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Moved some code around to avoid exporting DIB functions from gdi32.

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This commit is contained in:
Alexandre Julliard 2004-01-13 23:31:46 +00:00
parent d160d46c7d
commit 53145d96f6
8 changed files with 204 additions and 111 deletions
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4
dlls/gdi/gdi32.spec
View File

@ -442,10 +442,6 @@
# Wine dll separation hacks, these will go away, don't use them
#
@ cdecl DC_GetDCPtr(long)
@ cdecl DIB_BitmapInfoSize(ptr long)
@ cdecl DIB_CreateDIBFromBitmap(long long)
@ cdecl DIB_CreateDIBSection(long ptr long ptr long long long)
@ cdecl DIB_GetDIBImageBytes(long long long)
@ cdecl DIB_GetDIBWidthBytes(long long)
@ cdecl GDI_GetObjPtr(long long)
@ cdecl GDI_ReleaseObj(long)

2
dlls/x11drv/bitmap.c
View File

@ -537,7 +537,7 @@ Pixmap X11DRV_BITMAP_CreatePixmapFromBitmap( HBITMAP hBmp, HDC hdc )
* A packed DIB contains a BITMAPINFO structure followed immediately by
* an optional color palette and the pixel data.
*/
hPackedDIB = DIB_CreateDIBFromBitmap(hdc, hBmp);
hPackedDIB = X11DRV_DIB_CreateDIBFromBitmap(hdc, hBmp);
/* Create a Pixmap from the packed DIB */
pixmap = X11DRV_DIB_CreatePixmapFromDIB( hPackedDIB, hdc );

2
dlls/x11drv/brush.c
View File

@ -273,7 +273,7 @@ HBRUSH X11DRV_SelectBrush( X11DRV_PDEVICE *physDev, HBRUSH hbrush )
TRACE("BS_DIBPATTERN\n");
if ((bmpInfo = (BITMAPINFO *) GlobalLock16( (HGLOBAL16)logbrush.lbHatch )))
{
int size = DIB_BitmapInfoSize( bmpInfo, logbrush.lbColor );
int size = X11DRV_DIB_BitmapInfoSize( bmpInfo, logbrush.lbColor );
hBitmap = CreateDIBitmap( physDev->hdc, &bmpInfo->bmiHeader,
CBM_INIT, ((char *)bmpInfo) + size,
bmpInfo,

