#include "config.h"
#include "Image.h"
#include "BitmapImage.h"
#include "GraphicsContext.h"
#include <cairo.h>
#include <windows.h>
#include "PlatformString.h"
namespace WebCore {
bool BitmapImage::getHBITMAPOfSize(HBITMAP bmp, LPSIZE size)
{
ASSERT(bmp);
BITMAP bmpInfo;
GetObject(bmp, sizeof(BITMAP), &bmpInfo);
if (bmpInfo.bmBitsPixel == 32) {
int bufferSize = bmpInfo.bmWidthBytes * bmpInfo.bmHeight;
memset(bmpInfo.bmBits, 255, bufferSize);
}
HDC tempDC = CreateCompatibleDC(0);
if (!tempDC) {
LOG_ERROR("Failed to create in-memory DC for Image::blit()");
return false;
}
SelectObject(tempDC, bmp);
GraphicsContext gc(tempDC);
IntSize imageSize = BitmapImage::size();
if (size)
drawFrameMatchingSourceSize(&gc, FloatRect(0.0f, 0.0f, bmpInfo.bmWidth, bmpInfo.bmHeight), IntSize(*size), CompositeCopy);
else
draw(&gc, FloatRect(0.0f, 0.0f, bmpInfo.bmWidth, bmpInfo.bmHeight), FloatRect(0.0f, 0.0f, imageSize.width(), imageSize.height()), CompositeCopy);
DeleteDC(tempDC);
return true;
}
void BitmapImage::drawFrameMatchingSourceSize(GraphicsContext* ctxt, const FloatRect& dstRect, const IntSize& srcSize, CompositeOperator compositeOp)
{
int frames = frameCount();
for (int i = 0; i < frames; ++i) {
cairo_surface_t* image = frameAtIndex(i);
if (cairo_image_surface_get_height(image) == static_cast<size_t>(srcSize.height()) && cairo_image_surface_get_width(image) == static_cast<size_t>(srcSize.width())) {
size_t currentFrame = m_currentFrame;
m_currentFrame = i;
draw(ctxt, dstRect, FloatRect(0.0f, 0.0f, srcSize.width(), srcSize.height()), compositeOp);
m_currentFrame = currentFrame;
return;
}
}
IntSize imageSize = BitmapImage::size();
draw(ctxt, dstRect, FloatRect(0.0f, 0.0f, imageSize.width(), imageSize.height()), compositeOp);
}
}