/* * Copyright (C) 2007 Google (Evan Stade) * Copyright (C) 2012 Dmitry Timoshkov * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ #include #include #define NONAMELESSUNION #include "windef.h" #include "winbase.h" #include "winuser.h" #include "wingdi.h" #define COBJMACROS #include "objbase.h" #include "olectl.h" #include "ole2.h" #include "initguid.h" #include "wincodec.h" #include "gdiplus.h" #include "gdiplus_private.h" #include "wine/debug.h" WINE_DEFAULT_DEBUG_CHANNEL(gdiplus); #define PIXELFORMATBPP(x) ((x) ? ((x) >> 8) & 255 : 24) static const struct { const WICPixelFormatGUID *wic_format; PixelFormat gdip_format; /* predefined palette type to use for pixel format conversions */ WICBitmapPaletteType palette_type; } pixel_formats[] = { { &GUID_WICPixelFormatBlackWhite, PixelFormat1bppIndexed, WICBitmapPaletteTypeFixedBW }, { &GUID_WICPixelFormat1bppIndexed, PixelFormat1bppIndexed, WICBitmapPaletteTypeFixedBW }, { &GUID_WICPixelFormat8bppGray, PixelFormat8bppIndexed, WICBitmapPaletteTypeFixedGray256 }, { &GUID_WICPixelFormat8bppIndexed, PixelFormat8bppIndexed, WICBitmapPaletteTypeFixedHalftone256 }, { &GUID_WICPixelFormat16bppBGR555, PixelFormat16bppRGB555, WICBitmapPaletteTypeFixedHalftone256 }, { &GUID_WICPixelFormat24bppBGR, PixelFormat24bppRGB, WICBitmapPaletteTypeFixedHalftone256 }, { &GUID_WICPixelFormat32bppBGR, PixelFormat32bppRGB, WICBitmapPaletteTypeFixedHalftone256 }, { &GUID_WICPixelFormat32bppBGRA, PixelFormat32bppARGB, WICBitmapPaletteTypeFixedHalftone256 }, { &GUID_WICPixelFormat32bppPBGRA, PixelFormat32bppPARGB, WICBitmapPaletteTypeFixedHalftone256 }, { NULL } }; static ColorPalette *get_palette(IWICBitmapFrameDecode *frame, WICBitmapPaletteType palette_type) { HRESULT hr; IWICImagingFactory *factory; IWICPalette *wic_palette; ColorPalette *palette = NULL; hr = CoCreateInstance(&CLSID_WICImagingFactory, NULL, CLSCTX_INPROC_SERVER, &IID_IWICImagingFactory, (void **)&factory); if (hr != S_OK) return NULL; hr = IWICImagingFactory_CreatePalette(factory, &wic_palette); if (hr == S_OK) { hr = WINCODEC_ERR_PALETTEUNAVAILABLE; if (frame) hr = IWICBitmapFrameDecode_CopyPalette(frame, wic_palette); if (hr != S_OK) { TRACE("using predefined palette %#x\n", palette_type); hr = IWICPalette_InitializePredefined(wic_palette, palette_type, FALSE); } if (hr == S_OK) { UINT count; BOOL mono, gray; IWICPalette_IsBlackWhite(wic_palette, &mono); IWICPalette_IsGrayscale(wic_palette, &gray); IWICPalette_GetColorCount(wic_palette, &count); palette = HeapAlloc(GetProcessHeap(), 0, 2 * sizeof(UINT) + count * sizeof(ARGB)); IWICPalette_GetColors(wic_palette, count, palette->Entries, &palette->Count); if (mono) palette->Flags = 0; else if (gray) palette->Flags = PaletteFlagsGrayScale; else palette->Flags = PaletteFlagsHalftone; } IWICPalette_Release(wic_palette); } IWICImagingFactory_Release(factory); return palette; } static INT ipicture_pixel_height(IPicture *pic) { HDC hdcref; OLE_YSIZE_HIMETRIC y; IPicture_get_Height(pic, &y); hdcref = GetDC(0); y = MulDiv(y, GetDeviceCaps(hdcref, LOGPIXELSY), INCH_HIMETRIC); ReleaseDC(0, hdcref); return y; } static INT ipicture_pixel_width(IPicture *pic) { HDC hdcref; OLE_XSIZE_HIMETRIC x; IPicture_get_Width(pic, &x); hdcref = GetDC(0); x = MulDiv(x, GetDeviceCaps(hdcref, LOGPIXELSX), INCH_HIMETRIC); ReleaseDC(0, hdcref); return x; } GpStatus WINGDIPAPI GdipBitmapApplyEffect(GpBitmap* bitmap, CGpEffect* effect, RECT* roi, BOOL useAuxData, VOID** auxData, INT* auxDataSize) { FIXME("(%p %p %p %d %p %p): stub\n", bitmap, effect, roi, useAuxData, auxData, auxDataSize); /* * Note: According to Jose Roca's GDI+ docs, this function is not * implemented in Windows's GDI+. */ return NotImplemented; } GpStatus WINGDIPAPI GdipBitmapCreateApplyEffect(GpBitmap** inputBitmaps, INT numInputs, CGpEffect* effect, RECT* roi, RECT* outputRect, GpBitmap** outputBitmap, BOOL useAuxData, VOID** auxData, INT* auxDataSize) { FIXME("(%p %d %p %p %p %p %d %p %p): stub\n", inputBitmaps, numInputs, effect, roi, outputRect, outputBitmap, useAuxData, auxData, auxDataSize); /* * Note: According to Jose Roca's GDI+ docs, this function is not * implemented in Windows's GDI+. */ return NotImplemented; } static inline void getpixel_1bppIndexed(BYTE *index, const BYTE *row, UINT x) { *index = (row[x/8]>>(7-x%8)) & 1; } static inline void getpixel_4bppIndexed(BYTE *index, const BYTE *row, UINT x) { if (x & 1) *index = row[x/2]&0xf; else *index = row[x/2]>>4; } static inline void getpixel_8bppIndexed(BYTE *index, const BYTE *row, UINT x) { *index = row[x]; } static inline void getpixel_16bppGrayScale(BYTE *r, BYTE *g, BYTE *b, BYTE *a, const BYTE *row, UINT x) { *r = *g = *b = row[x*2+1]; *a = 255; } static inline void getpixel_16bppRGB555(BYTE *r, BYTE *g, BYTE *b, BYTE *a, const BYTE *row, UINT x) { WORD pixel = *((const WORD*)(row)+x); *r = (pixel>>7&0xf8)|(pixel>>12&0x7); *g = (pixel>>2&0xf8)|(pixel>>6&0x7); *b = (pixel<<3&0xf8)|(pixel>>2&0x7); *a = 255; } static inline void getpixel_16bppRGB565(BYTE *r, BYTE *g, BYTE *b, BYTE *a, const BYTE *row, UINT x) { WORD pixel = *((const WORD*)(row)+x); *r = (pixel>>8&0xf8)|(pixel>>13&0x7); *g = (pixel>>3&0xfc)|(pixel>>9&0x3); *b = (pixel<<3&0xf8)|(pixel>>2&0x7); *a = 255; } static inline void getpixel_16bppARGB1555(BYTE *r, BYTE *g, BYTE *b, BYTE *a, const BYTE *row, UINT x) { WORD pixel = *((const WORD*)(row)+x); *r = (pixel>>7&0xf8)|(pixel>>12&0x7); *g = (pixel>>2&0xf8)|(pixel>>6&0x7); *b = (pixel<<3&0xf8)|(pixel>>2&0x7); if ((pixel&0x8000) == 0x8000) *a = 255; else *a = 0; } static inline void getpixel_24bppRGB(BYTE *r, BYTE *g, BYTE *b, BYTE *a, const BYTE *row, UINT x) { *r = row[x*3+2]; *g = row[x*3+1]; *b = row[x*3]; *a = 255; } static inline void getpixel_32bppRGB(BYTE *r, BYTE *g, BYTE *b, BYTE *a, const BYTE *row, UINT x) { *r = row[x*4+2]; *g = row[x*4+1]; *b = row[x*4]; *a = 255; } static inline void getpixel_32bppARGB(BYTE *r, BYTE *g, BYTE *b, BYTE *a, const BYTE *row, UINT x) { *r = row[x*4+2]; *g = row[x*4+1]; *b = row[x*4]; *a = row[x*4+3]; } static inline void getpixel_32bppPARGB(BYTE *r, BYTE *g, BYTE *b, BYTE *a, const BYTE *row, UINT x) { *a = row[x*4+3]; if (*a == 0) *r = *g = *b = 0; else { *r = row[x*4+2] * 255 / *a; *g = row[x*4+1] * 255 / *a; *b = row[x*4] * 255 / *a; } } static inline void getpixel_48bppRGB(BYTE *r, BYTE *g, BYTE *b, BYTE *a, const BYTE *row, UINT x) { *r = row[x*6+5]; *g = row[x*6+3]; *b = row[x*6+1]; *a = 255; } static inline void getpixel_64bppARGB(BYTE *r, BYTE *g, BYTE *b, BYTE *a, const BYTE *row, UINT x) { *r = row[x*8+5]; *g = row[x*8+3]; *b = row[x*8+1]; *a = row[x*8+7]; } static inline void getpixel_64bppPARGB(BYTE *r, BYTE *g, BYTE *b, BYTE *a, const BYTE *row, UINT x) { *a = row[x*8+7]; if (*a == 0) *r = *g = *b = 0; else { *r = row[x*8+5] * 255 / *a; *g = row[x*8+3] * 255 / *a; *b = row[x*8+1] * 255 / *a; } } GpStatus WINGDIPAPI GdipBitmapGetPixel(GpBitmap* bitmap, INT x, INT y, ARGB *color) { BYTE r, g, b, a; BYTE index; BYTE *row; TRACE("%p %d %d %p\n", bitmap, x, y, color); if(!bitmap || !color || x < 0 || y < 0 || x >= bitmap->width || y >= bitmap->height) return InvalidParameter; row = bitmap->bits+bitmap->stride*y; switch (bitmap->format) { case PixelFormat1bppIndexed: getpixel_1bppIndexed(&index,row,x); break; case PixelFormat4bppIndexed: getpixel_4bppIndexed(&index,row,x); break; case PixelFormat8bppIndexed: getpixel_8bppIndexed(&index,row,x); break; case PixelFormat16bppGrayScale: getpixel_16bppGrayScale(&r,&g,&b,&a,row,x); break; case PixelFormat16bppRGB555: getpixel_16bppRGB555(&r,&g,&b,&a,row,x); break; case PixelFormat16bppRGB565: getpixel_16bppRGB565(&r,&g,&b,&a,row,x); break; case PixelFormat16bppARGB1555: getpixel_16bppARGB1555(&r,&g,&b,&a,row,x); break; case PixelFormat24bppRGB: getpixel_24bppRGB(&r,&g,&b,&a,row,x); break; case PixelFormat32bppRGB: getpixel_32bppRGB(&r,&g,&b,&a,row,x); break; case PixelFormat32bppARGB: getpixel_32bppARGB(&r,&g,&b,&a,row,x); break; case PixelFormat32bppPARGB: getpixel_32bppPARGB(&r,&g,&b,&a,row,x); break; case PixelFormat48bppRGB: getpixel_48bppRGB(&r,&g,&b,&a,row,x); break; case PixelFormat64bppARGB: getpixel_64bppARGB(&r,&g,&b,&a,row,x); break; case PixelFormat64bppPARGB: getpixel_64bppPARGB(&r,&g,&b,&a,row,x); break; default: FIXME("not implemented for format 0x%x\n", bitmap->format); return NotImplemented; } if (bitmap->format & PixelFormatIndexed) *color = bitmap->image.palette->Entries[index]; else *color = a<<24|r<<16|g<<8|b; return Ok; } static inline UINT get_palette_index(BYTE r, BYTE g, BYTE b, BYTE a, ColorPalette *palette) { BYTE index = 0; int best_distance = 0x7fff; int distance; int i; if (!palette) return 0; /* This algorithm scans entire palette, computes difference from desired color (all color components have equal weight) and returns the index of color with least difference. Note: Maybe it could be replaced with a better algorithm for better image quality and performance, though better algorithm would probably need some pre-built lookup tables and thus may actually be slower if this method is called only few times per every image. */ for(i=0;iCount;i++) { ARGB color=palette->Entries[i]; distance=abs(b-(color & 0xff)) + abs(g-(color>>8 & 0xff)) + abs(r-(color>>16 & 0xff)) + abs(a-(color>>24 & 0xff)); if (distance>3&0x001f); } static inline void setpixel_16bppRGB565(BYTE r, BYTE g, BYTE b, BYTE a, BYTE *row, UINT x) { *((WORD*)(row)+x) = (r<<8&0xf800)| (g<<3&0x07e0)| (b>>3&0x001f); } static inline void setpixel_16bppARGB1555(BYTE r, BYTE g, BYTE b, BYTE a, BYTE *row, UINT x) { *((WORD*)(row)+x) = (a<<8&0x8000)| (r<<7&0x7c00)| (g<<2&0x03e0)| (b>>3&0x001f); } static inline void setpixel_24bppRGB(BYTE r, BYTE g, BYTE b, BYTE a, BYTE *row, UINT x) { row[x*3+2] = r; row[x*3+1] = g; row[x*3] = b; } static inline void setpixel_32bppRGB(BYTE r, BYTE g, BYTE b, BYTE a, BYTE *row, UINT x) { *((DWORD*)(row)+x) = (r<<16)|(g<<8)|b; } static inline void setpixel_32bppARGB(BYTE r, BYTE g, BYTE