content/renderer/browser_plugin/browser_plugin_backing_store.cc - Issue 251593004: Remove SW rendering path code from BrowserPlugin.

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Issue 251593004: Remove SW rendering path code from BrowserPlugin. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: rebase after test file change commit Created 6 years, 7 months ago

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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/browser_plugin/browser_plugin_backing_store.h"

6

7 #include "ui/gfx/canvas.h"

8 #include "ui/gfx/rect.h"

9 #include "ui/gfx/rect_conversions.h"

10 #include "ui/gfx/size_conversions.h"

11 #include "ui/gfx/vector2d_conversions.h"

12 #include "ui/surface/transport_dib.h"

13

14 namespace content {

15

16 // Max height and width for layers

17 static const int kMaxSize = 23170;

18

19 BrowserPluginBackingStore::BrowserPluginBackingStore(

20 const gfx::Size& size,

21 float scale_factor)

22 : size_(size),

23 scale_factor_(scale_factor) {

24 gfx::Size pixel_size = gfx::ToFlooredSize(gfx::ScaleSize(size, scale_factor));

25 bitmap_.setConfig(SkBitmap::kARGB_8888_Config,

26 pixel_size.width(), pixel_size.height());

27 bitmap_.allocPixels();

28 canvas_.reset(new SkCanvas(bitmap_));

29 }

30

31 BrowserPluginBackingStore::~BrowserPluginBackingStore() {

32 }

33

34 void BrowserPluginBackingStore::PaintToBackingStore(

35 const gfx::Rect& bitmap_rect,

36 const std::vector<gfx::Rect>& copy_rects,

37 void* bitmap) {

38 if (bitmap_rect.IsEmpty())

39 return;

40

41 gfx::Rect pixel_bitmap_rect = gfx::ToFlooredRectDeprecated(

42 gfx::ScaleRect(bitmap_rect, scale_factor_));

43

44 const int width = pixel_bitmap_rect.width();

45 const int height = pixel_bitmap_rect.height();

46

47 if (width <= 0 \|\| width > kMaxSize \|\|

48 height <= 0 \|\| height > kMaxSize)

49 return;

50

51 if (!bitmap)

52 return;

53

54 SkPaint copy_paint;

55 copy_paint.setXfermodeMode(SkXfermode::kSrc_Mode);

56

57 SkBitmap sk_bitmap;

58 sk_bitmap.setConfig(SkBitmap::kARGB_8888_Config, width, height);

59 sk_bitmap.setPixels(bitmap);

60 for (size_t i = 0; i < copy_rects.size(); i++) {

61 const gfx::Rect& pixel_copy_rect = gfx::ToEnclosingRect(

62 gfx::ScaleRect(copy_rects[i], scale_factor_));

63 int x = pixel_copy_rect.x() - pixel_bitmap_rect.x();

64 int y = pixel_copy_rect.y() - pixel_bitmap_rect.y();

65 SkIRect srcrect = SkIRect::MakeXYWH(x, y,

66 pixel_copy_rect.width(),

67 pixel_copy_rect.height());

68

69 SkRect dstrect = SkRect::MakeXYWH(

70 SkIntToScalar(pixel_copy_rect.x()),

71 SkIntToScalar(pixel_copy_rect.y()),

72 SkIntToScalar(pixel_copy_rect.width()),

73 SkIntToScalar(pixel_copy_rect.height()));

74 canvas_.get()->drawBitmapRect(sk_bitmap, &srcrect, dstrect, &copy_paint);

75 }

76 }

77

78 void BrowserPluginBackingStore::ScrollBackingStore(

79 const gfx::Vector2d& delta,

80 const gfx::Rect& clip_rect,

81 const gfx::Size& view_size) {

82 gfx::Rect pixel_rect = gfx::ToEnclosingRect(

83 gfx::ScaleRect(clip_rect, scale_factor_));

84 gfx::Vector2d pixel_delta = gfx::ToFlooredVector2d(

85 gfx::ScaleVector2d(delta, scale_factor_));

86

87 int x = std::min(pixel_rect.x(), pixel_rect.x() - pixel_delta.x());

88 int y = std::min(pixel_rect.y(), pixel_rect.y() - pixel_delta.y());

89 int w = pixel_rect.width() + abs(pixel_delta.x());

90 int h = pixel_rect.height() + abs(pixel_delta.y());

91 SkIRect rect = SkIRect::MakeXYWH(x, y, w, h);

92 bitmap_.scrollRect(&rect, pixel_delta.x(), pixel_delta.y());

93 }

94

95 void BrowserPluginBackingStore::Clear(SkColor clear_color) {

96 canvas_->clear(clear_color);

97 }

98

99 } // namespace content

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