impl(path.as_ref(), buf, width, height, color, format) |
| } |
| |
| <span class="doccomment">/// Create a new image from a byte slice |
| /// |
| /// Makes an educated guess about the image format. |
| /// TGA is not supported by this function. |
| /// |
| /// Try [`io::Reader`] for more advanced uses. |
| /// |
| /// [`io::Reader`]: io/struct.Reader.html |
| </span><span class="kw">pub fn </span>load_from_memory(buffer: <span class="kw-2">&</span>[u8]) -> ImageResult<DynamicImage> { |
| <span class="kw">let </span>format = free_functions::guess_format(buffer)<span class="question-mark">?</span>; |
| load_from_memory_with_format(buffer, format) |
| } |
| |
| <span class="doccomment">/// Create a new image from a byte slice |
| /// |
| /// This is just a simple wrapper that constructs an `std::io::Cursor` around the buffer and then |
| /// calls `load` with that reader. |
| /// |
| /// Try [`io::Reader`] for more advanced uses. |
| /// |
| /// [`load`]: fn.load.html |
| /// [`io::Reader`]: io/struct.Reader.html |
| </span><span class="attribute">#[inline(always)] |
| </span><span class="kw">pub fn </span>load_from_memory_with_format(buf: <span class="kw-2">&</span>[u8], format: ImageFormat) -> ImageResult<DynamicImage> { |
| <span class="kw">let </span>b = io::Cursor::new(buf); |
| free_functions::load(b, format) |
| } |
| |
| <span class="attribute">#[cfg(test)] |
| </span><span class="kw">mod </span>bench { |
| <span class="attribute">#[cfg(feature = <span class="string">"benchmarks"</span>)] |
| </span><span class="kw">use </span>test; |
| |
| <span class="attribute">#[bench] |
| #[cfg(feature = <span class="string">"benchmarks"</span>)] |
| </span><span class="kw">fn </span>bench_conversion(b: <span class="kw-2">&mut </span>test::Bencher) { |
| <span class="kw">let </span>a = <span class="kw">super</span>::DynamicImage::ImageRgb8(<span class="kw">crate</span>::ImageBuffer::new(<span class="number">1000</span>, <span class="number">1000</span>)); |
| b.iter(|| a.to_luma8()); |
| b.bytes = <span class="number">1000 </span>* <span class="number">1000 </span>* <span class="number">3 |
| </span>} |
| } |
| |
| <span class="attribute">#[cfg(test)] |
| </span><span class="kw">mod </span>test { |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_empty_file() { |
| <span class="macro">assert!</span>(<span class="kw">super</span>::load_from_memory(<span class="string">b""</span>).is_err()); |
| } |
| |
| <span class="attribute">#[cfg(feature = <span class="string">"jpeg"</span>)] |
| #[test] |
| </span><span class="kw">fn </span>image_dimensions() { |
| <span class="kw">let </span>im_path = <span class="string">"./tests/images/jpg/progressive/cat.jpg"</span>; |
| <span class="kw">let </span>dims = <span class="kw">super</span>::image_dimensions(im_path).unwrap(); |
| <span class="macro">assert_eq!</span>(dims, (<span class="number">320</span>, <span class="number">240</span>)); |
| } |
| |
| <span class="attribute">#[cfg(feature = <span class="string">"png"</span>)] |
| #[test] |
| </span><span class="kw">fn </span>open_16bpc_png() { |
| <span class="kw">let </span>im_path = <span class="string">"./tests/images/png/16bpc/basn6a16.png"</span>; |
| <span class="kw">let </span>image = <span class="kw">super</span>::open(im_path).unwrap(); |
| <span class="macro">assert_eq!</span>(image.color(), <span class="kw">super</span>::color::ColorType::Rgba16); |
| } |
| } |
| </code></pre></div> |
| </section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="image" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html> |
