| OLD | NEW |
|---|
| (Empty) |
| 1 /* | |
| 2 * Copyright (C) 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 #include "BitmapImage.h" | |
| 29 #include "GraphicsContext.h" | |
| 30 #include <cairo.h> | |
| 31 #include <cairo-win32.h> | |
| 32 | |
| 33 #include <windows.h> | |
| 34 #include <wtf/text/WTFString.h> | |
| 35 | |
| 36 namespace WebCore { | |
| 37 | |
| 38 PassRefPtr<BitmapImage> BitmapImage::create(HBITMAP hBitmap) | |
| 39 { | |
| 40 DIBSECTION dibSection; | |
| 41 if (!GetObject(hBitmap, sizeof(DIBSECTION), &dibSection)) | |
| 42 return 0; | |
| 43 | |
| 44 ASSERT(dibSection.dsBm.bmBitsPixel == 32); | |
| 45 if (dibSection.dsBm.bmBitsPixel != 32) | |
| 46 return 0; | |
| 47 | |
| 48 ASSERT(dibSection.dsBm.bmBits); | |
| 49 if (!dibSection.dsBm.bmBits) | |
| 50 return 0; | |
| 51 | |
| 52 cairo_surface_t* surface = cairo_win32_surface_create_with_dib (CAIRO_FORMAT
_ARGB32, dibSection.dsBm.bmWidth, dibSection.dsBm.bmHeight); | |
| 53 | |
| 54 return BitmapImage::create(new NativeImageCairo(surface)); | |
| 55 } | |
| 56 | |
| 57 bool BitmapImage::getHBITMAPOfSize(HBITMAP bmp, LPSIZE size) | |
| 58 { | |
| 59 ASSERT(bmp); | |
| 60 | |
| 61 BITMAP bmpInfo; | |
| 62 GetObject(bmp, sizeof(BITMAP), &bmpInfo); | |
| 63 | |
| 64 // If this is a 32bpp bitmap, which it always should be, we'll clear it so a
lpha-wise it will be visible | |
| 65 if (bmpInfo.bmBitsPixel == 32 && bmpInfo.bmBits) { | |
| 66 int bufferSize = bmpInfo.bmWidthBytes * bmpInfo.bmHeight; | |
| 67 memset(bmpInfo.bmBits, 255, bufferSize); | |
| 68 } | |
| 69 | |
| 70 cairo_surface_t* image = cairo_image_surface_create_for_data((unsigned char*
)bmpInfo.bmBits, | |
| 71 CAIRO_FORMAT_ARGB32, | |
| 72 bmpInfo.bmWidth, | |
| 73 bmpInfo.bmHeight, | |
| 74 bmpInfo.bmWidthBytes); | |
| 75 | |
| 76 | |
| 77 cairo_t* targetRef = cairo_create(image); | |
| 78 cairo_surface_destroy(image); | |
| 79 | |
| 80 GraphicsContext gc(targetRef); | |
| 81 | |
| 82 IntSize imageSize = BitmapImage::size(); | |
| 83 if (size) | |
| 84 drawFrameMatchingSourceSize(&gc, FloatRect(0.0f, 0.0f, bmpInfo.bmWidth,
bmpInfo.bmHeight), IntSize(*size), ColorSpaceDeviceRGB, CompositeCopy); | |
| 85 else | |
| 86 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); | |
| 87 | |
| 88 // Do cleanup | |
| 89 cairo_destroy(targetRef); | |
| 90 | |
| 91 return true; | |
| 92 } | |
| 93 | |
| 94 void BitmapImage::drawFrameMatchingSourceSize(GraphicsContext* ctxt, const Float
Rect& dstRect, const IntSize& srcSize, ColorSpace styleColorSpace, CompositeOper
ator compositeOp) | |
| 95 { | |
| 96 size_t frames = frameCount(); | |
| 97 for (size_t i = 0; i < frames; ++i) { | |
| 98 NativeImageCairo* nativeImage = frameAtIndex(i); | |
| 99 if (!nativeImage) | |
| 100 continue; | |
| 101 cairo_surface_t* image = nativeImage->surface(); | |
| 102 if (!image) | |
| 103 continue; | |
| 104 | |
| 105 if (cairo_image_surface_get_height(image) == static_cast<size_t>(srcSize
.height()) && cairo_image_surface_get_width(image) == static_cast<size_t>(srcSiz
e.width())) { | |
| 106 size_t currentFrame = m_currentFrame; | |
| 107 m_currentFrame = i; | |
| 108 draw(ctxt, dstRect, FloatRect(0.0f, 0.0f, srcSize.width(), srcSize.h
eight()), ColorSpaceDeviceRGB, compositeOp, BlendModeNormal); | |
| 109 m_currentFrame = currentFrame; | |
| 110 return; | |
| 111 } | |
| 112 } | |
| 113 | |
| 114 // No image of the correct size was found, fallback to drawing the current f
rame | |
| 115 IntSize imageSize = BitmapImage::size(); | |
| 116 draw(ctxt, dstRect, FloatRect(0.0f, 0.0f, imageSize.width(), imageSize.heigh
t()), ColorSpaceDeviceRGB, compositeOp, BlendModeNormal); | |
| 117 } | |
| 118 | |
| 119 } // namespace WebCore | |
| OLD | NEW |
|---|
Chromium Code Reviews
