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1856 lines
58 KiB
C
1856 lines
58 KiB
C
/*
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* Copyright 2009 Vincent Povirk
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* Copyright 2016 Dmitry Timoshkov
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <stdarg.h>
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#include <math.h>
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#define COBJMACROS
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#include "windef.h"
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#include "winbase.h"
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#include "objbase.h"
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#include "wincodecs_private.h"
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#include "wine/heap.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(wincodecs);
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struct FormatConverter;
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enum pixelformat {
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format_1bppIndexed,
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format_2bppIndexed,
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format_4bppIndexed,
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format_8bppIndexed,
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format_BlackWhite,
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format_2bppGray,
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format_4bppGray,
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format_8bppGray,
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format_16bppGray,
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format_16bppBGR555,
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format_16bppBGR565,
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format_16bppBGRA5551,
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format_24bppBGR,
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format_24bppRGB,
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format_32bppGrayFloat,
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format_32bppBGR,
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format_32bppRGB,
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format_32bppBGRA,
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format_32bppRGBA,
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format_32bppPBGRA,
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format_32bppPRGBA,
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format_48bppRGB,
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format_64bppRGBA,
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format_32bppCMYK,
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};
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typedef HRESULT (*copyfunc)(struct FormatConverter *This, const WICRect *prc,
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UINT cbStride, UINT cbBufferSize, BYTE *pbBuffer, enum pixelformat source_format);
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struct pixelformatinfo {
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enum pixelformat format;
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const WICPixelFormatGUID *guid;
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copyfunc copy_function;
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};
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typedef struct FormatConverter {
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IWICFormatConverter IWICFormatConverter_iface;
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LONG ref;
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IWICBitmapSource *source;
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const struct pixelformatinfo *dst_format, *src_format;
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WICBitmapDitherType dither;
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double alpha_threshold;
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IWICPalette *palette;
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CRITICAL_SECTION lock; /* must be held when initialized */
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} FormatConverter;
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/* https://www.w3.org/Graphics/Color/srgb */
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static inline float to_sRGB_component(float f)
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{
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if (f <= 0.0031308f) return 12.92f * f;
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return 1.055f * powf(f, 1.0f/2.4f) - 0.055f;
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}
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#if 0 /* FIXME: enable once needed */
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static inline float from_sRGB_component(float f)
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{
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if (f <= 0.04045f) return f / 12.92f;
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return powf((f + 0.055f) / 1.055f, 2.4f);
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}
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static void from_sRGB(BYTE *bgr)
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{
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float r, g, b;
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r = bgr[2] / 255.0f;
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g = bgr[1] / 255.0f;
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b = bgr[0] / 255.0f;
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r = from_sRGB_component(r);
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g = from_sRGB_component(g);
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b = from_sRGB_component(b);
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bgr[2] = (BYTE)(r * 255.0f);
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bgr[1] = (BYTE)(g * 255.0f);
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bgr[0] = (BYTE)(b * 255.0f);
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}
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static void to_sRGB(BYTE *bgr)
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{
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float r, g, b;
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r = bgr[2] / 255.0f;
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g = bgr[1] / 255.0f;
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b = bgr[0] / 255.0f;
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r = to_sRGB_component(r);
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g = to_sRGB_component(g);
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b = to_sRGB_component(b);
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bgr[2] = (BYTE)(r * 255.0f);
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bgr[1] = (BYTE)(g * 255.0f);
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bgr[0] = (BYTE)(b * 255.0f);
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}
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#endif
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static inline FormatConverter *impl_from_IWICFormatConverter(IWICFormatConverter *iface)
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{
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return CONTAINING_RECORD(iface, FormatConverter, IWICFormatConverter_iface);
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}
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static HRESULT copypixels_to_32bppBGRA(struct FormatConverter *This, const WICRect *prc,
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UINT cbStride, UINT cbBufferSize, BYTE *pbBuffer, enum pixelformat source_format)
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{
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switch (source_format)
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{
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case format_1bppIndexed:
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case format_BlackWhite:
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if (prc)
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{
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HRESULT res;
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INT x, y;
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BYTE *srcdata;
