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gdi32: Add inline helpers to compute DIB stride and total size.

oldstable
Alexandre Julliard 2011-07-19 14:09:03 +02:00
parent 1f8a0eb40e
commit eb87e694a2
9 changed files with 39 additions and 98 deletions
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4
dlls/gdi32/brush.c
View File

@ -62,9 +62,7 @@ static HGLOBAL dib_copy(const BITMAPINFO *info, UINT coloruse)
if (info->bmiHeader.biCompression != BI_RGB && info->bmiHeader.biCompression != BI_BITFIELDS)
size = info->bmiHeader.biSizeImage;
else
size = DIB_GetDIBImageBytes(info->bmiHeader.biWidth,
info->bmiHeader.biHeight,
info->bmiHeader.biBitCount);
size = get_dib_image_size(info);
size += bitmap_info_size( info, coloruse );
if (!(hmem = GlobalAlloc( GMEM_MOVEABLE, size )))

50
dlls/gdi32/dib.c
View File

@ -72,48 +72,6 @@
WINE_DEFAULT_DEBUG_CHANNEL(bitmap);
/*
Some of the following helper functions are duplicated in
dlls/x11drv/dib.c
*/
/***********************************************************************
* DIB_GetDIBWidthBytes
*
* Return the width of a DIB bitmap in bytes. DIB bitmap data is 32-bit aligned.
*/
int DIB_GetDIBWidthBytes( int width, int depth )
{
int words;
switch(depth)
{
case 1: words = (width + 31) / 32; break;
case 4: words = (width + 7) / 8; break;
case 8: words = (width + 3) / 4; break;
case 15:
case 16: words = (width + 1) / 2; break;
case 24: words = (width * 3 + 3)/4; break;
default:
WARN("(%d): Unsupported depth\n", depth );
/* fall through */
case 32:
words = width;
}
return 4 * words;
}
/***********************************************************************
* DIB_GetDIBImageBytes
*
* Return the number of bytes used to hold the image in a DIB bitmap.
*/
int DIB_GetDIBImageBytes( int width, int height, int depth )
{
return DIB_GetDIBWidthBytes( width, depth ) * abs( height );
}
/***********************************************************************
* bitmap_info_size
@ -472,9 +430,7 @@ static int fill_query_info( BITMAPINFO *info, BITMAPOBJ *bmp )
header.biBitCount = bmp->bitmap.bmBitsPixel;
}
header.biSizeImage = DIB_GetDIBImageBytes( bmp->bitmap.bmWidth,
bmp->bitmap.bmHeight,
bmp->bitmap.bmBitsPixel );
header.biSizeImage = get_dib_image_size( (BITMAPINFO *)&header );
header.biXPelsPerMeter = 0;
header.biYPelsPerMeter = 0;
header.biClrUsed = 0;
@ -652,7 +608,7 @@ INT WINAPI GetDIBits(
dst_info->bmiHeader.biPlanes = planes;
dst_info->bmiHeader.biBitCount = bpp;
dst_info->bmiHeader.biCompression = compr;
dst_info->bmiHeader.biSizeImage = DIB_GetDIBImageBytes( width, height, bpp );
dst_info->bmiHeader.biSizeImage = get_dib_image_size( dst_info );
dst_info->bmiHeader.biXPelsPerMeter = 0;
dst_info->bmiHeader.biYPelsPerMeter = 0;
dst_info->bmiHeader.biClrUsed = 0;
@ -971,7 +927,7 @@ HBITMAP WINAPI CreateDIBSection(HDC hdc, CONST BITMAPINFO *bmi, UINT usage,
dib->dsBm.bmType = 0;
dib->dsBm.bmWidth = width;
dib->dsBm.bmHeight = height >= 0 ? height : -height;
dib->dsBm.bmWidthBytes = DIB_GetDIBWidthBytes(width, bpp);
dib->dsBm.bmWidthBytes = get_dib_stride( width, bpp );
dib->dsBm.bmPlanes = planes;
dib->dsBm.bmBitsPixel = bpp;
dib->dsBm.bmBits = NULL;

