1001 lines
31 KiB
C
1001 lines
31 KiB
C
/*
|
|
* Copyright 2009 Vincent Povirk
|
|
*
|
|
* 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 "config.h"
|
|
|
|
#include <stdarg.h>
|
|
|
|
#define COBJMACROS
|
|
|
|
#include "windef.h"
|
|
#include "winbase.h"
|
|
#include "objbase.h"
|
|
#include "wincodec.h"
|
|
|
|
#include "wincodecs_private.h"
|
|
|
|
#include "wine/debug.h"
|
|
|
|
WINE_DEFAULT_DEBUG_CHANNEL(wincodecs);
|
|
|
|
struct FormatConverter;
|
|
|
|
enum pixelformat {
|
|
format_1bppIndexed,
|
|
format_2bppIndexed,
|
|
format_4bppIndexed,
|
|
format_8bppIndexed,
|
|
format_BlackWhite,
|
|
format_2bppGray,
|
|
format_4bppGray,
|
|
format_8bppGray,
|
|
format_16bppGray,
|
|
format_16bppBGR555,
|
|
format_16bppBGR565,
|
|
format_24bppBGR,
|
|
format_32bppBGR,
|
|
format_32bppBGRA,
|
|
format_48bppRGB,
|
|
format_64bppRGBA,
|
|
format_32bppCMYK,
|
|
};
|
|
|
|
typedef HRESULT (*copyfunc)(struct FormatConverter *This, const WICRect *prc,
|
|
UINT cbStride, UINT cbBufferSize, BYTE *pbBuffer, enum pixelformat source_format);
|
|
|
|
struct pixelformatinfo {
|
|
enum pixelformat format;
|
|
const WICPixelFormatGUID *guid;
|
|
copyfunc copy_function;
|
|
};
|
|
|
|
typedef struct FormatConverter {
|
|
const IWICFormatConverterVtbl *lpVtbl;
|
|
LONG ref;
|
|
IWICBitmapSource *source;
|
|
const struct pixelformatinfo *dst_format, *src_format;
|
|
WICBitmapDitherType dither;
|
|
double alpha_threshold;
|
|
WICBitmapPaletteType palette_type;
|
|
CRITICAL_SECTION lock; /* must be held when initialized */
|
|
} FormatConverter;
|
|
|
|
static void make_grayscale_palette(WICColor *colors, UINT num_colors)
|
|
{
|
|
int i, v;
|
|
for (i=0; i<num_colors; i++)
|
|
{
|
|
v = i * 255 / (num_colors-1);
|
|
colors[i] = 0xff000000 | v<<16 | v<<8 | v;
|
|
}
|
|
}
|
|
|
|
static HRESULT copypixels_to_32bppBGRA(struct FormatConverter *This, const WICRect *prc,
|
|
UINT cbStride, UINT cbBufferSize, BYTE *pbBuffer, enum pixelformat source_format)
|
|
{
|
|
switch (source_format)
|
|
{
|
|
case format_1bppIndexed:
|
|
case format_BlackWhite:
|
|
if (prc)
|
|
{
|
|
HRESULT res;
|
|
UINT x, y;
|
|
BYTE *srcdata;
|
|
UINT srcstride, srcdatasize;
|
|
const BYTE *srcrow;
|
|
const BYTE *srcbyte;
|
|
BYTE *dstrow;
|
|
DWORD *dstpixel;
|
|
WICColor colors[2];
|
|
IWICPalette *palette;
|
|
UINT actualcolors;
|
|
|
|
if (source_format == format_1bppIndexed)
|
|
{
|
|
res = PaletteImpl_Create(&palette);
|
|
if (FAILED(res)) return res;
|
|
|
|
res = IWICBitmapSource_CopyPalette(This->source, palette);
|
|
if (SUCCEEDED(res))
|
|
res = IWICPalette_GetColors(palette, 2, colors, &actualcolors);
|
|
|
|
IWICPalette_Release(palette);
|
|
|
|
if (FAILED(res)) return res;
|
|
}
|
|
else
|
|
{
|
|
colors[0] = 0xff000000;
|
|
colors[1] = 0xffffffff;
|
|
}
|
|
|
|
srcstride = (prc->Width+7)/8;
|
|
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++) {
|
|
srcbyte=(const BYTE*)srcrow;
|
|
dstpixel=(DWORD*)dstrow;
|
|
for (x=0; x<prc->Width; x+=8) {
|
|
BYTE srcval;
|
|
srcval=*srcbyte++;
|
|
*dstpixel++ = colors[srcval>>7&1];
|
|
if (x+1 < prc->Width) *dstpixel++ = colors[srcval>>6&1];