146
dlls/x11drv/dib.c
View File

@ -112,6 +112,60 @@ inline static int X11DRV_DIB_GetXImageWidthBytes( int width, int depth )
}
/***********************************************************************
* X11DRV_DIB_GetDIBWidthBytes
*
* Return the width of a DIB bitmap in bytes. DIB bitmap data is 32-bit aligned.
*/
static int X11DRV_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;
}
/***********************************************************************
* X11DRV_DIB_BitmapInfoSize
*
* Return the size of the bitmap info structure including color table.
*/
int X11DRV_DIB_BitmapInfoSize( const BITMAPINFO * info, WORD coloruse )
{
int colors;
if (info->bmiHeader.biSize == sizeof(BITMAPCOREHEADER))
{
BITMAPCOREHEADER *core = (BITMAPCOREHEADER *)info;
colors = (core->bcBitCount <= 8) ? 1 << core->bcBitCount : 0;
return sizeof(BITMAPCOREHEADER) + colors *
((coloruse == DIB_RGB_COLORS) ? sizeof(RGBTRIPLE) : sizeof(WORD));
}
else /* assume BITMAPINFOHEADER */
{
colors = info->bmiHeader.biClrUsed;
if (!colors && (info->bmiHeader.biBitCount <= 8))
colors = 1 << info->bmiHeader.biBitCount;
return sizeof(BITMAPINFOHEADER) + colors *
((coloruse == DIB_RGB_COLORS) ? sizeof(RGBQUAD) : sizeof(WORD));
}
}
/***********************************************************************
* X11DRV_DIB_CreateXImage
*
@ -3829,10 +3883,9 @@ INT X11DRV_GetDIBits( X11DRV_PDEVICE *physDev, HBITMAP hbitmap, UINT startscan,
X11DRV_DIB_Unlock(bmp, TRUE);
if(info->bmiHeader.biSizeImage == 0) /* Fill in biSizeImage */
info->bmiHeader.biSizeImage = DIB_GetDIBImageBytes(
info->bmiHeader.biWidth,
info->bmiHeader.biHeight,
info->bmiHeader.biBitCount );
info->bmiHeader.biSizeImage = X11DRV_DIB_GetDIBWidthBytes( info->bmiHeader.biWidth,
info->bmiHeader.biBitCount )
* abs( info->bmiHeader.biHeight );
if (descr.compression == BI_BITFIELDS)
{
@ -4475,8 +4528,7 @@ HBITMAP X11DRV_DIB_CreateDIBSection(
bm.bmType = 0;
bm.bmWidth = bi->biWidth;
bm.bmHeight = effHeight;
bm.bmWidthBytes = ovr_pitch ? ovr_pitch
: DIB_GetDIBWidthBytes(bm.bmWidth, bi->biBitCount);
bm.bmWidthBytes = ovr_pitch ? ovr_pitch : X11DRV_DIB_GetDIBWidthBytes(bm.bmWidth, bi->biBitCount);
bm.bmPlanes = bi->biPlanes;
bm.bmBitsPixel = bi->biBitCount;
bm.bmBits = NULL;
@ -4711,6 +4763,84 @@ UINT X11DRV_GetDIBColorTable( X11DRV_PDEVICE *physDev, UINT start, UINT count, R
}
/***********************************************************************
* X11DRV_DIB_CreateDIBFromBitmap
*
* Allocates a packed DIB and copies the bitmap data into it.
*/
HGLOBAL X11DRV_DIB_CreateDIBFromBitmap(HDC hdc, HBITMAP hBmp)
{
BITMAP bmp;
HGLOBAL hPackedDIB;
LPBYTE pPackedDIB;
LPBITMAPINFOHEADER pbmiHeader;
unsigned int cDataSize, cPackedSize, OffsetBits, nLinesCopied;
if (!GetObjectW( hBmp, sizeof(bmp), &bmp )) return 0;
/*
* A packed DIB contains a BITMAPINFO structure followed immediately by
* an optional color palette and the pixel data.
*/
/* Calculate the size of the packed DIB */
cDataSize = X11DRV_DIB_GetDIBWidthBytes( bmp.bmWidth, bmp.bmBitsPixel ) * abs( bmp.bmHeight );
cPackedSize = sizeof(BITMAPINFOHEADER)
+ ( (bmp.bmBitsPixel <= 8) ? (sizeof(RGBQUAD) * (1 << bmp.bmBitsPixel)) : 0 )
+ cDataSize;
/* Get the offset to the bits */
OffsetBits = cPackedSize - cDataSize;
/* Allocate the packed DIB */
TRACE("\tAllocating packed DIB of size %d\n", cPackedSize);
hPackedDIB = GlobalAlloc(GMEM_MOVEABLE | GMEM_DDESHARE /*| GMEM_ZEROINIT*/,
cPackedSize );
if ( !hPackedDIB )
{
WARN("Could not allocate packed DIB!\n");
return 0;
}
/* A packed DIB starts with a BITMAPINFOHEADER */
pPackedDIB = GlobalLock(hPackedDIB);
pbmiHeader = (LPBITMAPINFOHEADER)pPackedDIB;
/* Init the BITMAPINFOHEADER */
pbmiHeader->biSize = sizeof(BITMAPINFOHEADER);
pbmiHeader->biWidth = bmp.bmWidth;
pbmiHeader->biHeight = bmp.bmHeight;
pbmiHeader->biPlanes = 1;
pbmiHeader->biBitCount = bmp.bmBitsPixel;
pbmiHeader->biCompression = BI_RGB;
pbmiHeader->biSizeImage = 0;
pbmiHeader->biXPelsPerMeter = pbmiHeader->biYPelsPerMeter = 0;
pbmiHeader->biClrUsed = 0;
pbmiHeader->biClrImportant = 0;
/* Retrieve the DIB bits from the bitmap and fill in the
* DIB color table if present */
nLinesCopied = GetDIBits(hdc, /* Handle to device context */
hBmp, /* Handle to bitmap */
0, /* First scan line to set in dest bitmap */
bmp.bmHeight, /* Number of scan lines to copy */
pPackedDIB + OffsetBits, /* [out] Address of array for bitmap bits */
(LPBITMAPINFO) pbmiHeader, /* [out] Address of BITMAPINFO structure */
0); /* RGB or palette index */
GlobalUnlock(hPackedDIB);
/* Cleanup if GetDIBits failed */
if (nLinesCopied != bmp.bmHeight)
{
TRACE("\tGetDIBits returned %d. Actual lines=%d\n", nLinesCopied, bmp.bmHeight);
GlobalFree(hPackedDIB);
hPackedDIB = 0;
}
return hPackedDIB;
}
/**************************************************************************
* X11DRV_DIB_CreateDIBFromPixmap
*
@ -4736,7 +4866,7 @@ HGLOBAL X11DRV_DIB_CreateDIBFromPixmap(Pixmap pixmap, HDC hdc, BOOL bDeletePixma
* A packed DIB contains a BITMAPINFO structure followed immediately by
* an optional color palette and the pixel data.
*/
hPackedDIB = DIB_CreateDIBFromBitmap(hdc, hBmp);
hPackedDIB = X11DRV_DIB_CreateDIBFromBitmap(hdc, hBmp);
/* Get a pointer to the BITMAPOBJ structure */
pBmp = (BITMAPOBJ *)GDI_GetObjPtr( hBmp, BITMAP_MAGIC );
@ -4779,7 +4909,7 @@ Pixmap X11DRV_DIB_CreatePixmapFromDIB( HGLOBAL hPackedDIB, HDC hdc )
pbmiHeader = (LPBITMAPINFOHEADER)pPackedDIB;
pbmi = (LPBITMAPINFO)pPackedDIB;
pbits = (LPBYTE)(pPackedDIB
+ DIB_BitmapInfoSize( (LPBITMAPINFO)pbmiHeader, DIB_RGB_COLORS ));
+ X11DRV_DIB_BitmapInfoSize( (LPBITMAPINFO)pbmiHeader, DIB_RGB_COLORS ));
/* Create a DDB from the DIB */