b, BYTE a, BYTE *row, UINT x) { *((DWORD*)(row)+x) = (a<<24)|(r<<16)|(g<<8)|b; } static inline void setpixel_32bppPARGB(BYTE r, BYTE g, BYTE b, BYTE a, BYTE *row, UINT x) { r = r * a / 255; g = g * a / 255; b = b * a / 255; *((DWORD*)(row)+x) = (a<<24)|(r<<16)|(g<<8)|b; } static inline void setpixel_48bppRGB(BYTE r, BYTE g, BYTE b, BYTE a, BYTE *row, UINT x) { row[x*6+5] = row[x*6+4] = r; row[x*6+3] = row[x*6+2] = g; row[x*6+1] = row[x*6] = b; } static inline void setpixel_64bppARGB(BYTE r, BYTE g, BYTE b, BYTE a, BYTE *row, UINT x) { UINT64 a64=a, r64=r, g64=g, b64=b; *((UINT64*)(row)+x) = (a64<<56)|(a64<<48)|(r64<<40)|(r64<<32)|(g64<<24)|(g64<<16)|(b64<<8)|b64; } static inline void setpixel_64bppPARGB(BYTE r, BYTE g, BYTE b, BYTE a, BYTE *row, UINT x) { UINT64 a64, r64, g64, b64; a64 = a * 257; r64 = r * a / 255; g64 = g * a / 255; b64 = b * a / 255; *((UINT64*)(row)+x) = (a64<<48)|(r64<<32)|(g64<<16)|b64; } GpStatus WINGDIPAPI GdipBitmapSetPixel(GpBitmap* bitmap, INT x, INT y, ARGB color) { BYTE a, r, g, b; BYTE *row; TRACE("bitmap:%p, x:%d, y:%d, color:%08x\n", bitmap, x, y, color); if(!bitmap || x < 0 || y < 0 || x >= bitmap->width || y >= bitmap->height) return InvalidParameter; a = color>>24; r = color>>16; g = color>>8; b = color; row = bitmap->bits + bitmap->stride * y; switch (bitmap->format) { case PixelFormat16bppGrayScale: setpixel_16bppGrayScale(r,g,b,a,row,x); break; case PixelFormat16bppRGB555: setpixel_16bppRGB555(r,g,b,a,row,x); break; case PixelFormat16bppRGB565: setpixel_16bppRGB565(r,g,b,a,row,x); break; case PixelFormat16bppARGB1555: setpixel_16bppARGB1555(r,g,b,a,row,x); break; case PixelFormat24bppRGB: setpixel_24bppRGB(r,g,b,a,row,x); break; case PixelFormat32bppRGB: setpixel_32bppRGB(r,g,b,a,row,x); break; case PixelFormat32bppARGB: setpixel_32bppARGB(r,g,b,a,row,x); break; case PixelFormat32bppPARGB: setpixel_32bppPARGB(r,g,b,a,row,x); break; case PixelFormat48bppRGB: setpixel_48bppRGB(r,g,b,a,row,x); break; case PixelFormat64bppARGB: setpixel_64bppARGB(r,g,b,a,row,x); break; case PixelFormat64bppPARGB: setpixel_64bppPARGB(r,g,b,a,row,x); break; case PixelFormat8bppIndexed: setpixel_8bppIndexed(r,g,b,a,row,x,bitmap->image.palette); break; case PixelFormat4bppIndexed: setpixel_4bppIndexed(r,g,b,a,row,x,bitmap->image.palette); break; case PixelFormat1bppIndexed: setpixel_1bppIndexed(r,g,b,a,row,x,bitmap->image.palette); break; default: FIXME("not implemented for format 0x%x\n", bitmap->format); return NotImplemented; } return Ok; } GpStatus convert_pixels(INT width, INT height, INT dst_stride, BYTE *dst_bits, PixelFormat dst_format, INT src_stride, const BYTE *src_bits, PixelFormat src_format, ColorPalette *palette) { INT x, y; if (src_format == dst_format || (dst_format == PixelFormat32bppRGB && PIXELFORMATBPP(src_format) == 32)) { UINT widthbytes = PIXELFORMATBPP(src_format) * width / 8; for (y=0; yCount) ? palette->Entries[index] : 0; \ setpixel_function(color[2], color[1], color[0], color[3], dst_bits+dst_stride*y, x); \ } \ return Ok; \ } while (0); #define convert_rgb_to_rgb(getpixel_function, setpixel_function) do { \ for (x=0; xX < 0 || rect->Y < 0 || (rect->X + rect->Width > bitmap->width) || (rect->Y + rect->Height > bitmap->height) || !flags) return InvalidParameter; act_rect = *rect; } else{ act_rect.X = act_rect.Y = 0; act_rect.Width = bitmap->width; act_rect.Height = bitmap->height; } if(bitmap->lockmode) { WARN("bitmap is already locked and cannot be locked again\n"); return WrongState; } if (bitmap->bits && bitmap->format == format && !(flags & ImageLockModeUserInputBuf)) { /* no conversion is necessary; just use the bits directly */ lockeddata->Width = act_rect.Width; lockeddata->Height = act_rect.Height; lockeddata->PixelFormat = format; lockeddata->Reserved = flags; lockeddata->Stride = bitmap->stride; lockeddata->Scan0 = bitmap->bits + (bitspp / 8) * act_rect.X + bitmap->stride * act_rect.Y; bitmap->lockmode = flags | ImageLockModeRead; bitmap->numlocks++; return Ok; } /* Make sure we can convert to the requested format. */ if (flags & ImageLockModeRead) { stat = convert_pixels(0, 0, 0, NULL, format, 0, NULL, bitmap->format, NULL); if (stat == NotImplemented) { FIXME("cannot read bitmap from %x to %x\n", bitmap->format, format); return NotImplemented; } } /* If we're opening for writing, make sure we'll be able to write back in * the original format. */ if (flags & ImageLockModeWrite) { stat = convert_pixels(0, 0, 0, NULL, bitmap->format, 0, NULL, format, NULL); if (stat == NotImplemented) { FIXME("cannot write bitmap from %x to %x\n", format, bitmap->format); return NotImplemented; } } lockeddata->Width = act_rect.Width; lockeddata->Height = act_rect.Height; lockeddata->PixelFormat = format; lockeddata->Reserved = flags; if(!(flags & ImageLockModeUserInputBuf)) { lockeddata->Stride = (((act_rect.Width * bitspp + 7) / 8) + 3) & ~3; bitmap->bitmapbits = GdipAlloc(lockeddata->Stride * act_rect.Height); if (!bitmap->bitmapbits) return OutOfMemory; lockeddata->Scan0 = bitmap->bitmapbits; } if (flags & ImageLockModeRead) { static int fixme=0; if (!fixme && (PIXELFORMATBPP(bitmap->format) * act_rect.X) % 8 != 0) { FIXME("Cannot copy rows that don't start at a whole byte.\n"); fixme = 1; } stat = convert_pixels(act_rect.Width, act_rect.Height, lockeddata->Stride, lockeddata->Scan0, format, bitmap->stride, bitmap->bits + bitmap->stride * act_rect.Y + PIXELFORMATBPP(bitmap->format) * act_rect.X / 8, bitmap->format, bitmap->image.palette); if (stat != Ok) { GdipFree(bitmap->bitmapbits); bitmap->bitmapbits = NULL; return stat; } } bitmap->lockmode = flags | ImageLockModeRead; bitmap->numlocks++; bitmap->lockx = act_rect.X; bitmap->locky = act_rect.Y; return Ok; } GpStatus WINGDIPAPI GdipBitmapSetResolution(GpBitmap* bitmap, REAL xdpi, REAL ydpi) { TRACE("(%p, %.2f, %.2f)\n", bitmap, xdpi, ydpi); if (!bitmap || xdpi == 0.0 || ydpi == 0.0) return InvalidParameter; bitmap->image.xres = xdpi; bitmap->image.yres = ydpi; return Ok; } GpStatus WINGDIPAPI GdipBitmapUnlockBits(GpBitmap* bitmap, BitmapData* lockeddata) { GpStatus stat; static int fixme=0; TRACE("(%p,%p)\n", bitmap, lockeddata); if(!bitmap || !lockeddata) return InvalidParameter; if(!bitmap->lockmode) return WrongState; if(!(lockeddata->Reserved & ImageLockModeWrite)){ if(!(--bitmap->numlocks)) bitmap->lockmode = 0; GdipFree(bitmap->bitmapbits); bitmap->bitmapbits = NULL; return Ok; } if (!bitmap->bitmapbits && !(lockeddata->Reserved & ImageLockModeUserInputBuf)) { /* we passed a direct reference; no need to do anything */ bitmap->lockmode = 0; bitmap->numlocks = 0; return Ok; } if (!fixme && (PIXELFORMATBPP(bitmap->format) * bitmap->lockx) % 8 != 0) { FIXME("Cannot copy rows that don't start at a whole byte.\n"); fixme = 1; } stat = convert_pixels(lockeddata->Width, lockeddata->Height, bitmap->stride, bitmap->bits + bitmap->stride * bitmap->locky + PIXELFORMATBPP(bitmap->format) * bitmap->lockx / 8, bitmap->format, lockeddata->Stride, lockeddata->Scan0, lockeddata->PixelFormat, NULL); if (stat != Ok) { ERR("failed to convert pixels; this should never happen\n"); } GdipFree(bitmap->bitmapbits); bitmap->bitmapbits = NULL; bitmap->lockmode = 0; bitmap->numlocks = 0; return stat; } GpStatus WINGDIPAPI GdipCloneBitmapArea(REAL x, REAL y, REAL width, REAL height, PixelFormat format, GpBitmap* srcBitmap, GpBitmap** dstBitmap) { BitmapData lockeddata_src, lockeddata_dst; int i; UINT row_size; Rect area; GpStatus stat; TRACE("(%f,%f,%f,%f,0x%x,%p,%p)\n", x, y, width, height, format, srcBitmap, dstBitmap); if (!srcBitmap || !dstBitmap || srcBitmap->image.type != ImageTypeBitmap || x < 0 || y < 0 || x + width > srcBitmap->width || y + height > srcBitmap->height) { TRACE("<-- InvalidParameter\n"); return InvalidParameter; } if (format == PixelFormatDontCare) format = srcBitmap->format; area.X = roundr(x); area.Y = roundr(y); area.Width = roundr(width); area.Height = roundr(height); stat = GdipBitmapLockBits(srcBitmap, &area, ImageLockModeRead, format, &lockeddata_src); if (stat != Ok) return stat; stat = GdipCreateBitmapFromScan0(lockeddata_src.Width, lockeddata_src.Height, 0, lockeddata_src.PixelFormat, NULL, dstBitmap); if (stat == Ok) { stat = GdipBitmapLockBits(*dstBitmap, NULL, ImageLockModeWrite, lockeddata_src.PixelFormat, &lockeddata_dst); if (stat == Ok) { /* copy the image data */ row_size = (lockeddata_src.Width * PIXELFORMATBPP(lockeddata_src.PixelFormat) +7)/8; for (i=0; ipicture) { IStream* stream; HRESULT hr; INT size; LARGE_INTEGER move; hr = CreateStreamOnHGlobal(0, TRUE, &stream); if (FAILED(hr)) return GenericError; hr = IPicture_SaveAsFile(image->picture, stream, FALSE, &size); if(FAILED(hr)) { WARN("Failed to save image on stream\n"); goto out; } /* Set seek pointer back to the beginning of the picture */ move.QuadPart = 0; hr = IStream_Seek(stream, move, STREAM_SEEK_SET, NULL); if (FAILED(hr)) goto out; stat = GdipLoadImageFromStream(stream, cloneImage); if (stat != Ok) WARN("Failed to load image from stream\n"); out: IStream_Release(stream); return stat; } else if (image->type == ImageTypeBitmap) { GpBitmap *bitmap = (GpBitmap*)image; BitmapData lockeddata_src, lockeddata_dst; int i; UINT row_size; stat = GdipBitmapLockBits(bitmap, NULL, ImageLockModeRead, bitmap->format, &lockeddata_src); if (stat != Ok) return stat; stat = GdipCreateBitmapFromScan0(lockeddata_src.Width, lockeddata_src.Height, 0, lockeddata_src.PixelFormat, NULL, (GpBitmap**)cloneImage); if (stat == Ok) { stat = GdipBitmapLockBits((GpBitmap*)*cloneImage, NULL, ImageLockModeWrite, lockeddata_src.PixelFormat, &lockeddata_dst); if (stat == Ok) { /* copy the image data */ row_size = (lockeddata_src.Width * PIXELFORMATBPP(lockeddata_src.PixelFormat) +7)/8; for (i=0; iformat, &image->format, sizeof(GUID)); return stat; } else { ERR("GpImage with no IPicture or bitmap?!