|
|
if (x+2 < prc->Width) *dstpixel++ = colors[srcval>>5&1];
|
|
if (x+3 < prc->Width) *dstpixel++ = colors[srcval>>4&1];
|
|
if (x+4 < prc->Width) *dstpixel++ = colors[srcval>>3&1];
|
|
if (x+5 < prc->Width) *dstpixel++ = colors[srcval>>2&1];
|
|
if (x+6 < prc->Width) *dstpixel++ = colors[srcval>>1&1];
|
|
if (x+7 < prc->Width) *dstpixel++ = colors[srcval&1];
|
|
}
|
|
srcrow += srcstride;
|
|
dstrow += cbStride;
|
|
}
|
|
}
|
|
|
|
HeapFree(GetProcessHeap(), 0, srcdata);
|
|
|
|
return res;
|
|
}
|
|
return S_OK;
|
|
case format_2bppIndexed:
|
|
case format_2bppGray:
|
|
if (prc)
|
|
{
|
|
HRESULT res;
|
|
UINT x, y;
|
|
BYTE *srcdata;
|
|
UINT srcstride, srcdatasize;
|
|
const BYTE *srcrow;
|
|
const BYTE *srcbyte;
|
|
BYTE *dstrow;
|
|
DWORD *dstpixel;
|
|
WICColor colors[4];
|
|
IWICPalette *palette;
|
|
UINT actualcolors;
|
|
|
|
if (source_format == format_2bppIndexed)
|
|
{
|
|
res = PaletteImpl_Create(&palette);
|
|
if (FAILED(res)) return res;
|
|
|
|
res = IWICBitmapSource_CopyPalette(This->source, palette);
|
|
if (SUCCEEDED(res))
|
|
res = IWICPalette_GetColors(palette, 4, colors, &actualcolors);
|
|
|
|
IWICPalette_Release(palette);
|
|
|
|
if (FAILED(res)) return res;
|
|
}
|
|
else
|
|
make_grayscale_palette(colors, 4);
|
|
|
|
srcstride = (prc->Width+3)/4;
|
|
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++) {
|
|
srcbyte=(const BYTE*)srcrow;
|
|
dstpixel=(DWORD*)dstrow;
|
|
for (x=0; x<prc->Width; x+=4) {
|
|
BYTE srcval;
|
|
srcval=*srcbyte++;
|
|
*dstpixel++ = colors[srcval>>6];
|
|
if (x+1 < prc->Width) *dstpixel++ = colors[srcval>>4&0x3];
|
|
if (x+2 < prc->Width) *dstpixel++ = colors[srcval>>2&0x3];
|
|
if (x+1 < prc->Width) *dstpixel++ = colors[srcval&0x3];
|
|
}
|
|
srcrow += srcstride;
|
|
dstrow += cbStride;
|
|
}
|
|
}
|
|
|
|
HeapFree(GetProcessHeap(), 0, srcdata);
|
|
|
|
return res;
|
|
}
|
|
return S_OK;
|
|
case format_4bppIndexed:
|
|
case format_4bppGray:
|
|
if (prc)
|
|
{
|
|
HRESULT res;
|
|
UINT x, y;
|
|
BYTE *srcdata;
|
|
UINT srcstride, srcdatasize;
|
|
const BYTE *srcrow;
|
|
const BYTE *srcbyte;
|
|
BYTE *dstrow;
|
|
DWORD *dstpixel;
|
|
WICColor colors[16];
|
|
IWICPalette *palette;
|
|
UINT actualcolors;
|
|
|
|
if (source_format == format_4bppIndexed)
|
|
{
|
|
res = PaletteImpl_Create(&palette);
|
|
if (FAILED(res)) return res;
|
|
|
|
res = IWICBitmapSource_CopyPalette(This->source, palette);
|
|
if (SUCCEEDED(res))
|
|
res = IWICPalette_GetColors(palette, 16, colors, &actualcolors);
|
|
|
|
IWICPalette_Release(palette);
|
|
|
|
if (FAILED(res)) return res;
|
|
}
|
|
else
|
|
make_grayscale_palette(colors, 16);
|
|
|
|
srcstride = (prc->Width+1)/2;
|
|
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++) {
|
|
srcbyte=(const BYTE*)srcrow;
|
|
dstpixel=(DWORD*)dstrow;
|
|
for (x=0; x<prc->Width; x+=2) {
|
|
BYTE srcval;
|
|
srcval=*srcbyte++;
|
|
*dstpixel++ = colors[srcval>>4];
|
|
if (x+1 < prc->Width) *dstpixel++ = colors[srcval&0xf];
|
|
}
|
|
srcrow += srcstride;
|
|
dstrow += cbStride;
|
|
}
|
|
}
|
|
|
|
HeapFree(GetProcessHeap(), 0, srcdata);
|
|
|
|
return res;
