From 25dcd43e52693c830967e31afcdef0d317ed6ae5 Mon Sep 17 00:00:00 2001 From: Vincent Povirk Date: Sat, 12 Dec 2009 17:33:58 -0600 Subject: [PATCH] gdiplus: Support reading image data from device-dependent bitmaps. --- dlls/gdiplus/image.c | 45 +++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 44 insertions(+), 1 deletion(-) diff --git a/dlls/gdiplus/image.c b/dlls/gdiplus/image.c index aa03712b9f0..3dbe4daf8be 100644 --- a/dlls/gdiplus/image.c +++ b/dlls/gdiplus/image.c @@ -2721,7 +2721,50 @@ GpStatus WINGDIPAPI GdipCreateBitmapFromHBITMAP(HBITMAP hbm, HPALETTE hpal, GpBi } else { - FIXME("can only get image data from DIB sections\n"); + HDC hdc; + HBITMAP oldhbm; + BITMAPINFO *pbmi; + INT src_height, dst_stride; + BYTE *dst_bits; + + hdc = CreateCompatibleDC(NULL); + oldhbm = SelectObject(hdc, hbm); + + pbmi = GdipAlloc(sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD)); + + if (pbmi) + { + pbmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER); + pbmi->bmiHeader.biBitCount = 0; + + GetDIBits(hdc, hbm, 0, 0, NULL, pbmi, DIB_RGB_COLORS); + + src_height = abs(pbmi->bmiHeader.biHeight); + + if (pbmi->bmiHeader.biHeight > 0) + { + dst_bits = (BYTE*)lockeddata.Scan0+lockeddata.Stride*(src_height-1); + dst_stride = -lockeddata.Stride; + } + else + { + dst_bits = lockeddata.Scan0; + dst_stride = lockeddata.Stride; + } + + for (y=0; y