5
dlls/x11drv/x11drv.h
View File

@ -194,9 +194,11 @@ extern BOOL X11DRV_BITMAP_Init(void);
extern void X11DRV_FONT_Init( int *log_pixels_x, int *log_pixels_y );
struct tagBITMAPOBJ;
extern int X11DRV_DIB_BitmapInfoSize( const BITMAPINFO * info, WORD coloruse );
extern XImage *X11DRV_BITMAP_GetXImage( const struct tagBITMAPOBJ *bmp );
extern XImage *X11DRV_DIB_CreateXImage( int width, int height, int depth );
extern HBITMAP X11DRV_BITMAP_CreateBitmapHeaderFromPixmap(Pixmap pixmap);
extern HGLOBAL X11DRV_DIB_CreateDIBFromBitmap(HDC hdc, HBITMAP hBmp);
extern HGLOBAL X11DRV_DIB_CreateDIBFromPixmap(Pixmap pixmap, HDC hdc, BOOL bDeletePixmap);
extern HBITMAP X11DRV_BITMAP_CreateBitmapFromPixmap(Pixmap pixmap, BOOL bDeletePixmap);
extern Pixmap X11DRV_DIB_CreatePixmapFromDIB( HGLOBAL hPackedDIB, HDC hdc );
@ -268,6 +270,9 @@ typedef struct
} X11DRV_DIBSECTION;
/* DIB Section sync state */
enum { DIB_Status_None, DIB_Status_InSync, DIB_Status_GdiMod, DIB_Status_AppMod, DIB_Status_AuxMod };
extern int *X11DRV_DIB_BuildColorMap( X11DRV_PDEVICE *physDev, WORD coloruse,
WORD depth, const BITMAPINFO *info,
int *nColors );

