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Sweden-Number/objects/bitmap.c

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/*
* GDI bitmap objects
*
* Copyright 1993 Alexandre Julliard
*/
#include <stdlib.h>
#include <string.h>
#include "ts_xlib.h"
#include "ts_xutil.h"
#include "gdi.h"
#include "callback.h"
#include "dc.h"
#include "bitmap.h"
#include "heap.h"
#include "global.h"
#include "debug.h"
#include "sysmetrics.h"
#include "cursoricon.h"
#include "color.h"
#ifdef PRELIMINARY_WING16_SUPPORT
#include <sys/types.h>
#include <sys/ipc.h>
#include <sys/shm.h>
#endif
/* GCs used for B&W and color bitmap operations */
GC BITMAP_monoGC = 0, BITMAP_colorGC = 0;
/***********************************************************************
* XPutImage_wrapper
*
* Wrapper to call XPutImage with CALL_LARGE_STACK.
*/
struct XPutImage_descr
{
BITMAPOBJ *bmp;
XImage *image;
INT32 width;
INT32 height;
};
static int XPutImage_wrapper( const struct XPutImage_descr *descr )
{
return XPutImage( display, descr->bmp->pixmap, BITMAP_GC(descr->bmp),
descr->image, 0, 0, 0, 0, descr->width, descr->height );
}
/***********************************************************************
* BITMAP_GetBitsPadding
*
* Return number of bytes to pad a scanline of 16-bit aligned Windows DDB data.
*/
INT32 BITMAP_GetBitsPadding( int bmWidth, int bpp )
{
INT32 pad;
switch (bpp)
{
case 1:
if (!(bmWidth & 15)) pad = 0;
else pad = ((16 - (bmWidth & 15)) + 7) / 8;
break;
case 8:
pad = (2 - (bmWidth & 1)) & 1;
break;
case 24:
pad = (bmWidth*3) & 1;
break;
case 32:
case 16:
case 15:
pad = 0; /* we have 16bit alignment already */
break;
case 4:
if (!(bmWidth & 3)) pad = 0;
else pad = ((4 - (bmWidth & 3)) + 1) / 2;
break;
default:
WARN(bitmap,"Unknown depth %d, please report.\n", bpp );
return -1;
}
return pad;
}
/***********************************************************************
* BITMAP_GetBitsWidth
*
* Return number of bytes taken by a scanline of 16-bit aligned Windows DDB data.
*/
INT32 BITMAP_GetBitsWidth( int bmWidth, int bpp )
{
switch(bpp)
{
case 1:
return 2 * ((bmWidth+15) >> 4);
case 24:
bmWidth *= 3; /* fall through */
case 8:
return bmWidth + (bmWidth & 1);
case 32:
return bmWidth * 4;
case 16:
case 15:
return bmWidth * 2;
case 4:
return 2 * ((bmWidth+3) >> 2);
default:
WARN(bitmap,"Unknown depth %d, please report.\n", bpp );
}
return -1;
}
/***********************************************************************
* CreateUserBitmap16 (GDI.407)
*/
HBITMAP16 WINAPI CreateUserBitmap16( INT16 width, INT16 height, UINT16 planes,
UINT16 bpp, LPCVOID bits )
{
return CreateBitmap16( width, height, planes, bpp, bits );
}
/***********************************************************************
* CreateUserDiscardableBitmap16 (GDI.409)
*/
HBITMAP16 WINAPI CreateUserDiscardableBitmap16( WORD dummy,
INT16 width, INT16 height )
{
return CreateUserBitmap16( width, height, 1, screenDepth, NULL );
}
/***********************************************************************
* CreateBitmap16 (GDI.48)
*/
HBITMAP16 WINAPI CreateBitmap16( INT16 width, INT16 height, UINT16 planes,
UINT16 bpp, LPCVOID bits )
{
return CreateBitmap32( width, height, planes, bpp, bits );
}
/******************************************************************************
* CreateBitmap32 [GDI32.25] Creates a bitmap with the specified info
*
* PARAMS
* width [I] bitmap width
* height [I] bitmap height