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UINT srcstride, srcdatasize;
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const BYTE *srcrow;
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const BYTE *srcbyte;
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BYTE *dstrow;
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DWORD *dstpixel;
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WICColor colors[2];
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IWICPalette *palette;
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UINT actualcolors;
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res = PaletteImpl_Create(&palette);
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if (FAILED(res)) return res;
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if (source_format == format_1bppIndexed)
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res = IWICBitmapSource_CopyPalette(This->source, palette);
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else
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res = IWICPalette_InitializePredefined(palette, WICBitmapPaletteTypeFixedBW, FALSE);
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if (SUCCEEDED(res))
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res = IWICPalette_GetColors(palette, 2, colors, &actualcolors);
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IWICPalette_Release(palette);
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if (FAILED(res)) return res;
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srcstride = (prc->Width+7)/8;
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srcdatasize = srcstride * prc->Height;
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srcdata = HeapAlloc(GetProcessHeap(), 0, srcdatasize);
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if (!srcdata) return E_OUTOFMEMORY;
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res = IWICBitmapSource_CopyPixels(This->source, prc, srcstride, srcdatasize, srcdata);
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if (SUCCEEDED(res))
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{
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srcrow = srcdata;
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dstrow = pbBuffer;
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for (y=0; y<prc->Height; y++) {
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srcbyte = srcrow;
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dstpixel=(DWORD*)dstrow;
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for (x=0; x<prc->Width; x+=8) {
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BYTE srcval;
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srcval=*srcbyte++;
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*dstpixel++ = colors[srcval>>7&1];
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if (x+1 < prc->Width) *dstpixel++ = colors[srcval>>6&1];
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if (x+2 < prc->Width) *dstpixel++ = colors[srcval>>5&1];
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if (x+3 < prc->Width) *dstpixel++ = colors[srcval>>4&1];
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if (x+4 < prc->Width) *dstpixel++ = colors[srcval>>3&1];
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if (x+5 < prc->Width) *dstpixel++ = colors[srcval>>2&1];
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if (x+6 < prc->Width) *dstpixel++ = colors[srcval>>1&1];
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if (x+7 < prc->Width) *dstpixel++ = colors[srcval&1];
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}
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srcrow += srcstride;
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dstrow += cbStride;
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}
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}
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HeapFree(GetProcessHeap(), 0, srcdata);
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return res;
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}
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return S_OK;
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case format_2bppIndexed:
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case format_2bppGray:
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if (prc)
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{
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HRESULT res;
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INT x, y;
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BYTE *srcdata;
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UINT srcstride, srcdatasize;
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const BYTE *srcrow;
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const BYTE *srcbyte;
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BYTE *dstrow;
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DWORD *dstpixel;
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WICColor colors[4];
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IWICPalette *palette;
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UINT actualcolors;
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res = PaletteImpl_Create(&palette);
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if (FAILED(res)) return res;
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if (source_format == format_2bppIndexed)
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res = IWICBitmapSource_CopyPalette(This->source, palette);
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else
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res = IWICPalette_InitializePredefined(palette, WICBitmapPaletteTypeFixedGray4, FALSE);
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if (SUCCEEDED(res))
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res = IWICPalette_GetColors(palette, 4, colors, &actualcolors);
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IWICPalette_Release(palette);
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if (FAILED(res)) return res;
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srcstride = (prc->Width+3)/4;
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srcdatasize = srcstride * prc->Height;
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srcdata = HeapAlloc(GetProcessHeap(), 0, srcdatasize);
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if (!srcdata) return E_OUTOFMEMORY;
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res = IWICBitmapSource_CopyPixels(This->source, prc, srcstride, srcdatasize, srcdata);
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if (SUCCEEDED(res))
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{
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srcrow = srcdata;
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dstrow = pbBuffer;
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for (y=0; y<prc->Height; y++) {
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srcbyte = srcrow;
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dstpixel=(DWORD*)dstrow;
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for (x=0; x<prc->Width; x+=4) {
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BYTE srcval;
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srcval=*srcbyte++;
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*dstpixel++ = colors[srcval>>6];
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if (x+1 < prc->Width) *dstpixel++ = colors[srcval>>4&0x3];
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if (x+2 < prc->Width) *dstpixel++ = colors[srcval>>2&0x3];
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if (x+3 < prc->Width) *dstpixel++ = colors[srcval&0x3];
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}
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srcrow += srcstride;
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dstrow += cbStride;
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}
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}
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HeapFree(GetProcessHeap(), 0, srcdata);
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return res;
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}
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return S_OK;
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case format_4bppIndexed:
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case format_4bppGray:
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if (prc)
