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gdiplus: Implement GdipBitmapSetPixel.

This commit is contained in:
Vincent Povirk 2009-09-23 11:22:39 -05:00 committed by Alexandre Julliard
parent 41140a950b
commit 809f721aba
2 changed files with 144 additions and 13 deletions
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141
dlls/gdiplus/image.c
View File

@ -265,19 +265,150 @@ GpStatus WINGDIPAPI GdipBitmapGetPixel(GpBitmap* bitmap, INT x, INT y,
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)
{
static int calls;
BYTE a, r, g, b;
BYTE *row;
TRACE("bitmap:%p, x:%d, y:%d, color:%08x\n", bitmap, x, y, color);
if(!bitmap)
if(!bitmap || x < 0 || y < 0 || x >= bitmap->width || y >= bitmap->height)
return InvalidParameter;
if(!(calls++))
FIXME("not implemented\n");
a = color>>24;
r = color>>16;
g = color>>8;
b = color;
return NotImplemented;
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

16
dlls/gdiplus/tests/image.c
View File

@ -825,25 +825,25 @@ static void test_getsetpixel(void)
expect(InvalidParameter, stat);
stat = GdipBitmapSetPixel(bitmap, -1, 1, 0);
todo_wine expect(InvalidParameter, stat);
expect(InvalidParameter, stat);
stat = GdipBitmapGetPixel(bitmap, 1, -1, &color);
expect(InvalidParameter, stat);
stat = GdipBitmapSetPixel(bitmap, 1, -1, 0);
todo_wine expect(InvalidParameter, stat);
expect(InvalidParameter, stat);
stat = GdipBitmapGetPixel(bitmap, 2, 1, &color);
expect(InvalidParameter, stat);
stat = GdipBitmapSetPixel(bitmap, 2, 1, 0);
todo_wine expect(InvalidParameter, stat);
expect(InvalidParameter, stat);
stat = GdipBitmapGetPixel(bitmap, 1, 2, &color);
expect(InvalidParameter, stat);
stat = GdipBitmapSetPixel(bitmap, 1, 2, 0);
todo_wine expect(InvalidParameter, stat);
expect(InvalidParameter, stat);
/* valid use */
stat = GdipBitmapGetPixel(bitmap, 1, 1, &color);
@ -855,18 +855,18 @@ static void test_getsetpixel(void)
expect(0xff0000ff, color);
stat = GdipBitmapSetPixel(bitmap, 1, 1, 0xff676869);
todo_wine expect(Ok, stat);
expect(Ok, stat);
stat = GdipBitmapSetPixel(bitmap, 0, 0, 0xff474849);
todo_wine expect(Ok, stat);
expect(Ok, stat);
stat = GdipBitmapGetPixel(bitmap, 1, 1, &color);
expect(Ok, stat);
todo_wine expect(0xff676869, color);
expect(0xff676869, color);
stat = GdipBitmapGetPixel(bitmap, 0, 0, &color);
expect(Ok, stat);
todo_wine expect(0xff474849, color);
expect(0xff474849, color);
stat = GdipDisposeImage((GpImage*)bitmap);
expect(Ok, stat);