| /**************************************************************************** |
| * graphics/nxbe/nxbe_setpixel.c |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. The |
| * ASF licenses this file to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance with the |
| * License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| * License for the specific language governing permissions and limitations |
| * under the License. |
| * |
| ****************************************************************************/ |
| |
| /**************************************************************************** |
| * Included Files |
| ****************************************************************************/ |
| |
| #include <nuttx/config.h> |
| |
| #include <assert.h> |
| |
| #include <nuttx/nx/nxglib.h> |
| #include <nuttx/nx/nx.h> |
| |
| #include "nxbe.h" |
| |
| /**************************************************************************** |
| * Private Types |
| ****************************************************************************/ |
| |
| struct nxbe_setpixel_s |
| { |
| struct nxbe_clipops_s cops; |
| nxgl_mxpixel_t color; |
| }; |
| |
| /**************************************************************************** |
| * Private Functions |
| ****************************************************************************/ |
| |
| /**************************************************************************** |
| * Name: nxbe_clipfill |
| * |
| * Description: |
| * Called from nxbe_clipper() to performed the fill operation on visible |
| * portions of the rectangle. |
| * |
| ****************************************************************************/ |
| |
| static void nxbe_clipfill(FAR struct nxbe_clipops_s *cops, |
| FAR struct nxbe_plane_s *plane, |
| FAR const struct nxgl_rect_s *rect) |
| { |
| struct nxbe_setpixel_s *fillinfo = (struct nxbe_setpixel_s *)cops; |
| |
| /* Set the pixel in the graphics device. */ |
| |
| plane->dev.setpixel(&plane->pinfo, &rect->pt1, fillinfo->color); |
| |
| #ifdef CONFIG_NX_UPDATE |
| /* Notify external logic that the display has been updated */ |
| |
| nxbe_notify_rectangle(plane->driver, rect); |
| #endif |
| } |
| |
| /**************************************************************************** |
| * Name: nxbe_setpixel |
| * |
| * Description: |
| * Fill the specified rectangle in the window with the specified color |
| * |
| * Input Parameters: |
| * wnd - The window structure reference |
| * rect - The location to be filled |
| * col - The color to use in the fill |
| * |
| * Returned Value: |
| * None |
| * |
| ****************************************************************************/ |
| |
| static void nxbe_setpixel_dev(FAR struct nxbe_window_s *wnd, |
| FAR const struct nxgl_point_s *pos, |
| nxgl_mxpixel_t color[CONFIG_NX_NPLANES]) |
| { |
| struct nxbe_setpixel_s info; |
| struct nxgl_rect_s rect; |
| int i; |
| |
| /* Offset the position by the window origin */ |
| |
| nxgl_vectoradd(&rect.pt1, pos, &wnd->bounds.pt1); |
| |
| /* Make sure that the point is within the limits of the window |
| * and of the background screen. |
| */ |
| |
| if (!nxgl_rectinside(&wnd->bounds, &rect.pt1) || |
| !nxgl_rectinside(&wnd->be->bkgd.bounds, &rect.pt1)) |
| { |
| return; |
| } |
| |
| /* Then create a bounding box and render the point if there it |
| * is exposed. |
| */ |
| |
| rect.pt2.x = rect.pt1.x; |
| rect.pt2.y = rect.pt1.y; |
| |
| #if CONFIG_NX_NPLANES > 1 |
| for (i = 0; i < wnd->be->vinfo.nplanes; i++) |
| #else |
| i = 0; |
| #endif |
| { |
| info.cops.visible = nxbe_clipfill; |
| info.cops.obscured = nxbe_clipnull; |
| info.color = color[i]; |
| |
| /* Draw the point (if it is visible) */ |
| |
| nxbe_clipper(wnd->above, &rect, NX_CLIPORDER_DEFAULT, |
| &info.cops, &wnd->be->plane[i]); |
| |
| #ifdef CONFIG_NX_SWCURSOR |
| /* Update cursor backup memory and redraw the cursor in the modified |
| * window region. |
| * |
| * REVISIT: This and the following logic belongs in the function |
| * nxbe_clipfill(). It is here only because the struct |
| * nxbe_state_s (wnd->be) is not available at that point. |
| */ |
| |
| nxbe_cursor_backupdraw_dev(wnd->be, &rect, i); |
| #endif |
| } |
| } |
| |
| /**************************************************************************** |
| * Public Functions |
| ****************************************************************************/ |
| |
| /**************************************************************************** |
| * Name: nxbe_setpixel |
| * |
| * Description: |
| * Fill the specified rectangle in the window with the specified color |
| * |
| * Input Parameters: |
| * wnd - The window structure reference |
| * rect - The location to be filled |
| * col - The color to use in the fill |
| * |
| * Returned Value: |
| * None |
| * |
| ****************************************************************************/ |
| |
| void nxbe_setpixel(FAR struct nxbe_window_s *wnd, |
| FAR const struct nxgl_point_s *pos, |
| nxgl_mxpixel_t color[CONFIG_NX_NPLANES]) |
| { |
| DEBUGASSERT(wnd != NULL && pos != NULL); |
| |
| #ifdef CONFIG_NX_RAMBACKED |
| /* If this window supports a pre-window frame buffer then shadow the full, |
| * unclipped bitmap in that framebuffer. |
| * REVISIT: The logic to set a pixel in the per-window frame buffer is |
| * missing |
| */ |
| |
| DEBUGASSERT(!NXBE_ISRAMBACKED(wnd)); |
| #endif |
| |
| /* Don't update hidden windows */ |
| |
| if (!NXBE_ISHIDDEN(wnd)) |
| { |
| nxbe_setpixel_dev(wnd, pos, color); |
| |
| #ifdef CONFIG_NX_SWCURSOR |
| /* Was the software cursor visible? |
| * REVISIT: Missing logic for the case where the update clobbers a |
| * single pixel in the cursor image |
| */ |
| |
| DEBUGASSERT(!wnd->be->cursor.visible); |
| #endif |
| } |
| } |