\n"); return NotImplemented; } } GpStatus WINGDIPAPI GdipCreateBitmapFromFile(GDIPCONST WCHAR* filename, GpBitmap **bitmap) { GpStatus stat; IStream *stream; TRACE("(%s) %p\n", debugstr_w(filename), bitmap); if(!filename || !bitmap) return InvalidParameter; stat = GdipCreateStreamOnFile(filename, GENERIC_READ, &stream); if(stat != Ok) return stat; stat = GdipCreateBitmapFromStream(stream, bitmap); IStream_Release(stream); return stat; } GpStatus WINGDIPAPI GdipCreateBitmapFromGdiDib(GDIPCONST BITMAPINFO* info, VOID *bits, GpBitmap **bitmap) { DWORD height, stride; PixelFormat format; FIXME("(%p, %p, %p) - partially implemented\n", info, bits, bitmap); if (!info || !bits || !bitmap) return InvalidParameter; height = abs(info->bmiHeader.biHeight); stride = ((info->bmiHeader.biWidth * info->bmiHeader.biBitCount + 31) >> 3) & ~3; if(info->bmiHeader.biHeight > 0) /* bottom-up */ { bits = (BYTE*)bits + (height - 1) * stride; stride = -stride; } switch(info->bmiHeader.biBitCount) { case 1: format = PixelFormat1bppIndexed; break; case 4: format = PixelFormat4bppIndexed; break; case 8: format = PixelFormat8bppIndexed; break; case 16: format = PixelFormat16bppRGB555; break; case 24: format = PixelFormat24bppRGB; break; case 32: format = PixelFormat32bppRGB; break; default: FIXME("don't know how to handle %d bpp\n", info->bmiHeader.biBitCount); *bitmap = NULL; return InvalidParameter; } return GdipCreateBitmapFromScan0(info->bmiHeader.biWidth, height, stride, format, bits, bitmap); } /* FIXME: no icm */ GpStatus WINGDIPAPI GdipCreateBitmapFromFileICM(GDIPCONST WCHAR* filename, GpBitmap **bitmap) { TRACE("(%s) %p\n", debugstr_w(filename), bitmap); return GdipCreateBitmapFromFile(filename, bitmap); } GpStatus WINGDIPAPI GdipCreateBitmapFromResource(HINSTANCE hInstance, GDIPCONST WCHAR* lpBitmapName, GpBitmap** bitmap) { HBITMAP hbm; GpStatus stat = InvalidParameter; TRACE("%p (%s) %p\n", hInstance, debugstr_w(lpBitmapName), bitmap); if(!lpBitmapName || !bitmap) return InvalidParameter; /* load DIB */ hbm = LoadImageW(hInstance, lpBitmapName, IMAGE_BITMAP, 0, 0, LR_CREATEDIBSECTION); if(hbm){ stat = GdipCreateBitmapFromHBITMAP(hbm, NULL, bitmap); DeleteObject(hbm); } return stat; } GpStatus WINGDIPAPI GdipCreateHBITMAPFromBitmap(GpBitmap* bitmap, HBITMAP* hbmReturn, ARGB background) { GpStatus stat; HBITMAP result; UINT width, height; BITMAPINFOHEADER bih; LPBYTE bits; BitmapData lockeddata; TRACE("(%p,%p,%x)\n", bitmap, hbmReturn, background); if (!bitmap || !hbmReturn) return InvalidParameter; GdipGetImageWidth((GpImage*)bitmap, &width); GdipGetImageHeight((GpImage*)bitmap, &height); bih.biSize = sizeof(bih); bih.biWidth = width; bih.biHeight = height; bih.biPlanes = 1; bih.biBitCount = 32; bih.biCompression = BI_RGB; bih.biSizeImage = 0; bih.biXPelsPerMeter = 0; bih.biYPelsPerMeter = 0; bih.biClrUsed = 0; bih.biClrImportant = 0; result = CreateDIBSection(0, (BITMAPINFO*)&bih, DIB_RGB_COLORS, (void**)&bits, NULL, 0); if (result) { lockeddata.Stride = -width * 4; lockeddata.Scan0 = bits + (width * 4 * (height - 1)); stat = GdipBitmapLockBits(bitmap, NULL, ImageLockModeRead|ImageLockModeUserInputBuf, PixelFormat32bppPARGB, &lockeddata); if (stat == Ok) stat = GdipBitmapUnlockBits(bitmap, &lockeddata); } else stat = GenericError; if (stat != Ok && result) { DeleteObject(result); result = NULL; } *hbmReturn = result; return stat; } GpStatus WINGDIPAPI GdipConvertToEmfPlus(const GpGraphics* ref, GpMetafile* metafile, BOOL* succ, EmfType emfType, const WCHAR* description, GpMetafile** out_metafile) { static int calls; TRACE("(%p,%p,%p,%u,%s,%p)\n", ref, metafile, succ, emfType, debugstr_w(description), out_metafile); if(!ref || !metafile || !out_metafile) return InvalidParameter; *succ = FALSE; *out_metafile = NULL; if(!(calls++)) FIXME("not implemented\n"); return NotImplemented; } /* FIXME: this should create a bitmap in the given size with the attributes * (resolution etc.) of the graphics object */ GpStatus WINGDIPAPI GdipCreateBitmapFromGraphics(INT width, INT height, GpGraphics* target, GpBitmap** bitmap) { static int calls; GpStatus ret; TRACE("(%d, %d, %p, %p)\n", width, height, target, bitmap); if(!target || !bitmap) return InvalidParameter; if(!(calls++)) FIXME("hacked stub\n"); ret = GdipCreateBitmapFromScan0(width, height, 0, PixelFormat24bppRGB, NULL, bitmap); return ret; } GpStatus WINGDIPAPI GdipCreateBitmapFromHICON(HICON hicon, GpBitmap** bitmap) { GpStatus stat; ICONINFO iinfo; BITMAP bm; int ret; UINT width, height; GpRect rect; BitmapData lockeddata; HDC screendc; BOOL has_alpha; int x, y; BYTE *bits; BITMAPINFOHEADER bih; DWORD *src; BYTE *dst_row; DWORD *dst; TRACE("%p, %p\n", hicon, bitmap); if(!bitmap || !GetIconInfo(hicon, &iinfo)) return InvalidParameter; /* get the size of the icon */ ret = GetObjectA(iinfo.hbmColor ? iinfo.hbmColor : iinfo.hbmMask, sizeof(bm), &bm); if (ret == 0) { DeleteObject(iinfo.hbmColor); DeleteObject(iinfo.hbmMask); return GenericError; } width = bm.bmWidth; if (iinfo.hbmColor) height = abs(bm.bmHeight); else /* combined bitmap + mask */ height = abs(bm.bmHeight) / 2; bits = HeapAlloc(GetProcessHeap(), 0, 4*width*height); if (!bits) { DeleteObject(iinfo.hbmColor); DeleteObject(iinfo.hbmMask); return OutOfMemory; } stat = GdipCreateBitmapFromScan0(width, height, 0, PixelFormat32bppARGB, NULL, bitmap); if (stat != Ok) { DeleteObject(iinfo.hbmColor); DeleteObject(iinfo.hbmMask); HeapFree(GetProcessHeap(), 0, bits); return stat; } rect.X = 0; rect.Y = 0; rect.Width = width; rect.Height = height; stat = GdipBitmapLockBits(*bitmap, &rect, ImageLockModeWrite, PixelFormat32bppARGB, &lockeddata); if (stat != Ok) { DeleteObject(iinfo.hbmColor); DeleteObject(iinfo.hbmMask); HeapFree(GetProcessHeap(), 0, bits); GdipDisposeImage((GpImage*)*bitmap); return stat; } bih.biSize = sizeof(bih); bih.biWidth = width; bih.biHeight = -height; bih.biPlanes = 1; bih.biBitCount = 32; bih.biCompression = BI_RGB; bih.biSizeImage = 0; bih.biXPelsPerMeter = 0; bih.biYPelsPerMeter = 0; bih.biClrUsed = 0; bih.biClrImportant = 0; screendc = GetDC(0); if (iinfo.hbmColor) { GetDIBits(screendc, iinfo.hbmColor, 0, height, bits, (BITMAPINFO*)&bih, DIB_RGB_COLORS); if (bm.bmBitsPixel == 32) { has_alpha = FALSE; /* If any pixel has a non-zero alpha, ignore hbmMask */ src = (DWORD*)bits; for (x=0; xbmiHeader.biSize = sizeof(BITMAPINFOHEADER); pbmi->bmiHeader.biWidth = width; pbmi->bmiHeader.biHeight = -height; pbmi->bmiHeader.biPlanes = 1; /* FIXME: use the rest of the data from format */ pbmi->bmiHeader.biBitCount = PIXELFORMATBPP(format); pbmi->bmiHeader.biCompression = BI_RGB; pbmi->bmiHeader.biSizeImage = 0; pbmi->bmiHeader.biXPelsPerMeter = 0; pbmi->bmiHeader.biYPelsPerMeter = 0; pbmi->bmiHeader.biClrUsed = 0; pbmi->bmiHeader.biClrImportant = 0; hbitmap = CreateDIBSection(0, pbmi, DIB_RGB_COLORS, (void**)&bits, NULL, 0); GdipFree(pbmi); if (!hbitmap) return GenericError; stride = dib_stride; } else { /* Not a GDI format; don't try to make an HBITMAP. */ if (scan0) bits = scan0; else { INT size = abs(stride) * height; own_bits = bits = GdipAlloc(size); if (!own_bits) return OutOfMemory; if (stride < 0) bits += stride * (1 - height); } } *bitmap = GdipAlloc(sizeof(GpBitmap)); if(!*bitmap) { DeleteObject(hbitmap); GdipFree(own_bits); return OutOfMemory; } (*bitmap)->image.type = ImageTypeBitmap; memcpy(&(*bitmap)->image.format, &ImageFormatMemoryBMP, sizeof(GUID)); (*bitmap)->image.flags = ImageFlagsNone; (*bitmap)->image.frame_count = 1; (*bitmap)->image.current_frame = 0; (*bitmap)->image.palette = NULL; (*bitmap)->image.xres = xres; (*bitmap)->image.yres = yres; (*bitmap)->width = width; (*bitmap)->height = height; (*bitmap)->format = format; (*bitmap)->image.picture = NULL; (*bitmap)->image.stream = NULL; (*bitmap)->hbitmap = hbitmap; (*bitmap)->hdc = NULL; (*bitmap)->bits = bits; (*bitmap)->stride = stride; (*bitmap)->own_bits = own_bits; (*bitmap)->metadata_reader = NULL; /* set format-related flags */ if (format & (PixelFormatAlpha|PixelFormatPAlpha|PixelFormatIndexed)) (*bitmap)->image.flags |= ImageFlagsHasAlpha; if (format == PixelFormat1bppIndexed || format == PixelFormat4bppIndexed || format == PixelFormat8bppIndexed) { (*bitmap)->image.palette = GdipAlloc(sizeof(UINT) * 2 + sizeof(ARGB) * (1 << PIXELFORMATBPP(format))); if (!(*bitmap)->image.palette) { GdipDisposeImage(&(*bitmap)->image); *bitmap = NULL; return OutOfMemory; } (*bitmap)->image.palette->Count = 1 << PIXELFORMATBPP(format); if (format == PixelFormat1bppIndexed) { (*bitmap)->image.palette->Flags = PaletteFlagsGrayScale; (*bitmap)->image.palette->Entries[0] = 0xff000000; (*bitmap)->image.palette->Entries[1] = 0xffffffff; } else { if (format == PixelFormat8bppIndexed) (*bitmap)->image.palette->Flags = PaletteFlagsHalftone; generate_halftone_palette((*bitmap)->image.palette->Entries, (*bitmap)->image.palette->Count); } } TRACE("<-- %p\n", *bitmap); return Ok; } GpStatus WINGDIPAPI GdipCreateBitmapFromStream(IStream* stream, GpBitmap **bitmap) { GpStatus stat; TRACE("%p %p\n", stream, bitmap); stat = GdipLoadImageFromStream(stream, (GpImage**) bitmap); if(stat != Ok) return stat; if((*bitmap)->image.type != ImageTypeBitmap){ GdipDisposeImage(&(*bitmap)->image); *bitmap = NULL; return GenericError; /* FIXME: what error to return? */ } return Ok; } /* FIXME: no icm */ GpStatus WINGDIPAPI GdipCreateBitmapFromStreamICM(IStream* stream, GpBitmap **bitmap) { TRACE("%p %p\n", stream, bitmap); return GdipCreateBitmapFromStream(stream, bitmap); } GpStatus WINGDIPAPI GdipCreateCachedBitmap(GpBitmap *bitmap, GpGraphics *graphics, GpCachedBitmap **cachedbmp) { GpStatus stat; TRACE("%p %p %p\n", bitmap, graphics, cachedbmp); if(!bitmap || !graphics || !cachedbmp) return InvalidParameter; *cachedbmp = GdipAlloc(sizeof(GpCachedBitmap)); if(!