|
|
}
|
|
return S_OK;
|
|
case format_8bppGray:
|
|
if (prc)
|
|
{
|
|
HRESULT res;
|
|
UINT x, y;
|
|
BYTE *srcdata;
|
|
UINT srcstride, srcdatasize;
|
|
const BYTE *srcrow;
|
|
const BYTE *srcbyte;
|
|
BYTE *dstrow;
|
|
DWORD *dstpixel;
|
|
|
|
srcstride = 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++) {
|
|
srcbyte=(const BYTE*)srcrow;
|
|
dstpixel=(DWORD*)dstrow;
|
|
for (x=0; x<prc->Width; x++)
|
|
{
|
|
*dstpixel++ = 0xff000000|(*srcbyte<<16)|(*srcbyte<<8)|*srcbyte;
|
|
srcbyte++;
|
|
}
|
|
srcrow += srcstride;
|
|
dstrow += cbStride;
|
|
}
|
|
}
|
|
|
|
HeapFree(GetProcessHeap(), 0, srcdata);
|
|
|
|
return res;
|
|
}
|
|
return S_OK;
|
|
case format_8bppIndexed:
|
|
if (prc)
|
|
{
|
|
HRESULT res;
|
|
UINT x, y;
|
|
BYTE *srcdata;
|
|
UINT srcstride, srcdatasize;
|
|
const BYTE *srcrow;
|
|
const BYTE *srcbyte;
|
|
BYTE *dstrow;
|
|
DWORD *dstpixel;
|
|
WICColor colors[256];
|
|
IWICPalette *palette;
|
|
UINT actualcolors;
|
|
|
|
res = PaletteImpl_Create(&palette);
|
|
if (FAILED(res)) return res;
|
|
|
|
res = IWICBitmapSource_CopyPalette(This->source, palette);
|
|
if (SUCCEEDED(res))
|
|
res = IWICPalette_GetColors(palette, 256, colors, &actualcolors);
|
|
|
|
IWICPalette_Release(palette);
|
|
|
|
if (FAILED(res)) return res;
|
|
|
|
srcstride = 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++) {
|
|
srcbyte=(const BYTE*)srcrow;
|
|
dstpixel=(DWORD*)dstrow;
|
|
for (x=0; x<prc->Width; x++)
|
|
*dstpixel++ = colors[*srcbyte++];
|
|
srcrow += srcstride;
|
|
dstrow += cbStride;
|
|
}
|
|
}
|
|
|
|
HeapFree(GetProcessHeap(), 0, srcdata);
|
|
|
|
return res;
|
|
}
|
|
return S_OK;
|
|
case format_16bppGray:
|
|
if (prc)
|
|
{
|
|
HRESULT res;
|
|
UINT x, y;
|
|
BYTE *srcdata;
|
|
UINT srcstride, srcdatasize;
|
|
const BYTE *srcrow;
|
|
const BYTE *srcbyte;
|
|
BYTE *dstrow;
|
|
DWORD *dstpixel;
|
|
|
|
srcstride = prc->Width * 2;
|
|
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++) {
|
|
srcbyte=(const BYTE*)srcrow;
|
|
dstpixel=(DWORD*)dstrow;
|
|
for (x=0; x<prc->Width; x++)
|
|
{
|
|
*dstpixel++ = 0xff000000|(*srcbyte<<16)|(*srcbyte<<8)|*srcbyte;
|
|
srcbyte+=2;
|
|
}
|
|
srcrow += srcstride;
|
|
dstrow += cbStride;
|
|
}
|
|
}
|
|
|
|
HeapFree(GetProcessHeap(), 0, srcdata);
|
|
|
|
return res;
|
|
}
|
|
return S_OK;
|
|
case format_16bppBGR555:
|
|
if (prc)
|
|
{
|
|
HRESULT res;
|
|
UINT 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 << 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_16bppBGR565:
|
|
if (prc)
|
|
{
|
|
HRESULT res;
|
|
UINT 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_24bppBGR:
|
|
if (prc)
|
|
{
|
|
HRESULT res;
|
|
UINT 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_32bppBGR:
|
|
if (prc)
|
|
{
|
|
HRESULT res;
|
|
UINT 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_32bppBGRA:
|
|
if (prc)
|
|
return IWICBitmapSource_CopyPixels(This->source, prc, cbStride, cbBufferSize, pbBuffer);
|
|
return S_OK;
|
|
case format_48bppRGB:
|
|
if (prc)
|
|
{
|
|
HRESULT res;
|
|
UINT 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;
|
|
red = *srcpixel++; srcpixel++;
