blob: 839d6e3af85e52c53119b1ba70ad4be0eb64ee07 [file] [log] [blame]
//-------------------------------------
// CREATE OVERLAY FOR #LOVEAPACHE BADGE
//-------------------------------------
twImg1 = new Image();
twImg1.src = "img/loveapache-badge/loveapache-badge-container.png";
twibbonImg = [twImg1];
function loadImage() {
var input, file, fr, img, twibbon;
if (typeof window.FileReader === "undefined") {
write("The file API isn't supported on this browser yet.");
return;
}
input = document.getElementById("imgfile");
if (!input) {
write("Um, couldn't find the imgfile element.");
} else if (!input.files) {
write(
"This browser doesn't seem to support the `files` property of file inputs."
);
} else if (!input.files[0]) {
write("Please select a file before clicking 'Load'");
} else {
file = input.files[0];
fr = new FileReader();
fr.onload = createImage;
fr.readAsDataURL(file);
}
function createImage() {
img = new Image();
img.onload = imageLoaded;
img.src = fr.result;
}
function imageLoaded() {
var twibbons = ["twibbon_1"];
var twibbonXY = [[0, 0]];
var button = [];
imgWidth = img.width;
imgHeight = img.height;
aspectRatio = imgWidth / imgHeight;
newImgWidth = imgWidth < imgHeight ? 264 : 264 * aspectRatio;
newImgHeight = imgHeight < imgWidth ? 264 : 264 / aspectRatio;
dstX = newImgWidth > 264 ? ((newImgWidth - 264) / 2) * -1 : 0;
dstY = newImgHeight > 264 ? ((newImgHeight - 264) / 2) * -1 : 0;
// draw each of the operations
for (var n = 0; n < twibbons.length; n++) {
var canvas = document.getElementById("canvas_" + twibbons[n]);
canvas.width = 400;
canvas.height = 400;
var ctx = canvas.getContext("2d");
ctx.drawImage(
img,
0,
0,
img.width,
img.height,
68,
68,
newImgWidth,
newImgHeight
);
ctx.drawImage(
twibbonImg[n],
0,
0,
400,
400,
twibbonXY[n][0],
twibbonXY[n][1],
400,
400
);
var dataURL = canvas.toDataURL();
document.getElementById("img_" + twibbons[n]).src = dataURL;
}
}
function write(msg) {
var p = document.createElement("p");
p.innerHTML = msg;
document.body.appendChild(p);
}
}