*cachedbmp) return OutOfMemory; stat = GdipCloneImage(&(bitmap->image), &(*cachedbmp)->image); if(stat != Ok){ GdipFree(*cachedbmp); return stat; } return Ok; } GpStatus WINGDIPAPI GdipCreateHICONFromBitmap(GpBitmap *bitmap, HICON *hicon) { GpStatus stat; BitmapData lockeddata; ULONG andstride, xorstride, bitssize; LPBYTE andbits, xorbits, androw, xorrow, srcrow; UINT x, y; TRACE("(%p, %p)\n", bitmap, hicon); if (!bitmap || !hicon) return InvalidParameter; stat = GdipBitmapLockBits(bitmap, NULL, ImageLockModeRead, PixelFormat32bppPARGB, &lockeddata); if (stat == Ok) { andstride = ((lockeddata.Width+31)/32)*4; xorstride = lockeddata.Width*4; bitssize = (andstride + xorstride) * lockeddata.Height; andbits = GdipAlloc(bitssize); if (andbits) { xorbits = andbits + andstride * lockeddata.Height; for (y=0; y= 128) androw[x/8] |= 1 << (7-x%8); xorrow = xorbits + xorstride * y; memcpy(xorrow, srcrow, xorstride); } *hicon = CreateIcon(NULL, lockeddata.Width, lockeddata.Height, 1, 32, andbits, xorbits); GdipFree(andbits); } else stat = OutOfMemory; GdipBitmapUnlockBits(bitmap, &lockeddata); } return stat; } GpStatus WINGDIPAPI GdipDeleteCachedBitmap(GpCachedBitmap *cachedbmp) { TRACE("%p\n", cachedbmp); if(!cachedbmp) return InvalidParameter; GdipDisposeImage(cachedbmp->image); GdipFree(cachedbmp); return Ok; } GpStatus WINGDIPAPI GdipDrawCachedBitmap(GpGraphics *graphics, GpCachedBitmap *cachedbmp, INT x, INT y) { TRACE("%p %p %d %d\n", graphics, cachedbmp, x, y); if(!graphics || !cachedbmp) return InvalidParameter; return GdipDrawImage(graphics, cachedbmp->image, (REAL)x, (REAL)y); } GpStatus WINGDIPAPI GdipEmfToWmfBits(HENHMETAFILE hemf, UINT cbData16, LPBYTE pData16, INT iMapMode, INT eFlags) { FIXME("(%p, %d, %p, %d, %d): stub\n", hemf, cbData16, pData16, iMapMode, eFlags); return NotImplemented; } /* Internal utility function: Replace the image data of dst with that of src, * and free src. */ static void move_bitmap(GpBitmap *dst, GpBitmap *src, BOOL clobber_palette) { assert(src->image.type == ImageTypeBitmap); assert(dst->image.type == ImageTypeBitmap); GdipFree(dst->bitmapbits); GdipFree(dst->own_bits); DeleteDC(dst->hdc); DeleteObject(dst->hbitmap); if (clobber_palette) { GdipFree(dst->image.palette); dst->image.palette = src->image.palette; } else GdipFree(src->image.palette); dst->image.xres = src->image.xres; dst->image.yres = src->image.yres; dst->width = src->width; dst->height = src->height; dst->format = src->format; dst->hbitmap = src->hbitmap; dst->hdc = src->hdc; dst->bits = src->bits; dst->stride = src->stride; dst->own_bits = src->own_bits; if (dst->metadata_reader) IWICMetadataReader_Release(dst->metadata_reader); dst->metadata_reader = src->metadata_reader; if (dst->image.stream) IStream_Release(dst->image.stream); dst->image.stream = src->image.stream; dst->image.frame_count = src->image.frame_count; dst->image.current_frame = src->image.current_frame; dst->image.format = src->image.format; src->image.type = ~0; GdipFree(src); } static GpStatus free_image_data(GpImage *image) { if(!image) return InvalidParameter; if (image->type == ImageTypeBitmap) { GdipFree(((GpBitmap*)image)->bitmapbits); GdipFree(((GpBitmap*)image)->own_bits); DeleteDC(((GpBitmap*)image)->hdc); DeleteObject(((GpBitmap*)image)->hbitmap); if (((GpBitmap*)image)->metadata_reader) IWICMetadataReader_Release(((GpBitmap*)image)->metadata_reader); } else if (image->type == ImageTypeMetafile) { GpMetafile *metafile = (GpMetafile*)image; GdipFree(metafile->comment_data); DeleteEnhMetaFile(CloseEnhMetaFile(metafile->record_dc)); DeleteEnhMetaFile(metafile->hemf); if (metafile->record_graphics) { WARN("metafile closed while recording\n"); /* not sure what to do here; for now just prevent the graphics from functioning or using this object */ metafile->record_graphics->image = NULL; metafile->record_graphics->busy = TRUE; } } else { WARN("invalid image: %p\n", image); return ObjectBusy; } if (image->picture) IPicture_Release(image->picture); if (image->stream) IStream_Release(image->stream); GdipFree(image->palette); return Ok; } GpStatus WINGDIPAPI GdipDisposeImage(GpImage *image) { GpStatus status; TRACE("%p\n", image); status = free_image_data(image); if (status != Ok) return status; image->type = ~0; GdipFree(image); return Ok; } GpStatus WINGDIPAPI GdipFindFirstImageItem(GpImage *image, ImageItemData* item) { static int calls; TRACE("(%p,%p)\n", image, item); if(!image || !item) return InvalidParameter; if (!(calls++)) FIXME("not implemented\n"); return NotImplemented; } GpStatus WINGDIPAPI GdipGetImageItemData(GpImage *image, ImageItemData *item) { static int calls; TRACE("(%p,%p)\n", image, item); if (!(calls++)) FIXME("not implemented\n"); return NotImplemented; } GpStatus WINGDIPAPI GdipGetImageBounds(GpImage *image, GpRectF *srcRect, GpUnit *srcUnit) { TRACE("%p %p %p\n", image, srcRect, srcUnit); if(!image || !srcRect || !srcUnit) return InvalidParameter; if(image->type == ImageTypeMetafile){ *srcRect = ((GpMetafile*)image)->bounds; *srcUnit = ((GpMetafile*)image)->unit; } else if(image->type == ImageTypeBitmap){ srcRect->X = srcRect->Y = 0.0; srcRect->Width = (REAL) ((GpBitmap*)image)->width; srcRect->Height = (REAL) ((GpBitmap*)image)->height; *srcUnit = UnitPixel; } else{ srcRect->X = srcRect->Y = 0.0; srcRect->Width = ipicture_pixel_width(image->picture); srcRect->Height = ipicture_pixel_height(image->picture); *srcUnit = UnitPixel; } TRACE("returning (%f, %f) (%f, %f) unit type %d\n", srcRect->X, srcRect->Y, srcRect->Width, srcRect->Height, *srcUnit); return Ok; } GpStatus WINGDIPAPI GdipGetImageDimension(GpImage *image, REAL *width, REAL *height) { TRACE("%p %p %p\n", image, width, height); if(!image || !height || !width) return InvalidParameter; if(image->type == ImageTypeMetafile){ HDC hdc = GetDC(0); REAL res = (REAL)GetDeviceCaps(hdc, LOGPIXELSX); ReleaseDC(0, hdc); *height = convert_unit(res, ((GpMetafile*)image)->unit) * ((GpMetafile*)image)->bounds.Height; *width = convert_unit(res, ((GpMetafile*)image)->unit) * ((GpMetafile*)image)->bounds.Width; } else if(image->type == ImageTypeBitmap){ *height = ((GpBitmap*)image)->height; *width = ((GpBitmap*)image)->width; } else{ *height = ipicture_pixel_height(image->picture); *width = ipicture_pixel_width(image->picture); } TRACE("returning (%f, %f)\n", *height, *width); return Ok; } GpStatus WINGDIPAPI GdipGetImageGraphicsContext(GpImage *image, GpGraphics **graphics) { HDC hdc; GpStatus stat; TRACE("%p %p\n", image, graphics); if(!image || !graphics) return InvalidParameter; if (image->type == ImageTypeBitmap && ((GpBitmap*)image)->hbitmap) { hdc = ((GpBitmap*)image)->hdc; if(!hdc){ hdc = CreateCompatibleDC(0); SelectObject(hdc, ((GpBitmap*)image)->hbitmap); ((GpBitmap*)image)->hdc = hdc; } stat = GdipCreateFromHDC(hdc, graphics); if (stat == Ok) { (*graphics)->image = image; (*graphics)->xres = image->xres; (*graphics)->yres = image->yres; } } else if (image->type == ImageTypeMetafile) stat = METAFILE_GetGraphicsContext((GpMetafile*)image, graphics); else stat = graphics_from_image(image, graphics); return stat; } GpStatus WINGDIPAPI GdipGetImageHeight(GpImage *image, UINT *height) { TRACE("%p %p\n", image, height); if(!image || !height) return InvalidParameter; if(image->type == ImageTypeMetafile){ HDC hdc = GetDC(0); REAL res = (REAL)GetDeviceCaps(hdc, LOGPIXELSX); ReleaseDC(0, hdc); *height = roundr(convert_unit(res, ((GpMetafile*)image)->unit) * ((GpMetafile*)image)->bounds.Height); } else if(image->type == ImageTypeBitmap) *height = ((GpBitmap*)image)->height; else *height = ipicture_pixel_height(image->picture); TRACE("returning %d\n", *height); return Ok; } GpStatus WINGDIPAPI GdipGetImageHorizontalResolution(GpImage *image, REAL *res) { if(!image || !res) return InvalidParameter; *res = image->xres; TRACE("(%p) <-- %0.2f\n", image, *res); return Ok; } GpStatus WINGDIPAPI GdipGetImagePaletteSize(GpImage *image, INT *size) { TRACE("%p %p\n", image, size); if(!image || !size) return InvalidParameter; if (!image->palette || image->palette->Count == 0) *size = sizeof(ColorPalette); else *size = sizeof(UINT)*2 + sizeof(ARGB)*image->palette->Count; TRACE("<-- %u\n", *size); return Ok; } /* FIXME: test this function for non-bitmap types */ GpStatus WINGDIPAPI GdipGetImagePixelFormat(GpImage *image, PixelFormat *format) { TRACE("%p %p\n", image, format); if(!image || !format) return InvalidParameter; if(image->type != ImageTypeBitmap) *format = PixelFormat24bppRGB; else *format = ((GpBitmap*) image)->format; return Ok; } GpStatus WINGDIPAPI GdipGetImageRawFormat(GpImage *image, GUID *format) { TRACE("(%p, %p)\n", image, format); if(!image || !format) return InvalidParameter; memcpy(format, &image->format, sizeof(GUID)); return Ok; } GpStatus WINGDIPAPI GdipGetImageType(GpImage *image, ImageType *type) { TRACE("%p %p\n", image, type); if(!image || !type) return InvalidParameter; *type = image->type; return Ok; } GpStatus WINGDIPAPI GdipGetImageVerticalResolution(GpImage *image, REAL *res) { if(!image || !res) return InvalidParameter; *res = image->yres; TRACE("(%p) <-- %0.2f\n", image, *res); return Ok; } GpStatus WINGDIPAPI GdipGetImageWidth(GpImage *image, UINT *width) { TRACE("%p %p\n", image, width); if(!image || !width) return InvalidParameter; if(image->type == ImageTypeMetafile){ HDC hdc = GetDC(0); REAL res = (REAL)GetDeviceCaps(hdc, LOGPIXELSX); ReleaseDC(0, hdc); *width = roundr(convert_unit(res, ((GpMetafile*)image)->unit) * ((GpMetafile*)image)->bounds.Width); } else if(image->type == ImageTypeBitmap) *width = ((GpBitmap*)image)->width; else *width = ipicture_pixel_width(image->picture); TRACE("returning %d\n", *width); return Ok; } GpStatus WINGDIPAPI GdipGetMetafileHeaderFromMetafile(GpMetafile * metafile, MetafileHeader * header) { static int calls; TRACE("(%p, %p)\n", metafile, header); if(!metafile || !header) return InvalidParameter; if(!(calls++)) FIXME("not implemented\n"); memset(header, 0, sizeof(MetafileHeader)); return Ok; } GpStatus WINGDIPAPI GdipGetMetafileHeaderFromEmf(HENHMETAFILE hEmf, MetafileHeader *header) { static int calls; if(!hEmf || !header) return InvalidParameter; if(!