|
|
green = *srcpixel++; srcpixel++;
|
|
blue = *srcpixel++; 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;
|
|
UINT 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;
|
|
red = *srcpixel++; srcpixel++;
|
|
green = *srcpixel++; srcpixel++;
|
|
blue = *srcpixel++; srcpixel++;
|
|
alpha = *srcpixel++; 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:
|
|
return WINCODEC_ERR_UNSUPPORTEDOPERATION;
|
|
}
|
|
}
|
|
|
|
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:
|
|
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 const struct pixelformatinfo supported_formats[] = {
|
|
{format_1bppIndexed, &GUID_WICPixelFormat1bppIndexed, NULL},
|
|
{format_2bppIndexed, &GUID_WICPixelFormat2bppIndexed, NULL},
|
|
{format_4bppIndexed, &GUID_WICPixelFormat4bppIndexed, NULL},
|
|
{format_8bppIndexed, &GUID_WICPixelFormat8bppIndexed, NULL},
|
|
{format_BlackWhite, &GUID_WICPixelFormatBlackWhite, NULL},
|
|
{format_2bppGray, &GUID_WICPixelFormat2bppGray, NULL},
|
|
{format_4bppGray, &GUID_WICPixelFormat4bppGray, NULL},
|
|
{format_8bppGray, &GUID_WICPixelFormat8bppGray, NULL},
|
|
{format_16bppGray, &GUID_WICPixelFormat16bppGray, NULL},
|
|
{format_16bppBGR555, &GUID_WICPixelFormat16bppBGR555, NULL},
|
|
{format_16bppBGR565, &GUID_WICPixelFormat16bppBGR565, NULL},
|
|
{format_24bppBGR, &GUID_WICPixelFormat24bppBGR, NULL},
|
|
{format_32bppBGR, &GUID_WICPixelFormat32bppBGR, copypixels_to_32bppBGR},
|
|
{format_32bppBGRA, &GUID_WICPixelFormat32bppBGRA, copypixels_to_32bppBGRA},
|
|
{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 = (FormatConverter*)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;
|
|
}
|
|
else
|
|
{
|
|
*ppv = NULL;
|
|
return E_NOINTERFACE;
|
|
}
|
|
|
|
IUnknown_AddRef((IUnknown*)*ppv);
|
|
return S_OK;
|
|
}
|
|
|
|
static ULONG WINAPI FormatConverter_AddRef(IWICFormatConverter *iface)
|
|
{
|
|
FormatConverter *This = (FormatConverter*)iface;
|
|
ULONG ref = InterlockedIncrement(&This->ref);
|
|
|
|
TRACE("(%p) refcount=%u\n", iface, ref);
|
|
|
|
return ref;
|
|
}
|
|
|
|
static ULONG WINAPI FormatConverter_Release(IWICFormatConverter *iface)
|
|
{
|
|
FormatConverter *This = (FormatConverter*)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);
|
|
HeapFree(GetProcessHeap(), 0, This);
|
|
}
|
|
|
|
return ref;
|
|
}
|
|
|
|
static HRESULT WINAPI FormatConverter_GetSize(IWICFormatConverter *iface,
|
|
UINT *puiWidth, UINT *puiHeight)
|
|
{
|
|
FormatConverter *This = (FormatConverter*)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 = (FormatConverter*)iface;
|
|
|
|
TRACE("(%p,%p): stub\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 = (FormatConverter*)iface;
|
|
|
|
TRACE("(%p,%p,%p): stub\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 *pIPalette)
|
|
{
|
|
FIXME("(%p,%p): stub\n", iface, pIPalette);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI FormatConverter_CopyPixels(IWICFormatConverter *iface,
|
|
const WICRect *prc, UINT cbStride, UINT cbBufferSize, BYTE *pbBuffer)
|
|
{
|
|
FormatConverter *This = (FormatConverter*)iface;
|
|
WICRect rc;
|
|
HRESULT hr;
