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Sweden-Number/dlls/gdiplus/image.c

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/*
* Copyright (C) 2007 Google (Evan Stade)
*
* 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 <stdarg.h>
#define NONAMELESSUNION
#include "windef.h"
#include "winbase.h"
#include "winuser.h"
#include "wingdi.h"
#define COBJMACROS
#include "objbase.h"
#include "olectl.h"
#include "ole2.h"
#include "initguid.h"
#include "wincodec.h"
#include "gdiplus.h"
#include "gdiplus_private.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(gdiplus);
#define PIXELFORMATBPP(x) ((x) ? ((x) >> 8) & 255 : 24)
static INT ipicture_pixel_height(IPicture *pic)
{
HDC hdcref;
OLE_YSIZE_HIMETRIC y;
IPicture_get_Height(pic, &y);
hdcref = GetDC(0);
y = MulDiv(y, GetDeviceCaps(hdcref, LOGPIXELSY), INCH_HIMETRIC);
ReleaseDC(0, hdcref);
return y;
}
static INT ipicture_pixel_width(IPicture *pic)
{
HDC hdcref;
OLE_XSIZE_HIMETRIC x;
IPicture_get_Width(pic, &x);
hdcref = GetDC(0);
x = MulDiv(x, GetDeviceCaps(hdcref, LOGPIXELSX), INCH_HIMETRIC);
ReleaseDC(0, hdcref);
return x;
}
GpStatus WINGDIPAPI GdipBitmapApplyEffect(GpBitmap* bitmap, CGpEffect* effect,
RECT* roi, BOOL useAuxData, VOID** auxData, INT* auxDataSize)
{
FIXME("(%p %p %p %d %p %p): stub\n", bitmap, effect, roi, useAuxData, auxData, auxDataSize);
/*
* Note: According to Jose Roca's GDI+ docs, this function is not
* implemented in Windows's GDI+.
*/
return NotImplemented;
}
GpStatus WINGDIPAPI GdipBitmapCreateApplyEffect(GpBitmap** inputBitmaps,
INT numInputs, CGpEffect* effect, RECT* roi, RECT* outputRect,
GpBitmap** outputBitmap, BOOL useAuxData, VOID** auxData, INT* auxDataSize)
{
FIXME("(%p %d %p %p %p %p %d %p %p): stub\n", inputBitmaps, numInputs, effect, roi, outputRect, outputBitmap, useAuxData, auxData, auxDataSize);
/*
* Note: According to Jose Roca's GDI+ docs, this function is not
* implemented in Windows's GDI+.
*/
return NotImplemented;
}
static inline void getpixel_16bppGrayScale(BYTE *r, BYTE *g, BYTE *b, BYTE *a,
const BYTE *row, UINT x)
{
*r = *g = *b = row[x*2+1];
*a = 255;
}
static inline void getpixel_16bppRGB555(BYTE *r, BYTE *g, BYTE *b, BYTE *a,
const BYTE *row, UINT x)
{
WORD pixel = *((WORD*)(row)+x);
*r = (pixel>>7&0xf8)|(pixel>>12&0x7);
*g = (pixel>>2&0xf8)|(pixel>>6&0x7);
*b = (pixel<<3&0xf8)|(pixel>>2&0x7);
*a = 255;
}
static inline void getpixel_16bppRGB565(BYTE *r, BYTE *g, BYTE *b, BYTE *a,
const BYTE *row, UINT x)
{
WORD pixel = *((WORD*)(row)+x);
*r = (pixel>>8&0xf8)|(pixel>>13&0x7);
*g = (pixel>>3&0xfc)|(pixel>>9&0x3);
*b = (pixel<<3&0xf8)|(pixel>>2&0x7);
*a = 255;
}
static inline void getpixel_16bppARGB1555(BYTE *r, BYTE *g, BYTE *b, BYTE *a,
const BYTE *row, UINT x)
{
WORD pixel = *((WORD*)(row)+x);
*r = (pixel>>7&0xf8)|(pixel>>12&0x7);
*g = (pixel>>2&0xf8)|(pixel>>6&0x7);
*b = (pixel<<3&0xf8)|(pixel>>2&0x7);
if ((pixel&0x8000) == 0x8000)
*a = 255;
else
*a = 0;
}
static inline void getpixel_24bppRGB(BYTE *r, BYTE *g, BYTE *b, BYTE *a,
const BYTE *row, UINT x)
{
*r = row[x*3+2];
*g = row[x*3+1];
*b = row[x*3];
*a = 255;
}
static inline void getpixel_32bppRGB(BYTE *r, BYTE *g, BYTE *b, BYTE *a,
const BYTE *row, UINT x)
{
*r = row[x*4+2];
*g = row[x*4+1];
*b = row[x*4];
*a = 255;
}
static inline void getpixel_32bppARGB(BYTE *r, BYTE *g, BYTE *b, BYTE *a,
const BYTE *row, UINT x)
{
*r = row[x*4+2];
*g = row[x*4+1];
*b = row[x*4];
*a = row[x*4+3];
}
static inline void getpixel_32bppPARGB(BYTE *r, BYTE *g, BYTE *b, BYTE *a,
const BYTE *row, UINT x)
{
*a = row[x*4+3];
if (*a == 0)
*r = *g = *b = 0;
else
{
*r = row[x*4+2] * 255 / *a;
*g = row[x*4+1] * 255 / *a;
*b = row[x*4] * 255 / *a;
}
}
static inline void getpixel_48bppRGB(BYTE *r, BYTE *g, BYTE *b, BYTE *a,
const BYTE *row, UINT x)
{
*r = row[x*6+5];
*g = row[x*6+3];
*b = row[x*6+1];
*a = 255;
}
static inline void getpixel_64bppARGB(BYTE *r, BYTE *g, BYTE *b, BYTE *a,
const BYTE *row, UINT x)
{
*r = row[x*8+5];
*g = row[x*8+3];
*b = row[x*8+1];
*a = row[x*8+7];
}
static inline void getpixel_64bppPARGB(BYTE *r, BYTE *g, BYTE *b, BYTE *a,
const BYTE *row, UINT x)
{
*a = row[x*8+7];
if (*a == 0)
*r = *g = *b = 0;
else
{
*r = row[x*8+5] * 255 / *a;
*g = row[x*8+3] * 255 / *a;
*b = row[x*8+1] * 255 / *a;
}
}
GpStatus WINGDIPAPI GdipBitmapGetPixel(GpBitmap* bitmap, INT x, INT y,
ARGB *color)
{
BYTE r, g, b, a;
BYTE *row;
TRACE("%p %d %d %p\n", bitmap, x, y, color);
if(!bitmap || !color ||
x < 0 || y < 0 || x >= bitmap->width || y >= bitmap->height)
return InvalidParameter;
row = bitmap->bits+bitmap->stride*y;
switch (bitmap->format)
{
case PixelFormat16bppGrayScale:
getpixel_16bppGrayScale(&r,&g,&b,&a,row,x);
break;
case PixelFormat16bppRGB555:
getpixel_16bppRGB555(&r,&g,&b,&a,row,x);
break;
case PixelFormat16bppRGB565:
getpixel_16bppRGB565(&r,&g,&b,&a,row,x);
break;
case PixelFormat16bppARGB1555:
getpixel_16bppARGB1555(&r,&g,&b,&a,row,x);
break;
case PixelFormat24bppRGB:
getpixel_24bppRGB(&r,&g,&b,&a,row,x);
break;
case PixelFormat32bppRGB:
getpixel_32bppRGB(&r,&g,&b,&a,row,x);
break;
case PixelFormat32bppARGB:
getpixel_32bppARGB(&r,&g,&b,&a,row,x);
break;
case PixelFormat32bppPARGB:
getpixel_32bppPARGB(&r,&g,&b,&a,row,x);
break;
case PixelFormat48bppRGB:
getpixel_48bppRGB(&r,&g,&b,&a,row,x);
break;
case PixelFormat64bppARGB:
getpixel_64bppARGB(&r,&g,&b,&a,row,x);
break;
case PixelFormat64bppPARGB:
getpixel_64bppPARGB(&r,&g,&b,&a,row,x);
break;
default:
FIXME("not implemented for format 0x%x\n", bitmap->format);
return NotImplemented;
}
*color = a<<24|r<<16|g<<8|b;
return Ok;
}
static inline void setpixel_16bppGrayScale(BYTE r, BYTE g, BYTE b, BYTE a,
BYTE *row, UINT x)
{
*((WORD*)(row)+x) = (r+g+b)*85;
}
static inline void setpixel_16bppRGB555(BYTE r, BYTE g, BYTE b, BYTE a,
BYTE *row, UINT x)
{
*((WORD*)(row)+x) = (r<<7&0x7c00)|
(g<<2&0x03e0)|
(b>>3&0x001f);
}
static inline void setpixel_16bppRGB565(BYTE r, BYTE g, BYTE b, BYTE a,
BYTE *row, UINT x)
{
*((WORD*)(row)+x) = (r<<8&0xf800)|
(g<<3&0x07e0)|
(b>>3&0x001f);
}
static inline void setpixel_16bppARGB1555(BYTE r, BYTE g, BYTE b, BYTE a,
BYTE *row, UINT x)
{
*((WORD*)(row)+x) = (a<<8&0x8000)|
(r<<7&0x7c00)|
(g<<2&0x03e0)|
(b>>3&0x001f);
}
static inline void setpixel_24bppRGB(BYTE r, BYTE g, BYTE b, BYTE a,
BYTE *row, UINT x)
{
row[x*3+2] = r;
row[x*3+1] = g;
row[x*3] = b;
}
static inline void setpixel_32bppRGB(BYTE r, BYTE g, BYTE b, BYTE a,
BYTE *row, UINT x)
{
*((DWORD*)(row)+x) = (r<<16)|(g<<8)|b;
}
static inline void setpixel_32bppARGB(BYTE r, BYTE g, BYTE b, BYTE a,
BYTE *row, UINT x)
{
*((DWORD*)(row)+x) = (a<<24)|(r<<16)|(g<<8)|b;
}
static inline void setpixel_32bppPARGB(BYTE r, BYTE g, BYTE b, BYTE a,
BYTE *row, UINT x)
{
r = r * a / 255;
g = g * a / 255;
b = b * a / 255;
*((DWORD*)(row)+x) = (a<<24)|(r<<16)|(g<<8)|b;
}
static inline void setpixel_48bppRGB(BYTE r, BYTE g, BYTE b, BYTE a,
BYTE *row, UINT x)
{
row[x*6+5] = row[x*6+4] = r;
row[x*6+3] = row[x*6+2] = g;
row[x*6+1] = row[x*6] = b;
}
static inline void setpixel_64bppARGB(BYTE r, BYTE g, BYTE b, BYTE a,
BYTE *row, UINT x)
{
UINT64 a64=a, r64=r, g64=g, b64=b;
*((UINT64*)(row)+x) = (a64<<56)|(a64<<48)|(r64<<40)|(r64<<32)|(g64<<24)|(g64<<16)|(b64<<8)|b64;
}
static inline void setpixel_64bppPARGB(BYTE r, BYTE g, BYTE b, BYTE a,
BYTE *row, UINT x)
{
UINT64 a64, r64, g64, b64;
a64 = a * 257;
r64 = r * a / 255;
g64 = g * a / 255;
b64 = b * a / 255;
*((UINT64*)(row)+x) = (a64<<48)|(r64<<32)|(g64<<16)|b64;
}
GpStatus WINGDIPAPI GdipBitmapSetPixel(GpBitmap* bitmap, INT x, INT y,
ARGB color)
{
BYTE a, r, g, b;
BYTE *row;
TRACE("bitmap:%p, x:%d, y:%d, color:%08x\n", bitmap, x, y, color);
if(!bitmap || x < 0 || y < 0 || x >= bitmap->width || y >= bitmap->height)
return InvalidParameter;
a = color>>24;
r = color>>16;
g = color>>8;
b = color;
row = bitmap->bits + bitmap->stride * y;
switch (bitmap->format)
{
case PixelFormat16bppGrayScale:
setpixel_16bppGrayScale(r,g,b,a,row,x);
break;
case PixelFormat16bppRGB555:
setpixel_16bppRGB555(r,g,b,a,row,x);
break;
case PixelFormat16bppRGB565:
setpixel_16bppRGB565(r,g,b,a,row,x);
break;
case PixelFormat16bppARGB1555:
setpixel_16bppARGB1555(r,g,b,a,row,x);
break;
case PixelFormat24bppRGB:
setpixel_24bppRGB(r,g,b,a,row,x);
break;
case PixelFormat32bppRGB:
setpixel_32bppRGB(r,g,b,a,row,x);
break;
case PixelFormat32bppARGB:
setpixel_32bppARGB(r,g,b,a,row,x);
break;
case PixelFormat32bppPARGB:
setpixel_32bppPARGB(r,g,b,a,row,x);
break;
case PixelFormat48bppRGB:
setpixel_48bppRGB(r,g,b,a,row,x);
break;
case PixelFormat64bppARGB:
setpixel_64bppARGB(r,g,b,a,row,x);
break;
case PixelFormat64bppPARGB:
setpixel_64bppPARGB(r,g,b,a,row,x);
break;
default:
FIXME("not implemented for format 0x%x\n", bitmap->format);
return NotImplemented;
}
return Ok;
}
/* This function returns a pointer to an array of pixels that represents the
* bitmap. The *entire* bitmap is locked according to the lock mode specified by
* flags. It is correct behavior that a user who calls this function with write
* privileges can write to the whole bitmap (not just the area in rect).