(calls++)) FIXME("not implemented\n"); memset(header, 0, sizeof(MetafileHeader)); return Ok; } GpStatus WINGDIPAPI GdipGetMetafileHeaderFromFile(GDIPCONST WCHAR *filename, MetafileHeader *header) { static int calls; TRACE("(%s,%p)\n", debugstr_w(filename), header); if(!filename || !header) return InvalidParameter; if(!(calls++)) FIXME("not implemented\n"); memset(header, 0, sizeof(MetafileHeader)); return Ok; } GpStatus WINGDIPAPI GdipGetMetafileHeaderFromStream(IStream *stream, MetafileHeader *header) { static int calls; TRACE("(%p,%p)\n", stream, header); if(!stream || !header) return InvalidParameter; if(!(calls++)) FIXME("not implemented\n"); memset(header, 0, sizeof(MetafileHeader)); return Ok; } GpStatus WINGDIPAPI GdipGetPropertyCount(GpImage *image, UINT *num) { TRACE("(%p, %p)\n", image, num); if (!image || !num) return InvalidParameter; *num = 0; if (image->type == ImageTypeBitmap) { if (((GpBitmap *)image)->metadata_reader) IWICMetadataReader_GetCount(((GpBitmap *)image)->metadata_reader, num); } return Ok; } GpStatus WINGDIPAPI GdipGetPropertyIdList(GpImage *image, UINT num, PROPID *list) { HRESULT hr; IWICMetadataReader *reader; IWICEnumMetadataItem *enumerator; UINT prop_count, i, items_returned; TRACE("(%p, %u, %p)\n", image, num, list); if (!image || !list) return InvalidParameter; if (image->type != ImageTypeBitmap) { FIXME("Not implemented for type %d\n", image->type); return NotImplemented; } reader = ((GpBitmap *)image)->metadata_reader; if (!reader) { if (num != 0) return InvalidParameter; return Ok; } hr = IWICMetadataReader_GetCount(reader, &prop_count); if (FAILED(hr)) return hresult_to_status(hr); if (num != prop_count) return InvalidParameter; hr = IWICMetadataReader_GetEnumerator(reader, &enumerator); if (FAILED(hr)) return hresult_to_status(hr); IWICEnumMetadataItem_Reset(enumerator); for (i = 0; i < num; i++) { PROPVARIANT id; hr = IWICEnumMetadataItem_Next(enumerator, 1, NULL, &id, NULL, &items_returned); if (hr != S_OK) break; if (id.vt != VT_UI2) { FIXME("not supported propvariant type for id: %u\n", id.vt); list[i] = 0; continue; } list[i] = id.u.uiVal; } IWICEnumMetadataItem_Release(enumerator); return hr == S_OK ? Ok : hresult_to_status(hr); } static UINT propvariant_size(PROPVARIANT *value) { switch (value->vt & ~VT_VECTOR) { case VT_EMPTY: return 0; case VT_I1: case VT_UI1: if (!(value->vt & VT_VECTOR)) return 1; return value->u.caub.cElems; case VT_I2: case VT_UI2: if (!(value->vt & VT_VECTOR)) return 2; return value->u.caui.cElems * 2; case VT_I4: case VT_UI4: case VT_R4: if (!(value->vt & VT_VECTOR)) return 4; return value->u.caul.cElems * 4; case VT_I8: case VT_UI8: case VT_R8: if (!(value->vt & VT_VECTOR)) return 8; return value->u.cauh.cElems * 8; case VT_LPSTR: return value->u.pszVal ? strlen(value->u.pszVal) + 1 : 0; case VT_BLOB: return value->u.blob.cbSize; default: FIXME("not supported variant type %d\n", value->vt); return 0; } } GpStatus WINGDIPAPI GdipGetPropertyItemSize(GpImage *image, PROPID propid, UINT *size) { HRESULT hr; IWICMetadataReader *reader; PROPVARIANT id, value; TRACE("(%p,%#x,%p)\n", image, propid, size); if (!size || !image) return InvalidParameter; if (image->type != ImageTypeBitmap) { FIXME("Not implemented for type %d\n", image->type); return NotImplemented; } reader = ((GpBitmap *)image)->metadata_reader; if (!reader) return PropertyNotFound; id.vt = VT_UI2; id.u.uiVal = propid; hr = IWICMetadataReader_GetValue(reader, NULL, &id, &value); if (FAILED(hr)) return PropertyNotFound; *size = propvariant_size(&value); if (*size) *size += sizeof(PropertyItem); PropVariantClear(&value); return Ok; } #ifndef PropertyTagTypeSByte #define PropertyTagTypeSByte 6 #define PropertyTagTypeSShort 8 #define PropertyTagTypeFloat 11 #define PropertyTagTypeDouble 12 #endif static UINT vt_to_itemtype(UINT vt) { static const struct { UINT vt, type; } vt2type[] = { { VT_I1, PropertyTagTypeSByte }, { VT_UI1, PropertyTagTypeByte }, { VT_I2, PropertyTagTypeSShort }, { VT_UI2, PropertyTagTypeShort }, { VT_I4, PropertyTagTypeSLONG }, { VT_UI4, PropertyTagTypeLong }, { VT_I8, PropertyTagTypeSRational }, { VT_UI8, PropertyTagTypeRational }, { VT_R4, PropertyTagTypeFloat }, { VT_R8, PropertyTagTypeDouble }, { VT_LPSTR, PropertyTagTypeASCII }, { VT_BLOB, PropertyTagTypeUndefined } }; UINT i; for (i = 0; i < sizeof(vt2type)/sizeof(vt2type[0]); i++) { if (vt2type[i].vt == vt) return vt2type[i].type; } FIXME("not supported variant type %u\n", vt); return 0; } static GpStatus propvariant_to_item(PROPVARIANT *value, PropertyItem *item, UINT size, PROPID id) { UINT item_size, item_type; item_size = propvariant_size(value); if (size != item_size + sizeof(PropertyItem)) return InvalidParameter; item_type = vt_to_itemtype(value->vt & ~VT_VECTOR); if (!item_type) return InvalidParameter; item->value = item + 1; switch (value->vt & ~VT_VECTOR) { case VT_I1: case VT_UI1: if (!(value->vt & VT_VECTOR)) *(BYTE *)item->value = value->u.bVal; else memcpy(item->value, value->u.caub.pElems, item_size); break; case VT_I2: case VT_UI2: if (!(value->vt & VT_VECTOR)) *(USHORT *)item->value = value->u.uiVal; else memcpy(item->value, value->u.caui.pElems, item_size); break; case VT_I4: case VT_UI4: case VT_R4: if (!(value->vt & VT_VECTOR)) *(ULONG *)item->value = value->u.ulVal; else memcpy(item->value, value->u.caul.pElems, item_size); break; case VT_I8: case VT_UI8: case VT_R8: if (!(value->vt & VT_VECTOR)) *(ULONGLONG *)item->value = value->u.uhVal.QuadPart; else memcpy(item->value, value->u.cauh.pElems, item_size); break; case VT_LPSTR: memcpy(item->value, value->u.pszVal, item_size); break; case VT_BLOB: memcpy(item->value, value->u.blob.pBlobData, item_size); break; default: FIXME("not supported variant type %d\n", value->vt); return InvalidParameter; } item->length = item_size; item->type = item_type; item->id = id; return Ok; } GpStatus WINGDIPAPI GdipGetPropertyItem(GpImage *image, PROPID propid, UINT size, PropertyItem *buffer) { GpStatus stat; HRESULT hr; IWICMetadataReader *reader; PROPVARIANT id, value; TRACE("(%p,%#x,%u,%p)\n", image, propid, size, buffer); if (!image || !buffer) return InvalidParameter; if (image->type != ImageTypeBitmap) { FIXME("Not implemented for type %d\n", image->type); return NotImplemented; } reader = ((GpBitmap *)image)->metadata_reader; if (!reader) return PropertyNotFound; id.vt = VT_UI2; id.u.uiVal = propid; hr = IWICMetadataReader_GetValue(reader, NULL, &id, &value); if (FAILED(hr)) return PropertyNotFound; stat = propvariant_to_item(&value, buffer, size, propid); PropVariantClear(&value); return stat; } GpStatus WINGDIPAPI GdipGetPropertySize(GpImage *image, UINT *size, UINT *count) { HRESULT hr; IWICMetadataReader *reader; IWICEnumMetadataItem *enumerator; UINT prop_count, prop_size, i; PROPVARIANT id, value; TRACE("(%p,%p,%p)\n", image, size, count); if (!image || !size || !count) return InvalidParameter; if (image->type != ImageTypeBitmap) { FIXME("Not implemented for type %d\n", image->type); return NotImplemented; } reader = ((GpBitmap *)image)->metadata_reader; if (!reader) return PropertyNotFound; hr = IWICMetadataReader_GetCount(reader, &prop_count); if (FAILED(hr)) return hresult_to_status(hr); hr = IWICMetadataReader_GetEnumerator(reader, &enumerator); if (FAILED(hr)) return hresult_to_status(hr); IWICEnumMetadataItem_Reset(enumerator); prop_size = 0; PropVariantInit(&id); PropVariantInit(&value); for (i = 0; i < prop_count; i++) { UINT items_returned, item_size; hr = IWICEnumMetadataItem_Next(enumerator, 1, NULL, &id, &value, &items_returned); if (hr != S_OK) break; item_size = propvariant_size(&value); if (item_size) prop_size += sizeof(PropertyItem) + item_size; PropVariantClear(&id); PropVariantClear(&value); } IWICEnumMetadataItem_Release(enumerator); if (hr != S_OK) return PropertyNotFound; *count = prop_count; *size = prop_size; return Ok; } GpStatus WINGDIPAPI GdipGetAllPropertyItems(GpImage *image, UINT size, UINT count, PropertyItem *buf) { GpStatus status; HRESULT hr; IWICMetadataReader *reader; IWICEnumMetadataItem *enumerator; UINT prop_count, prop_size, i; PROPVARIANT id, value; char *item_value; TRACE("(%p,%u,%u,%p)\n", image, size, count, buf); if (!image || !buf) return InvalidParameter; if (image->type != ImageTypeBitmap) { FIXME("Not implemented for type %d\n", image->type); return NotImplemented; } status = GdipGetPropertySize(image, &prop_size, &prop_count); if (status != Ok) return status; if (prop_count != count || prop_size != size) return InvalidParameter; reader = ((GpBitmap *)image)->metadata_reader; if (!reader) return PropertyNotFound; hr = IWICMetadataReader_GetEnumerator(reader, &enumerator); if (FAILED(hr)) return hresult_to_status(hr); IWICEnumMetadataItem_Reset(enumerator); item_value = (char *)(buf + prop_count); PropVariantInit(&id); PropVariantInit(&value); for (i = 0; i < prop_count; i++) { PropertyItem *item; UINT items_returned, item_size; hr = IWICEnumMetadataItem_Next(enumerator, 1, NULL, &id, &value, &items_returned); if (hr != S_OK) break; if (id.vt != VT_UI2) { FIXME("not supported propvariant type for id: %u\n", id.vt); continue; } item_size = propvariant_size(&value); if (item_size) { item = HeapAlloc(GetProcessHeap(), 0, item_size + sizeof(*item)); propvariant_to_item(&value, item, item_size + sizeof(*item), id.u.uiVal); buf[i].id = item->id; buf[i].type = item->type; buf[i].length = item_size; buf[i].value = item_value; memcpy(item_value, item->value, item_size); item_value += item_size; HeapFree(GetProcessHeap(), 0, item); } PropVariantClear(&id); PropVariantClear(&value); } IWICEnumMetadataItem_Release(enumerator); if (hr != S_OK) return PropertyNotFound; return Ok; } struct image_format_dimension { const GUID *format; const GUID *dimension; }; static const struct image_format_dimension image_format_dimensions[] = { {&ImageFormatGIF, &FrameDimensionTime}, {&ImageFormatIcon, &FrameDimensionResolution}, {NULL} }; GpStatus WINGDIPAPI GdipImageGetFrameCount(GpImage *image, GDIPCONST