#include "config.h"
#include "FrameWin.h"
#include <windows.h>
#include "FrameView.h"
#include "GraphicsContext.h"
#include "Settings.h"
#include <CoreGraphics/CoreGraphics.h>
using std::min;
namespace WebCore {
static void drawRectIntoContext(IntRect rect, FrameView* view, GraphicsContext* gc)
{
IntSize offset = view->scrollOffset();
rect.move(-offset.width(), -offset.height());
rect = view->convertToContainingWindow(rect);
gc->concatCTM(AffineTransform().translate(-rect.x(), -rect.y()));
view->paint(gc, rect);
}
HBITMAP imageFromSelection(Frame* frame, bool forceBlackText)
{
frame->setPaintRestriction(forceBlackText ? PaintRestrictionSelectionOnlyBlackText : PaintRestrictionSelectionOnly);
FloatRect fr = frame->selectionRect();
IntRect ir(static_cast<int>(fr.x()), static_cast<int>(fr.y()),
static_cast<int>(fr.width()), static_cast<int>(fr.height()));
void* bits;
HDC hdc = CreateCompatibleDC(0);
int w = ir.width();
int h = ir.height();
BITMAPINFO bmp = { { sizeof(BITMAPINFOHEADER), w, h, 1, 32 } };
HBITMAP hbmp = CreateDIBSection(0, &bmp, DIB_RGB_COLORS, static_cast<void**>(&bits), 0, 0);
HBITMAP hbmpOld = static_cast<HBITMAP>(SelectObject(hdc, hbmp));
CGColorSpaceRef deviceRGB = CGColorSpaceCreateDeviceRGB();
CGContextRef context = CGBitmapContextCreate(static_cast<void*>(bits), w, h,
8, w * sizeof(RGBQUAD), deviceRGB, kCGBitmapByteOrder32Little | kCGImageAlphaPremultipliedFirst);
CGColorSpaceRelease(deviceRGB);
CGContextSaveGState(context);
GraphicsContext gc(context);
frame->document()->updateLayout();
drawRectIntoContext(ir, frame->view(), &gc);
CGContextRelease(context);
SelectObject(hdc, hbmpOld);
DeleteDC(hdc);
frame->setPaintRestriction(PaintRestrictionNone);
return hbmp;
}
}