2
dlls/gdi32/dibdrv/dc.c
View File

@ -72,7 +72,7 @@ static BOOL init_dib_info(dib_info *dib, const BITMAPINFOHEADER *bi, const DWORD
dib->bit_count = bi->biBitCount;
dib->width = bi->biWidth;
dib->height = bi->biHeight;
dib->stride = ((dib->width * dib->bit_count + 31) >> 3) & ~3;
dib->stride = get_dib_stride( dib->width, dib->bit_count );
dib->bits = bits;
dib->ptr_to_free = NULL;
dib->flags = flags;

4
dlls/gdi32/dibdrv/objects.c
View File

@ -1133,7 +1133,7 @@ static BOOL create_hatch_brush_bits(dibdrv_physdev *pdev)
copy_dib_color_info(&pdev->brush_dib, &pdev->dib);
pdev->brush_dib.width = 8;
pdev->brush_dib.height = 8;
pdev->brush_dib.stride = ((pdev->brush_dib.width * pdev->brush_dib.bit_count + 31) >> 3) & ~3;
pdev->brush_dib.stride = get_dib_stride( pdev->brush_dib.width, pdev->brush_dib.bit_count );
size = pdev->brush_dib.height * pdev->brush_dib.stride;
@ -1294,7 +1294,7 @@ HBRUSH dibdrv_SelectBrush( PHYSDEV dev, HBRUSH hbrush )
pdev->brush_dib.height = orig_dib.height;
pdev->brush_dib.width = orig_dib.width;
pdev->brush_dib.stride = ((pdev->brush_dib.width * pdev->brush_dib.bit_count + 31) >> 3) & ~3;
pdev->brush_dib.stride = get_dib_stride( pdev->brush_dib.width, pdev->brush_dib.bit_count );
pdev->brush_dib.ptr_to_free = HeapAlloc( GetProcessHeap(), 0, pdev->brush_dib.height * pdev->brush_dib.stride );
pdev->brush_dib.bits = pdev->brush_dib.ptr_to_free;

19
dlls/gdi32/enhmfdrv/bitblt.c
View File

@ -99,7 +99,7 @@ BOOL EMFDRV_StretchBlt( PHYSDEV devDst, struct bitblt_coords *dst,
nBPP = BM.bmPlanes * BM.bmBitsPixel;
if(nBPP > 8) nBPP = 24; /* FIXME Can't get 16bpp to work for some reason */
bitsSize = DIB_GetDIBWidthBytes(BM.bmWidth, nBPP) * BM.bmHeight;
bitsSize = get_dib_stride( BM.bmWidth, nBPP ) * BM.bmHeight;
bmiSize = sizeof(BITMAPINFOHEADER) +
(nBPP <= 8 ? 1 << nBPP : 0) * sizeof(RGBQUAD);
@ -175,11 +175,8 @@ INT EMFDRV_StretchDIBits( PHYSDEV dev, INT xDst, INT yDst, INT widthDst, INT hei
{
EMRSTRETCHDIBITS *emr;
BOOL ret;
UINT bmi_size=0, bits_size, emr_size;
bits_size = DIB_GetDIBImageBytes(info->bmiHeader.biWidth,
info->bmiHeader.biHeight,
info->bmiHeader.biBitCount);
UINT bmi_size=0, emr_size;
UINT bits_size = get_dib_image_size(info);
/* calculate the size of the colour table */
bmi_size = bitmap_info_size(info, wUsage);
@ -235,13 +232,9 @@ INT EMFDRV_SetDIBitsToDevice( PHYSDEV dev, INT xDst, INT yDst, DWORD width, DWOR
LPCVOID bits, const BITMAPINFO *info, UINT wUsage )
{
EMRSETDIBITSTODEVICE* pEMR;
DWORD size, bmiSize, bitsSize;
bmiSize = bitmap_info_size(info, wUsage);
bitsSize = DIB_GetDIBImageBytes( info->bmiHeader.biWidth,
info->bmiHeader.biHeight,
info->bmiHeader.biBitCount );
size = sizeof(EMRSETDIBITSTODEVICE) + bmiSize + bitsSize;
DWORD bmiSize = bitmap_info_size(info, wUsage);
DWORD bitsSize = get_dib_image_size( info );
DWORD size = sizeof(EMRSETDIBITSTODEVICE) + bmiSize + bitsSize;
pEMR = HeapAlloc(GetProcessHeap(), 0, size);
if (!pEMR) return 0;