4
include/bitmap.h
View File

@ -23,9 +23,6 @@
#include <gdi.h>
/* DIB Section sync state */
enum { DIB_Status_None, DIB_Status_InSync, DIB_Status_GdiMod, DIB_Status_AppMod, DIB_Status_AuxMod };
/* GDI logical bitmap object */
typedef struct tagBITMAPOBJ
{
@ -51,6 +48,5 @@ extern HBITMAP DIB_CreateDIBSection( HDC hdc, BITMAPINFO *bmi, UINT usage, LPVOI
HANDLE section, DWORD offset, DWORD ovr_pitch );
extern void DIB_UpdateDIBSection( DC *dc, BOOL toDIB );
extern void DIB_SelectDIBSection( DC *dc, BITMAPOBJ *bmp );
extern HGLOBAL DIB_CreateDIBFromBitmap(HDC hdc, HBITMAP hBmp);
#endif /* __WINE_BITMAP_H */

86
objects/dib.c
View File

@ -921,89 +921,3 @@ HBITMAP WINAPI CreateDIBSection(HDC hdc, BITMAPINFO *bmi, UINT usage,
{
return DIB_CreateDIBSection(hdc, bmi, usage, bits, section, offset, 0);
}
/***********************************************************************
* DIB_CreateDIBFromBitmap
* Allocates a packed DIB and copies the bitmap data into it.
*/
HGLOBAL DIB_CreateDIBFromBitmap(HDC hdc, HBITMAP hBmp)
{
BITMAPOBJ *pBmp = NULL;
HGLOBAL hPackedDIB = 0;
LPBYTE pPackedDIB = NULL;
LPBITMAPINFOHEADER pbmiHeader = NULL;
unsigned int width, height, depth, cDataSize = 0, cPackedSize = 0,
OffsetBits = 0, nLinesCopied = 0;
/* Get a pointer to the BITMAPOBJ structure */
pBmp = (BITMAPOBJ *)GDI_GetObjPtr( hBmp, BITMAP_MAGIC );
if (!pBmp) return hPackedDIB;
/* Get the bitmap dimensions */
width = pBmp->bitmap.bmWidth;
height = pBmp->bitmap.bmHeight;
depth = pBmp->bitmap.bmBitsPixel;
/*
* A packed DIB contains a BITMAPINFO structure followed immediately by
* an optional color palette and the pixel data.
*/
/* Calculate the size of the packed DIB */
cDataSize = DIB_GetDIBImageBytes( width, height, depth );
cPackedSize = sizeof(BITMAPINFOHEADER)
+ ( (depth <= 8) ? (sizeof(RGBQUAD) * (1 << depth)) : 0 )
+ cDataSize;
/* Get the offset to the bits */
OffsetBits = cPackedSize - cDataSize;
/* Allocate the packed DIB */
TRACE("\tAllocating packed DIB of size %d\n", cPackedSize);
hPackedDIB = GlobalAlloc(GMEM_MOVEABLE | GMEM_DDESHARE /*| GMEM_ZEROINIT*/,
cPackedSize );
if ( !hPackedDIB )
{
WARN("Could not allocate packed DIB!\n");
goto END;
}
/* A packed DIB starts with a BITMAPINFOHEADER */
pPackedDIB = (LPBYTE)GlobalLock(hPackedDIB);
pbmiHeader = (LPBITMAPINFOHEADER)pPackedDIB;
/* Init the BITMAPINFOHEADER */
pbmiHeader->biSize = sizeof(BITMAPINFOHEADER);
pbmiHeader->biWidth = width;
pbmiHeader->biHeight = height;
pbmiHeader->biPlanes = 1;
pbmiHeader->biBitCount = depth;
pbmiHeader->biCompression = BI_RGB;
pbmiHeader->biSizeImage = 0;
pbmiHeader->biXPelsPerMeter = pbmiHeader->biYPelsPerMeter = 0;
pbmiHeader->biClrUsed = 0;
pbmiHeader->biClrImportant = 0;
/* Retrieve the DIB bits from the bitmap and fill in the
* DIB color table if present */
nLinesCopied = GetDIBits(hdc, /* Handle to device context */
hBmp, /* Handle to bitmap */
0, /* First scan line to set in dest bitmap */
height, /* Number of scan lines to copy */
pPackedDIB + OffsetBits, /* [out] Address of array for bitmap bits */
(LPBITMAPINFO) pbmiHeader, /* [out] Address of BITMAPINFO structure */
0); /* RGB or palette index */
GlobalUnlock(hPackedDIB);
/* Cleanup if GetDIBits failed */
if (nLinesCopied != height)
{
TRACE("\tGetDIBits returned %d. Actual lines=%d\n", nLinesCopied, height);
GlobalFree(hPackedDIB);
hPackedDIB = 0;
}
END:
GDI_ReleaseObj( hBmp );
return hPackedDIB;
}