*
* FIXME: only used portion of format is bits per pixel. */
GpStatus WINGDIPAPI GdipBitmapLockBits(GpBitmap* bitmap, GDIPCONST GpRect* rect,
UINT flags, PixelFormat format, BitmapData* lockeddata)
{
BOOL bm_is_selected;
INT stride, bitspp = PIXELFORMATBPP(format);
HDC hdc;
HBITMAP hbm, old = NULL;
BITMAPINFO *pbmi;
BYTE *buff = NULL;
UINT abs_height;
GpRect act_rect; /* actual rect to be used */
TRACE("%p %p %d %d %p\n", bitmap, rect, flags, format, lockeddata);
if(!lockeddata || !bitmap)
return InvalidParameter;
if(rect){
if(rect->X < 0 || rect->Y < 0 || (rect->X + rect->Width > bitmap->width) ||
(rect->Y + rect->Height > bitmap->height) || !flags)
return InvalidParameter;
act_rect = *rect;
}
else{
act_rect.X = act_rect.Y = 0;
act_rect.Width = bitmap->width;
act_rect.Height = bitmap->height;
}
if(flags & ImageLockModeUserInputBuf)
return NotImplemented;
if(bitmap->lockmode)
return WrongState;
if (bitmap->bits && bitmap->format == format)
{
/* no conversion is necessary; just use the bits directly */
lockeddata->Width = act_rect.Width;
lockeddata->Height = act_rect.Height;
lockeddata->PixelFormat = format;
lockeddata->Reserved = flags;
lockeddata->Stride = bitmap->stride;
lockeddata->Scan0 = bitmap->bits + (bitspp / 8) * act_rect.X +
bitmap->stride * act_rect.Y;
bitmap->lockmode = flags;
bitmap->numlocks++;
return Ok;
}
hbm = bitmap->hbitmap;
hdc = bitmap->hdc;
bm_is_selected = (hdc != 0);
pbmi = GdipAlloc(sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD));
if (!pbmi)
return OutOfMemory;
pbmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
pbmi->bmiHeader.biBitCount = 0;
if(!bm_is_selected){
hdc = CreateCompatibleDC(0);
old = SelectObject(hdc, hbm);
}
/* fill out bmi */
GetDIBits(hdc, hbm, 0, 0, NULL, pbmi, DIB_RGB_COLORS);
abs_height = abs(pbmi->bmiHeader.biHeight);
stride = pbmi->bmiHeader.biWidth * bitspp / 8;
stride = (stride + 3) & ~3;
buff = GdipAlloc(stride * abs_height);
pbmi->bmiHeader.biBitCount = bitspp;
if(buff)
GetDIBits(hdc, hbm, 0, abs_height, buff, pbmi, DIB_RGB_COLORS);
if(!bm_is_selected){
SelectObject(hdc, old);
DeleteDC(hdc);
}
if(!buff){
GdipFree(pbmi);
return OutOfMemory;
}
lockeddata->Width = act_rect.Width;
lockeddata->Height = act_rect.Height;
lockeddata->PixelFormat = format;
lockeddata->Reserved = flags;
if(pbmi->bmiHeader.biHeight > 0){
lockeddata->Stride = -stride;
lockeddata->Scan0 = buff + (bitspp / 8) * act_rect.X +
stride * (abs_height - 1 - act_rect.Y);
}
else{
lockeddata->Stride = stride;
lockeddata->Scan0 = buff + (bitspp / 8) * act_rect.X + stride * act_rect.Y;
}
bitmap->lockmode = flags;
bitmap->numlocks++;
bitmap->bitmapbits = buff;
GdipFree(pbmi);
return Ok;
}
GpStatus WINGDIPAPI GdipBitmapSetResolution(GpBitmap* bitmap, REAL xdpi, REAL ydpi)
{
FIXME("(%p, %.2f, %.2f)\n", bitmap, xdpi, ydpi);
return NotImplemented;
}
GpStatus WINGDIPAPI GdipBitmapUnlockBits(GpBitmap* bitmap,
BitmapData* lockeddata)
{
HDC hdc;
HBITMAP hbm, old = NULL;
BOOL bm_is_selected;
BITMAPINFO *pbmi;
if(!bitmap || !lockeddata)
return InvalidParameter;
if(!bitmap->lockmode)
return WrongState;
if(lockeddata->Reserved & ImageLockModeUserInputBuf)
return NotImplemented;
if(lockeddata->Reserved & ImageLockModeRead){
if(!(--bitmap->numlocks))
bitmap->lockmode = 0;
GdipFree(bitmap->bitmapbits);
bitmap->bitmapbits = NULL;
return Ok;
}
if (!bitmap->bitmapbits)
{
/* we passed a direct reference; no need to do anything */
bitmap->lockmode = 0;
return Ok;
}
hbm = bitmap->hbitmap;
hdc = bitmap->hdc;
bm_is_selected = (hdc != 0);
pbmi = GdipAlloc(sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD));
pbmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
pbmi->bmiHeader.biBitCount = 0;
if(!bm_is_selected){
hdc = CreateCompatibleDC(0);
old = SelectObject(hdc, hbm);
}
GetDIBits(hdc, hbm, 0, 0, NULL, pbmi, DIB_RGB_COLORS);
pbmi->bmiHeader.biBitCount = PIXELFORMATBPP(lockeddata->PixelFormat);
SetDIBits(hdc, hbm, 0, abs(pbmi->bmiHeader.biHeight),
bitmap->bitmapbits, pbmi, DIB_RGB_COLORS);
if(!bm_is_selected){
SelectObject(hdc, old);
DeleteDC(hdc);
}
GdipFree(pbmi);
GdipFree(bitmap->bitmapbits);
bitmap->bitmapbits = NULL;
bitmap->lockmode = 0;
return Ok;
}
GpStatus WINGDIPAPI GdipCloneBitmapArea(REAL x, REAL y, REAL width, REAL height,
PixelFormat format, GpBitmap* srcBitmap, GpBitmap** dstBitmap)
{
BitmapData lockeddata_src, lockeddata_dst;
int i;
UINT row_size;
Rect area;
GpStatus stat;
TRACE("(%f,%f,%f,%f,%i,%p,%p)\n", x, y, width, height, format, srcBitmap, dstBitmap);
if (!srcBitmap || !dstBitmap || srcBitmap->image.type != ImageTypeBitmap ||
x < 0 || y < 0 ||
x + width > srcBitmap->width || y + height > srcBitmap->height)
{
TRACE("<-- InvalidParameter\n");
return InvalidParameter;
}
if (format == PixelFormatDontCare)
format = srcBitmap->format;
area.X = roundr(x);
area.Y = roundr(y);
area.Width = roundr(width);
area.Height = roundr(height);
stat = GdipBitmapLockBits(srcBitmap, &area, ImageLockModeRead, format,
&lockeddata_src);
if (stat != Ok) return stat;
stat = GdipCreateBitmapFromScan0(lockeddata_src.Width, lockeddata_src.Height,
0, lockeddata_src.PixelFormat, NULL, dstBitmap);
if (stat == Ok)
{
stat = GdipBitmapLockBits(*dstBitmap, NULL, ImageLockModeWrite,
lockeddata_src.PixelFormat, &lockeddata_dst);
if (stat == Ok)
{
/* copy the image data */
row_size = (lockeddata_src.Width * PIXELFORMATBPP(lockeddata_src.PixelFormat) +7)/8;
for (i=0; i<lockeddata_src.Height; i++)
memcpy((BYTE*)lockeddata_dst.Scan0+lockeddata_dst.Stride*i,
(BYTE*)lockeddata_src.Scan0+lockeddata_src.Stride*i,
row_size);
GdipBitmapUnlockBits(*dstBitmap, &lockeddata_dst);
}
if (stat != Ok)
GdipDisposeImage((GpImage*)*dstBitmap);
}
GdipBitmapUnlockBits(srcBitmap, &lockeddata_src);
if (stat != Ok)
{
*dstBitmap = NULL;
}
return stat;
}
GpStatus WINGDIPAPI GdipCloneBitmapAreaI(INT x, INT y, INT width, INT height,
PixelFormat format, GpBitmap* srcBitmap, GpBitmap** dstBitmap)
{
TRACE("(%i,%i,%i,%i,%i,%p,%p)\n", x, y, width, height, format, srcBitmap, dstBitmap);
return GdipCloneBitmapArea(x, y, width, height, format, srcBitmap, dstBitmap);
}
GpStatus WINGDIPAPI GdipCloneImage(GpImage *image, GpImage **cloneImage)
{
GpStatus stat = GenericError;
TRACE("%p, %p\n", image, cloneImage);
if (!image || !cloneImage)
return InvalidParameter;
if (image->picture)
{
IStream* stream;
HRESULT hr;
INT size;
LARGE_INTEGER move;
hr = CreateStreamOnHGlobal(0, TRUE, &stream);
if (FAILED(hr))
return GenericError;
hr = IPicture_SaveAsFile(image->picture, stream, FALSE, &size);
if(FAILED(hr))
{
WARN("Failed to save image on stream\n");
goto out;
}
/* Set seek pointer back to the beginning of the picture */
move.QuadPart = 0;
hr = IStream_Seek(stream, move, STREAM_SEEK_SET, NULL);
if (FAILED(hr))
goto out;
stat = GdipLoadImageFromStream(stream, cloneImage);
if (stat != Ok) WARN("Failed to load image from stream\n");
out:
IStream_Release(stream);
return stat;
}
else if (image->type == ImageTypeBitmap)
{
GpBitmap *bitmap = (GpBitmap*)image;
BitmapData lockeddata_src, lockeddata_dst;
int i;
UINT row_size;
stat = GdipBitmapLockBits(bitmap, NULL, ImageLockModeRead, bitmap->format,
&lockeddata_src);
if (stat != Ok) return stat;
stat = GdipCreateBitmapFromScan0(lockeddata_src.Width, lockeddata_src.Height,
0, lockeddata_src.PixelFormat, NULL, (GpBitmap**)cloneImage);
if (stat == Ok)
{
stat = GdipBitmapLockBits((GpBitmap*)*cloneImage, NULL, ImageLockModeWrite,