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{
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HRESULT res;
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INT x, y;
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BYTE *srcdata;
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UINT srcstride, srcdatasize;
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const BYTE *srcrow;
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const BYTE *srcbyte;
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BYTE *dstrow;
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DWORD *dstpixel;
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WICColor colors[16];
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IWICPalette *palette;
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UINT actualcolors;
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res = PaletteImpl_Create(&palette);
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if (FAILED(res)) return res;
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if (source_format == format_4bppIndexed)
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res = IWICBitmapSource_CopyPalette(This->source, palette);
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else
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res = IWICPalette_InitializePredefined(palette, WICBitmapPaletteTypeFixedGray16, FALSE);
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if (SUCCEEDED(res))
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res = IWICPalette_GetColors(palette, 16, colors, &actualcolors);
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IWICPalette_Release(palette);
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if (FAILED(res)) return res;
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srcstride = (prc->Width+1)/2;
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srcdatasize = srcstride * prc->Height;
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srcdata = HeapAlloc(GetProcessHeap(), 0, srcdatasize);
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if (!srcdata) return E_OUTOFMEMORY;
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res = IWICBitmapSource_CopyPixels(This->source, prc, srcstride, srcdatasize, srcdata);
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if (SUCCEEDED(res))
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{
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srcrow = srcdata;
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dstrow = pbBuffer;
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for (y=0; y<prc->Height; y++) {
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srcbyte = srcrow;
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dstpixel=(DWORD*)dstrow;
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for (x=0; x<prc->Width; x+=2) {
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BYTE srcval;
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srcval=*srcbyte++;
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*dstpixel++ = colors[srcval>>4];
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if (x+1 < prc->Width) *dstpixel++ = colors[srcval&0xf];
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}
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srcrow += srcstride;
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dstrow += cbStride;
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}
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}
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HeapFree(GetProcessHeap(), 0, srcdata);
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return res;
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}
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return S_OK;
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case format_8bppGray:
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if (prc)
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{
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HRESULT res;
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INT x, y;
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BYTE *srcdata;
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UINT srcstride, srcdatasize;
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const BYTE *srcrow;
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const BYTE *srcbyte;
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BYTE *dstrow;
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DWORD *dstpixel;
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srcstride = prc->Width;
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srcdatasize = srcstride * prc->Height;
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srcdata = HeapAlloc(GetProcessHeap(), 0, srcdatasize);
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if (!srcdata) return E_OUTOFMEMORY;
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res = IWICBitmapSource_CopyPixels(This->source, prc, srcstride, srcdatasize, srcdata);
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if (SUCCEEDED(res))
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{
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srcrow = srcdata;
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dstrow = pbBuffer;
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for (y=0; y<prc->Height; y++) {
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srcbyte = srcrow;
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dstpixel=(DWORD*)dstrow;
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for (x=0; x<prc->Width; x++)
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{
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*dstpixel++ = 0xff000000|(*srcbyte<<16)|(*srcbyte<<8)|*srcbyte;
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srcbyte++;
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}
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srcrow += srcstride;
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dstrow += cbStride;
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}
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}
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HeapFree(GetProcessHeap(), 0, srcdata);
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return res;
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}
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return S_OK;
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case format_8bppIndexed:
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if (prc)
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{
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HRESULT res;
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INT x, y;
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BYTE *srcdata;
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UINT srcstride, srcdatasize;
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const BYTE *srcrow;
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const BYTE *srcbyte;
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BYTE *dstrow;
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DWORD *dstpixel;
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WICColor colors[256];
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IWICPalette *palette;
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UINT actualcolors;
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res = PaletteImpl_Create(&palette);
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if (FAILED(res)) return res;
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res = IWICBitmapSource_CopyPalette(This->source, palette);
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if (SUCCEEDED(res))
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res = IWICPalette_GetColors(palette, 256, colors, &actualcolors);
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IWICPalette_Release(palette);
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if (FAILED(res)) return res;
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srcstride = prc->Width;
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srcdatasize = srcstride * prc->Height;
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srcdata = HeapAlloc(GetProcessHeap(), 0, srcdatasize);
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if (!srcdata) return E_OUTOFMEMORY;
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res = IWICBitmapSource_CopyPixels(This->source, prc, srcstride, srcdatasize, srcdata);
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if (SUCCEEDED(res))