66
windows/cursoricon.c
View File

@ -60,7 +60,6 @@
#include "wine/winbase16.h"
#include "wine/winuser16.h"
#include "wine/exception.h"
#include "bitmap.h"
#include "cursoricon.h"
#include "module.h"
#include "wine/debug.h"
@ -171,6 +170,60 @@ static int get_bitmap_width_bytes( int width, int bpp )
}
/***********************************************************************
* get_dib_width_bytes
*
* Return the width of a DIB bitmap in bytes. DIB bitmap data is 32-bit aligned.
*/
static int get_dib_width_bytes( 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;
}
/***********************************************************************
* bitmap_info_size
*
* Return the size of the bitmap info structure including color table.
*/
static int bitmap_info_size( const BITMAPINFO * info, WORD coloruse )
{
int colors;
if (info->bmiHeader.biSize == sizeof(BITMAPCOREHEADER))
{
BITMAPCOREHEADER *core = (BITMAPCOREHEADER *)info;
colors = (core->bcBitCount <= 8) ? 1 << core->bcBitCount : 0;
return sizeof(BITMAPCOREHEADER) + colors *
((coloruse == DIB_RGB_COLORS) ? sizeof(RGBTRIPLE) : sizeof(WORD));
}
else /* assume BITMAPINFOHEADER */
{
colors = info->bmiHeader.biClrUsed;
if (!colors && (info->bmiHeader.biBitCount <= 8))
colors = 1 << info->bmiHeader.biBitCount;
return sizeof(BITMAPINFOHEADER) + colors *
((coloruse == DIB_RGB_COLORS) ? sizeof(RGBQUAD) : sizeof(WORD));
}
}
/**********************************************************************
* CURSORICON_FindSharedIcon
*/
@ -539,7 +592,7 @@ static HICON CURSORICON_CreateFromResource( HMODULE16 hModule, HGLOBAL16 hObj, L
hotspot = *pt;
bmi = (BITMAPINFO *)(pt + 1);
}
size = DIB_BitmapInfoSize( bmi, DIB_RGB_COLORS );
size = bitmap_info_size( bmi, DIB_RGB_COLORS );
if (!width) width = bmi->bmiHeader.biWidth;
if (!height) height = bmi->bmiHeader.biHeight/2;
@ -609,9 +662,8 @@ static HICON CURSORICON_CreateFromResource( HMODULE16 hModule, HGLOBAL16 hObj, L
if( hXorBits )
{
char* xbits = (char *)bmi + size +
DIB_GetDIBImageBytes(bmi->bmiHeader.biWidth,
bmi->bmiHeader.biHeight,
bmi->bmiHeader.biBitCount) / 2;
get_dib_width_bytes( bmi->bmiHeader.biWidth,
bmi->bmiHeader.biBitCount ) * abs( bmi->bmiHeader.biHeight ) / 2;
pInfo->bmiHeader.biBitCount = 1;
if (pInfo->bmiHeader.biSize == sizeof(BITMAPINFOHEADER))
@ -1956,13 +2008,13 @@ static HBITMAP BITMAP_Load( HINSTANCE instance,LPCWSTR name, UINT loadflags )
if (!(ptr = map_fileW( name ))) return 0;
info = (BITMAPINFO *)(ptr + sizeof(BITMAPFILEHEADER));
}
size = DIB_BitmapInfoSize(info, DIB_RGB_COLORS);
size = bitmap_info_size(info, DIB_RGB_COLORS);
if ((hFix = GlobalAlloc(0, size))) fix_info=GlobalLock(hFix);
if (fix_info) {
BYTE pix;
memcpy(fix_info, info, size);
pix = *((LPBYTE)info+DIB_BitmapInfoSize(info, DIB_RGB_COLORS));
pix = *((LPBYTE)info + size);
DIB_FixColorsToLoadflags(fix_info, loadflags, pix);
if (!screen_dc) screen_dc = CreateDCA( "DISPLAY", NULL, NULL, NULL );
if (screen_dc)