lockeddata_src.PixelFormat, &lockeddata_dst);
if (stat == Ok)
{
/* copy the image data */
row_size = (lockeddata_src.Width * PIXELFORMATBPP(lockeddata_src.PixelFormat) +7)/8;
for (i=0; i<lockeddata_src.Height; i++)
memcpy((BYTE*)lockeddata_dst.Scan0+lockeddata_dst.Stride*i,
(BYTE*)lockeddata_src.Scan0+lockeddata_src.Stride*i,
row_size);
GdipBitmapUnlockBits((GpBitmap*)*cloneImage, &lockeddata_dst);
}
if (stat != Ok)
GdipDisposeImage(*cloneImage);
}
GdipBitmapUnlockBits(bitmap, &lockeddata_src);
if (stat != Ok)
{
*cloneImage = NULL;
}
else memcpy(&(*cloneImage)->format, &image->format, sizeof(GUID));
return stat;
}
else
{
ERR("GpImage with no IPicture or bitmap?!\n");
return NotImplemented;
}
}
GpStatus WINGDIPAPI GdipCreateBitmapFromFile(GDIPCONST WCHAR* filename,
GpBitmap **bitmap)
{
GpStatus stat;
IStream *stream;
TRACE("(%s) %p\n", debugstr_w(filename), bitmap);
if(!filename || !bitmap)
return InvalidParameter;
stat = GdipCreateStreamOnFile(filename, GENERIC_READ, &stream);
if(stat != Ok)
return stat;
stat = GdipCreateBitmapFromStream(stream, bitmap);
IStream_Release(stream);
return stat;
}
GpStatus WINGDIPAPI GdipCreateBitmapFromGdiDib(GDIPCONST BITMAPINFO* info,
VOID *bits, GpBitmap **bitmap)
{
DWORD height, stride;
PixelFormat format;
FIXME("(%p, %p, %p) - partially implemented\n", info, bits, bitmap);
height = abs(info->bmiHeader.biHeight);
stride = ((info->bmiHeader.biWidth * info->bmiHeader.biBitCount + 31) >> 3) & ~3;
if(info->bmiHeader.biHeight > 0) /* bottom-up */
{
bits = (BYTE*)bits + (height - 1) * stride;
stride = -stride;
}
switch(info->bmiHeader.biBitCount) {
case 1:
format = PixelFormat1bppIndexed;
break;
case 4:
format = PixelFormat4bppIndexed;
break;
case 8:
format = PixelFormat8bppIndexed;
break;
case 24:
format = PixelFormat24bppRGB;
break;
default:
FIXME("don't know how to handle %d bpp\n", info->bmiHeader.biBitCount);
*bitmap = NULL;
return InvalidParameter;
}
return GdipCreateBitmapFromScan0(info->bmiHeader.biWidth, height, stride, format,
bits, bitmap);
}
/* FIXME: no icm */
GpStatus WINGDIPAPI GdipCreateBitmapFromFileICM(GDIPCONST WCHAR* filename,
GpBitmap **bitmap)
{
TRACE("(%s) %p\n", debugstr_w(filename), bitmap);
return GdipCreateBitmapFromFile(filename, bitmap);
}
GpStatus WINGDIPAPI GdipCreateBitmapFromResource(HINSTANCE hInstance,
GDIPCONST WCHAR* lpBitmapName, GpBitmap** bitmap)
{
HBITMAP hbm;
GpStatus stat = InvalidParameter;
TRACE("%p (%s) %p\n", hInstance, debugstr_w(lpBitmapName), bitmap);
if(!lpBitmapName || !bitmap)
return InvalidParameter;
/* load DIB */
hbm = LoadImageW(hInstance, lpBitmapName, IMAGE_BITMAP, 0, 0,
LR_CREATEDIBSECTION);
if(hbm){
stat = GdipCreateBitmapFromHBITMAP(hbm, NULL, bitmap);
DeleteObject(hbm);
}
return stat;
}
GpStatus WINGDIPAPI GdipCreateHBITMAPFromBitmap(GpBitmap* bitmap,
HBITMAP* hbmReturn, ARGB background)
{
GpStatus stat;
HBITMAP result, oldbitmap;
UINT width, height;
HDC hdc;
GpGraphics *graphics;
BITMAPINFOHEADER bih;
void *bits;
TRACE("(%p,%p,%x)\n", bitmap, hbmReturn, background);
if (!bitmap || !hbmReturn) return InvalidParameter;
GdipGetImageWidth((GpImage*)bitmap, &width);
GdipGetImageHeight((GpImage*)bitmap, &height);
bih.biSize = sizeof(bih);
bih.biWidth = width;
bih.biHeight = height;
bih.biPlanes = 1;
bih.biBitCount = 32;
bih.biCompression = BI_RGB;
bih.biSizeImage = 0;
bih.biXPelsPerMeter = 0;
bih.biYPelsPerMeter = 0;
bih.biClrUsed = 0;
bih.biClrImportant = 0;
hdc = CreateCompatibleDC(NULL);
if (!hdc) return GenericError;
result = CreateDIBSection(hdc, (BITMAPINFO*)&bih, DIB_RGB_COLORS, &bits,
NULL, 0);
if (result)
{
oldbitmap = SelectObject(hdc, result);
stat = GdipCreateFromHDC(hdc, &graphics);
if (stat == Ok)
{
stat = GdipGraphicsClear(graphics, background);
if (stat == Ok)
stat = GdipDrawImage(graphics, (GpImage*)bitmap, 0, 0);
GdipDeleteGraphics(graphics);
}
SelectObject(hdc, oldbitmap);
}
else
stat = GenericError;
DeleteDC(hdc);
if (stat != Ok && result)
{
DeleteObject(result);
result = NULL;
}
*hbmReturn = result;
return stat;
}
GpStatus WINGDIPAPI GdipConvertToEmfPlus(const GpGraphics* ref,
GpMetafile* metafile, BOOL* succ, EmfType emfType,
const WCHAR* description, GpMetafile** out_metafile)
{
static int calls;
if(!ref || !metafile || !out_metafile)
return InvalidParameter;
*succ = FALSE;
*out_metafile = NULL;
if(!(calls++))
FIXME("not implemented\n");
return NotImplemented;
}
/* FIXME: this should create a bitmap in the given size with the attributes
* (resolution etc.) of the graphics object */
GpStatus WINGDIPAPI GdipCreateBitmapFromGraphics(INT width, INT height,
GpGraphics* target, GpBitmap** bitmap)
{
static int calls;
GpStatus ret;
if(!target || !bitmap)
return InvalidParameter;
if(!(calls++))
FIXME("hacked stub\n");
ret = GdipCreateBitmapFromScan0(width, height, 0, PixelFormat24bppRGB,
NULL, bitmap);
return ret;
}
GpStatus WINGDIPAPI GdipCreateBitmapFromHICON(HICON hicon, GpBitmap** bitmap)
{
GpStatus stat;
ICONINFO iinfo;
BITMAP bm;
int ret;
UINT width, height;
GpRect rect;
BitmapData lockeddata;
HDC screendc;
BOOL has_alpha;
int x, y;
BYTE *bits;
BITMAPINFOHEADER bih;
DWORD *src;
BYTE *dst_row;
DWORD *dst;
TRACE("%p, %p\n", hicon, bitmap);
if(!bitmap || !GetIconInfo(hicon, &iinfo))
return InvalidParameter;
/* get the size of the icon */
ret = GetObjectA(iinfo.hbmColor ? iinfo.hbmColor : iinfo.hbmMask, sizeof(bm), &bm);
if (ret == 0) {
DeleteObject(iinfo.hbmColor);
DeleteObject(iinfo.hbmMask);
return GenericError;
}
width = bm.bmWidth;
if (iinfo.hbmColor)
height = abs(bm.bmHeight);
else /* combined bitmap + mask */
height = abs(bm.bmHeight) / 2;
bits = HeapAlloc(GetProcessHeap(), 0, 4*width*height);
if (!bits) {
DeleteObject(iinfo.hbmColor);
DeleteObject(iinfo.hbmMask);
return OutOfMemory;
}
stat = GdipCreateBitmapFromScan0(width, height, 0, PixelFormat32bppARGB, NULL, bitmap);
if (stat != Ok) {
DeleteObject(iinfo.hbmColor);
DeleteObject(iinfo.hbmMask);
HeapFree(GetProcessHeap(), 0, bits);
return stat;
}
rect.X = 0;
rect.Y = 0;
rect.Width = width;
rect.Height = height;
stat = GdipBitmapLockBits(*bitmap, &rect, ImageLockModeWrite, PixelFormat32bppARGB, &lockeddata);
if (stat != Ok) {
DeleteObject(iinfo.hbmColor);
DeleteObject(iinfo.hbmMask);
HeapFree(GetProcessHeap(), 0, bits);
GdipDisposeImage((GpImage*)*bitmap);
return stat;
}
bih.biSize = sizeof(bih);
bih.biWidth = width;
bih.biHeight = -height;
bih.biPlanes = 1;
bih.biBitCount = 32;
bih.biCompression = BI_RGB;
bih.biSizeImage = 0;
bih.biXPelsPerMeter = 0;
bih.biYPelsPerMeter = 0;
bih.biClrUsed = 0;
bih.biClrImportant = 0;
screendc = GetDC(0);
if (iinfo.hbmColor)
{
GetDIBits(screendc, iinfo.hbmColor, 0, height, bits, (BITMAPINFO*)&bih, DIB_RGB_COLORS);
if (bm.bmBitsPixel == 32)
{
has_alpha = FALSE;
/* If any pixel has a non-zero alpha, ignore hbmMask */
src = (DWORD*)bits;
for (x=0; x<width && !has_alpha; x++)
for (y=0; y<height && !has_alpha; y++)
if ((*src++ & 0xff000000) != 0)
has_alpha = TRUE;
}
else has_alpha = FALSE;
}
else
{
GetDIBits(screendc, iinfo.hbmMask, 0, height, bits, (BITMAPINFO*)&bih, DIB_RGB_COLORS);
has_alpha = FALSE;
}
/* copy the image data to the Bitmap */
src = (DWORD*)bits;
dst_row = lockeddata.Scan0;
for (y=0; y<height; y++)
{
memcpy(dst_row, src, width*4);
src += width;
dst_row += lockeddata.Stride;
}
if (!has_alpha)
{
if (iinfo.hbmMask)
{
/* read alpha data from the mask */
if (iinfo.hbmColor)
