sky/engine/platform/graphics/OpaqueRectTrackingContentLayerDelegate.cpp - Issue 870393002: Remove GraphicsContext annotations.

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Issue 870393002: Remove GraphicsContext annotations. (Closed) Base URL: git@github.com:domokit/mojo.git@master

Patch Set: Created 5 years, 11 months ago

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1 /*

2 * Copyright (C) 2012 Google Inc. All rights reserved.

3 *

4 * Redistribution and use in source and binary forms, with or without

5 * modification, are permitted provided that the following conditions

6 * are met:

7 * 1. Redistributions of source code must retain the above copyright

8 * notice, this list of conditions and the following disclaimer.

9 * 2. Redistributions in binary form must reproduce the above copyright

10 * notice, this list of conditions and the following disclaimer in the

11 * documentation and/or other materials provided with the distribution.

12 *

13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND AN Y

14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR AN Y

17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;

19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND O N

20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS

22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

23 */

24

25 #include "sky/engine/config.h"

26

27 #include "sky/engine/platform/graphics/OpaqueRectTrackingContentLayerDelegate.h"

28

29 #include "base/debug/trace_event.h"

30 #include "sky/engine/platform/EventTracer.h"

31 #include "sky/engine/platform/geometry/IntRect.h"

32 #include "sky/engine/platform/graphics/GraphicsContext.h"

33 #include "sky/engine/platform/transforms/AffineTransform.h"

34 #include "sky/engine/public/platform/WebFloatRect.h"

35 #include "sky/engine/public/platform/WebRect.h"

36

37 namespace blink {

38

39 OpaqueRectTrackingContentLayerDelegate::OpaqueRectTrackingContentLayerDelegate(G raphicsContextPainter* painter)

40 : m_painter(painter)

41 , m_opaque(false)

42 {

43 }

44

45 OpaqueRectTrackingContentLayerDelegate::~OpaqueRectTrackingContentLayerDelegate( )

46 {

47 }

48

49 void OpaqueRectTrackingContentLayerDelegate::paintContents(

50 SkCanvas* canvas, const WebRect& clip, bool canPaintLCDText, WebFloatRect& o paque,

51 WebContentLayerClient::GraphicsContextStatus contextStatus)

52 {

53 static const unsigned char* annotationsEnabled = 0;

54 if (UNLIKELY(!annotationsEnabled))

55 annotationsEnabled = EventTracer::getTraceCategoryEnabledFlag(TRACE_DISA BLED_BY_DEFAULT("blink.graphics_context_annotations"));

56

57 GraphicsContext context(canvas,

58 contextStatus == WebContentLayerClient::GraphicsContextEnabled ? Graphic sContext::NothingDisabled : GraphicsContext::FullyDisabled);

59 context.setRegionTrackingMode(m_opaque ? GraphicsContext::RegionTrackingDisa bled : GraphicsContext::RegionTrackingOpaque);

60 context.setCertainlyOpaque(m_opaque);

61 context.setShouldSmoothFonts(canPaintLCDText);

62

63 if (*annotationsEnabled)

64 context.setAnnotationMode(AnnotateAll);

65

66 // Record transform prior to painting, as all opaque tracking will be

67 // relative to this current value.

68 AffineTransform canvasToContentTransform = context.getCTM().inverse();

69

70 m_painter->paint(context, clip);

71

72 // Transform tracked opaque paints back to our layer's content space.

73 ASSERT(canvasToContentTransform.isInvertible());

74 ASSERT(canvasToContentTransform.preservesAxisAlignment());

75 opaque = canvasToContentTransform.mapRect(context.opaqueRegion().asRect());

76 }

77

78 } // namespace blink

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