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{
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srcrow = srcdata;
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dstrow = pbBuffer;
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for (y=0; y<prc->Height; y++) {
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srcbyte = srcrow;
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dstpixel=(DWORD*)dstrow;
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for (x=0; x<prc->Width; x++)
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*dstpixel++ = colors[*srcbyte++];
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srcrow += srcstride;
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dstrow += cbStride;
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}
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}
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HeapFree(GetProcessHeap(), 0, srcdata);
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return res;
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}
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return S_OK;
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case format_16bppGray:
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if (prc)
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{
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HRESULT res;
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INT x, y;
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BYTE *srcdata;
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UINT srcstride, srcdatasize;
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const BYTE *srcrow;
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const BYTE *srcbyte;
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BYTE *dstrow;
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DWORD *dstpixel;
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srcstride = prc->Width * 2;
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srcdatasize = srcstride * prc->Height;
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srcdata = HeapAlloc(GetProcessHeap(), 0, srcdatasize);
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if (!srcdata) return E_OUTOFMEMORY;
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res = IWICBitmapSource_CopyPixels(This->source, prc, srcstride, srcdatasize, srcdata);
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if (SUCCEEDED(res))
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{
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srcrow = srcdata;
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dstrow = pbBuffer;
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for (y=0; y<prc->Height; y++) {
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srcbyte = srcrow;
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dstpixel=(DWORD*)dstrow;
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for (x=0; x<prc->Width; x++)
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{
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srcbyte++;
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*dstpixel++ = 0xff000000|(*srcbyte<<16)|(*srcbyte<<8)|*srcbyte;
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srcbyte++;
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}
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srcrow += srcstride;
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dstrow += cbStride;
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}
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}
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HeapFree(GetProcessHeap(), 0, srcdata);
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return res;
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}
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return S_OK;
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case format_16bppBGR555:
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if (prc)
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{
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HRESULT res;
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INT x, y;
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BYTE *srcdata;
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UINT srcstride, srcdatasize;
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const BYTE *srcrow;
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const WORD *srcpixel;
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BYTE *dstrow;
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DWORD *dstpixel;
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srcstride = 2 * prc->Width;
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srcdatasize = srcstride * prc->Height;
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srcdata = HeapAlloc(GetProcessHeap(), 0, srcdatasize);
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if (!srcdata) return E_OUTOFMEMORY;
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res = IWICBitmapSource_CopyPixels(This->source, prc, srcstride, srcdatasize, srcdata);
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if (SUCCEEDED(res))
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{
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srcrow = srcdata;
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dstrow = pbBuffer;
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for (y=0; y<prc->Height; y++) {
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srcpixel=(const WORD*)srcrow;
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dstpixel=(DWORD*)dstrow;
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for (x=0; x<prc->Width; x++) {
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WORD srcval;
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srcval=*srcpixel++;
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*dstpixel++=0xff000000 | /* constant 255 alpha */
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((srcval << 9) & 0xf80000) | /* r */
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((srcval << 4) & 0x070000) | /* r - 3 bits */
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((srcval << 6) & 0x00f800) | /* g */
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((srcval << 1) & 0x000700) | /* g - 3 bits */
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((srcval << 3) & 0x0000f8) | /* b */
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((srcval >> 2) & 0x000007); /* b - 3 bits */
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}
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srcrow += srcstride;
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dstrow += cbStride;
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}
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}
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HeapFree(GetProcessHeap(), 0, srcdata);
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return res;
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}
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return S_OK;
|
|
case format_16bppBGR565:
|
|
if (prc)
|
|
{
|
|
HRESULT res;
|
|
INT x, y;
|
|
BYTE *srcdata;
|
|
UINT srcstride, srcdatasize;
|
|
const BYTE *srcrow;
|
|
const WORD *srcpixel;
|
|
BYTE *dstrow;
|
|
DWORD *dstpixel;
|
|
|
|
srcstride = 2 * prc->Width;
|
|
srcdatasize = srcstride * prc->Height;
|
|
|
|
srcdata = HeapAlloc(GetProcessHeap(), 0, srcdatasize);
|
|
if (!srcdata) return E_OUTOFMEMORY;
|
|
|
|
res = IWICBitmapSource_CopyPixels(This->source, prc, srcstride, srcdatasize, srcdata);
|
|
|
|
if (SUCCEEDED(res))
|
|
{
|
|
srcrow = srcdata;
|
|
dstrow = pbBuffer;
|
|
for (y=0; y<prc->Height; y++) {
|
|
srcpixel=(const WORD*)srcrow;
|
|
dstpixel=(DWORD*)dstrow;
|
|
for (x=0; x<prc->Width; x++) {
|
|
WORD srcval;
|
|
srcval=*srcpixel++;
|
|
*dstpixel++=0xff000000 | /* constant 255 alpha */
|
|
((srcval << 8) & 0xf80000) | /* r */
|
|
((srcval << 3) & 0x070000) | /* r - 3 bits */
|
|
((srcval << 5) & 0x00fc00) | /* g */
|
|
((srcval >> 1) & 0x000300) | /* g - 2 bits */
|
|
((srcval << 3) & 0x0000f8) | /* b */
|
|
((srcval >> 2) & 0x000007); /* b - 3 bits */
|
|
}
|
|
srcrow += srcstride;
|
|
dstrow += cbStride;
|
|
}
|
|
}
|
|
|
|
HeapFree(GetProcessHeap(), 0, srcdata);
|
|
|
|
return res;
|
|
}
|
|
return S_OK;
|
|
case format_16bppBGRA5551:
|
|
if (prc)
|
|
{
|
|
HRESULT res;
|
|
INT x, y;
|
|
BYTE *srcdata;
|
|
UINT srcstride, srcdatasize;
|
|
const BYTE *srcrow;
|
|
const WORD *srcpixel;
|
|
BYTE *dstrow;
|
|
DWORD *dstpixel;
|
|
|
|
srcstride = 2 * prc->Width;
|
|
