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| 1 /* | |
| 2 * Copyright (C) 2006, 2007, 2008 Apple 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 COMPUTER, INC. ``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 APPLE COMPUTER, INC. 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 "Image.h" | |
| 28 | |
| 29 #include "BitmapImage.h" | |
| 30 #include "BitmapInfo.h" | |
| 31 #include "GraphicsContextCG.h" | |
| 32 #include <ApplicationServices/ApplicationServices.h> | |
| 33 #include <windows.h> | |
| 34 #include <wtf/RetainPtr.h> | |
| 35 #include <wtf/text/WTFString.h> | |
| 36 | |
| 37 namespace WebCore { | |
| 38 | |
| 39 PassRefPtr<BitmapImage> BitmapImage::create(HBITMAP hBitmap) | |
| 40 { | |
| 41 DIBSECTION dibSection; | |
| 42 if (!GetObject(hBitmap, sizeof(DIBSECTION), &dibSection)) | |
| 43 return 0; | |
| 44 | |
| 45 ASSERT(dibSection.dsBm.bmBitsPixel == 32); | |
| 46 if (dibSection.dsBm.bmBitsPixel != 32) | |
| 47 return 0; | |
| 48 | |
| 49 ASSERT(dibSection.dsBm.bmBits); | |
| 50 if (!dibSection.dsBm.bmBits) | |
| 51 return 0; | |
| 52 | |
| 53 RetainPtr<CGContextRef> bitmapContext(AdoptCF, CGBitmapContextCreate(dibSect
ion.dsBm.bmBits, dibSection.dsBm.bmWidth, dibSection.dsBm.bmHeight, 8, | |
| 54 dibSection.dsBm.bmWidthBytes, deviceRGBColorSpaceRef(), kCGBitmapByteOrd
er32Little | kCGImageAlphaPremultipliedFirst)); | |
| 55 | |
| 56 // The BitmapImage takes ownership of this. | |
| 57 CGImageRef cgImage = CGBitmapContextCreateImage(bitmapContext.get()); | |
| 58 | |
| 59 return adoptRef(new BitmapImage(cgImage)); | |
| 60 } | |
| 61 | |
| 62 bool BitmapImage::getHBITMAPOfSize(HBITMAP bmp, LPSIZE size) | |
| 63 { | |
| 64 ASSERT(bmp); | |
| 65 | |
| 66 BITMAP bmpInfo; | |
| 67 GetObject(bmp, sizeof(BITMAP), &bmpInfo); | |
| 68 | |
| 69 ASSERT(bmpInfo.bmBitsPixel == 32); | |
| 70 int bufferSize = bmpInfo.bmWidthBytes * bmpInfo.bmHeight; | |
| 71 | |
| 72 CGContextRef cgContext = CGBitmapContextCreate(bmpInfo.bmBits, bmpInfo.bmWid
th, bmpInfo.bmHeight, | |
| 73 8, bmpInfo.bmWidthBytes, deviceRGBColorSpaceRef(), kCGBitmapByteOrder32L
ittle | kCGImageAlphaPremultipliedFirst); | |
| 74 | |
| 75 GraphicsContext gc(cgContext); | |
| 76 | |
| 77 IntSize imageSize = BitmapImage::size(); | |
| 78 if (size) | |
| 79 drawFrameMatchingSourceSize(&gc, FloatRect(0.0f, 0.0f, bmpInfo.bmWidth,
bmpInfo.bmHeight), IntSize(*size), ColorSpaceDeviceRGB, CompositeCopy); | |
| 80 else | |
| 81 draw(&gc, FloatRect(0.0f, 0.0f, bmpInfo.bmWidth, bmpInfo.bmHeight), Floa
tRect(0.0f, 0.0f, imageSize.width(), imageSize.height()), ColorSpaceDeviceRGB, C
ompositeCopy, BlendModeNormal); | |
| 82 | |
| 83 // Do cleanup | |
| 84 CGContextRelease(cgContext); | |
| 85 | |
| 86 return true; | |
| 87 } | |
| 88 | |
| 89 void BitmapImage::drawFrameMatchingSourceSize(GraphicsContext* ctxt, const Float
Rect& dstRect, const IntSize& srcSize, ColorSpace styleColorSpace, CompositeOper
ator compositeOp) | |
| 90 { | |
| 91 size_t frames = frameCount(); | |
| 92 for (size_t i = 0; i < frames; ++i) { | |
| 93 CGImageRef image = frameAtIndex(i); | |
| 94 if (image && CGImageGetHeight(image) == static_cast<size_t>(srcSize.heig
ht()) && CGImageGetWidth(image) == static_cast<size_t>(srcSize.width())) { | |
| 95 size_t currentFrame = m_currentFrame; | |
| 96 m_currentFrame = i; | |
| 97 draw(ctxt, dstRect, FloatRect(0.0f, 0.0f, srcSize.width(), srcSize.h
eight()), styleColorSpace, compositeOp, BlendModeNormal); | |
| 98 m_currentFrame = currentFrame; | |
| 99 return; | |
| 100 } | |
| 101 } | |
| 102 | |
| 103 // No image of the correct size was found, fallback to drawing the current f
rame | |
| 104 IntSize imageSize = BitmapImage::size(); | |
| 105 draw(ctxt, dstRect, FloatRect(0.0f, 0.0f, imageSize.width(), imageSize.heigh
t()), styleColorSpace, compositeOp, BlendModeNormal); | |
| 106 } | |
| 107 | |
| 108 } // namespace WebCore | |
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Chromium Code Reviews
Issue 13642009:
WebCore: Remove PLATFORM(WIN) files we do not use. (Closed)
Base URL: svn://svn.chromium.org/blink/trunk