GetDIBits(screendc, iinfo.hbmMask, 0, height, bits, (BITMAPINFO*)&bih, DIB_RGB_COLORS);
else
GetDIBits(screendc, iinfo.hbmMask, height, height, bits, (BITMAPINFO*)&bih, DIB_RGB_COLORS);
src = (DWORD*)bits;
dst_row = lockeddata.Scan0;
for (y=0; y<height; y++)
{
dst = (DWORD*)dst_row;
for (x=0; x<height; x++)
{
DWORD src_value = *src++;
if (src_value)
*dst++ = 0;
else
*dst++ |= 0xff000000;
}
dst_row += lockeddata.Stride;
}
}
else
{
/* set constant alpha of 255 */
dst_row = bits;
for (y=0; y<height; y++)
{
dst = (DWORD*)dst_row;
for (x=0; x<height; x++)
*dst++ |= 0xff000000;
dst_row += lockeddata.Stride;
}
}
}
ReleaseDC(0, screendc);
DeleteObject(iinfo.hbmColor);
DeleteObject(iinfo.hbmMask);
GdipBitmapUnlockBits(*bitmap, &lockeddata);
HeapFree(GetProcessHeap(), 0, bits);
return Ok;
}
static void generate_halftone_palette(ARGB *entries, UINT count)
{
static const BYTE halftone_values[6]={0x00,0x33,0x66,0x99,0xcc,0xff};
UINT i;
for (i=0; i<8 && i<count; i++)
{
entries[i] = 0xff000000;
if (i&1) entries[i] |= 0x800000;
if (i&2) entries[i] |= 0x8000;
if (i&4) entries[i] |= 0x80;
}
if (8 < count)
entries[i] = 0xffc0c0c0;
for (i=9; i<16 && i<count; i++)
{
entries[i] = 0xff000000;
if (i&1) entries[i] |= 0xff0000;
if (i&2) entries[i] |= 0xff00;
if (i&4) entries[i] |= 0xff;
}
for (i=16; i<40 && i<count; i++)
{
entries[i] = 0;
}
for (i=40; i<256 && i<count; i++)
{
entries[i] = 0xff000000;
entries[i] |= halftone_values[(i-40)%6];
entries[i] |= halftone_values[((i-40)/6)%6] << 8;
entries[i] |= halftone_values[((i-40)/36)%6] << 16;
}
}
GpStatus WINGDIPAPI GdipCreateBitmapFromScan0(INT width, INT height, INT stride,
PixelFormat format, BYTE* scan0, GpBitmap** bitmap)
{
BITMAPINFOHEADER bmih;
HBITMAP hbitmap;
INT row_size, dib_stride;
HDC hdc;
BYTE *bits;
int i;
TRACE("%d %d %d %d %p %p\n", width, height, stride, format, scan0, bitmap);
if (!bitmap) return InvalidParameter;
if(width <= 0 || height <= 0 || (scan0 && (stride % 4))){
*bitmap = NULL;
return InvalidParameter;
}
if(scan0 && !stride)
return InvalidParameter;
row_size = (width * PIXELFORMATBPP(format)+7) / 8;
dib_stride = (row_size + 3) & ~3;
if(stride == 0)
stride = dib_stride;
bmih.biSize = sizeof(BITMAPINFOHEADER);
bmih.biWidth = width;
bmih.biHeight = -height;
bmih.biPlanes = 1;
/* FIXME: use the rest of the data from format */
bmih.biBitCount = PIXELFORMATBPP(format);
bmih.biCompression = BI_RGB;
bmih.biSizeImage = 0;
bmih.biXPelsPerMeter = 0;
bmih.biYPelsPerMeter = 0;
bmih.biClrUsed = 0;
bmih.biClrImportant = 0;
hdc = CreateCompatibleDC(NULL);
if (!hdc) return GenericError;
hbitmap = CreateDIBSection(hdc, (BITMAPINFO*)&bmih, DIB_RGB_COLORS, (void**)&bits,
NULL, 0);
DeleteDC(hdc);
if (!hbitmap) return GenericError;
/* copy bits to the dib if necessary */
/* FIXME: should reference the bits instead of copying them */
if (scan0)
for (i=0; i<height; i++)
memcpy(bits+i*dib_stride, scan0+i*stride, row_size);
*bitmap = GdipAlloc(sizeof(GpBitmap));
if(!*bitmap)
{
DeleteObject(hbitmap);
return OutOfMemory;
}
(*bitmap)->image.type = ImageTypeBitmap;
memcpy(&(*bitmap)->image.format, &ImageFormatMemoryBMP, sizeof(GUID));
(*bitmap)->image.flags = ImageFlagsNone;
(*bitmap)->image.palette_flags = 0;
(*bitmap)->image.palette_count = 0;
(*bitmap)->image.palette_size = 0;
(*bitmap)->image.palette_entries = NULL;
(*bitmap)->width = width;
(*bitmap)->height = height;
(*bitmap)->format = format;
(*bitmap)->image.picture = NULL;
(*bitmap)->hbitmap = hbitmap;
(*bitmap)->hdc = NULL;
(*bitmap)->bits = bits;
(*bitmap)->stride = dib_stride;
if (format == PixelFormat1bppIndexed ||
format == PixelFormat4bppIndexed ||
format == PixelFormat8bppIndexed)
{
(*bitmap)->image.palette_size = (*bitmap)->image.palette_count = 1 << PIXELFORMATBPP(format);
(*bitmap)->image.palette_entries = GdipAlloc(sizeof(ARGB) * ((*bitmap)->image.palette_size));
if (!(*bitmap)->image.palette_entries)
{
GdipDisposeImage(&(*bitmap)->image);
*bitmap = NULL;
return OutOfMemory;
}
if (format == PixelFormat1bppIndexed)
{
(*bitmap)->image.palette_flags = PaletteFlagsGrayScale;
(*bitmap)->image.palette_entries[0] = 0xff000000;
(*bitmap)->image.palette_entries[1] = 0xffffffff;
}
else
{
if (format == PixelFormat8bppIndexed)
(*bitmap)->image.palette_flags = PaletteFlagsHalftone;
generate_halftone_palette((*bitmap)->image.palette_entries,
(*bitmap)->image.palette_count);
}
}
TRACE("<-- %p\n", *bitmap);
return Ok;
}
GpStatus WINGDIPAPI GdipCreateBitmapFromStream(IStream* stream,
GpBitmap **bitmap)
{
GpStatus stat;
TRACE("%p %p\n", stream, bitmap);
stat = GdipLoadImageFromStream(stream, (GpImage**) bitmap);
if(stat != Ok)
return stat;
if((*bitmap)->image.type != ImageTypeBitmap){
GdipDisposeImage(&(*bitmap)->image);
*bitmap = NULL;
return GenericError; /* FIXME: what error to return? */
}
return Ok;
}
/* FIXME: no icm */
GpStatus WINGDIPAPI GdipCreateBitmapFromStreamICM(IStream* stream,
GpBitmap **bitmap)
{
TRACE("%p %p\n", stream, bitmap);
return GdipCreateBitmapFromStream(stream, bitmap);
}
GpStatus WINGDIPAPI GdipCreateCachedBitmap(GpBitmap *bitmap, GpGraphics *graphics,
GpCachedBitmap **cachedbmp)
{
GpStatus stat;
TRACE("%p %p %p\n", bitmap, graphics, cachedbmp);
if(!bitmap || !graphics || !cachedbmp)
return InvalidParameter;
*cachedbmp = GdipAlloc(sizeof(GpCachedBitmap));
if(!*cachedbmp)
return OutOfMemory;
stat = GdipCloneImage(&(bitmap->image), &(*cachedbmp)->image);
if(stat != Ok){
GdipFree(*cachedbmp);
return stat;
}
return Ok;
}
GpStatus WINGDIPAPI GdipCreateHICONFromBitmap(GpBitmap *bitmap, HICON *hicon)
{
FIXME("(%p, %p)\n", bitmap, hicon);
return NotImplemented;
}
GpStatus WINGDIPAPI GdipDeleteCachedBitmap(GpCachedBitmap *cachedbmp)
{
TRACE("%p\n", cachedbmp);
if(!cachedbmp)
return InvalidParameter;
GdipDisposeImage(cachedbmp->image);
GdipFree(cachedbmp);
return Ok;
}
GpStatus WINGDIPAPI GdipDrawCachedBitmap(GpGraphics *graphics,
GpCachedBitmap *cachedbmp, INT x, INT y)
{
TRACE("%p %p %d %d\n", graphics, cachedbmp, x, y);
if(!graphics || !cachedbmp)
return InvalidParameter;
return GdipDrawImage(graphics, cachedbmp->image, (REAL)x, (REAL)y);
}
GpStatus WINGDIPAPI GdipEmfToWmfBits(HENHMETAFILE hemf, UINT cbData16,
LPBYTE pData16, INT iMapMode, INT eFlags)
{
FIXME("(%p, %d, %p, %d, %d): stub\n", hemf, cbData16, pData16, iMapMode, eFlags);
return NotImplemented;
}
GpStatus WINGDIPAPI GdipDisposeImage(GpImage *image)
{
TRACE("%p\n", image);
if(!image)
return InvalidParameter;
if (image->picture)
IPicture_Release(image->picture);
if (image->type == ImageTypeBitmap)
{
GdipFree(((GpBitmap*)image)->bitmapbits);
DeleteDC(((GpBitmap*)image)->hdc);
}
GdipFree(image->palette_entries);
GdipFree(image);
return Ok;
}
GpStatus WINGDIPAPI GdipFindFirstImageItem(GpImage *image, ImageItemData* item)
{
if(!image || !item)
return InvalidParameter;
return NotImplemented;
}
GpStatus WINGDIPAPI GdipGetImageBounds(GpImage *image, GpRectF *srcRect,
GpUnit *srcUnit)
{
TRACE("%p %p %p\n", image, srcRect, srcUnit);
if(!image || !srcRect || !srcUnit)
return InvalidParameter;
if(image->type == ImageTypeMetafile){
*srcRect = ((GpMetafile*)image)->bounds;
*srcUnit = ((GpMetafile*)image)->unit;
}
else if(image->type == ImageTypeBitmap){
srcRect->X = srcRect->Y = 0.0;
srcRect->Width = (REAL) ((GpBitmap*)image)->width;
srcRect->Height = (REAL) ((GpBitmap*)image)->height;
*srcUnit = UnitPixel;
}
else{
srcRect->X = srcRect->Y = 0.0;
srcRect->Width = ipicture_pixel_width(image->picture);