srcdatasize = srcstride * prc->Height;
|
|
|
|
srcdata = HeapAlloc(GetProcessHeap(), 0, srcdatasize);
|
|
if (!srcdata) return E_OUTOFMEMORY;
|
|
|
|
res = IWICBitmapSource_CopyPixels(This->source, prc, srcstride, srcdatasize, srcdata);
|
|
|
|
if (SUCCEEDED(res))
|
|
{
|
|
srcrow = srcdata;
|
|
dstrow = pbBuffer;
|
|
for (y=0; y<prc->Height; y++) {
|
|
srcpixel=(const WORD*)srcrow;
|
|
dstpixel=(DWORD*)dstrow;
|
|
for (x=0; x<prc->Width; x++) {
|
|
WORD srcval;
|
|
srcval=*srcpixel++;
|
|
*dstpixel++=((srcval & 0x8000) ? 0xff000000 : 0) | /* alpha */
|
|
((srcval << 9) & 0xf80000) | /* r */
|
|
((srcval << 4) & 0x070000) | /* r - 3 bits */
|
|
((srcval << 6) & 0x00f800) | /* g */
|
|
((srcval << 1) & 0x000700) | /* g - 3 bits */
|
|
((srcval << 3) & 0x0000f8) | /* b */
|
|
((srcval >> 2) & 0x000007); /* b - 3 bits */
|
|
}
|
|
srcrow += srcstride;
|
|
dstrow += cbStride;
|
|
}
|
|
}
|
|
|
|
HeapFree(GetProcessHeap(), 0, srcdata);
|
|
|
|
return res;
|
|
}
|
|
return S_OK;
|
|
case format_24bppBGR:
|
|
if (prc)
|
|
{
|
|
HRESULT res;
|
|
INT x, y;
|
|
BYTE *srcdata;
|
|
UINT srcstride, srcdatasize;
|
|
const BYTE *srcrow;
|
|
const BYTE *srcpixel;
|
|
BYTE *dstrow;
|
|
BYTE *dstpixel;
|
|
|
|
srcstride = 3 * prc->Width;
|
|
srcdatasize = srcstride * prc->Height;
|
|
|
|
srcdata = HeapAlloc(GetProcessHeap(), 0, srcdatasize);
|
|
if (!srcdata) return E_OUTOFMEMORY;
|
|
|
|
res = IWICBitmapSource_CopyPixels(This->source, prc, srcstride, srcdatasize, srcdata);
|
|
|
|
if (SUCCEEDED(res))
|
|
{
|
|
srcrow = srcdata;
|
|
dstrow = pbBuffer;
|
|
for (y=0; y<prc->Height; y++) {
|
|
srcpixel=srcrow;
|
|
dstpixel=dstrow;
|
|
for (x=0; x<prc->Width; x++) {
|
|
*dstpixel++=*srcpixel++; /* blue */
|
|
*dstpixel++=*srcpixel++; /* green */
|
|
*dstpixel++=*srcpixel++; /* red */
|
|
*dstpixel++=255; /* alpha */
|
|
}
|
|
srcrow += srcstride;
|
|
dstrow += cbStride;
|
|
}
|
|
}
|
|
|
|
HeapFree(GetProcessHeap(), 0, srcdata);
|
|
|
|
return res;
|
|
}
|
|
return S_OK;
|
|
case format_24bppRGB:
|
|
if (prc)
|
|
{
|
|
HRESULT res;
|
|
INT x, y;
|
|
BYTE *srcdata;
|
|
UINT srcstride, srcdatasize;
|
|
const BYTE *srcrow;
|
|
const BYTE *srcpixel;
|
|
BYTE *dstrow;
|
|
BYTE *dstpixel;
|
|
BYTE tmppixel[3];
|
|
|
|
srcstride = 3 * prc->Width;
|
|
srcdatasize = srcstride * prc->Height;
|
|
|
|
srcdata = HeapAlloc(GetProcessHeap(), 0, srcdatasize);
|
|
if (!srcdata) return E_OUTOFMEMORY;
|
|
|
|
res = IWICBitmapSource_CopyPixels(This->source, prc, srcstride, srcdatasize, srcdata);
|
|
|
|
if (SUCCEEDED(res))
|
|
{
|
|
srcrow = srcdata;
|
|
dstrow = pbBuffer;
|
|
for (y=0; y<prc->Height; y++) {
|
|
srcpixel=srcrow;
|
|
dstpixel=dstrow;
|
|
for (x=0; x<prc->Width; x++) {
|
|
tmppixel[0]=*srcpixel++; /* red */
|
|
tmppixel[1]=*srcpixel++; /* green */
|
|
tmppixel[2]=*srcpixel++; /* blue */
|
|
|
|
*dstpixel++=tmppixel[2]; /* blue */
|
|
*dstpixel++=tmppixel[1]; /* green */
|
|
*dstpixel++=tmppixel[0]; /* red */
|
|
*dstpixel++=255; /* alpha */
|
|
}
|
|
srcrow += srcstride;
|
|
dstrow += cbStride;
|
|
}
|
|
}
|
|
|
|
HeapFree(GetProcessHeap(), 0, srcdata);
|
|
|
|
return res;
|
|
}
|
|
return S_OK;
|
|
case format_32bppBGR:
|
|
if (prc)
|
|
{
|
|
HRESULT res;
|
|
INT x, y;
|
|
|
|
res = IWICBitmapSource_CopyPixels(This->source, prc, cbStride, cbBufferSize, pbBuffer);
|
|
if (FAILED(res)) return res;
|
|
|
|
/* set all alpha values to 255 */
|
|
for (y=0; y<prc->Height; y++)
|
|
for (x=0; x<prc->Width; x++)
|
|
pbBuffer[cbStride*y+4*x+3] = 0xff;
|
|
}
|
|
return S_OK;
|
|
case format_32bppRGBA:
|
|
if (prc)
|
|
{
|
|
HRESULT res;
|
|
res = IWICBitmapSource_CopyPixels(This->source, prc, cbStride, cbBufferSize, pbBuffer);
|
|
if (FAILED(res)) return res;
|
|
reverse_bgr8(4, pbBuffer, prc->Width, prc->Height, cbStride);
|
|
}
|
|
return S_OK;
|
|
case format_32bppBGRA:
|
|
if (prc)
|
|
return IWICBitmapSource_CopyPixels(This->source, prc, cbStride, cbBufferSize, pbBuffer);
|
|
return S_OK;
|
|
case format_32bppPBGRA:
|
|
if (prc)
|
|
{
|
|
HRESULT res;
|
|
INT x, y;
|
|
|
|
res = IWICBitmapSource_CopyPixels(This->source, prc, cbStride, cbBufferSize, pbBuffer);
|
|
if (FAILED(res)) return res;
|
|
|
|
for (y=0; y<prc->Height; y++)
|
|
for (x=0; x<prc->Width; x++)
|
|
{
|
|
BYTE alpha = pbBuffer[cbStride*y+4*x+3];
|
|
if (alpha != 0 && alpha != 255)
|
|
{
|
|
pbBuffer[cbStride*y+4*x] = pbBuffer[cbStride*y+4*x] * 255 / alpha;
|
|
pbBuffer[cbStride*y+4*x+1] = pbBuffer[cbStride*y+4*x+1] * 255 / alpha;
|
|
pbBuffer[cbStride*y+4*x+2] = pbBuffer[cbStride*y+4*x+2] * 255 / alpha;
|
|
}
|
|
}
|
|
}
|
|
return S_OK;
|
|
case format_48bppRGB:
|
|
if (prc)
|
|
{
|
|
HRESULT res;
|
|
INT x, y;
|
|
BYTE *srcdata;
|
|
UINT srcstride, srcdatasize;
|
|
const BYTE *srcrow;
|
|
const BYTE *srcpixel;
|
|
BYTE *dstrow;
|
|
DWORD *dstpixel;
|
|
|
|
srcstride = 6 * prc->Width;
|
|
srcdatasize = srcstride * prc->Height;
|
|
|
|
srcdata = HeapAlloc(GetProcessHeap(), 0, srcdatasize);
|
|
if (!srcdata) return E_OUTOFMEMORY;
|
|
|
|
res = IWICBitmapSource_CopyPixels(This->source, prc, srcstride, srcdatasize, srcdata);
|
|
|
|
if (SUCCEEDED(res))
|
|
{
|
|
srcrow = srcdata;
|
|
dstrow = pbBuffer;
|
|
for (y=0; y<prc->Height; y++) {
|
|
srcpixel=srcrow;
|
|
dstpixel=(DWORD*)dstrow;
|
|
for (x=0; x<prc->Width; x++) {
|
|
BYTE red, green, blue;
|
|
srcpixel++; red = *srcpixel++;
|
|
srcpixel++; green = *srcpixel++;
|
|
srcpixel++; blue = *srcpixel++;
|
|
*dstpixel++=0xff000000|red<<16|green<<8|blue;
|
|
}
|
|
srcrow += srcstride;
|
|
dstrow += cbStride;
|
|
}
|
|
}
|
|
|
|
HeapFree(GetProcessHeap(), 0, srcdata);
|
|
|
|
return res;
|
|
}
|
|
return S_OK;
|
|
case format_64bppRGBA:
|
|
if (prc)
|
|
{
|
|
HRESULT res;
|
|
INT x, y;
|
|
BYTE *srcdata;
|
|
UINT srcstride, srcdatasize;
|
|
const BYTE *srcrow;
|
|
const BYTE *srcpixel;
|
|
BYTE *dstrow;
|
|
DWORD *dstpixel;
|
|
|
|
srcstride = 8 * prc->Width;
|
|
srcdatasize = srcstride * prc->Height;
|
|
|
|
srcdata = HeapAlloc(GetProcessHeap(), 0, srcdatasize);
|
|
if (!srcdata) return E_OUTOFMEMORY;
|
|
|
|
res = IWICBitmapSource_CopyPixels(This->source, prc, srcstride, srcdatasize, srcdata);
|
|
|
|
if (SUCCEEDED(res))
|
|
{
|
|
srcrow = srcdata;
|
|
dstrow = pbBuffer;
|
|
for (y=0; y<prc->Height; y++) {
|
|
srcpixel=srcrow;
|
|
dstpixel=(DWORD*)dstrow;
|
|
for (x=0; x<prc->Width; x++) {
|
|
BYTE red, green, blue, alpha;
|
|
srcpixel++; red = *srcpixel++;
|
|
srcpixel++; green = *srcpixel++;
|
|
srcpixel++; blue = *srcpixel++;
|
|
srcpixel++; alpha = *srcpixel++;
|
|
*dstpixel++=alpha<<24|red<<16|green<<8|blue;
|
|
}
|
|
srcrow += srcstride;
|
|
dstrow += cbStride;
|
|
}
|
|
}
|
|
|
|
HeapFree(GetProcessHeap(), 0, srcdata);
|
|
|
|
return res;
|
|
}
|
|
return S_OK;
|
|
case format_32bppCMYK:
|
|
if (prc)
|
|
{
|
|
HRESULT res;
|
|
UINT x, y;
|
|
|
|
res = IWICBitmapSource_CopyPixels(This->source, prc, cbStride, cbBufferSize, pbBuffer);
|
|
if (FAILED(res)) return res;
|
|
|
|
for (y=0; y<prc->Height; y++)
|
|
for (x=0; x<prc->Width; x++)
|
|
{
|
|
BYTE *pixel = pbBuffer+cbStride*y+4*x;
|
|
BYTE c=pixel[0], m=pixel[1], y=pixel[2], k=pixel[3];
|
|
pixel[0] = (255-y)*(255-k)/255; /* blue */
|
|
pixel[1] = (255-m)*(255-k)/255; /* green */
|
|
pixel[2] = (255-c)*(255-k)/255; /* red */
|
|
pixel[3] = 255; /* alpha */
|
|
}
|
|
}
|
|
return S_OK;
|
|
default:
|
|
FIXME("Unimplemented conversion path!\n");
|
|
return WINCODEC_ERR_UNSUPPORTEDOPERATION;
|
|
}
|
|
}
|
|
|
|
static HRESULT copypixels_to_32bppRGBA(struct FormatConverter *This, const WICRect *prc,
|
|
UINT cbStride, UINT cbBufferSize, BYTE *pbBuffer, enum pixelformat source_format)
|
|
{
|
|
HRESULT hr;
|
|
|
|
switch (source_format)
|
|
{
|
|
case format_32bppRGB:
|
|
if (prc)
|
|
{
|
|
INT x, y;
|
|
|
|
hr = IWICBitmapSource_CopyPixels(This->source, prc, cbStride, cbBufferSize, pbBuffer);
|
|
if (FAILED(hr)) return hr;
|
|
|
|
/* set all alpha values to 255 */
|
|
for (y=0; y<prc->Height; y++)
|
|
for (x=0; x<prc->Width; x++)
|
|
pbBuffer[cbStride*y+4*x+3] = 0xff;
|
|
}
|
|
return S_OK;
|
|
|
|
case format_32bppRGBA:
|
|
if (prc)
|
|
return IWICBitmapSource_CopyPixels(This->source, prc, cbStride, cbBufferSize, pbBuffer);
|
|
return S_OK;
|
|
|
|
case format_32bppPRGBA:
|
|
if (prc)
|
|
{
|
|
INT x, y;
|
|
|
|
hr = IWICBitmapSource_CopyPixels(This->source, prc, cbStride, cbBufferSize, pbBuffer);
|
|
if (FAILED(hr)) return hr;
|
|
|
|
for (y=0; y<prc->Height; y++)
|
|
for (x=0; x<prc->Width; x++)
|
|
{
|
|
BYTE alpha = pbBuffer[cbStride*y+4*x+3];
|
|
if (alpha != 0 && alpha != 255)
|
|
{
|
|
pbBuffer[cbStride*y+4*x] = pbBuffer[cbStride*y+4*x] * 255 / alpha;
|
|
pbBuffer[cbStride*y+4*x+1] = pbBuffer[cbStride*y+4*x+1] * 255 / alpha;
|
|