GUID* dimensionID, UINT* count) { TRACE("(%p,%s,%p)\n", image, debugstr_guid(dimensionID), count); if(!image || !count) return InvalidParameter; if (!dimensionID || IsEqualGUID(dimensionID, &image->format) || IsEqualGUID(dimensionID, &FrameDimensionPage) || IsEqualGUID(dimensionID, &FrameDimensionTime)) { *count = image->frame_count; return Ok; } return InvalidParameter; } GpStatus WINGDIPAPI GdipImageGetFrameDimensionsCount(GpImage *image, UINT* count) { TRACE("(%p, %p)\n", image, count); /* Native gdiplus 1.1 does not yet support multiple frame dimensions. */ if(!image || !count) return InvalidParameter; *count = 1; return Ok; } GpStatus WINGDIPAPI GdipImageGetFrameDimensionsList(GpImage* image, GUID* dimensionIDs, UINT count) { int i; const GUID *result=NULL; TRACE("(%p,%p,%u)\n", image, dimensionIDs, count); if(!image || !dimensionIDs || count != 1) return InvalidParameter; for (i=0; image_format_dimensions[i].format; i++) { if (IsEqualGUID(&image->format, image_format_dimensions[i].format)) { result = image_format_dimensions[i].dimension; break; } } if (!result) result = &FrameDimensionPage; memcpy(dimensionIDs, result, sizeof(GUID)); return Ok; } GpStatus WINGDIPAPI GdipLoadImageFromFile(GDIPCONST WCHAR* filename, GpImage **image) { GpStatus stat; IStream *stream; TRACE("(%s) %p\n", debugstr_w(filename), image); if (!filename || !image) return InvalidParameter; stat = GdipCreateStreamOnFile(filename, GENERIC_READ, &stream); if (stat != Ok) return stat; stat = GdipLoadImageFromStream(stream, image); IStream_Release(stream); return stat; } /* FIXME: no icm handling */ GpStatus WINGDIPAPI GdipLoadImageFromFileICM(GDIPCONST WCHAR* filename,GpImage **image) { TRACE("(%s) %p\n", debugstr_w(filename), image); return GdipLoadImageFromFile(filename, image); } static GpStatus decode_image_wic(IStream* stream, REFCLSID clsid, UINT active_frame, GpImage **image) { GpStatus status=Ok; GpBitmap *bitmap; HRESULT hr; IWICBitmapDecoder *decoder; IWICBitmapFrameDecode *frame; IWICBitmapSource *source=NULL; IWICMetadataBlockReader *block_reader; WICPixelFormatGUID wic_format; PixelFormat gdip_format=0; ColorPalette *palette = NULL; WICBitmapPaletteType palette_type = WICBitmapPaletteTypeFixedHalftone256; int i; UINT width, height, frame_count; BitmapData lockeddata; WICRect wrc; HRESULT initresult; initresult = CoInitialize(NULL); hr = CoCreateInstance(clsid, NULL, CLSCTX_INPROC_SERVER, &IID_IWICBitmapDecoder, (void**)&decoder); if (FAILED(hr)) goto end; hr = IWICBitmapDecoder_Initialize(decoder, stream, WICDecodeMetadataCacheOnLoad); if (SUCCEEDED(hr)) { IWICBitmapDecoder_GetFrameCount(decoder, &frame_count); hr = IWICBitmapDecoder_GetFrame(decoder, active_frame, &frame); } if (SUCCEEDED(hr)) /* got frame */ { hr = IWICBitmapFrameDecode_GetPixelFormat(frame, &wic_format); if (SUCCEEDED(hr)) { IWICBitmapSource *bmp_source; IWICBitmapFrameDecode_QueryInterface(frame, &IID_IWICBitmapSource, (void **)&bmp_source); for (i=0; pixel_formats[i].wic_format; i++) { if (IsEqualGUID(&wic_format, pixel_formats[i].wic_format)) { source = bmp_source; gdip_format = pixel_formats[i].gdip_format; palette_type = pixel_formats[i].palette_type; break; } } if (!source) { /* unknown format; fall back on 32bppARGB */ hr = WICConvertBitmapSource(&GUID_WICPixelFormat32bppBGRA, bmp_source, &source); gdip_format = PixelFormat32bppARGB; IWICBitmapSource_Release(bmp_source); } TRACE("%s => %#x\n", wine_dbgstr_guid(&wic_format), gdip_format); } if (SUCCEEDED(hr)) /* got source */ { hr = IWICBitmapSource_GetSize(source, &width, &height); if (SUCCEEDED(hr)) status = GdipCreateBitmapFromScan0(width, height, 0, gdip_format, NULL, &bitmap); if (SUCCEEDED(hr) && status == Ok) /* created bitmap */ { status = GdipBitmapLockBits(bitmap, NULL, ImageLockModeWrite, gdip_format, &lockeddata); if (status == Ok) /* locked bitmap */ { wrc.X = 0; wrc.Width = width; wrc.Height = 1; for (i=0; iimage.xres = dpix; bitmap->image.yres = dpiy; } hr = S_OK; } } IWICBitmapSource_Release(source); } bitmap->metadata_reader = NULL; if (IWICBitmapFrameDecode_QueryInterface(frame, &IID_IWICMetadataBlockReader, (void **)&block_reader) == S_OK) { UINT block_count = 0; if (IWICMetadataBlockReader_GetCount(block_reader, &block_count) == S_OK && block_count) IWICMetadataBlockReader_GetReaderByIndex(block_reader, 0, &bitmap->metadata_reader); IWICMetadataBlockReader_Release(block_reader); } palette = get_palette(frame, palette_type); IWICBitmapFrameDecode_Release(frame); } IWICBitmapDecoder_Release(decoder); end: if (SUCCEEDED(initresult)) CoUninitialize(); if (FAILED(hr) && status == Ok) status = hresult_to_status(hr); if (status == Ok) { /* Native GDI+ used to be smarter, but since Win7 it just sets these flags. */ bitmap->image.flags |= ImageFlagsReadOnly|ImageFlagsHasRealPixelSize|ImageFlagsHasRealDPI|ImageFlagsColorSpaceRGB; bitmap->image.frame_count = frame_count; bitmap->image.current_frame = active_frame; bitmap->image.stream = stream; if (palette) { GdipFree(bitmap->image.palette); bitmap->image.palette = palette; } else { if (IsEqualGUID(&wic_format, &GUID_WICPixelFormatBlackWhite)) bitmap->image.palette->Flags = 0; } /* Pin the source stream */ IStream_AddRef(stream); } return status; } static GpStatus decode_image_icon(IStream* stream, REFCLSID clsid, UINT active_frame, GpImage **image) { return decode_image_wic(stream, &CLSID_WICIcoDecoder, active_frame, image); } static GpStatus decode_image_bmp(IStream* stream, REFCLSID clsid, UINT active_frame, GpImage **image) { GpStatus status; GpBitmap* bitmap; status = decode_image_wic(stream, &CLSID_WICBmpDecoder, active_frame, image); bitmap = (GpBitmap*)*image; if (status == Ok && bitmap->format == PixelFormat32bppARGB) { /* WIC supports bmp files with alpha, but gdiplus does not */ bitmap->format = PixelFormat32bppRGB; } return status; } static GpStatus decode_image_jpeg(IStream* stream, REFCLSID clsid, UINT active_frame, GpImage **image) { return decode_image_wic(stream, &CLSID_WICJpegDecoder, active_frame, image); } static GpStatus decode_image_png(IStream* stream, REFCLSID clsid, UINT active_frame, GpImage **image) { return decode_image_wic(stream, &CLSID_WICPngDecoder, active_frame, image); } static GpStatus decode_image_gif(IStream* stream, REFCLSID clsid, UINT active_frame, GpImage **image) { return decode_image_wic(stream, &CLSID_WICGifDecoder, active_frame, image); } static GpStatus decode_image_tiff(IStream* stream, REFCLSID clsid, UINT active_frame, GpImage **image) { return decode_image_wic(stream, &CLSID_WICTiffDecoder, active_frame, image); } static GpStatus decode_image_olepicture_metafile(IStream* stream, REFCLSID clsid, UINT active_frame, GpImage **image) { IPicture *pic; TRACE("%p %p\n", stream, image); if(!stream || !image) return InvalidParameter; if(OleLoadPicture(stream, 0, FALSE, &IID_IPicture, (LPVOID*) &pic) != S_OK){ TRACE("Could not load picture\n"); return GenericError; } /* FIXME: missing initialization code */ *image = GdipAlloc(sizeof(GpMetafile)); if(!*image) return OutOfMemory; (*image)->type = ImageTypeMetafile; (*image)->stream = NULL; (*image)->picture = pic; (*image)->flags = ImageFlagsNone; (*image)->frame_count = 1; (*image)->current_frame = 0; (*image)->palette = NULL; TRACE("<-- %p\n", *image); return Ok; } typedef GpStatus (*encode_image_func)(GpImage *image, IStream* stream, GDIPCONST CLSID* clsid, GDIPCONST EncoderParameters* params); typedef GpStatus (*decode_image_func)(IStream *stream, REFCLSID clsid, UINT active_frame, GpImage **image); typedef struct image_codec { ImageCodecInfo info; encode_image_func encode_func; decode_image_func decode_func; } image_codec; typedef enum { BMP, JPEG, GIF, TIFF, EMF, WMF, PNG, ICO, NUM_CODECS } ImageFormat; static const struct image_codec codecs[NUM_CODECS]; static GpStatus get_decoder_info(IStream* stream, const struct image_codec **result) { BYTE signature[8]; const BYTE *pattern, *mask; LARGE_INTEGER seek; HRESULT hr; UINT bytesread; int i, j, sig; /* seek to the start of the stream */ seek.QuadPart = 0; hr = IStream_Seek(stream, seek, STREAM_SEEK_SET, NULL); if (FAILED(hr)) return hresult_to_status(hr); /* read the first 8 bytes */ /* FIXME: This assumes all codecs have signatures <= 8 bytes in length */ hr = IStream_Read(stream, signature, 8, &bytesread); if (FAILED(hr)) return hresult_to_status(hr); if (hr == S_FALSE || bytesread == 0) return GenericError; for (i = 0; i < NUM_CODECS; i++) { if ((codecs[i].info.Flags & ImageCodecFlagsDecoder) && bytesread >= codecs[i].info.SigSize) { for (sig=0; sig= image->frame_count) return InvalidParameter; if (image->type != ImageTypeBitmap && image->type != ImageTypeMetafile) { WARN("invalid image type %d\n", image->type); return InvalidParameter; } if (image->current_frame == frame) return Ok; if (!image->stream) { TRACE("image doesn't have an associated stream\n"); return Ok; } hr = IStream_Clone(image->stream, &stream); if (FAILED(hr)) { STATSTG statstg; hr = IStream_Stat(image->stream, &statstg, STATFLAG_NOOPEN); if (FAILED(hr)) return hresult_to_status(hr); stat = GdipCreateStreamOnFile(statstg.pwcsName, GENERIC_READ, &stream); if (stat != Ok) return stat; } /* choose an appropriate image decoder */ stat = get_decoder_info(stream, &codec); if (stat != Ok) { IStream_Release(stream); return stat; } /* seek to the start of the stream */ seek.QuadPart = 0; hr = IStream_Seek(stream, seek, STREAM_SEEK_SET, NULL); if (FAILED(hr)) { IStream_Release(stream); return hresult_to_status(hr); } /* call on the image decoder to do the real work */ stat = codec->decode_func(stream, &codec->info.Clsid, frame, &new_image); if (stat == Ok) { memcpy(&new_image->format, &codec->info.FormatID, sizeof(GUID)); free_image_data(image); if (image->type == ImageTypeBitmap) *(GpBitmap *)image = *(GpBitmap *)new_image; else if (image->type == ImageTypeMetafile) *(GpMetafile *)image = *(GpMetafile *)new_image; new_image->type = ~0; GdipFree(new_image); return Ok; } IStream_Release(stream); return stat; } GpStatus WINGDIPAPI GdipLoadImageFromStream(IStream *stream, GpImage **image) { GpStatus stat; LARGE_INTEGER seek; HRESULT hr; const struct image_codec *codec=NULL; /* choose an appropriate image decoder */ stat = get_decoder_info(stream, &codec); if (stat != Ok) return stat; /* seek to the start of the stream */ seek.QuadPart = 0; hr = IStream_Seek(stream, seek, STREAM_SEEK_SET, NULL); if (FAILED(hr)) return hresult_to_status(hr); /* call on the image decoder to do the real work */ stat = codec->decode_func(stream, &codec->info.Clsid, 0, image); /* take note of the original data format */ if (stat == Ok) { memcpy(&(*image)->format, &codec->info.FormatID, sizeof(GUID)); return Ok; } return stat; } /* FIXME: no ICM */ GpStatus WINGDIPAPI GdipLoadImageFromStreamICM(IStream* stream, GpImage **image) { TRACE("%p %p\n", stream, image); return GdipLoadImageFromStream(stream, image); } GpStatus WINGDIPAPI GdipRemovePropertyItem(GpImage *image, PROPID propId) { static int calls; TRACE("(%p,%u)\n", image, propId); if(!image) return InvalidParameter; if(!