* planes [I] Number of color planes
* bpp [I] Number of bits to identify a color
* bits [I] Pointer to array containing color data
*
* RETURNS
* Success: Handle to bitmap
* Failure: NULL
*/
HBITMAP32 WINAPI CreateBitmap32( INT32 width, INT32 height, UINT32 planes,
UINT32 bpp, LPCVOID bits )
{
BITMAPOBJ * bmpObjPtr;
HBITMAP32 hbitmap;
planes = (BYTE)planes;
bpp = (BYTE)bpp;
TRACE(gdi, "%dx%d, %d colors\n", width, height, 1 << (planes*bpp) );
/* Check parameters */
if (!height || !width || planes != 1) return 0;
if ((bpp != 1) && (bpp != screenDepth)) return 0;
if (height < 0) height = -height;
if (width < 0) width = -width;
/* Create the BITMAPOBJ */
hbitmap = GDI_AllocObject( sizeof(BITMAPOBJ), BITMAP_MAGIC );
if (!hbitmap) return 0;
bmpObjPtr = (BITMAPOBJ *) GDI_HEAP_LOCK( hbitmap );
bmpObjPtr->size.cx = 0;
bmpObjPtr->size.cy = 0;
bmpObjPtr->bitmap.bmType = 0;
bmpObjPtr->bitmap.bmWidth = (INT16)width;
bmpObjPtr->bitmap.bmHeight = (INT16)height;
bmpObjPtr->bitmap.bmPlanes = (BYTE)planes;
bmpObjPtr->bitmap.bmBitsPixel = (BYTE)bpp;
bmpObjPtr->bitmap.bmWidthBytes = (INT16)BITMAP_WIDTH_BYTES( width, bpp );
bmpObjPtr->bitmap.bmBits = 0;
bmpObjPtr->dib = NULL;
/* Create the pixmap */
bmpObjPtr->pixmap = TSXCreatePixmap(display, rootWindow, width, height, bpp);
if (!bmpObjPtr->pixmap)
{
GDI_HEAP_FREE( hbitmap );
hbitmap = 0;
}
else if (bits) /* Set bitmap bits */
SetBitmapBits32( hbitmap, height * bmpObjPtr->bitmap.bmWidthBytes,
bits );
GDI_HEAP_UNLOCK( hbitmap );
return hbitmap;
}
/***********************************************************************
* CreateCompatibleBitmap16 (GDI.51)
*/
HBITMAP16 WINAPI CreateCompatibleBitmap16(HDC16 hdc, INT16 width, INT16 height)
{
return CreateCompatibleBitmap32( hdc, width, height );
}
/******************************************************************************
* CreateCompatibleBitmap32 [GDI32.30] Creates a bitmap compatible with the DC
*
* PARAMS
* hdc [I] Handle to device context
* width [I] Width of bitmap
* height [I] Height of bitmap
*
* RETURNS
* Success: Handle to bitmap
* Failure: NULL
*/
HBITMAP32 WINAPI CreateCompatibleBitmap32( HDC32 hdc, INT32 width, INT32 height)
{
HBITMAP32 hbmpRet = 0;
DC *dc;
TRACE(gdi, "(%04x,%d,%d) = \n", hdc, width, height );
if (!(dc = DC_GetDCPtr( hdc ))) return 0;
if ((width >0x1000) || (height > 0x1000))
{
FIXME(gdi,"got bad width %d or height %d, please look for reason\n",
width, height );
return 0;
}
hbmpRet = CreateBitmap32( width, height, 1, dc->w.bitsPerPixel, NULL );
TRACE(gdi,"\t\t%04x\n", hbmpRet);
return hbmpRet;
}
/***********************************************************************
* CreateBitmapIndirect16 (GDI.49)
*/
HBITMAP16 WINAPI CreateBitmapIndirect16( const BITMAP16 * bmp )
{
return CreateBitmap16( bmp->bmWidth, bmp->bmHeight, bmp->bmPlanes,
bmp->bmBitsPixel, PTR_SEG_TO_LIN( bmp->bmBits ) );
}
/******************************************************************************
* CreateBitmapIndirect32 [GDI32.26] Creates a bitmap with the specifies info
*
* RETURNS
* Success: Handle to bitmap
* Failure: NULL
*/
HBITMAP32 WINAPI CreateBitmapIndirect32(
const BITMAP32 * bmp) /* [in] Pointer to the bitmap data */
{
return CreateBitmap32( bmp->bmWidth, bmp->bmHeight, bmp->bmPlanes,
bmp->bmBitsPixel, bmp->bmBits );
}
/***********************************************************************
* BITMAP_GetXImage
*
* Get an X image for a bitmap. For use with CALL_LARGE_STACK.