pbBuffer[cbStride*y+4*x+2] = pbBuffer[cbStride*y+4*x+2] * 255 / alpha;
|
|
}
|
|
}
|
|
}
|
|
return S_OK;
|
|
|
|
default:
|
|
hr = copypixels_to_32bppBGRA(This, prc, cbStride, cbBufferSize, pbBuffer, source_format);
|
|
if (SUCCEEDED(hr) && prc)
|
|
reverse_bgr8(4, pbBuffer, prc->Width, prc->Height, cbStride);
|
|
return hr;
|
|
}
|
|
}
|
|
|
|
static HRESULT copypixels_to_32bppBGR(struct FormatConverter *This, const WICRect *prc,
|
|
UINT cbStride, UINT cbBufferSize, BYTE *pbBuffer, enum pixelformat source_format)
|
|
{
|
|
switch (source_format)
|
|
{
|
|
case format_32bppBGR:
|
|
case format_32bppBGRA:
|
|
case format_32bppPBGRA:
|
|
if (prc)
|
|
return IWICBitmapSource_CopyPixels(This->source, prc, cbStride, cbBufferSize, pbBuffer);
|
|
return S_OK;
|
|
default:
|
|
return copypixels_to_32bppBGRA(This, prc, cbStride, cbBufferSize, pbBuffer, source_format);
|
|
}
|
|
}
|
|
|
|
static HRESULT copypixels_to_32bppRGB(struct FormatConverter *This, const WICRect *prc,
|
|
UINT cbStride, UINT cbBufferSize, BYTE *pbBuffer, enum pixelformat source_format)
|
|
{
|
|
switch (source_format)
|
|
{
|
|
case format_32bppRGB:
|
|
case format_32bppRGBA:
|
|
case format_32bppPRGBA:
|
|
if (prc)
|
|
return IWICBitmapSource_CopyPixels(This->source, prc, cbStride, cbBufferSize, pbBuffer);
|
|
return S_OK;
|
|
default:
|
|
return copypixels_to_32bppRGBA(This, prc, cbStride, cbBufferSize, pbBuffer, source_format);
|
|
}
|
|
}
|
|
|
|
static HRESULT copypixels_to_32bppPBGRA(struct FormatConverter *This, const WICRect *prc,
|
|
UINT cbStride, UINT cbBufferSize, BYTE *pbBuffer, enum pixelformat source_format)
|
|
{
|
|
HRESULT hr;
|
|
|
|
switch (source_format)
|
|
{
|
|
case format_32bppPBGRA:
|
|
if (prc)
|
|
return IWICBitmapSource_CopyPixels(This->source, prc, cbStride, cbBufferSize, pbBuffer);
|
|
return S_OK;
|
|
default:
|
|
hr = copypixels_to_32bppBGRA(This, prc, cbStride, cbBufferSize, pbBuffer, source_format);
|
|
if (SUCCEEDED(hr) && prc)
|
|
{
|
|
INT x, y;
|
|
|
|
for (y=0; y<prc->Height; y++)
|
|
for (x=0; x<prc->Width; x++)
|
|
{
|
|
BYTE alpha = pbBuffer[cbStride*y+4*x+3];
|
|
if (alpha != 255)
|
|
{
|
|
pbBuffer[cbStride*y+4*x] = pbBuffer[cbStride*y+4*x] * alpha / 255;
|
|
pbBuffer[cbStride*y+4*x+1] = pbBuffer[cbStride*y+4*x+1] * alpha / 255;
|
|
pbBuffer[cbStride*y+4*x+2] = pbBuffer[cbStride*y+4*x+2] * alpha / 255;
|
|
}
|
|
}
|
|
}
|
|
return hr;
|
|
}
|
|
}
|
|
|
|
static HRESULT copypixels_to_32bppPRGBA(struct FormatConverter *This, const WICRect *prc,
|
|
UINT cbStride, UINT cbBufferSize, BYTE *pbBuffer, enum pixelformat source_format)
|
|
{
|
|
HRESULT hr;
|
|
|
|
switch (source_format)
|
|
{
|
|
case format_32bppPRGBA:
|
|
if (prc)
|
|
return IWICBitmapSource_CopyPixels(This->source, prc, cbStride, cbBufferSize, pbBuffer);
|
|
return S_OK;
|
|
default:
|
|
hr = copypixels_to_32bppRGBA(This, prc, cbStride, cbBufferSize, pbBuffer, source_format);
|
|
if (SUCCEEDED(hr) && prc)
|
|
{
|
|
INT x, y;
|
|
|
|
for (y=0; y<prc->Height; y++)
|
|
for (x=0; x<prc->Width; x++)
|
|
{
|
|
BYTE alpha = pbBuffer[cbStride*y+4*x+3];
|
|
if (alpha != 255)
|
|
{
|
|
pbBuffer[cbStride*y+4*x] = pbBuffer[cbStride*y+4*x] * alpha / 255;
|
|
pbBuffer[cbStride*y+4*x+1] = pbBuffer[cbStride*y+4*x+1] * alpha / 255;
|
|
pbBuffer[cbStride*y+4*x+2] = pbBuffer[cbStride*y+4*x+2] * alpha / 255;
|
|
}
|
|
}
|
|
}
|
|
return hr;
|
|
}
|
|
}
|
|
|
|
static HRESULT copypixels_to_24bppBGR(struct FormatConverter *This, const WICRect *prc,
|
|
UINT cbStride, UINT cbBufferSize, BYTE *pbBuffer, enum pixelformat source_format)
|
|
{
|
|
HRESULT hr;
|
|
|
|
switch (source_format)
|
|
{
|
|
case format_24bppBGR:
|
|
case format_24bppRGB:
|
|
if (prc)
|
|
{
|
|
hr = IWICBitmapSource_CopyPixels(This->source, prc, cbStride, cbBufferSize, pbBuffer);
|
|
if (SUCCEEDED(hr) && source_format == format_24bppRGB)
|
|
reverse_bgr8(3, pbBuffer, prc->Width, prc->Height, cbStride);
|
|
return hr;
|
|
}
|
|
return S_OK;
|
|
case format_32bppBGR:
|
|
case format_32bppBGRA:
|
|
case format_32bppPBGRA:
|
|
case format_32bppRGBA:
|
|
if (prc)
|
|
{
|
|
HRESULT res;
|
|
INT x, y;
|
|
BYTE *srcdata;
|
|
UINT srcstride, srcdatasize;
|
|
const BYTE *srcrow;
|
|
const BYTE *srcpixel;
|
|
BYTE *dstrow;
|
|
BYTE *dstpixel;
|
|
|
|
srcstride = 4 * prc->Width;
|
|
srcdatasize = srcstride * prc->Height;
|
|
|
|
srcdata = HeapAlloc(GetProcessHeap(), 0, srcdatasize);
|
|
if (!srcdata) return E_OUTOFMEMORY;
|
|
|
|
res = IWICBitmapSource_CopyPixels(This->source, prc, srcstride, srcdatasize, srcdata);
|
|
|
|
if (SUCCEEDED(res))
|
|
{
|
|
srcrow = srcdata;
|
|
dstrow = pbBuffer;
|
|
|
|
if (source_format == format_32bppRGBA)
|
|
{
|
|
for (y = 0; y < prc->Height; y++)
|
|
{
|
|
srcpixel = srcrow;
|
|
dstpixel = dstrow;
|
|
for (x = 0; x < prc->Width; x++) {
|
|
*dstpixel++ = srcpixel[2]; /* blue */
|
|
*dstpixel++ = srcpixel[1]; /* green */
|
|
*dstpixel++ = srcpixel[0]; /* red */
|
|
srcpixel += 4;
|
|
}
|
|
srcrow += srcstride;
|
|
dstrow += cbStride;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for (y = 0; y < prc->Height; y++)
|
|
{
|
|
srcpixel = srcrow;
|
|
dstpixel = dstrow;
|
|
for (x = 0; x < prc->Width; x++) {
|
|
*dstpixel++ = *srcpixel++; /* blue */
|
|
*dstpixel++ = *srcpixel++; /* green */
|
|
*dstpixel++ = *srcpixel++; /* red */
|
|
srcpixel++; /* alpha */
|
|
}
|
|
srcrow += srcstride;
|
|
dstrow += cbStride;
|
|
}
|
|
}
|
|
}
|
|
|
|
HeapFree(GetProcessHeap(), 0, srcdata);
|
|
|
|
return res;
|
|
}
|
|
return S_OK;
|
|
|
|
case format_32bppGrayFloat:
|
|
if (prc)
|
|
{
|
|
BYTE *srcdata;
|
|
UINT srcstride, srcdatasize;
|
|
|
|
srcstride = 4 * prc->Width;
|
|
srcdatasize = srcstride * prc->Height;
|
|
|
|
srcdata = HeapAlloc(GetProcessHeap(), 0, srcdatasize);
|
|
if (!srcdata) return E_OUTOFMEMORY;
|
|
|
|
hr = IWICBitmapSource_CopyPixels(This->source, prc, srcstride, srcdatasize, srcdata);
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
INT x, y;
|
|
BYTE *src = srcdata, *dst = pbBuffer;
|
|
|
|
for (y = 0; y < prc->Height; y++)
|
|
{
|
|
float *gray_float = (float *)src;
|
|
BYTE *bgr = dst;
|
|
|
|
for (x = 0; x < prc->Width; x++)
|
|
{
|
|
BYTE gray = (BYTE)floorf(to_sRGB_component(gray_float[x]) * 255.0f + 0.51f);
|
|
*bgr++ = gray;
|
|
*bgr++ = gray;
|
|
*bgr++ = gray;
|
|
}
|
|
src += srcstride;
|
|
dst += cbStride;
|
|
}
|
|
}
|
|
|
|
HeapFree(GetProcessHeap(), 0, srcdata);
|
|
|
|
return hr;
|
|
}
|
|
return S_OK;
|
|
|
|
case format_32bppCMYK:
|
|
if (prc)
|
|
{
|
|
BYTE *srcdata;
|
|
UINT srcstride, srcdatasize;
|
|
|
|
srcstride = 4 * prc->Width;
|
|
srcdatasize = srcstride * prc->Height;
|
|
|
|
srcdata = heap_alloc(srcdatasize);
|
|
if (!srcdata) return E_OUTOFMEMORY;
|
|
|
|
hr = IWICBitmapSource_CopyPixels(This->source, prc, srcstride, srcdatasize, srcdata);
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
INT x, y;
|
|
BYTE *src = srcdata, *dst = pbBuffer;
|
|
|
|
for (y = 0; y < prc->Height; y++)
|
|
{
|
|
BYTE *cmyk = src;
|
|
BYTE *bgr = dst;
|
|
|
|
for (x = 0; x < prc->Width; x++)
|
|
{
|
|
BYTE c = cmyk[0], m = cmyk[1], y = cmyk[2], k = cmyk[3];
|
|
bgr[0] = (255 - y) * (255 - k) / 255; /* B */
|
|
bgr[1] = (255 - m) * (255 - k) / 255; /* G */
|
|
bgr[2] = (255 - c) * (255 - k) / 255; /* R */
|
|
cmyk += 4;
|
|
bgr += 3;
|
|
}
|
|
src += srcstride;
|
|
dst += cbStride;
|
|
}
|
|
}
|
|
|
|
heap_free(srcdata);
|
|
return hr;
|
|
}
|
|
return S_OK;
|
|
|
|
default:
|
|
FIXME("Unimplemented conversion path!\n");
|
|
return WINCODEC_ERR_UNSUPPORTEDOPERATION;
|
|
}
|
|
}
|
|
|
|
static HRESULT copypixels_to_24bppRGB(struct FormatConverter *This, const WICRect *prc,
|
|
UINT cbStride, UINT cbBufferSize, BYTE *pbBuffer, enum pixelformat source_format)
|
|
{
|
|
HRESULT hr;
|
|
|
|
switch (source_format)
|
|
{
|
|
case format_24bppBGR:
|
|
case format_24bppRGB:
|
|
if (prc)
|
|
{
|
|
hr = IWICBitmapSource_CopyPixels(This->source, prc, cbStride, cbBufferSize, pbBuffer);
|
|
if (SUCCEEDED(hr) && source_format == format_24bppBGR)
|
|
reverse_bgr8(3, pbBuffer, prc->Width, prc->Height, cbStride);
|
|
return hr;
|
|
}
|
|
return S_OK;
|
|
case format_32bppBGR:
|
|
case format_32bppBGRA:
|
|
case format_32bppPBGRA:
|
|
if (prc)
|
|
{
|
|
HRESULT res;
|
|
INT x, y;
|
|
BYTE *srcdata;
|
|
UINT srcstride, srcdatasize;
|
|
const BYTE *srcrow;
|
|
const BYTE *srcpixel;
|
|
BYTE *dstrow;
|
|
BYTE *dstpixel;
|
|
BYTE tmppixel[3];
|
|
|
|
srcstride = 4 * prc->Width;
|
|
srcdatasize = srcstride * prc->Height;
|
|
|
|
srcdata = HeapAlloc(GetProcessHeap(), 0, srcdatasize);
|
|
if (!srcdata) return E_OUTOFMEMORY;
|
|
|
|
res = IWICBitmapSource_CopyPixels(This->source, prc, srcstride, srcdatasize, srcdata);
|
|
|
|
if (SUCCEEDED(res))
|
|
{
|
|
srcrow = srcdata;
|
|