srcRect->Height = ipicture_pixel_height(image->picture);
*srcUnit = UnitPixel;
}
TRACE("returning (%f, %f) (%f, %f) unit type %d\n", srcRect->X, srcRect->Y,
srcRect->Width, srcRect->Height, *srcUnit);
return Ok;
}
GpStatus WINGDIPAPI GdipGetImageDimension(GpImage *image, REAL *width,
REAL *height)
{
TRACE("%p %p %p\n", image, width, height);
if(!image || !height || !width)
return InvalidParameter;
if(image->type == ImageTypeMetafile){
HDC hdc = GetDC(0);
*height = convert_unit(hdc, ((GpMetafile*)image)->unit) *
((GpMetafile*)image)->bounds.Height;
*width = convert_unit(hdc, ((GpMetafile*)image)->unit) *
((GpMetafile*)image)->bounds.Width;
ReleaseDC(0, hdc);
}
else if(image->type == ImageTypeBitmap){
*height = ((GpBitmap*)image)->height;
*width = ((GpBitmap*)image)->width;
}
else{
*height = ipicture_pixel_height(image->picture);
*width = ipicture_pixel_width(image->picture);
}
TRACE("returning (%f, %f)\n", *height, *width);
return Ok;
}
GpStatus WINGDIPAPI GdipGetImageGraphicsContext(GpImage *image,
GpGraphics **graphics)
{
HDC hdc;
TRACE("%p %p\n", image, graphics);
if(!image || !graphics)
return InvalidParameter;
if(image->type != ImageTypeBitmap){
FIXME("not implemented for image type %d\n", image->type);
return NotImplemented;
}
hdc = ((GpBitmap*)image)->hdc;
if(!hdc){
hdc = CreateCompatibleDC(0);
SelectObject(hdc, ((GpBitmap*)image)->hbitmap);
((GpBitmap*)image)->hdc = hdc;
}
return GdipCreateFromHDC(hdc, graphics);
}
GpStatus WINGDIPAPI GdipGetImageHeight(GpImage *image, UINT *height)
{
TRACE("%p %p\n", image, height);
if(!image || !height)
return InvalidParameter;
if(image->type == ImageTypeMetafile){
HDC hdc = GetDC(0);
*height = roundr(convert_unit(hdc, ((GpMetafile*)image)->unit) *
((GpMetafile*)image)->bounds.Height);
ReleaseDC(0, hdc);
}
else if(image->type == ImageTypeBitmap)
*height = ((GpBitmap*)image)->height;
else
*height = ipicture_pixel_height(image->picture);
TRACE("returning %d\n", *height);
return Ok;
}
GpStatus WINGDIPAPI GdipGetImageHorizontalResolution(GpImage *image, REAL *res)
{
static int calls;
if(!image || !res)
return InvalidParameter;
if(!(calls++))
FIXME("not implemented\n");
return NotImplemented;
}
GpStatus WINGDIPAPI GdipGetImagePaletteSize(GpImage *image, INT *size)
{
TRACE("%p %p\n", image, size);
if(!image || !size)
return InvalidParameter;
if (image->palette_count == 0)
*size = sizeof(ColorPalette);
else
*size = sizeof(UINT)*2 + sizeof(ARGB)*image->palette_count;
TRACE("<-- %u\n", *size);
return Ok;
}
/* FIXME: test this function for non-bitmap types */
GpStatus WINGDIPAPI GdipGetImagePixelFormat(GpImage *image, PixelFormat *format)
{
TRACE("%p %p\n", image, format);
if(!image || !format)
return InvalidParameter;
if(image->type != ImageTypeBitmap)
*format = PixelFormat24bppRGB;
else
*format = ((GpBitmap*) image)->format;
return Ok;
}
GpStatus WINGDIPAPI GdipGetImageRawFormat(GpImage *image, GUID *format)
{
if(!image || !format)
return InvalidParameter;
memcpy(format, &image->format, sizeof(GUID));
return Ok;
}
GpStatus WINGDIPAPI GdipGetImageType(GpImage *image, ImageType *type)
{
TRACE("%p %p\n", image, type);
if(!image || !type)
return InvalidParameter;
*type = image->type;
return Ok;
}
GpStatus WINGDIPAPI GdipGetImageVerticalResolution(GpImage *image, REAL *res)
{
static int calls;
if(!image || !res)
return InvalidParameter;
if(!(calls++))
FIXME("not implemented\n");
return NotImplemented;
}
GpStatus WINGDIPAPI GdipGetImageWidth(GpImage *image, UINT *width)
{
TRACE("%p %p\n", image, width);
if(!image || !width)
return InvalidParameter;
if(image->type == ImageTypeMetafile){
HDC hdc = GetDC(0);
*width = roundr(convert_unit(hdc, ((GpMetafile*)image)->unit) *
((GpMetafile*)image)->bounds.Width);
ReleaseDC(0, hdc);
}
else if(image->type == ImageTypeBitmap)
*width = ((GpBitmap*)image)->width;
else
*width = ipicture_pixel_width(image->picture);
TRACE("returning %d\n", *width);
return Ok;
}
GpStatus WINGDIPAPI GdipGetMetafileHeaderFromMetafile(GpMetafile * metafile,
MetafileHeader * header)
{
static int calls;
if(!metafile || !header)
return InvalidParameter;
if(!(calls++))
FIXME("not implemented\n");
return Ok;
}
GpStatus WINGDIPAPI GdipGetAllPropertyItems(GpImage *image, UINT size,
UINT num, PropertyItem* items)
{
static int calls;
if(!(calls++))
FIXME("not implemented\n");
return InvalidParameter;
}
GpStatus WINGDIPAPI GdipGetPropertyCount(GpImage *image, UINT* num)
{
static int calls;
if(!(calls++))
FIXME("not implemented\n");
return InvalidParameter;
}
GpStatus WINGDIPAPI GdipGetPropertyIdList(GpImage *image, UINT num, PROPID* list)
{
static int calls;
if(!(calls++))
FIXME("not implemented\n");
return InvalidParameter;
}
GpStatus WINGDIPAPI GdipGetPropertyItem(GpImage *image, PROPID id, UINT size,
PropertyItem* buffer)
{
static int calls;
if(!(calls++))
FIXME("not implemented\n");
return InvalidParameter;
}
GpStatus WINGDIPAPI GdipGetPropertyItemSize(GpImage *image, PROPID pid,
UINT* size)
{
static int calls;
TRACE("%p %x %p\n", image, pid, size);
if(!size || !image)
return InvalidParameter;
if(!(calls++))
FIXME("not implemented\n");
return NotImplemented;
}
GpStatus WINGDIPAPI GdipGetPropertySize(GpImage *image, UINT* size, UINT* num)
{
static int calls;
if(!(calls++))
FIXME("not implemented\n");
return InvalidParameter;
}
GpStatus WINGDIPAPI GdipImageGetFrameCount(GpImage *image,
GDIPCONST GUID* dimensionID, UINT* count)
{
static int calls;
if(!image || !dimensionID || !count)
return InvalidParameter;
if(!(calls++))
FIXME("not implemented\n");
return NotImplemented;
}
GpStatus WINGDIPAPI GdipImageGetFrameDimensionsCount(GpImage *image,
UINT* count)
{
if(!image || !count)
return InvalidParameter;
*count = 1;
FIXME("stub\n");
return Ok;
}
GpStatus WINGDIPAPI GdipImageGetFrameDimensionsList(GpImage* image,
GUID* dimensionIDs, UINT count)
{
static int calls;
if(!image || !dimensionIDs)
return InvalidParameter;
if(!(calls++))
FIXME("not implemented\n");
return Ok;
}
GpStatus WINGDIPAPI GdipImageSelectActiveFrame(GpImage *image,
GDIPCONST GUID* dimensionID, UINT frameidx)
{
static int calls;
if(!image || !dimensionID)
return InvalidParameter;
if(!(calls++))
FIXME("not implemented\n");
return Ok;
}
GpStatus WINGDIPAPI GdipLoadImageFromFile(GDIPCONST WCHAR* filename,
GpImage **image)
{
GpStatus stat;
IStream *stream;
TRACE("(%s) %p\n", debugstr_w(filename), image);
if (!filename || !image)
return InvalidParameter;
stat = GdipCreateStreamOnFile(filename, GENERIC_READ, &stream);
if (stat != Ok)
return stat;
stat = GdipLoadImageFromStream(stream, image);
IStream_Release(stream);
return stat;
}
/* FIXME: no icm handling */
GpStatus WINGDIPAPI GdipLoadImageFromFileICM(GDIPCONST WCHAR* filename,GpImage **image)
{
TRACE("(%s) %p\n", debugstr_w(filename), image);
return GdipLoadImageFromFile(filename, image);
}
static const WICPixelFormatGUID *wic_pixel_formats[] = {
&GUID_WICPixelFormat16bppBGR555,
&GUID_WICPixelFormat24bppBGR,
&GUID_WICPixelFormat32bppBGR,
&GUID_WICPixelFormat32bppBGRA,
&GUID_WICPixelFormat32bppPBGRA,
NULL
};
static const PixelFormat wic_gdip_formats[] = {
PixelFormat16bppRGB555,
PixelFormat24bppRGB,
PixelFormat32bppRGB,
PixelFormat32bppARGB,
PixelFormat32bppPARGB,
};
static GpStatus decode_image_wic(IStream* stream, REFCLSID clsid, GpImage **image)
{
GpStatus status=Ok;
GpBitmap *bitmap;
HRESULT hr;
IWICBitmapDecoder *decoder;
IWICBitmapFrameDecode *frame;
