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1 /* | |
2 * Copyright (c) 2006,2007,2008, 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 are | |
6 * met: | |
7 * | |
8 * * Redistributions of source code must retain the above copyright | |
9 * notice, this list of conditions and the following disclaimer. | |
10 * * Redistributions in binary form must reproduce the above | |
11 * copyright notice, this list of conditions and the following disclaimer | |
12 * in the documentation and/or other materials provided with the | |
13 * distribution. | |
14 * * Neither the name of Google Inc. nor the names of its | |
15 * contributors may be used to endorse or promote products derived from | |
16 * this software without specific prior written permission. | |
17 * | |
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
29 */ | |
30 | |
31 // All of the functions in this file should move to new homes and this file shou
ld be deleted. | |
32 | |
33 #ifndef SkiaUtils_h | |
34 #define SkiaUtils_h | |
35 | |
36 #include "SkMatrix.h" | |
37 #include "SkPath.h" | |
38 #include "SkXfermode.h" | |
39 #include "platform/geometry/FloatRect.h" | |
40 #include "platform/graphics/Color.h" | |
41 #include "platform/graphics/GraphicsTypes.h" | |
42 #include "platform/transforms/AffineTransform.h" | |
43 #include "wtf/MathExtras.h" | |
44 #include "wtf/PassRefPtr.h" | |
45 | |
46 class SkCanvas; | |
47 class SkRegion; | |
48 | |
49 namespace WebCore { | |
50 | |
51 class GraphicsContext; | |
52 | |
53 PassRefPtr<SkXfermode> WebCoreCompositeToSkiaComposite(CompositeOperator, blink:
:WebBlendMode = blink::WebBlendModeNormal); | |
54 | |
55 // move this guy into SkColor.h | |
56 SkColor SkPMColorToColor(SkPMColor); | |
57 | |
58 // This should be an operator on Color | |
59 Color SkPMColorToWebCoreColor(SkPMColor); | |
60 | |
61 // Skia has problems when passed infinite, etc floats, filter them to 0. | |
62 inline SkScalar WebCoreFloatToSkScalar(float f) | |
63 { | |
64 return SkFloatToScalar(std::isfinite(f) ? f : 0); | |
65 } | |
66 | |
67 inline SkScalar WebCoreDoubleToSkScalar(double d) | |
68 { | |
69 return SkDoubleToScalar(std::isfinite(d) ? d : 0); | |
70 } | |
71 | |
72 inline SkRect WebCoreFloatRectToSKRect(const FloatRect& rect) | |
73 { | |
74 return SkRect::MakeLTRB(SkFloatToScalar(rect.x()), SkFloatToScalar(rect.y())
, | |
75 SkFloatToScalar(rect.maxX()), SkFloatToScalar(rect.maxY())); | |
76 } | |
77 | |
78 // Computes the smallest rectangle that, which when drawn to the given canvas, | |
79 // will cover the same area as the source rectangle. It will clip to the canvas' | |
80 // clip, doing the necessary coordinate transforms. | |
81 // | |
82 // srcRect and destRect can be the same. | |
83 void ClipRectToCanvas(const GraphicsContext*, const SkRect& srcRect, SkRect* des
tRect); | |
84 | |
85 // Determine if a given WebKit point is contained in a path | |
86 bool SkPathContainsPoint(const SkPath&, const FloatPoint&, SkPath::FillType); | |
87 | |
88 SkMatrix affineTransformToSkMatrix(const AffineTransform&); | |
89 | |
90 } // namespace WebCore | |
91 | |
92 #endif // SkiaUtils_h | |
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