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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #include "content/renderer/sad_plugin.h"
6 
7 #include <algorithm>
8 
9 #include "base/memory/scoped_ptr.h"
10 #include "skia/ext/platform_canvas.h"
11 #include "ui/gfx/blit.h"
12 #include "ui/gfx/rect.h"
13 
14 namespace content {
15 
PaintSadPlugin(blink::WebCanvas * webcanvas,const gfx::Rect & plugin_rect,const SkBitmap & sad_plugin_bitmap)16 void PaintSadPlugin(blink::WebCanvas* webcanvas,
17                     const gfx::Rect& plugin_rect,
18                     const SkBitmap& sad_plugin_bitmap) {
19   const int width = plugin_rect.width();
20   const int height = plugin_rect.height();
21 
22   SkCanvas* canvas = webcanvas;
23   SkAutoCanvasRestore auto_restore(canvas, true);
24   // We draw the sad-plugin bitmap at the origin of canvas.
25   // Add a translation so that it appears at the origin of plugin rect.
26   canvas->translate(plugin_rect.x(), plugin_rect.y());
27 
28   SkPaint paint;
29   paint.setStyle(SkPaint::kFill_Style);
30   paint.setColor(SK_ColorBLACK);
31   canvas->drawRectCoords(0, 0, SkIntToScalar(width), SkIntToScalar(height),
32                          paint);
33   canvas->drawBitmap(
34       sad_plugin_bitmap,
35       SkIntToScalar(std::max(0, (width - sad_plugin_bitmap.width()) / 2)),
36       SkIntToScalar(std::max(0, (height - sad_plugin_bitmap.height()) / 2)));
37 }
38 
39 }  // namespace content
40