dstrow = pbBuffer;
|
|
for (y=0; y<prc->Height; y++) {
|
|
srcpixel=srcrow;
|
|
dstpixel=dstrow;
|
|
for (x=0; x<prc->Width; x++) {
|
|
tmppixel[0]=*srcpixel++; /* blue */
|
|
tmppixel[1]=*srcpixel++; /* green */
|
|
tmppixel[2]=*srcpixel++; /* red */
|
|
srcpixel++; /* alpha */
|
|
|
|
*dstpixel++=tmppixel[2]; /* red */
|
|
*dstpixel++=tmppixel[1]; /* green */
|
|
*dstpixel++=tmppixel[0]; /* blue */
|
|
}
|
|
srcrow += srcstride;
|
|
dstrow += cbStride;
|
|
}
|
|
}
|
|
|
|
HeapFree(GetProcessHeap(), 0, srcdata);
|
|
|
|
return res;
|
|
}
|
|
return S_OK;
|
|
default:
|
|
FIXME("Unimplemented conversion path!\n");
|
|
return WINCODEC_ERR_UNSUPPORTEDOPERATION;
|
|
}
|
|
}
|
|
|
|
static HRESULT copypixels_to_32bppGrayFloat(struct FormatConverter *This, const WICRect *prc,
|
|
UINT cbStride, UINT cbBufferSize, BYTE *pbBuffer, enum pixelformat source_format)
|
|
{
|
|
HRESULT hr;
|
|
|
|
switch (source_format)
|
|
{
|
|
case format_32bppBGR:
|
|
case format_32bppBGRA:
|
|
case format_32bppPBGRA:
|
|
case format_32bppGrayFloat:
|
|
if (prc)
|
|
{
|
|
hr = IWICBitmapSource_CopyPixels(This->source, prc, cbStride, cbBufferSize, pbBuffer);
|
|
break;
|
|
}
|
|
return S_OK;
|
|
|
|
default:
|
|
hr = copypixels_to_32bppBGRA(This, prc, cbStride, cbBufferSize, pbBuffer, source_format);
|
|
break;
|
|
}
|
|
|
|
if (SUCCEEDED(hr) && prc && source_format != format_32bppGrayFloat)
|
|
{
|
|
INT x, y;
|
|
BYTE *p = pbBuffer;
|
|
|
|
for (y = 0; y < prc->Height; y++)
|
|
{
|
|
BYTE *bgr = p;
|
|
for (x = 0; x < prc->Width; x++)
|
|
{
|
|
float gray = (bgr[2] * 0.2126f + bgr[1] * 0.7152f + bgr[0] * 0.0722f) / 255.0f;
|
|
*(float *)bgr = gray;
|
|
bgr += 4;
|
|
}
|
|
p += cbStride;
|
|
}
|
|
}
|
|
return hr;
|
|
}
|
|
|
|
static HRESULT copypixels_to_8bppGray(struct FormatConverter *This, const WICRect *prc,
|
|
UINT cbStride, UINT cbBufferSize, BYTE *pbBuffer, enum pixelformat source_format)
|
|
{
|
|
HRESULT hr;
|
|
BYTE *srcdata;
|
|
UINT srcstride, srcdatasize;
|
|
|
|
if (source_format == format_8bppGray)
|
|
{
|
|
if (prc)
|
|
return IWICBitmapSource_CopyPixels(This->source, prc, cbStride, cbBufferSize, pbBuffer);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
if (source_format == format_32bppGrayFloat)
|
|
{
|
|
hr = S_OK;
|
|
|
|
if (prc)
|
|
{
|
|
srcstride = 4 * prc->Width;
|
|
srcdatasize = srcstride * prc->Height;
|
|
|
|
srcdata = HeapAlloc(GetProcessHeap(), 0, srcdatasize);
|
|
if (!srcdata) return E_OUTOFMEMORY;
|
|
|
|
hr = IWICBitmapSource_CopyPixels(This->source, prc, srcstride, srcdatasize, srcdata);
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
INT x, y;
|
|
BYTE *src = srcdata, *dst = pbBuffer;
|
|
|
|
for (y=0; y < prc->Height; y++)
|
|
{
|
|
float *srcpixel = (float*)src;
|
|
BYTE *dstpixel = dst;
|
|
|
|
for (x=0; x < prc->Width; x++)
|
|
*dstpixel++ = (BYTE)floorf(to_sRGB_component(*srcpixel++) * 255.0f + 0.51f);
|
|
|
|
src += srcstride;
|
|
dst += cbStride;
|
|
}
|
|
}
|
|
|
|
HeapFree(GetProcessHeap(), 0, srcdata);
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
if (!prc)
|
|
return copypixels_to_24bppBGR(This, NULL, cbStride, cbBufferSize, pbBuffer, source_format);
|
|
|
|
srcstride = 3 * prc->Width;
|
|
srcdatasize = srcstride * prc->Height;
|
|
|
|
srcdata = HeapAlloc(GetProcessHeap(), 0, srcdatasize);
|
|
if (!srcdata) return E_OUTOFMEMORY;
|
|
|
|
hr = copypixels_to_24bppBGR(This, prc, srcstride, srcdatasize, srcdata, source_format);
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
INT x, y;
|
|
BYTE *src = srcdata, *dst = pbBuffer;
|
|
|
|
for (y = 0; y < prc->Height; y++)
|
|
{
|
|
BYTE *bgr = src;
|
|
|
|
for (x = 0; x < prc->Width; x++)
|
|
{
|
|
float gray = (bgr[2] * 0.2126f + bgr[1] * 0.7152f + bgr[0] * 0.0722f) / 255.0f;
|
|
|
|
gray = to_sRGB_component(gray) * 255.0f;
|
|
dst[x] = (BYTE)floorf(gray + 0.51f);
|
|
bgr += 3;
|
|
}
|
|
src += srcstride;
|
|
dst += cbStride;
|
|
}
|
|
}
|
|
|
|
HeapFree(GetProcessHeap(), 0, srcdata);
|
|
return hr;
|
|
}
|
|
|
|
static UINT rgb_to_palette_index(BYTE bgr[3], WICColor *colors, UINT count)
|
|
{
|
|
UINT best_diff, best_index, i;
|
|
|
|
best_diff = ~0;
|
|
best_index = 0;
|
|
|
|
for (i = 0; i < count; i++)
|
|
{
|
|
BYTE pal_r, pal_g, pal_b;
|
|
UINT diff_r, diff_g, diff_b, diff;
|
|
|
|
pal_r = colors[i] >> 16;
|
|
pal_g = colors[i] >> 8;
|
|
pal_b = colors[i];
|
|
|
|
diff_r = bgr[2] - pal_r;
|
|
diff_g = bgr[1] - pal_g;
|
|
diff_b = bgr[0] - pal_b;
|
|
|
|
diff = diff_r * diff_r + diff_g * diff_g + diff_b * diff_b;
|
|
if (diff == 0) return i;
|
|
|
|
if (diff < best_diff)
|
|
{
|
|
best_diff = diff;
|
|
best_index = i;
|
|
}
|
|
}
|
|
|
|
return best_index;
|
|
}
|
|
|
|
static HRESULT copypixels_to_8bppIndexed(struct FormatConverter *This, const WICRect *prc,
|
|
UINT cbStride, UINT cbBufferSize, BYTE *pbBuffer, enum pixelformat source_format)
|
|
{
|
|
HRESULT hr;
|
|
BYTE *srcdata;
|
|
WICColor colors[256];
|
|
UINT srcstride, srcdatasize, count;
|
|
|
|
if (source_format == format_8bppIndexed)
|
|
{
|
|
if (prc)
|
|
return IWICBitmapSource_CopyPixels(This->source, prc, cbStride, cbBufferSize, pbBuffer);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
if (!prc)
|
|
return copypixels_to_24bppBGR(This, NULL, cbStride, cbBufferSize, pbBuffer, source_format);
|
|
|
|
if (!This->palette) return WINCODEC_ERR_WRONGSTATE;
|
|
|
|
hr = IWICPalette_GetColors(This->palette, 256, colors, &count);
|
|
if (hr != S_OK) return hr;
|
|
|
|
srcstride = 3 * prc->Width;
|
|
srcdatasize = srcstride * prc->Height;
|
|
|
|
srcdata = HeapAlloc(GetProcessHeap(), 0, srcdatasize);
|
|
if (!srcdata) return E_OUTOFMEMORY;
|
|
|
|
hr = copypixels_to_24bppBGR(This, prc, srcstride, srcdatasize, srcdata, source_format);
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
INT x, y;
|
|
BYTE *src = srcdata, *dst = pbBuffer;
|
|
|
|
for (y = 0; y < prc->Height; y++)
|
|
{
|
|
BYTE *bgr = src;
|
|
|
|
for (x = 0; x < prc->Width; x++)
|
|
{
|
|
dst[x] = rgb_to_palette_index(bgr, colors, count);
|
|
bgr += 3;
|
|
}
|
|
src += srcstride;
|
|
dst += cbStride;
|
|
}
|
|
}
|
|
|
|
HeapFree(GetProcessHeap(), 0, srcdata);
|
|
return hr;
|
|
}
|
|
|
|
static const struct pixelformatinfo supported_formats[] = {
|
|
{format_1bppIndexed, &GUID_WICPixelFormat1bppIndexed, NULL},
|
|
{format_2bppIndexed, &GUID_WICPixelFormat2bppIndexed, NULL},
|
|
{format_4bppIndexed, &GUID_WICPixelFormat4bppIndexed, NULL},
|
|
{format_8bppIndexed, &GUID_WICPixelFormat8bppIndexed, copypixels_to_8bppIndexed},
|
|
{format_BlackWhite, &GUID_WICPixelFormatBlackWhite, NULL},
|
|
{format_2bppGray, &GUID_WICPixelFormat2bppGray, NULL},
|
|
{format_4bppGray, &GUID_WICPixelFormat4bppGray, NULL},
|
|
{format_8bppGray, &GUID_WICPixelFormat8bppGray, copypixels_to_8bppGray},
|
|
{format_16bppGray, &GUID_WICPixelFormat16bppGray, NULL},
|
|
{format_16bppBGR555, &GUID_WICPixelFormat16bppBGR555, NULL},
|
|
{format_16bppBGR565, &GUID_WICPixelFormat16bppBGR565, NULL},
|
|
{format_16bppBGRA5551, &GUID_WICPixelFormat16bppBGRA5551, NULL},
|
|
{format_24bppBGR, &GUID_WICPixelFormat24bppBGR, copypixels_to_24bppBGR},
|
|
{format_24bppRGB, &GUID_WICPixelFormat24bppRGB, copypixels_to_24bppRGB},
|
|
{format_32bppGrayFloat, &GUID_WICPixelFormat32bppGrayFloat, copypixels_to_32bppGrayFloat},
|
|
{format_32bppBGR, &GUID_WICPixelFormat32bppBGR, copypixels_to_32bppBGR},
|
|
{format_32bppRGB, &GUID_WICPixelFormat32bppRGB, copypixels_to_32bppRGB},
|
|
{format_32bppBGRA, &GUID_WICPixelFormat32bppBGRA, copypixels_to_32bppBGRA},
|
|
{format_32bppRGBA, &GUID_WICPixelFormat32bppRGBA, copypixels_to_32bppRGBA},
|
|
{format_32bppPBGRA, &GUID_WICPixelFormat32bppPBGRA, copypixels_to_32bppPBGRA},
|
|
{format_32bppPRGBA, &GUID_WICPixelFormat32bppPRGBA, copypixels_to_32bppPRGBA},
|
|
{format_48bppRGB, &GUID_WICPixelFormat48bppRGB, NULL},
|
|
{format_64bppRGBA, &GUID_WICPixelFormat64bppRGBA, NULL},
|
|
{format_32bppCMYK, &GUID_WICPixelFormat32bppCMYK, NULL},
|
|
{0}
|
|
};
|
|
|
|
static const struct pixelformatinfo *get_formatinfo(const WICPixelFormatGUID *format)
|
|
{
|
|
UINT i;
|
|
|
|
for (i=0; supported_formats[i].guid; i++)
|
|
if (IsEqualGUID(supported_formats[i].guid, format)) return &supported_formats[i];
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static HRESULT WINAPI FormatConverter_QueryInterface(IWICFormatConverter *iface, REFIID iid,
|
|
void **ppv)
|
|
{
|
|
FormatConverter *This = impl_from_IWICFormatConverter(iface);
|
|
TRACE("(%p,%s,%p)\n", iface, debugstr_guid(iid), ppv);
|
|
|
|
if (!ppv) return E_INVALIDARG;
|
|
|
|
if (IsEqualIID(&IID_IUnknown, iid) ||
|
|
IsEqualIID(&IID_IWICBitmapSource, iid) ||
|
|
IsEqualIID(&IID_IWICFormatConverter, iid))
|
|
{
|
|
*ppv = &This->IWICFormatConverter_iface;