IWICBitmapSource *source=NULL;
WICPixelFormatGUID wic_format;
PixelFormat gdip_format=0;
int i;
UINT width, height;
BitmapData lockeddata;
WICRect wrc;
HRESULT initresult;
initresult = CoInitialize(NULL);
hr = CoCreateInstance(clsid, NULL, CLSCTX_INPROC_SERVER,
&IID_IWICBitmapDecoder, (void**)&decoder);
if (FAILED(hr)) goto end;
hr = IWICBitmapDecoder_Initialize(decoder, (IStream*)stream, WICDecodeMetadataCacheOnLoad);
if (SUCCEEDED(hr))
hr = IWICBitmapDecoder_GetFrame(decoder, 0, &frame);
if (SUCCEEDED(hr)) /* got frame */
{
hr = IWICBitmapFrameDecode_GetPixelFormat(frame, &wic_format);
if (SUCCEEDED(hr))
{
for (i=0; wic_pixel_formats[i]; i++)
{
if (IsEqualGUID(&wic_format, wic_pixel_formats[i]))
{
source = (IWICBitmapSource*)frame;
IWICBitmapSource_AddRef(source);
gdip_format = wic_gdip_formats[i];
break;
}
}
if (!source)
{
/* unknown format; fall back on 32bppARGB */
hr = WICConvertBitmapSource(&GUID_WICPixelFormat32bppBGRA, (IWICBitmapSource*)frame, &source);
gdip_format = PixelFormat32bppARGB;
}
}
if (SUCCEEDED(hr)) /* got source */
{
hr = IWICBitmapSource_GetSize(source, &width, &height);
if (SUCCEEDED(hr))
status = GdipCreateBitmapFromScan0(width, height, 0, gdip_format,
NULL, &bitmap);
if (SUCCEEDED(hr) && status == Ok) /* created bitmap */
{
status = GdipBitmapLockBits(bitmap, NULL, ImageLockModeWrite,
gdip_format, &lockeddata);
if (status == Ok) /* locked bitmap */
{
wrc.X = 0;
wrc.Width = width;
wrc.Height = 1;
for (i=0; i<height; i++)
{
wrc.Y = i;
hr = IWICBitmapSource_CopyPixels(source, &wrc, abs(lockeddata.Stride),
abs(lockeddata.Stride), (BYTE*)lockeddata.Scan0+lockeddata.Stride*i);
if (FAILED(hr)) break;
}
GdipBitmapUnlockBits(bitmap, &lockeddata);
}
if (SUCCEEDED(hr) && status == Ok)
*image = (GpImage*)bitmap;
else
{
*image = NULL;
GdipDisposeImage((GpImage*)bitmap);
}
}
IWICBitmapSource_Release(source);
}
IWICBitmapFrameDecode_Release(frame);
}
IWICBitmapDecoder_Release(decoder);
end:
if (SUCCEEDED(initresult)) CoUninitialize();
if (FAILED(hr) && status == Ok) status = hresult_to_status(hr);
return status;
}
static GpStatus decode_image_icon(IStream* stream, REFCLSID clsid, GpImage **image)
{
return decode_image_wic(stream, &CLSID_WICIcoDecoder, image);
}
static GpStatus decode_image_bmp(IStream* stream, REFCLSID clsid, GpImage **image)
{
GpStatus status;
GpBitmap* bitmap;
status = decode_image_wic(stream, &CLSID_WICBmpDecoder, image);
bitmap = (GpBitmap*)*image;
if (status == Ok && bitmap->format == PixelFormat32bppARGB)
{
/* WIC supports bmp files with alpha, but gdiplus does not */
bitmap->format = PixelFormat32bppRGB;
}
return status;
}
static GpStatus decode_image_jpeg(IStream* stream, REFCLSID clsid, GpImage **image)
{
return decode_image_wic(stream, &CLSID_WICJpegDecoder, image);
}
static GpStatus decode_image_png(IStream* stream, REFCLSID clsid, GpImage **image)
{
return decode_image_wic(stream, &CLSID_WICPngDecoder, image);
}
static GpStatus decode_image_gif(IStream* stream, REFCLSID clsid, GpImage **image)
{
return decode_image_wic(stream, &CLSID_WICGifDecoder, image);
}
static GpStatus decode_image_olepicture_metafile(IStream* stream, REFCLSID clsid, GpImage **image)
{
IPicture *pic;
TRACE("%p %p\n", stream, image);
if(!stream || !image)
return InvalidParameter;
if(OleLoadPicture(stream, 0, FALSE, &IID_IPicture,
(LPVOID*) &pic) != S_OK){
TRACE("Could not load picture\n");
return GenericError;
}
/* FIXME: missing initialization code */
*image = GdipAlloc(sizeof(GpMetafile));
if(!*image) return OutOfMemory;
(*image)->type = ImageTypeMetafile;
(*image)->picture = pic;
(*image)->flags = ImageFlagsNone;
(*image)->palette_flags = 0;
(*image)->palette_count = 0;
(*image)->palette_size = 0;
(*image)->palette_entries = NULL;
TRACE("<-- %p\n", *image);
return Ok;
}
typedef GpStatus (*encode_image_func)(GpImage *image, IStream* stream,
GDIPCONST CLSID* clsid, GDIPCONST EncoderParameters* params);
typedef GpStatus (*decode_image_func)(IStream *stream, REFCLSID clsid, GpImage** image);
typedef struct image_codec {
ImageCodecInfo info;
encode_image_func encode_func;
decode_image_func decode_func;
} image_codec;
typedef enum {
BMP,
JPEG,
GIF,
EMF,
WMF,
PNG,
ICO,
NUM_CODECS
} ImageFormat;
static const struct image_codec codecs[NUM_CODECS];
static GpStatus get_decoder_info(IStream* stream, const struct image_codec **result)
{
BYTE signature[8];
LARGE_INTEGER seek;
HRESULT hr;
UINT bytesread;
int i, j;
/* seek to the start of the stream */
seek.QuadPart = 0;
hr = IStream_Seek(stream, seek, STREAM_SEEK_SET, NULL);
if (FAILED(hr)) return hresult_to_status(hr);
/* read the first 8 bytes */
/* FIXME: This assumes all codecs have one signature <= 8 bytes in length */
hr = IStream_Read(stream, signature, 8, &bytesread);
if (FAILED(hr)) return hresult_to_status(hr);
if (hr == S_FALSE || bytesread == 0) return GenericError;
for (i = 0; i < NUM_CODECS; i++) {
if ((codecs[i].info.Flags & ImageCodecFlagsDecoder) &&
bytesread >= codecs[i].info.SigSize)
{
for (j=0; j<codecs[i].info.SigSize; j++)
if ((signature[j] & codecs[i].info.SigMask[j]) != codecs[i].info.SigPattern[j])
break;
if (j == codecs[i].info.SigSize)
{
*result = &codecs[i];
return Ok;
}
}
}
TRACE("no match for %i byte signature %x %x %x %x %x %x %x %x\n", bytesread,
signature[0],signature[1],signature[2],signature[3],
signature[4],signature[5],signature[6],signature[7]);
return GenericError;
}
GpStatus WINGDIPAPI GdipLoadImageFromStream(IStream* stream, GpImage **image)
{
GpStatus stat;
LARGE_INTEGER seek;
HRESULT hr;
const struct image_codec *codec=NULL;
/* choose an appropriate image decoder */
stat = get_decoder_info(stream, &codec);
if (stat != Ok) return stat;
/* seek to the start of the stream */
seek.QuadPart = 0;
hr = IStream_Seek(stream, seek, STREAM_SEEK_SET, NULL);
if (FAILED(hr)) return hresult_to_status(hr);
/* call on the image decoder to do the real work */
stat = codec->decode_func(stream, &codec->info.Clsid, image);
/* take note of the original data format */
if (stat == Ok)
{
memcpy(&(*image)->format, &codec->info.FormatID, sizeof(GUID));
}
return stat;
}
/* FIXME: no ICM */
GpStatus WINGDIPAPI GdipLoadImageFromStreamICM(IStream* stream, GpImage **image)
{
TRACE("%p %p\n", stream, image);
return GdipLoadImageFromStream(stream, image);
}
GpStatus WINGDIPAPI GdipRemovePropertyItem(GpImage *image, PROPID propId)
{
static int calls;
if(!image)
return InvalidParameter;
if(!(calls++))
FIXME("not implemented\n");
return NotImplemented;
}
GpStatus WINGDIPAPI GdipSetPropertyItem(GpImage *image, GDIPCONST PropertyItem* item)
{
static int calls;
if(!(calls++))
FIXME("not implemented\n");
return NotImplemented;
}
GpStatus WINGDIPAPI GdipSaveImageToFile(GpImage *image, GDIPCONST WCHAR* filename,
GDIPCONST CLSID *clsidEncoder,
GDIPCONST EncoderParameters *encoderParams)
{
GpStatus stat;
IStream *stream;
TRACE("%p (%s) %p %p\n", image, debugstr_w(filename), clsidEncoder, encoderParams);
if (!image || !filename|| !clsidEncoder)
return InvalidParameter;
stat = GdipCreateStreamOnFile(filename, GENERIC_WRITE, &stream);
if (stat != Ok)
return GenericError;
stat = GdipSaveImageToStream(image, stream, clsidEncoder, encoderParams);
IStream_Release(stream);
return stat;
}
/*************************************************************************
* Encoding functions -
* These functions encode an image in different image file formats.