6
dlls/gdi32/enhmfdrv/objects.c
View File

@ -171,9 +171,7 @@ DWORD EMFDRV_CreateBrushIndirect( PHYSDEV dev, HBRUSH hBrush )
if (info->bmiHeader.biCompression)
bmSize = info->bmiHeader.biSizeImage;
else
bmSize = DIB_GetDIBImageBytes(info->bmiHeader.biWidth,
info->bmiHeader.biHeight,
info->bmiHeader.biBitCount);
bmSize = get_dib_image_size( info );
biSize = bitmap_info_size(info, LOWORD(logbrush.lbColor));
size = sizeof(EMRCREATEDIBPATTERNBRUSHPT) + biSize + bmSize;
emr = HeapAlloc( GetProcessHeap(), 0, size );
@ -212,7 +210,7 @@ DWORD EMFDRV_CreateBrushIndirect( PHYSDEV dev, HBRUSH hBrush )
}
/* BMP will be aligned to 32 bits, not 16 */
bmSize = DIB_GetDIBImageBytes(bm.bmWidth, bm.bmHeight, bm.bmBitsPixel);
bmSize = get_dib_stride(bm.bmWidth, bm.bmBitsPixel) * bm.bmHeight;
biSize = sizeof(BITMAPINFOHEADER);
/* FIXME: There is an extra DWORD written by native before the BMI.

14
dlls/gdi32/gdi_private.h
View File

@ -22,6 +22,7 @@
#define __WINE_GDI_PRIVATE_H
#include <math.h>
#include <stdlib.h>
#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
@ -336,8 +337,6 @@ extern void DC_InitDC( DC * dc ) DECLSPEC_HIDDEN;
extern void DC_UpdateXforms( DC * dc ) DECLSPEC_HIDDEN;
/* dib.c */
extern int DIB_GetDIBWidthBytes( int width, int depth ) DECLSPEC_HIDDEN;
extern int DIB_GetDIBImageBytes( int width, int height, int depth ) DECLSPEC_HIDDEN;
extern int bitmap_info_size( const BITMAPINFO * info, WORD coloruse ) DECLSPEC_HIDDEN;
extern int DIB_GetBitmapInfo( const BITMAPINFOHEADER *header, LONG *width,
LONG *height, WORD *planes, WORD *bpp, DWORD *compr, DWORD *size ) DECLSPEC_HIDDEN;
@ -545,4 +544,15 @@ static inline void offset_rect( RECT *rect, int offset_x, int offset_y )
rect->bottom += offset_y;
}
static inline int get_dib_stride( int width, int bpp )
{
return ((width * bpp + 31) >> 3) & ~3;
}
static inline int get_dib_image_size( const BITMAPINFO *info )
{
return get_dib_stride( info->bmiHeader.biWidth, info->bmiHeader.biBitCount )
* abs( info->bmiHeader.biHeight );
}
#endif /* __WINE_GDI_PRIVATE_H */