|
|
}
|
|
else
|
|
{
|
|
*ppv = NULL;
|
|
return E_NOINTERFACE;
|
|
}
|
|
|
|
IUnknown_AddRef((IUnknown*)*ppv);
|
|
return S_OK;
|
|
}
|
|
|
|
static ULONG WINAPI FormatConverter_AddRef(IWICFormatConverter *iface)
|
|
{
|
|
FormatConverter *This = impl_from_IWICFormatConverter(iface);
|
|
ULONG ref = InterlockedIncrement(&This->ref);
|
|
|
|
TRACE("(%p) refcount=%u\n", iface, ref);
|
|
|
|
return ref;
|
|
}
|
|
|
|
static ULONG WINAPI FormatConverter_Release(IWICFormatConverter *iface)
|
|
{
|
|
FormatConverter *This = impl_from_IWICFormatConverter(iface);
|
|
ULONG ref = InterlockedDecrement(&This->ref);
|
|
|
|
TRACE("(%p) refcount=%u\n", iface, ref);
|
|
|
|
if (ref == 0)
|
|
{
|
|
This->lock.DebugInfo->Spare[0] = 0;
|
|
DeleteCriticalSection(&This->lock);
|
|
if (This->source) IWICBitmapSource_Release(This->source);
|
|
if (This->palette) IWICPalette_Release(This->palette);
|
|
HeapFree(GetProcessHeap(), 0, This);
|
|
}
|
|
|
|
return ref;
|
|
}
|
|
|
|
static HRESULT WINAPI FormatConverter_GetSize(IWICFormatConverter *iface,
|
|
UINT *puiWidth, UINT *puiHeight)
|
|
{
|
|
FormatConverter *This = impl_from_IWICFormatConverter(iface);
|
|
|
|
TRACE("(%p,%p,%p)\n", iface, puiWidth, puiHeight);
|
|
|
|
if (This->source)
|
|
return IWICBitmapSource_GetSize(This->source, puiWidth, puiHeight);
|
|
else
|
|
return WINCODEC_ERR_NOTINITIALIZED;
|
|
}
|
|
|
|
static HRESULT WINAPI FormatConverter_GetPixelFormat(IWICFormatConverter *iface,
|
|
WICPixelFormatGUID *pPixelFormat)
|
|
{
|
|
FormatConverter *This = impl_from_IWICFormatConverter(iface);
|
|
|
|
TRACE("(%p,%p)\n", iface, pPixelFormat);
|
|
|
|
if (This->source)
|
|
memcpy(pPixelFormat, This->dst_format->guid, sizeof(GUID));
|
|
else
|
|
return WINCODEC_ERR_NOTINITIALIZED;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI FormatConverter_GetResolution(IWICFormatConverter *iface,
|
|
double *pDpiX, double *pDpiY)
|
|
{
|
|
FormatConverter *This = impl_from_IWICFormatConverter(iface);
|
|
|
|
TRACE("(%p,%p,%p)\n", iface, pDpiX, pDpiY);
|
|
|
|
if (This->source)
|
|
return IWICBitmapSource_GetResolution(This->source, pDpiX, pDpiY);
|
|
else
|
|
return WINCODEC_ERR_NOTINITIALIZED;
|
|
}
|
|
|
|
static HRESULT WINAPI FormatConverter_CopyPalette(IWICFormatConverter *iface,
|
|
IWICPalette *palette)
|
|
{
|
|
FormatConverter *This = impl_from_IWICFormatConverter(iface);
|
|
|
|
TRACE("(%p,%p)\n", iface, palette);
|
|
|
|
if (!palette) return E_INVALIDARG;
|
|
if (!This->source) return WINCODEC_ERR_WRONGSTATE;
|
|
|
|
if (!This->palette)
|
|
{
|
|
HRESULT hr;
|
|
UINT bpp;
|
|
|
|
hr = get_pixelformat_bpp(This->dst_format->guid, &bpp);
|
|
if (hr != S_OK) return hr;
|
|
if (bpp <= 8) return WINCODEC_ERR_WRONGSTATE;
|
|
return IWICBitmapSource_CopyPalette(This->source, palette);
|
|
}
|
|
|
|
return IWICPalette_InitializeFromPalette(palette, This->palette);
|
|
}
|
|
|
|
static HRESULT WINAPI FormatConverter_CopyPixels(IWICFormatConverter *iface,
|
|
const WICRect *prc, UINT cbStride, UINT cbBufferSize, BYTE *pbBuffer)
|
|
{
|
|
FormatConverter *This = impl_from_IWICFormatConverter(iface);
|
|
WICRect rc;
|
|
HRESULT hr;
|
|
TRACE("(%p,%s,%u,%u,%p)\n", iface, debug_wic_rect(prc), cbStride, cbBufferSize, pbBuffer);
|
|
|
|
if (This->source)
|
|
{
|
|
if (!prc)
|
|
{
|
|
UINT width, height;
|
|
hr = IWICBitmapSource_GetSize(This->source, &width, &height);
|
|
if (FAILED(hr)) return hr;
|
|
rc.X = 0;
|
|
rc.Y = 0;
|
|
rc.Width = width;
|
|
rc.Height = height;
|
|
prc = &rc;
|
|
}
|
|
|
|
return This->dst_format->copy_function(This, prc, cbStride, cbBufferSize,
|
|
pbBuffer, This->src_format->format);
|
|
}
|
|
else
|
|
return WINCODEC_ERR_WRONGSTATE;
|
|
}
|
|
|
|
static HRESULT WINAPI FormatConverter_Initialize(IWICFormatConverter *iface,
|
|
IWICBitmapSource *source, REFWICPixelFormatGUID dstFormat, WICBitmapDitherType dither,
|
|
IWICPalette *palette, double alpha_threshold, WICBitmapPaletteType palette_type)
|
|
{
|
|
FormatConverter *This = impl_from_IWICFormatConverter(iface);
|
|
const struct pixelformatinfo *srcinfo, *dstinfo;
|
|
GUID srcFormat;
|
|
HRESULT res;
|
|
|
|
TRACE("(%p,%p,%s,%u,%p,%0.3f,%u)\n", iface, source, debugstr_guid(dstFormat),
|
|
dither, palette, alpha_threshold, palette_type);
|
|
|
|
if (!palette)
|
|
{
|
|
UINT bpp;
|
|
res = get_pixelformat_bpp(dstFormat, &bpp);
|
|
if (res != S_OK) return res;
|
|
|
|
res = PaletteImpl_Create(&palette);
|
|
if (res != S_OK) return res;
|
|
|
|
switch (palette_type)
|
|
{
|
|
case WICBitmapPaletteTypeCustom:
|
|
IWICPalette_Release(palette);
|
|
palette = NULL;
|
|
if (bpp <= 8) return E_INVALIDARG;
|
|
break;
|
|
|
|
case WICBitmapPaletteTypeMedianCut:
|
|
{
|
|
if (bpp <= 8)
|
|
res = IWICPalette_InitializeFromBitmap(palette, source, 1 << bpp, FALSE);
|
|
break;
|
|
}
|
|
|
|
default:
|
|
if (bpp <= 8)
|
|
res = IWICPalette_InitializePredefined(palette, palette_type, FALSE);
|
|
break;
|
|
}
|
|
|
|
if (res != S_OK)
|
|
{
|
|
IWICPalette_Release(palette);
|
|
return res;
|
|
}
|
|
}
|
|
else
|
|
IWICPalette_AddRef(palette);
|
|
|
|
EnterCriticalSection(&This->lock);
|
|
|
|
if (This->source)
|
|
{
|
|
res = WINCODEC_ERR_WRONGSTATE;
|
|
goto end;
|
|
}
|
|
|
|
res = IWICBitmapSource_GetPixelFormat(source, &srcFormat);
|
|
if (FAILED(res)) goto end;
|
|
|
|
srcinfo = get_formatinfo(&srcFormat);
|
|
if (!srcinfo)
|
|
{
|
|
res = WINCODEC_ERR_UNSUPPORTEDPIXELFORMAT;
|
|
FIXME("Unsupported source format %s\n", debugstr_guid(&srcFormat));
|
|
goto end;
|
|
}
|
|
|
|
dstinfo = get_formatinfo(dstFormat);
|
|
if (!dstinfo)
|
|
{
|
|
res = WINCODEC_ERR_UNSUPPORTEDPIXELFORMAT;
|
|
FIXME("Unsupported destination format %s\n", debugstr_guid(dstFormat));
|
|
goto end;
|
|
}
|
|
|
|
if (dstinfo->copy_function)
|
|
{
|
|
IWICBitmapSource_AddRef(source);
|
|
This->src_format = srcinfo;
|
|
This->dst_format = dstinfo;
|
|
This->dither = dither;
|
|
This->alpha_threshold = alpha_threshold;
|
|
This->palette = palette;
|
|
This->source = source;
|
|
}
|
|
else
|
|
{
|
|
FIXME("Unsupported conversion %s -> %s\n", debugstr_guid(&srcFormat), debugstr_guid(dstFormat));
|
|
res = WINCODEC_ERR_UNSUPPORTEDOPERATION;
|
|
}
|
|
|
|
end:
|
|
|
|
LeaveCriticalSection(&This->lock);
|
|
|
|
if (res != S_OK && palette)
|
|
IWICPalette_Release(palette);
|
|
|
|
return res;
|
|
}
|
|
|
|
static HRESULT WINAPI FormatConverter_CanConvert(IWICFormatConverter *iface,
|
|
REFWICPixelFormatGUID srcPixelFormat, REFWICPixelFormatGUID dstPixelFormat,
|
|
BOOL *pfCanConvert)
|
|
{
|
|
FormatConverter *This = impl_from_IWICFormatConverter(iface);
|
|
const struct pixelformatinfo *srcinfo, *dstinfo;
|
|
|
|
TRACE("(%p,%s,%s,%p)\n", iface, debugstr_guid(srcPixelFormat),
|
|
debugstr_guid(dstPixelFormat), pfCanConvert);
|
|
|
|
srcinfo = get_formatinfo(srcPixelFormat);
|
|
if (!srcinfo)
|
|
{
|
|
FIXME("Unsupported source format %s\n", debugstr_guid(srcPixelFormat));
|
|
return WINCODEC_ERR_UNSUPPORTEDPIXELFORMAT;
|
|
}
|
|
|
|
dstinfo = get_formatinfo(dstPixelFormat);
|
|
if (!dstinfo)
|
|
{
|
|
FIXME("Unsupported destination format %s\n", debugstr_guid(dstPixelFormat));
|
|
return WINCODEC_ERR_UNSUPPORTEDPIXELFORMAT;
|
|
}
|
|
|
|
if (dstinfo->copy_function &&
|
|
SUCCEEDED(dstinfo->copy_function(This, NULL, 0, 0, NULL, dstinfo->format)))
|
|
*pfCanConvert = TRUE;
|
|
else
|
|
{
|
|
FIXME("Unsupported conversion %s -> %s\n", debugstr_guid(srcPixelFormat), debugstr_guid(dstPixelFormat));
|
|
*pfCanConvert = FALSE;
|
|
}
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static const IWICFormatConverterVtbl FormatConverter_Vtbl = {
|
|
FormatConverter_QueryInterface,
|
|
FormatConverter_AddRef,
|
|
FormatConverter_Release,
|
|
FormatConverter_GetSize,
|
|
FormatConverter_GetPixelFormat,
|
|
FormatConverter_GetResolution,
|
|
FormatConverter_CopyPalette,
|
|
FormatConverter_CopyPixels,
|
|
FormatConverter_Initialize,
|
|
FormatConverter_CanConvert
|
|
};
|
|
|
|
HRESULT FormatConverter_CreateInstance(REFIID iid, void** ppv)
|
|
{
|
|
FormatConverter *This;
|
|
HRESULT ret;
|
|
|
|
TRACE("(%s,%p)\n", debugstr_guid(iid), ppv);
|
|
|
|
*ppv = NULL;
|
|
|
|
This = HeapAlloc(GetProcessHeap(), 0, sizeof(FormatConverter));
|
|
if (!This) return E_OUTOFMEMORY;
|
|
|
|
This->IWICFormatConverter_iface.lpVtbl = &FormatConverter_Vtbl;
|
|
This->ref = 1;
|
|
This->source = NULL;
|
|
This->palette = NULL;
|
|
InitializeCriticalSection(&This->lock);
|
|
This->lock.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": FormatConverter.lock");
|
|
|
|
ret = IWICFormatConverter_QueryInterface(&This->IWICFormatConverter_iface, iid, ppv);
|
|
IWICFormatConverter_Release(&This->IWICFormatConverter_iface);
|
|
|
|
return ret;
|
|
}
|