*/
#define BITMAP_FORMAT_BMP 0x4d42 /* "BM" */
#define BITMAP_FORMAT_JPEG 0xd8ff
#define BITMAP_FORMAT_GIF 0x4947
#define BITMAP_FORMAT_PNG 0x5089
#define BITMAP_FORMAT_APM 0xcdd7
static GpStatus encode_image_WIC(GpImage *image, IStream* stream,
GDIPCONST CLSID* clsid, GDIPCONST EncoderParameters* params)
{
GpStatus stat;
GpBitmap *bitmap;
IWICBitmapEncoder *encoder;
IWICBitmapFrameEncode *frameencode;
IPropertyBag2 *encoderoptions;
HRESULT hr;
UINT width, height;
PixelFormat gdipformat=0;
WICPixelFormatGUID wicformat;
GpRect rc;
BitmapData lockeddata;
HRESULT initresult;
UINT i;
if (image->type != ImageTypeBitmap)
return GenericError;
bitmap = (GpBitmap*)image;
GdipGetImageWidth(image, &width);
GdipGetImageHeight(image, &height);
rc.X = 0;
rc.Y = 0;
rc.Width = width;
rc.Height = height;
initresult = CoInitialize(NULL);
hr = CoCreateInstance(clsid, NULL, CLSCTX_INPROC_SERVER,
&IID_IWICBitmapEncoder, (void**)&encoder);
if (FAILED(hr))
{
if (SUCCEEDED(initresult)) CoUninitialize();
return hresult_to_status(hr);
}
hr = IWICBitmapEncoder_Initialize(encoder, stream, WICBitmapEncoderNoCache);
if (SUCCEEDED(hr))
{
hr = IWICBitmapEncoder_CreateNewFrame(encoder, &frameencode, &encoderoptions);
}
if (SUCCEEDED(hr)) /* created frame */
{
hr = IWICBitmapFrameEncode_Initialize(frameencode, encoderoptions);
if (SUCCEEDED(hr))
hr = IWICBitmapFrameEncode_SetSize(frameencode, width, height);
if (SUCCEEDED(hr))
/* FIXME: use the resolution from the image */
hr = IWICBitmapFrameEncode_SetResolution(frameencode, 96.0, 96.0);
if (SUCCEEDED(hr))
{
for (i=0; wic_pixel_formats[i]; i++)
{
if (wic_gdip_formats[i] == bitmap->format)
break;
}
if (wic_pixel_formats[i])
memcpy(&wicformat, wic_pixel_formats[i], sizeof(GUID));
else
memcpy(&wicformat, &GUID_WICPixelFormat32bppBGRA, sizeof(GUID));
hr = IWICBitmapFrameEncode_SetPixelFormat(frameencode, &wicformat);
for (i=0; wic_pixel_formats[i]; i++)
{
if (IsEqualGUID(&wicformat, wic_pixel_formats[i]))
break;
}
if (wic_pixel_formats[i])
gdipformat = wic_gdip_formats[i];
else
{
ERR("cannot provide pixel format %s\n", debugstr_guid(&wicformat));
hr = E_FAIL;
}
}
if (SUCCEEDED(hr))
{
stat = GdipBitmapLockBits(bitmap, &rc, ImageLockModeRead, gdipformat,
&lockeddata);
if (stat == Ok)
{
UINT row_size = (lockeddata.Width * PIXELFORMATBPP(gdipformat) + 7)/8;
BYTE *row;
/* write one row at a time in case stride is negative */
row = lockeddata.Scan0;
for (i=0; i<lockeddata.Height; i++)
{
hr = IWICBitmapFrameEncode_WritePixels(frameencode, 1, row_size, row_size, row);
if (FAILED(hr)) break;
row += lockeddata.Stride;
}
GdipBitmapUnlockBits(bitmap, &lockeddata);
}
else
hr = E_FAIL;
}
if (SUCCEEDED(hr))
hr = IWICBitmapFrameEncode_Commit(frameencode);
IWICBitmapFrameEncode_Release(frameencode);
IPropertyBag2_Release(encoderoptions);
}
if (SUCCEEDED(hr))
hr = IWICBitmapEncoder_Commit(encoder);
IWICBitmapEncoder_Release(encoder);
if (SUCCEEDED(initresult)) CoUninitialize();
return hresult_to_status(hr);
}
static GpStatus encode_image_BMP(GpImage *image, IStream* stream,
GDIPCONST CLSID* clsid, GDIPCONST EncoderParameters* params)
{
return encode_image_WIC(image, stream, &CLSID_WICBmpEncoder, params);
}
static GpStatus encode_image_png(GpImage *image, IStream* stream,
GDIPCONST CLSID* clsid, GDIPCONST EncoderParameters* params)
{
return encode_image_WIC(image, stream, &CLSID_WICPngEncoder, params);
}
/*****************************************************************************
* GdipSaveImageToStream [GDIPLUS.@]
*/
GpStatus WINGDIPAPI GdipSaveImageToStream(GpImage *image, IStream* stream,
GDIPCONST CLSID* clsid, GDIPCONST EncoderParameters* params)
{
GpStatus stat;
encode_image_func encode_image;
int i;
TRACE("%p %p %p %p\n", image, stream, clsid, params);
if(!image || !stream)
return InvalidParameter;
/* select correct encoder */
encode_image = NULL;
for (i = 0; i < NUM_CODECS; i++) {
if ((codecs[i].info.Flags & ImageCodecFlagsEncoder) &&
IsEqualCLSID(clsid, &codecs[i].info.Clsid))
encode_image = codecs[i].encode_func;
}
if (encode_image == NULL)
return UnknownImageFormat;
stat = encode_image(image, stream, clsid, params);
return stat;
}
/*****************************************************************************
* GdipGetImagePalette [GDIPLUS.@]
*/
GpStatus WINGDIPAPI GdipGetImagePalette(GpImage *image, ColorPalette *palette, INT size)
{
TRACE("(%p,%p,%i)\n", image, palette, size);
if (!image || !palette)
return InvalidParameter;
if (size < (sizeof(UINT)*2+sizeof(ARGB)*image->palette_count))
{
TRACE("<-- InsufficientBuffer\n");
return InsufficientBuffer;
}
palette->Flags = image->palette_flags;
palette->Count = image->palette_count;
memcpy(palette->Entries, image->palette_entries, sizeof(ARGB)*image->palette_count);
return Ok;
}
/*****************************************************************************
* GdipSetImagePalette [GDIPLUS.@]
*/
GpStatus WINGDIPAPI GdipSetImagePalette(GpImage *image,
GDIPCONST ColorPalette *palette)
{
TRACE("(%p,%p)\n", image, palette);
if(!image || !palette || palette->Count > 256)
return InvalidParameter;
if (palette->Count > image->palette_size)
{
ARGB *new_palette;
new_palette = GdipAlloc(sizeof(ARGB) * palette->Count);
if (!new_palette) return OutOfMemory;
GdipFree(image->palette_entries);
image->palette_entries = new_palette;
image->palette_size = palette->Count;
}
image->palette_flags = palette->Flags;
image->palette_count = palette->Count;
memcpy(image->palette_entries, palette->Entries, sizeof(ARGB)*palette->Count);
return Ok;
}
/*************************************************************************
* Encoders -
* Structures that represent which formats we support for encoding.
*/
/* ImageCodecInfo creation routines taken from libgdiplus */
static const WCHAR bmp_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'B', 'M', 'P', 0}; /* Built-in BMP */
static const WCHAR bmp_extension[] = {'*','.','B', 'M', 'P',';', '*','.', 'D','I', 'B',';', '*','.', 'R', 'L', 'E',0}; /* *.BMP;*.DIB;*.RLE */
static const WCHAR bmp_mimetype[] = {'i', 'm', 'a','g', 'e', '/', 'b', 'm', 'p', 0}; /* image/bmp */
static const WCHAR bmp_format[] = {'B', 'M', 'P', 0}; /* BMP */
static const BYTE bmp_sig_pattern[] = { 0x42, 0x4D };
static const BYTE bmp_sig_mask[] = { 0xFF, 0xFF };
static const WCHAR jpeg_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'J','P','E','G', 0};
static const WCHAR jpeg_extension[] = {'*','.','J','P','G',';', '*','.','J','P','E','G',';', '*','.','J','P','E',';', '*','.','J','F','I','F',0};
static const WCHAR jpeg_mimetype[] = {'i','m','a','g','e','/','j','p','e','g', 0};
static const WCHAR jpeg_format[] = {'J','P','E','G',0};
static const BYTE jpeg_sig_pattern[] = { 0xFF, 0xD8 };
static const BYTE jpeg_sig_mask[] = { 0xFF, 0xFF };
static const WCHAR gif_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'G','I','F', 0};
static const WCHAR gif_extension[] = {'*','.','G','I','F',0};
static const WCHAR gif_mimetype[] = {'i','m','a','g','e','/','g','i','f', 0};
static const WCHAR gif_format[] = {'G','I','F',0};
static const BYTE gif_sig_pattern[4] = "GIF8";
static const BYTE gif_sig_mask[] = { 0xFF, 0xFF, 0xFF, 0xFF };
static const WCHAR emf_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'E','M','F', 0};
static const WCHAR emf_extension[] = {'*','.','E','M','F',0};
static const WCHAR emf_mimetype[] = {'i','m','a','g','e','/','x','-','e','m','f', 0};
static const WCHAR emf_format[] = {'E','M','F',0};
static const BYTE emf_sig_pattern[] = { 0x01, 0x00, 0x00, 0x00 };
static const BYTE emf_sig_mask[] = { 0xFF, 0xFF, 0xFF, 0xFF };
static const WCHAR wmf_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'W','M','F', 0};
static const WCHAR wmf_extension[] = {'*','.','W','M','F',0};
static const WCHAR wmf_mimetype[] = {'i','m','a','g','e','/','x','-','w','m','f', 0};
static const WCHAR wmf_format[] = {'W','M','F',0};
static const BYTE wmf_sig_pattern[] = { 0xd7, 0xcd };
static const BYTE wmf_sig_mask[] = { 0xFF, 0xFF };
static const WCHAR png_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'P','N','G', 0};
static const WCHAR png_extension[] = {'*','.','P','N','G',0};
static const WCHAR png_mimetype[] = {'i','m','a','g','e','/','p','n','g', 0};
static const WCHAR png_format[] = {'P','N','G',0};
static const BYTE png_sig_pattern[] = { 137, 80, 78, 71, 13, 10, 26, 10, };
static const BYTE png_sig_mask[] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
static const WCHAR ico_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'I','C','O', 0};
static const WCHAR ico_extension[] = {'*','.','I','C','O',0};
static const WCHAR ico_mimetype[] = {'i','m','a','g','e','/','x','-','i','c','o','n', 0};
static const WCHAR ico_format[] = {'I','C','O',0};
static const BYTE ico_sig_pattern[] = { 0x00, 0x00, 0x01, 0x00 };
static const BYTE ico_sig_mask[] = { 0xFF, 0xFF, 0xFF, 0xFF };
static const struct image_codec codecs[NUM_CODECS] = {
{
{ /* BMP */
/* Clsid */ { 0x557cf400, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
/* FormatID */ { 0xb96b3cabU, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
/* CodecName */ bmp_codecname,
/* DllName */ NULL,
/* FormatDescription */ bmp_format,
/* FilenameExtension */ bmp_extension,
/* MimeType */ bmp_mimetype,
/* Flags */ ImageCodecFlagsEncoder | ImageCodecFlagsDecoder | ImageCodecFlagsSupportBitmap | ImageCodecFlagsBuiltin,
/* Version */ 1,
/* SigCount */ 1,
/* SigSize */ 2,
/* SigPattern */ bmp_sig_pattern,
/* SigMask */ bmp_sig_mask,
},
encode_image_BMP,
decode_image_bmp
},
{
{ /* JPEG */
/* Clsid */ { 0x557cf401, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
/* FormatID */ { 0xb96b3caeU, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
/* CodecName */ jpeg_codecname,
/* DllName */ NULL,
/* FormatDescription */ jpeg_format,
/* FilenameExtension */ jpeg_extension,
/* MimeType */ jpeg_mimetype,
/* Flags */ ImageCodecFlagsDecoder | ImageCodecFlagsSupportBitmap | ImageCodecFlagsBuiltin,
/* Version */ 1,
/* SigCount */ 1,
/* SigSize */ 2,
/* SigPattern */ jpeg_sig_pattern,
/* SigMask */ jpeg_sig_mask,
},
NULL,
decode_image_jpeg
},
{
{ /* GIF */
/* Clsid */ { 0x557cf402, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
/* FormatID */ { 0xb96b3cb0U, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