32
dlls/gdi32/mfdrv/bitblt.c
View File

@ -69,7 +69,7 @@ BOOL MFDRV_StretchBlt( PHYSDEV devDst, struct bitblt_coords *dst,
if(nBPP > 8) nBPP = 24; /* FIXME Can't get 16bpp to work for some reason */
len = sizeof(METARECORD) + 10 * sizeof(INT16)
+ sizeof(BITMAPINFOHEADER) + (nBPP <= 8 ? 1 << nBPP: 0) * sizeof(RGBQUAD)
+ DIB_GetDIBWidthBytes(BM.bmWidth, nBPP) * BM.bmHeight;
+ get_dib_stride( BM.bmWidth, nBPP ) * BM.bmHeight;
if (!(mr = HeapAlloc( GetProcessHeap(), 0, len)))
return FALSE;
mr->rdFunction = META_DIBSTRETCHBLT;
@ -79,7 +79,7 @@ BOOL MFDRV_StretchBlt( PHYSDEV devDst, struct bitblt_coords *dst,
lpBMI->biHeight = BM.bmHeight;
lpBMI->biPlanes = 1;
lpBMI->biBitCount = nBPP;
lpBMI->biSizeImage = DIB_GetDIBWidthBytes(BM.bmWidth, nBPP) * lpBMI->biHeight;
lpBMI->biSizeImage = get_dib_image_size( (BITMAPINFO *)lpBMI );
lpBMI->biClrUsed = nBPP <= 8 ? 1 << nBPP : 0;
lpBMI->biCompression = BI_RGB;
lpBMI->biXPelsPerMeter = MulDiv(GetDeviceCaps(devSrc->hdc,LOGPIXELSX),3937,100);
@ -135,16 +135,10 @@ INT MFDRV_StretchDIBits( PHYSDEV dev, INT xDst, INT yDst, INT widthDst,
INT heightSrc, const void *bits,
const BITMAPINFO *info, UINT wUsage, DWORD dwRop )
{
DWORD len, infosize, imagesize;
METARECORD *mr;
infosize = bitmap_info_size(info, wUsage);
imagesize = DIB_GetDIBImageBytes( info->bmiHeader.biWidth,
info->bmiHeader.biHeight,
info->bmiHeader.biBitCount );
len = sizeof(METARECORD) + 10 * sizeof(WORD) + infosize + imagesize;
mr = HeapAlloc( GetProcessHeap(), 0, len );
DWORD infosize = bitmap_info_size(info, wUsage);
DWORD imagesize = get_dib_image_size( info );
DWORD len = sizeof(METARECORD) + 10 * sizeof(WORD) + infosize + imagesize;
METARECORD *mr = HeapAlloc( GetProcessHeap(), 0, len );
if(!mr) return 0;
mr->rdSize = len / 2;
@ -177,16 +171,10 @@ INT MFDRV_SetDIBitsToDevice( PHYSDEV dev, INT xDst, INT yDst, DWORD cx,
UINT coloruse )
{
DWORD len, infosize, imagesize;
METARECORD *mr;
infosize = bitmap_info_size(info, coloruse);
imagesize = DIB_GetDIBImageBytes( info->bmiHeader.biWidth,
info->bmiHeader.biHeight,
info->bmiHeader.biBitCount );
len = sizeof(METARECORD) + 8 * sizeof(WORD) + infosize + imagesize;
mr = HeapAlloc( GetProcessHeap(), 0, len );
DWORD infosize = bitmap_info_size(info, coloruse);
DWORD imagesize = get_dib_image_size( info );
DWORD len = sizeof(METARECORD) + 8 * sizeof(WORD) + infosize + imagesize;
METARECORD *mr = HeapAlloc( GetProcessHeap(), 0, len );
if(!mr) return 0;
mr->rdSize = len / 2;

6
dlls/gdi32/mfdrv/objects.c
View File

@ -249,7 +249,7 @@ INT16 MFDRV_CreateBrushIndirect(PHYSDEV dev, HBRUSH hBrush )
goto done;
}
bmSize = DIB_GetDIBImageBytes(bm.bmWidth, bm.bmHeight, DIB_PAL_COLORS);
bmSize = get_dib_stride( bm.bmWidth, bm.bmBitsPixel) * bm.bmHeight;
size = sizeof(METARECORD) + sizeof(WORD) + sizeof(BITMAPINFO) +
sizeof(RGBQUAD) + bmSize;
@ -303,9 +303,7 @@ INT16 MFDRV_CreateBrushIndirect(PHYSDEV dev, HBRUSH hBrush )
if (info->bmiHeader.biCompression)
bmSize = info->bmiHeader.biSizeImage;
else
bmSize = DIB_GetDIBImageBytes(info->bmiHeader.biWidth,
info->bmiHeader.biHeight,
info->bmiHeader.biBitCount);
bmSize = get_dib_image_size( info );
biSize = bitmap_info_size(info, LOWORD(logbrush.lbColor));
size = sizeof(METARECORD) + biSize + bmSize + 2;
mr = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size);