1 /*
2 * Copyright 2006, The Android Open Source Project
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 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * 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 THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26 #include "config.h"
27 #include "Pattern.h"
28
29 #include "android_graphics.h"
30 #include "GraphicsContext.h"
31 #include "SkBitmapRef.h"
32 #include "SkCanvas.h"
33 #include "SkColorShader.h"
34 #include "SkShader.h"
35 #include "SkPaint.h"
36
37 namespace WebCore {
38
toTileMode(bool doRepeat)39 static SkShader::TileMode toTileMode(bool doRepeat) {
40 return doRepeat ? SkShader::kRepeat_TileMode : SkShader::kClamp_TileMode;
41 }
42
platformDestroy()43 void Pattern::platformDestroy()
44 {
45 SkSafeUnref(m_pattern);
46 m_pattern = 0;
47 }
48
platformPattern(const AffineTransform &)49 SkShader* Pattern::platformPattern(const AffineTransform&)
50 {
51 if (m_pattern)
52 return m_pattern;
53
54 SkBitmapRef* ref = tileImage()->nativeImageForCurrentFrame();
55 if (!ref)
56 return 0;
57 m_pattern = SkShader::CreateBitmapShader(ref->bitmap(),
58 toTileMode(m_repeatX),
59 toTileMode(m_repeatY));
60 m_pattern->setLocalMatrix(m_patternSpaceTransformation);
61 return m_pattern;
62 }
63
setPlatformPatternSpaceTransform()64 void Pattern::setPlatformPatternSpaceTransform()
65 {
66 if (m_pattern)
67 m_pattern->setLocalMatrix(m_patternSpaceTransformation);
68 }
69
70 } //namespace
71