/* CodecName */ gif_codecname,
/* DllName */ NULL,
/* FormatDescription */ gif_format,
/* FilenameExtension */ gif_extension,
/* MimeType */ gif_mimetype,
/* Flags */ ImageCodecFlagsDecoder | ImageCodecFlagsSupportBitmap | ImageCodecFlagsBuiltin,
/* Version */ 1,
/* SigCount */ 1,
/* SigSize */ 4,
/* SigPattern */ gif_sig_pattern,
/* SigMask */ gif_sig_mask,
},
NULL,
decode_image_gif
},
{
{ /* EMF */
/* Clsid */ { 0x557cf403, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
/* FormatID */ { 0xb96b3cacU, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
/* CodecName */ emf_codecname,
/* DllName */ NULL,
/* FormatDescription */ emf_format,
/* FilenameExtension */ emf_extension,
/* MimeType */ emf_mimetype,
/* Flags */ ImageCodecFlagsDecoder | ImageCodecFlagsSupportVector | ImageCodecFlagsBuiltin,
/* Version */ 1,
/* SigCount */ 1,
/* SigSize */ 4,
/* SigPattern */ emf_sig_pattern,
/* SigMask */ emf_sig_mask,
},
NULL,
decode_image_olepicture_metafile
},
{
{ /* WMF */
/* Clsid */ { 0x557cf404, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
/* FormatID */ { 0xb96b3cadU, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
/* CodecName */ wmf_codecname,
/* DllName */ NULL,
/* FormatDescription */ wmf_format,
/* FilenameExtension */ wmf_extension,
/* MimeType */ wmf_mimetype,
/* Flags */ ImageCodecFlagsDecoder | ImageCodecFlagsSupportVector | ImageCodecFlagsBuiltin,
/* Version */ 1,
/* SigCount */ 1,
/* SigSize */ 2,
/* SigPattern */ wmf_sig_pattern,
/* SigMask */ wmf_sig_mask,
},
NULL,
decode_image_olepicture_metafile
},
{
{ /* PNG */
/* Clsid */ { 0x557cf406, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
/* FormatID */ { 0xb96b3cafU, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
/* CodecName */ png_codecname,
/* DllName */ NULL,
/* FormatDescription */ png_format,
/* FilenameExtension */ png_extension,
/* MimeType */ png_mimetype,
/* Flags */ ImageCodecFlagsEncoder | ImageCodecFlagsDecoder | ImageCodecFlagsSupportBitmap | ImageCodecFlagsBuiltin,
/* Version */ 1,
/* SigCount */ 1,
/* SigSize */ 8,
/* SigPattern */ png_sig_pattern,
/* SigMask */ png_sig_mask,
},
encode_image_png,
decode_image_png
},
{
{ /* ICO */
/* Clsid */ { 0x557cf407, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
/* FormatID */ { 0xb96b3cabU, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
/* CodecName */ ico_codecname,
/* DllName */ NULL,
/* FormatDescription */ ico_format,
/* FilenameExtension */ ico_extension,
/* MimeType */ ico_mimetype,
/* Flags */ ImageCodecFlagsDecoder | ImageCodecFlagsSupportBitmap | ImageCodecFlagsBuiltin,
/* Version */ 1,
/* SigCount */ 1,
/* SigSize */ 4,
/* SigPattern */ ico_sig_pattern,
/* SigMask */ ico_sig_mask,
},
NULL,
decode_image_icon
},
};
/*****************************************************************************
* GdipGetImageDecodersSize [GDIPLUS.@]
*/
GpStatus WINGDIPAPI GdipGetImageDecodersSize(UINT *numDecoders, UINT *size)
{
int decoder_count=0;
int i;
TRACE("%p %p\n", numDecoders, size);
if (!numDecoders || !size)
return InvalidParameter;
for (i=0; i<NUM_CODECS; i++)
{
if (codecs[i].info.Flags & ImageCodecFlagsDecoder)
decoder_count++;
}
*numDecoders = decoder_count;
*size = decoder_count * sizeof(ImageCodecInfo);
return Ok;
}
/*****************************************************************************
* GdipGetImageDecoders [GDIPLUS.@]
*/
GpStatus WINGDIPAPI GdipGetImageDecoders(UINT numDecoders, UINT size, ImageCodecInfo *decoders)
{
int i, decoder_count=0;
TRACE("%u %u %p\n", numDecoders, size, decoders);
if (!decoders ||
size != numDecoders * sizeof(ImageCodecInfo))
return GenericError;
for (i=0; i<NUM_CODECS; i++)
{
if (codecs[i].info.Flags & ImageCodecFlagsDecoder)
{
if (decoder_count == numDecoders) return GenericError;
memcpy(&decoders[decoder_count], &codecs[i].info, sizeof(ImageCodecInfo));
decoder_count++;
}
}
if (decoder_count < numDecoders) return GenericError;
return Ok;
}
/*****************************************************************************
* GdipGetImageEncodersSize [GDIPLUS.@]
*/
GpStatus WINGDIPAPI GdipGetImageEncodersSize(UINT *numEncoders, UINT *size)
{
int encoder_count=0;
int i;
TRACE("%p %p\n", numEncoders, size);
if (!numEncoders || !size)
return InvalidParameter;
for (i=0; i<NUM_CODECS; i++)
{
if (codecs[i].info.Flags & ImageCodecFlagsEncoder)
encoder_count++;
}
*numEncoders = encoder_count;
*size = encoder_count * sizeof(ImageCodecInfo);
return Ok;
}
/*****************************************************************************
* GdipGetImageEncoders [GDIPLUS.@]
*/
GpStatus WINGDIPAPI GdipGetImageEncoders(UINT numEncoders, UINT size, ImageCodecInfo *encoders)
{
int i, encoder_count=0;
TRACE("%u %u %p\n", numEncoders, size, encoders);
if (!encoders ||
size != numEncoders * sizeof(ImageCodecInfo))
return GenericError;
for (i=0; i<NUM_CODECS; i++)
{
if (codecs[i].info.Flags & ImageCodecFlagsEncoder)
{
if (encoder_count == numEncoders) return GenericError;
memcpy(&encoders[encoder_count], &codecs[i].info, sizeof(ImageCodecInfo));
encoder_count++;
}
}
if (encoder_count < numEncoders) return GenericError;
return Ok;
}
/*****************************************************************************
* GdipCreateBitmapFromHBITMAP [GDIPLUS.@]
*/
GpStatus WINGDIPAPI GdipCreateBitmapFromHBITMAP(HBITMAP hbm, HPALETTE hpal, GpBitmap** bitmap)
{
BITMAP bm;
GpStatus retval;
PixelFormat format;
BitmapData lockeddata;
INT y;
TRACE("%p %p %p\n", hbm, hpal, bitmap);
if(!hbm || !bitmap)
return InvalidParameter;
/* TODO: Support for device-dependent bitmaps */
if(hpal){
FIXME("no support for device-dependent bitmaps\n");
return NotImplemented;
}
if (GetObjectA(hbm, sizeof(bm), &bm) != sizeof(bm))
return InvalidParameter;
/* TODO: Figure out the correct format for 16, 32, 64 bpp */
switch(bm.bmBitsPixel) {
case 1:
format = PixelFormat1bppIndexed;
break;
case 4:
format = PixelFormat4bppIndexed;
break;
case 8:
format = PixelFormat8bppIndexed;
break;
case 24:
format = PixelFormat24bppRGB;
break;
case 32:
format = PixelFormat32bppRGB;
break;
case 48:
format = PixelFormat48bppRGB;
break;
default:
FIXME("don't know how to handle %d bpp\n", bm.bmBitsPixel);
return InvalidParameter;
}
retval = GdipCreateBitmapFromScan0(bm.bmWidth, bm.bmHeight, 0,
format, NULL, bitmap);
if (retval == Ok)
{
retval = GdipBitmapLockBits(*bitmap, NULL, ImageLockModeWrite,
format, &lockeddata);
if (retval == Ok)
{
if (bm.bmBits)
{
for (y=0; y<bm.bmHeight; y++)
{
memcpy((BYTE*)lockeddata.Scan0+lockeddata.Stride*y,
(BYTE*)bm.bmBits+bm.bmWidthBytes*(bm.bmHeight-1-y),
bm.bmWidthBytes);
}
}
else
{
HDC hdc;
HBITMAP oldhbm;
BITMAPINFO *pbmi;
INT src_height, dst_stride;
BYTE *dst_bits;
hdc = CreateCompatibleDC(NULL);
oldhbm = SelectObject(hdc, hbm);
pbmi = GdipAlloc(sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD));
if (pbmi)
{
pbmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
pbmi->bmiHeader.biBitCount = 0;
GetDIBits(hdc, hbm, 0, 0, NULL, pbmi, DIB_RGB_COLORS);
src_height = abs(pbmi->bmiHeader.biHeight);
if (pbmi->bmiHeader.biHeight > 0)
{
dst_bits = (BYTE*)lockeddata.Scan0+lockeddata.Stride*(src_height-1);
dst_stride = -lockeddata.Stride;
}
else
{
dst_bits = lockeddata.Scan0;
dst_stride = lockeddata.Stride;
}
for (y=0; y<src_height; y++)
{
GetDIBits(hdc, hbm, y, 1, dst_bits+dst_stride*y,
pbmi, DIB_RGB_COLORS);
}
GdipFree(pbmi);
}
else
retval = OutOfMemory;
SelectObject(hdc, oldhbm);
DeleteDC(hdc);
}
GdipBitmapUnlockBits(*bitmap, &lockeddata);
}
}
return retval;
}
GpStatus WINGDIPAPI GdipDeleteEffect(CGpEffect *effect)
{
FIXME("(%p): stub\n", effect);
/* note: According to Jose Roca's GDI+ Docs, this is not implemented
* in Windows's gdiplus */
return NotImplemented;
}
/*****************************************************************************
* GdipSetEffectParameters [GDIPLUS.@]
*/
GpStatus WINGDIPAPI GdipSetEffectParameters(CGpEffect *effect,
const VOID *params, const UINT size)
{
static int calls;
if(!(calls++))
FIXME("not implemented\n");
return NotImplemented;
}
/*****************************************************************************
* GdipGetImageFlags [GDIPLUS.@]
*/
GpStatus WINGDIPAPI GdipGetImageFlags(GpImage *image, UINT *flags)
{
TRACE("%p %p\n", image, flags);
if(!image || !flags)
return InvalidParameter;
*flags = image->flags;
return Ok;
}
GpStatus WINGDIPAPI GdipTestControl(GpTestControlEnum control, void *param)
{
TRACE("(%d, %p)\n", control, param);
switch(control){
case TestControlForceBilinear:
if(param)
FIXME("TestControlForceBilinear not handled\n");
break;
case TestControlNoICM:
if(param)
FIXME("TestControlNoICM not handled\n");
break;
case TestControlGetBuildNumber:
*((DWORD*)param) = 3102;
break;
}
return Ok;
}
GpStatus WINGDIPAPI GdipRecordMetafileFileName(GDIPCONST WCHAR* fileName,
HDC hdc, EmfType type, GDIPCONST GpRectF *pFrameRect,
MetafileFrameUnit frameUnit, GDIPCONST WCHAR *desc,
GpMetafile **metafile)
{
FIXME("%s %p %d %p %d %s %p stub!\n", debugstr_w(fileName), hdc, type, pFrameRect,
frameUnit, debugstr_w(desc), metafile);
return NotImplemented;
}
GpStatus WINGDIPAPI GdipRecordMetafileFileNameI(GDIPCONST WCHAR* fileName, HDC hdc, EmfType type,
GDIPCONST GpRect *pFrameRect, MetafileFrameUnit frameUnit,
GDIPCONST WCHAR *desc, GpMetafile **metafile)
{
FIXME("%s %p %d %p %d %s %p stub!\n", debugstr_w(fileName), hdc, type, pFrameRect,
frameUnit, debugstr_w(desc), metafile);
return NotImplemented;
}
GpStatus WINGDIPAPI GdipImageForceValidation(GpImage *image)
{
FIXME("%p\n", image);
return Ok;
}
/*****************************************************************************
* GdipGetImageThumbnail [GDIPLUS.@]
*/
GpStatus WINGDIPAPI GdipGetImageThumbnail(GpImage *image, UINT width, UINT height,
GpImage **ret_image, GetThumbnailImageAbort cb,
VOID * cb_data)
{
FIXME("(%p %u %u %p %p %p) stub\n",
image, width, height, ret_image, cb, cb_data);
return NotImplemented;
}
/*****************************************************************************
* GdipImageRotateFlip [GDIPLUS.@]
*/
GpStatus WINGDIPAPI GdipImageRotateFlip(GpImage *image, RotateFlipType type)
{
FIXME("(%p %u) stub\n", image, type);
return NotImplemented;
}
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