|
|
TRACE("(%p,%p,%u,%u,%p)\n", iface, 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_NOTINITIALIZED;
|
|
}
|
|
|
|
static HRESULT WINAPI FormatConverter_Initialize(IWICFormatConverter *iface,
|
|
IWICBitmapSource *pISource, REFWICPixelFormatGUID dstFormat, WICBitmapDitherType dither,
|
|
IWICPalette *pIPalette, double alphaThresholdPercent, WICBitmapPaletteType paletteTranslate)
|
|
{
|
|
FormatConverter *This = (FormatConverter*)iface;
|
|
const struct pixelformatinfo *srcinfo, *dstinfo;
|
|
static INT fixme=0;
|
|
GUID srcFormat;
|
|
HRESULT res=S_OK;
|
|
|
|
TRACE("(%p,%p,%s,%u,%p,%0.1f,%u)\n", iface, pISource, debugstr_guid(dstFormat),
|
|
dither, pIPalette, alphaThresholdPercent, paletteTranslate);
|
|
|
|
if (pIPalette && !fixme++) FIXME("ignoring palette\n");
|
|
|
|
EnterCriticalSection(&This->lock);
|
|
|
|
if (This->source)
|
|
{
|
|
res = WINCODEC_ERR_WRONGSTATE;
|
|
goto end;
|
|
}
|
|
|
|
res = IWICBitmapSource_GetPixelFormat(pISource, &srcFormat);
|
|
if (FAILED(res)) goto end;
|
|
|
|
srcinfo = get_formatinfo(&srcFormat);
|
|
if (!srcinfo)
|
|
{
|
|
res = WINCODEC_ERR_UNSUPPORTEDPIXELFORMAT;
|
|
goto end;
|
|
}
|
|
|
|
dstinfo = get_formatinfo(dstFormat);
|
|
if (!dstinfo)
|
|
{
|
|
res = WINCODEC_ERR_UNSUPPORTEDPIXELFORMAT;
|
|
goto end;
|
|
}
|
|
|
|
if (dstinfo->copy_function)
|
|
{
|
|
IWICBitmapSource_AddRef(pISource);
|
|
This->src_format = srcinfo;
|
|
This->dst_format = dstinfo;
|
|
This->dither = dither;
|
|
This->alpha_threshold = alphaThresholdPercent;
|
|
This->palette_type = paletteTranslate;
|
|
This->source = pISource;
|
|
}
|
|
else
|
|
res = WINCODEC_ERR_UNSUPPORTEDOPERATION;
|
|
|
|
end:
|
|
|
|
LeaveCriticalSection(&This->lock);
|
|
|
|
return res;
|
|
}
|
|
|
|
static HRESULT WINAPI FormatConverter_CanConvert(IWICFormatConverter *iface,
|
|
REFWICPixelFormatGUID srcPixelFormat, REFWICPixelFormatGUID dstPixelFormat,
|
|
BOOL *pfCanConvert)
|
|
{
|
|
FormatConverter *This = (FormatConverter*)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) return WINCODEC_ERR_UNSUPPORTEDPIXELFORMAT;
|
|
|
|
dstinfo = get_formatinfo(dstPixelFormat);
|
|
if (!dstinfo) return WINCODEC_ERR_UNSUPPORTEDPIXELFORMAT;
|
|
|
|
if (dstinfo->copy_function &&
|
|
SUCCEEDED(dstinfo->copy_function(This, NULL, 0, 0, NULL, dstinfo->format)))
|
|
*pfCanConvert = TRUE;
|
|
else
|
|
*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(IUnknown *pUnkOuter, REFIID iid, void** ppv)
|
|
{
|
|
FormatConverter *This;
|
|
HRESULT ret;
|
|
|
|
TRACE("(%p,%s,%p)\n", pUnkOuter, debugstr_guid(iid), ppv);
|
|
|
|
*ppv = NULL;
|
|
|
|
if (pUnkOuter) return CLASS_E_NOAGGREGATION;
|
|
|
|
This = HeapAlloc(GetProcessHeap(), 0, sizeof(FormatConverter));
|
|
if (!This) return E_OUTOFMEMORY;
|
|
|
|
This->lpVtbl = &FormatConverter_Vtbl;
|
|
This->ref = 1;
|
|
This->source = NULL;
|
|
InitializeCriticalSection(&This->lock);
|
|
This->lock.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": FormatConverter.lock");
|
|
|
|
ret = IUnknown_QueryInterface((IUnknown*)This, iid, ppv);
|
|
IUnknown_Release((IUnknown*)This);
|
|
|
|
return ret;
|
|
}
|