(calls++)) FIXME("not implemented\n"); return NotImplemented; } GpStatus WINGDIPAPI GdipSetPropertyItem(GpImage *image, GDIPCONST PropertyItem* item) { static int calls; if (!image || !item) return InvalidParameter; TRACE("(%p,%p:%#x,%u,%u,%p)\n", image, item, item->id, item->type, item->length, item->value); if(!(calls++)) FIXME("not implemented\n"); return NotImplemented; } GpStatus WINGDIPAPI GdipSaveImageToFile(GpImage *image, GDIPCONST WCHAR* filename, GDIPCONST CLSID *clsidEncoder, GDIPCONST EncoderParameters *encoderParams) { GpStatus stat; IStream *stream; TRACE("%p (%s) %p %p\n", image, debugstr_w(filename), clsidEncoder, encoderParams); if (!image || !filename|| !clsidEncoder) return InvalidParameter; stat = GdipCreateStreamOnFile(filename, GENERIC_WRITE, &stream); if (stat != Ok) return GenericError; stat = GdipSaveImageToStream(image, stream, clsidEncoder, encoderParams); IStream_Release(stream); return stat; } /************************************************************************* * Encoding functions - * These functions encode an image in different image file formats. */ #define BITMAP_FORMAT_BMP 0x4d42 /* "BM" */ #define BITMAP_FORMAT_JPEG 0xd8ff #define BITMAP_FORMAT_GIF 0x4947 #define BITMAP_FORMAT_PNG 0x5089 #define BITMAP_FORMAT_APM 0xcdd7 static GpStatus encode_image_WIC(GpImage *image, IStream* stream, GDIPCONST CLSID* clsid, GDIPCONST EncoderParameters* params) { GpStatus stat; GpBitmap *bitmap; IWICBitmapEncoder *encoder; IWICBitmapFrameEncode *frameencode; IPropertyBag2 *encoderoptions; HRESULT hr; UINT width, height; PixelFormat gdipformat=0; WICPixelFormatGUID wicformat; GpRect rc; BitmapData lockeddata; HRESULT initresult; UINT i; if (image->type != ImageTypeBitmap) return GenericError; bitmap = (GpBitmap*)image; GdipGetImageWidth(image, &width); GdipGetImageHeight(image, &height); rc.X = 0; rc.Y = 0; rc.Width = width; rc.Height = height; initresult = CoInitialize(NULL); hr = CoCreateInstance(clsid, NULL, CLSCTX_INPROC_SERVER, &IID_IWICBitmapEncoder, (void**)&encoder); if (FAILED(hr)) { if (SUCCEEDED(initresult)) CoUninitialize(); return hresult_to_status(hr); } hr = IWICBitmapEncoder_Initialize(encoder, stream, WICBitmapEncoderNoCache); if (SUCCEEDED(hr)) { hr = IWICBitmapEncoder_CreateNewFrame(encoder, &frameencode, &encoderoptions); } if (SUCCEEDED(hr)) /* created frame */ { hr = IWICBitmapFrameEncode_Initialize(frameencode, encoderoptions); if (SUCCEEDED(hr)) hr = IWICBitmapFrameEncode_SetSize(frameencode, width, height); if (SUCCEEDED(hr)) hr = IWICBitmapFrameEncode_SetResolution(frameencode, image->xres, image->yres); if (SUCCEEDED(hr)) { for (i=0; pixel_formats[i].wic_format; i++) { if (pixel_formats[i].gdip_format == bitmap->format) { memcpy(&wicformat, pixel_formats[i].wic_format, sizeof(GUID)); gdipformat = bitmap->format; break; } } if (!gdipformat) { memcpy(&wicformat, &GUID_WICPixelFormat32bppBGRA, sizeof(GUID)); gdipformat = PixelFormat32bppARGB; } hr = IWICBitmapFrameEncode_SetPixelFormat(frameencode, &wicformat); } if (SUCCEEDED(hr)) { stat = GdipBitmapLockBits(bitmap, &rc, ImageLockModeRead, gdipformat, &lockeddata); if (stat == Ok) { UINT row_size = (lockeddata.Width * PIXELFORMATBPP(gdipformat) + 7)/8; BYTE *row; /* write one row at a time in case stride is negative */ row = lockeddata.Scan0; for (i=0; ipalette ? image->palette->Count : 0; if (size < (sizeof(UINT)*2+sizeof(ARGB)*count)) { TRACE("<-- InsufficientBuffer\n"); return InsufficientBuffer; } if (image->palette) { palette->Flags = image->palette->Flags; palette->Count = image->palette->Count; memcpy(palette->Entries, image->palette->Entries, sizeof(ARGB)*image->palette->Count); } else { palette->Flags = 0; palette->Count = 0; } return Ok; } /***************************************************************************** * GdipSetImagePalette [GDIPLUS.@] */ GpStatus WINGDIPAPI GdipSetImagePalette(GpImage *image, GDIPCONST ColorPalette *palette) { ColorPalette *new_palette; TRACE("(%p,%p)\n", image, palette); if(!image || !palette || palette->Count > 256) return InvalidParameter; new_palette = GdipAlloc(2 * sizeof(UINT) + palette->Count * sizeof(ARGB)); if (!new_palette) return OutOfMemory; GdipFree(image->palette); image->palette = new_palette; image->palette->Flags = palette->Flags; image->palette->Count = palette->Count; memcpy(image->palette->Entries, palette->Entries, sizeof(ARGB)*palette->Count); return Ok; } /************************************************************************* * Encoders - * Structures that represent which formats we support for encoding. */ /* ImageCodecInfo creation routines taken from libgdiplus */ static const WCHAR bmp_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'B', 'M', 'P', 0}; /* Built-in BMP */ static const WCHAR bmp_extension[] = {'*','.','B', 'M', 'P',';', '*','.', 'D','I', 'B',';', '*','.', 'R', 'L', 'E',0}; /* *.BMP;*.DIB;*.RLE */ static const WCHAR bmp_mimetype[] = {'i', 'm', 'a','g', 'e', '/', 'b', 'm', 'p', 0}; /* image/bmp */ static const WCHAR bmp_format[] = {'B', 'M', 'P', 0}; /* BMP */ static const BYTE bmp_sig_pattern[] = { 0x42, 0x4D }; static const BYTE bmp_sig_mask[] = { 0xFF, 0xFF }; static const WCHAR jpeg_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'J','P','E','G', 0}; static const WCHAR jpeg_extension[] = {'*','.','J','P','G',';', '*','.','J','P','E','G',';', '*','.','J','P','E',';', '*','.','J','F','I','F',0}; static const WCHAR jpeg_mimetype[] = {'i','m','a','g','e','/','j','p','e','g', 0}; static const WCHAR jpeg_format[] = {'J','P','E','G',0}; static const BYTE jpeg_sig_pattern[] = { 0xFF, 0xD8 }; static const BYTE jpeg_sig_mask[] = { 0xFF, 0xFF }; static const WCHAR gif_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'G','I','F', 0}; static const WCHAR gif_extension[] = {'*','.','G','I','F',0}; static const WCHAR gif_mimetype[] = {'i','m','a','g','e','/','g','i','f', 0}; static const WCHAR gif_format[] = {'G','I','F',0}; static const BYTE gif_sig_pattern[4] = "GIF8"; static const BYTE gif_sig_mask[] = { 0xFF, 0xFF, 0xFF, 0xFF }; static const WCHAR tiff_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'T','I','F','F', 0}; static const WCHAR tiff_extension[] = {'*','.','T','I','F','F',';','*','.','T','I','F',0}; static const WCHAR tiff_mimetype[] = {'i','m','a','g','e','/','t','i','f','f', 0}; static const WCHAR tiff_format[] = {'T','I','F','F',0}; static const BYTE tiff_sig_pattern[] = {0x49,0x49,42,0,0x4d,0x4d,0,42}; static const BYTE tiff_sig_mask[] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }; static const WCHAR emf_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'E','M','F', 0}; static const WCHAR emf_extension[] = {'*','.','E','M','F',0}; static const WCHAR emf_mimetype[] = {'i','m','a','g','e','/','x','-','e','m','f', 0}; static const WCHAR emf_format[] = {'E','M','F',0}; static const BYTE emf_sig_pattern[] = { 0x01, 0x00, 0x00, 0x00 }; static const BYTE emf_sig_mask[] = { 0xFF, 0xFF, 0xFF, 0xFF }; static const WCHAR wmf_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'W','M','F', 0}; static const WCHAR wmf_extension[] = {'*','.','W','M','F',0}; static const WCHAR wmf_mimetype[] = {'i','m','a','g','e','/','x','-','w','m','f', 0}; static const WCHAR wmf_format[] = {'W','M','F',0}; static const BYTE wmf_sig_pattern[] = { 0xd7, 0xcd }; static const BYTE wmf_sig_mask[] = { 0xFF, 0xFF }; static const WCHAR png_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'P','N','G', 0}; static const WCHAR png_extension[] = {'*','.','P','N','G',0}; static const WCHAR png_mimetype[] = {'i','m','a','g','e','/','p','n','g', 0}; static const WCHAR png_format[] = {'P','N','G',0}; static const BYTE png_sig_pattern[] = { 137, 80, 78, 71, 13, 10, 26, 10, }; static const BYTE png_sig_mask[] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }; static const WCHAR ico_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'I','C','O', 0}; static const WCHAR ico_extension[] = {'*','.','I','C','O',0}; static const WCHAR ico_mimetype[] = {'i','m','a','g','e','/','x','-','i','c','o','n', 0}; static const WCHAR ico_format[] = {'I','C','O',0}; static const BYTE ico_sig_pattern[] = { 0x00, 0x00, 0x01, 0x00 }; static const BYTE ico_sig_mask[] = { 0xFF, 0xFF, 0xFF, 0xFF }; static const struct image_codec codecs[NUM_CODECS] = { { { /* BMP */ /* Clsid */ { 0x557cf400, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } }, /* FormatID */ { 0xb96b3cabU, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} }, /* CodecName */ bmp_codecname, /* DllName */ NULL, /* FormatDescription */ bmp_format, /* FilenameExtension */ bmp_extension, /* MimeType */ bmp_mimetype, /* Flags */ ImageCodecFlagsEncoder | ImageCodecFlagsDecoder | ImageCodecFlagsSupportBitmap | ImageCodecFlagsBuiltin, /* Version */ 1, /* SigCount */ 1, /* SigSize */ 2, /* SigPattern */ bmp_sig_pattern, /* SigMask */ bmp_sig_mask, }, encode_image_BMP, decode_image_bmp }, { { /* JPEG */ /* Clsid */ { 0x557cf401, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } }, /* FormatID */ { 0xb96b3caeU, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} }, /* CodecName */ jpeg_codecname, /* DllName */ NULL, /* FormatDescription */ jpeg_format, /* FilenameExtension */ jpeg_extension, /* MimeType */ jpeg_mimetype, /* Flags */ ImageCodecFlagsEncoder | ImageCodecFlagsDecoder | ImageCodecFlagsSupportBitmap | ImageCodecFlagsBuiltin, /* Version */ 1, /* SigCount */ 1, /* SigSize */ 2, /* SigPattern */ jpeg_sig_pattern, /* SigMask */ jpeg_sig_mask, }, encode_image_jpeg, decode_image_jpeg }, { { /* GIF */ /* Clsid */ { 0x557cf402, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } }, /* FormatID */ { 0xb96b3cb0U, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} }, /* CodecName */ gif_codecname, /* DllName */ NULL, /* FormatDescription */ gif_format, /* FilenameExtension */ gif_extension, /* MimeType */ gif_mimetype, /* Flags */ ImageCodecFlagsDecoder | ImageCodecFlagsSupportBitmap | ImageCodecFlagsBuiltin, /* Version */ 1, /* SigCount */ 1, /* SigSize */ 4, /* SigPattern */ gif_sig_pattern, /* SigMask */ gif_sig_mask, }, NULL, decode_image_gif }, { { /* TIFF */ /* Clsid */ { 0x557cf405, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } }, /* FormatID */ { 0xb96b3cb1U, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} }, /* CodecName */ tiff_codecname, /* DllName */ NULL, /* FormatDescription */ tiff_format, /* FilenameExtension */ tiff_extension, /* MimeType */ tiff_mimetype, /* Flags */ ImageCodecFlagsDecoder | ImageCodecFlagsEncoder | ImageCodecFlagsSupportBitmap | ImageCodecFlagsBuiltin, /* Version */ 1, /* SigCount */ 2, /* SigSize */ 4, /* SigPattern */ tiff_sig_pattern, /* SigMask */ tiff_sig_mask, }, encode_image_tiff, decode_image_tiff }, { { /* EMF */ /* Clsid */ { 0x557cf403, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } }, /* FormatID */ { 0xb96b3cacU, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} }, /* CodecName */ emf_codecname, /* DllName */ NULL, /* FormatDescription */ emf_format, /* FilenameExtension */ emf_extension, /* MimeType */ emf_mimetype, /* Flags */ ImageCodecFlagsDecoder | ImageCodecFlagsSupportVector | ImageCodecFlagsBuiltin, /* Version */ 1, /* SigCount */ 1, /* SigSize */ 4, /* SigPattern */ emf_sig_pattern, /* SigMask */ emf_sig_mask, }, NULL, decode_image_olepicture_metafile }, { { /* WMF */ /* Clsid */ { 0x557cf404, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } }, /* FormatID */ { 0xb96b3cadU, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} }, /* CodecName */ wmf_codecname, /* DllName */ NULL, /* FormatDescription */ wmf_format, /* FilenameExtension */ wmf_extension, /* MimeType */ wmf_mimetype, /* Flags */ ImageCodecFlagsDecoder | ImageCodecFlagsSupportVector | ImageCodecFlagsBuiltin, /* Version */ 1, /* SigCount */ 1, /* SigSize */ 2, /* SigPattern */ wmf_sig_pattern, /* SigMask */ wmf_sig_mask, }, NULL, decode_image_olepicture_metafile }, { { /* PNG */ /* Clsid */ { 0x557cf406, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } }, /* FormatID */ { 0xb96b3cafU, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} }, /* CodecName */ png_codecname, /* DllName */ NULL, /* FormatDescription */ png_format, /* FilenameExtension */ png_extension, /* MimeType */ png_mimetype, /* Flags */ ImageCodecFlagsEncoder | ImageCodecFlagsDecoder | ImageCodecFlagsSupportBitmap | ImageCodecFlagsBuiltin, /* Version */ 1, /* SigCount */ 1, /* SigSize */ 8, /* SigPattern */ png_sig_pattern, /* SigMask */ png_sig_mask, }, encode_image_png, decode_image_png }, { { /* ICO */ /* Clsid */ { 0x557cf407, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } }, /* FormatID */ { 0xb96b3cabU, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} }, /* CodecName */ ico_codecname, /* DllName */ NULL, /* FormatDescription */ ico_format, /* FilenameExtension */ ico_extension, /* MimeType */ ico_mimetype, /* Flags */ ImageCodecFlagsDecoder | ImageCodecFlagsSupportBitmap | ImageCodecFlagsBuiltin, /* Version */ 1, /* SigCount */ 1, /* SigSize */ 4, /* SigPattern */ ico_sig_pattern, /* SigMask */ ico_sig_mask, }, NULL, decode_image_icon }, }; /***************************************************************************** * GdipGetImageDecodersSize [GDIPLUS.@] */ GpStatus WINGDIPAPI GdipGetImageDecodersSize(UINT *numDecoders, UINT *size) { int decoder_count=0; int i; TRACE("%p %p\n", numDecoders, size); if (!numDecoders || !size) return InvalidParameter; for (i=0; ibmiHeader.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; yFlags = 0; palette->Count = num_palette_entries; for (i=0; iEntries[i] = 0xff000000 | entry->peRed << 16 | entry->peGreen << 8 | entry->peBlue; } retval = GdipSetImagePalette((GpImage*)*bitmap, palette); } GdipFree(palette_entries); GdipFree(palette); } if (retval != Ok) { GdipDisposeImage((GpImage*)*bitmap); *bitmap = NULL; } } return retval; } GpStatus WINGDIPAPI GdipDeleteEffect(CGpEffect *effect) { FIXME("(%p): stub\n", effect); /* note: According to Jose Roca's GDI+ Docs, this is not implemented * in Windows's gdiplus */ return NotImplemented; } /***************************************************************************** * GdipSetEffectParameters [GDIPLUS.@] */ GpStatus WINGDIPAPI GdipSetEffectParameters(CGpEffect *effect, const VOID *params, const UINT size) { static int calls; TRACE("(%p,%p,%u)\n", effect, params, size); if(!(calls++)) FIXME("not implemented\n"); return NotImplemented; } /***************************************************************************** * GdipGetImageFlags [GDIPLUS.@] */ GpStatus WINGDIPAPI GdipGetImageFlags(GpImage *image, UINT *flags) { TRACE("%p %p\n", image, flags); if(!image || !flags) return InvalidParameter; *flags = image->flags; return Ok; } GpStatus WINGDIPAPI GdipTestControl(GpTestControlEnum control, void *param) { TRACE("(%d, %p)\n", control, param); switch(control){ case TestControlForceBilinear: if(param) FIXME("TestControlForceBilinear not handled\n"); break; case TestControlNoICM: if(param) FIXME("TestControlNoICM not handled\n"); break; case TestControlGetBuildNumber: *((DWORD*)param) = 3102; break; } return Ok; } GpStatus WINGDIPAPI GdipRecordMetafileFileName(GDIPCONST WCHAR* fileName, HDC hdc, EmfType type, GDIPCONST GpRectF *pFrameRect, MetafileFrameUnit frameUnit, GDIPCONST WCHAR *desc, GpMetafile **metafile) { FIXME("%s %p %d %p %d %s %p stub!\n", debugstr_w(fileName), hdc, type, pFrameRect, frameUnit, debugstr_w(desc), metafile); return NotImplemented; } GpStatus WINGDIPAPI GdipRecordMetafileFileNameI(GDIPCONST WCHAR* fileName, HDC hdc, EmfType type, GDIPCONST GpRect *pFrameRect, MetafileFrameUnit frameUnit, GDIPCONST WCHAR *desc, GpMetafile **metafile) { FIXME("%s %p %d %p %d %s %p stub!\n", debugstr_w(fileName), hdc, type, pFrameRect, frameUnit, debugstr_w(desc), metafile); return NotImplemented; } GpStatus WINGDIPAPI GdipImageForceValidation(GpImage *image) { TRACE("%p\n", image); return Ok; } /***************************************************************************** * GdipGetImageThumbnail [GDIPLUS.@] */ GpStatus WINGDIPAPI GdipGetImageThumbnail(GpImage *image, UINT width, UINT height, GpImage **ret_image, GetThumbnailImageAbort cb, VOID * cb_data) { GpStatus stat; GpGraphics *graphics; UINT srcwidth, srcheight; TRACE("(%p %u %u %p %p %p)\n", image, width, height, ret_image, cb, cb_data); if (!image || !ret_image) return InvalidParameter; if (!width) width = 120; if (!height) height = 120; GdipGetImageWidth(image, &srcwidth); GdipGetImageHeight(image, &srcheight); stat = GdipCreateBitmapFromScan0(width, height, 0, PixelFormat32bppARGB, NULL, (GpBitmap**)ret_image); if (stat == Ok) { stat = GdipGetImageGraphicsContext(*ret_image, &graphics); if (stat == Ok) { stat = GdipDrawImageRectRectI(graphics, image, 0, 0, width, height, 0, 0, srcwidth, srcheight, UnitPixel, NULL, NULL, NULL); GdipDeleteGraphics(graphics); } if (stat != Ok) { GdipDisposeImage(*ret_image); *ret_image = NULL; } } return stat; } /***************************************************************************** * GdipImageRotateFlip [GDIPLUS.@] */ GpStatus WINGDIPAPI GdipImageRotateFlip(GpImage *image, RotateFlipType type) { GpBitmap *new_bitmap; GpBitmap *bitmap; int bpp, bytesperpixel; int rotate_90, flip_x, flip_y; int src_x_offset, src_y_offset; LPBYTE src_origin; UINT x, y, width, height; BitmapData src_lock, dst_lock; GpStatus stat; TRACE("(%p, %u)\n", image, type); if (!image) return InvalidParameter; rotate_90 = type&1; flip_x = (type&6) == 2 || (type&6) == 4; flip_y = (type&3) == 1 || (type&3) == 2; if (image->type != ImageTypeBitmap) { FIXME("Not implemented for type %i\n", image->type); return NotImplemented; } bitmap = (GpBitmap*)image; bpp = PIXELFORMATBPP(bitmap->format); if (bpp < 8) { FIXME("Not implemented for %i bit images\n", bpp); return NotImplemented; } if (rotate_90) { width = bitmap->height; height = bitmap->width; } else { width = bitmap->width; height = bitmap->height; } bytesperpixel = bpp/8; stat = GdipCreateBitmapFromScan0(width, height, 0, bitmap->format, NULL, &new_bitmap); if (stat != Ok) return stat; stat = GdipBitmapLockBits(bitmap, NULL, ImageLockModeRead, bitmap->format, &src_lock); if (stat == Ok) { stat = GdipBitmapLockBits(new_bitmap, NULL, ImageLockModeWrite, bitmap->format, &dst_lock); if (stat == Ok) { LPBYTE src_row, src_pixel; LPBYTE dst_row, dst_pixel; src_origin = src_lock.Scan0; if (flip_x) src_origin += bytesperpixel * (bitmap->width - 1); if (flip_y) src_origin += src_lock.Stride * (bitmap->height - 1); if (rotate_90) { if (flip_y) src_x_offset = -src_lock.Stride; else src_x_offset = src_lock.Stride; if (flip_x) src_y_offset = -bytesperpixel; else src_y_offset = bytesperpixel; } else { if (flip_x) src_x_offset = -bytesperpixel; else src_x_offset = bytesperpixel; if (flip_y) src_y_offset = -src_lock.Stride; else src_y_offset = src_lock.Stride; } src_row = src_origin; dst_row = dst_lock.Scan0; for (y=0; y