*/
XImage *BITMAP_GetXImage( const BITMAPOBJ *bmp )
{
return XGetImage( display, bmp->pixmap, 0, 0, bmp->bitmap.bmWidth,
bmp->bitmap.bmHeight, AllPlanes, ZPixmap );
}
/***********************************************************************
* GetBitmapBits16 (GDI.74)
*/
LONG WINAPI GetBitmapBits16( HBITMAP16 hbitmap, LONG count, LPVOID buffer )
{
return GetBitmapBits32( hbitmap, count, buffer );
}
/***********************************************************************
* GetBitmapBits32 [GDI32.143] Copies bitmap bits of bitmap to buffer
*
* RETURNS
* Success: Number of bytes copied
* Failure: 0
*/
LONG WINAPI GetBitmapBits32(
HBITMAP32 hbitmap, /* [in] Handle to bitmap */
LONG count, /* [in] Number of bytes to copy */
LPVOID buffer) /* [out] Pointer to buffer to receive bits */
{
BITMAPOBJ * bmp;
LONG height, old_height;
XImage * image;
LPBYTE tbuf;
int h,w,pad;
/* KLUDGE! */
if (count < 0) {
WARN(bitmap, "(%ld): Negative number of bytes passed???\n", count );
count = -count;
}
bmp = (BITMAPOBJ *) GDI_GetObjPtr( hbitmap, BITMAP_MAGIC );
if (!bmp) return 0;
/* Only get entire lines */
height = count / bmp->bitmap.bmWidthBytes;
if (height > bmp->bitmap.bmHeight) height = bmp->bitmap.bmHeight;
TRACE(bitmap, "%dx%d %d colors %p fetched height: %ld\n",
bmp->bitmap.bmWidth, bmp->bitmap.bmHeight,
1 << bmp->bitmap.bmBitsPixel, buffer, height );
pad = BITMAP_GetBitsPadding( bmp->bitmap.bmWidth, bmp->bitmap.bmBitsPixel );
if (!height || (pad == -1))
{
GDI_HEAP_UNLOCK( hbitmap );
return 0;
}
EnterCriticalSection( &X11DRV_CritSection );
/* Hack: change the bitmap height temporarily to avoid */
/* getting unnecessary bitmap rows. */
old_height = bmp->bitmap.bmHeight;
bmp->bitmap.bmHeight = height;
image = (XImage *)CALL_LARGE_STACK( BITMAP_GetXImage, bmp );
bmp->bitmap.bmHeight = old_height;
/* copy XImage to 16 bit padded image buffer with real bitsperpixel */
tbuf = buffer;
switch (bmp->bitmap.bmBitsPixel)
{
case 1:
for (h=0;h<height;h++)
{
*tbuf = 0;
for (w=0;w<bmp->bitmap.bmWidth;w++)
{
if ((w%8) == 0)
*tbuf = 0;
*tbuf |= XGetPixel(image,w,h)<<(7-(w&7));
if ((w&7) == 7) ++tbuf;
}
tbuf += pad;
}
break;
case 4:
for (h=0;h<height;h++)
{
for (w=0;w<bmp->bitmap.bmWidth;w++)
{
if (!(w & 1)) *tbuf = XGetPixel( image, w, h) << 4;
else *tbuf++ |= XGetPixel( image, w, h) & 0x0f;
}
tbuf += pad;
}
break;
case 8:
for (h=0;h<height;h++)
{
for (w=0;w<bmp->bitmap.bmWidth;w++)
*tbuf++ = XGetPixel(image,w,h);
tbuf += pad;
}
break;
case 15:
case 16:
for (h=0;h<height;h++)
{
for (w=0;w<bmp->bitmap.bmWidth;w++)
{
long pixel = XGetPixel(image,w,h);
*tbuf++ = pixel & 0xff;
*tbuf++ = (pixel>>8) & 0xff;
}
}
break;
case 24:
for (h=0;h<height;h++)
{
for (w=0;w<bmp->bitmap.bmWidth;w++)
{
long pixel = XGetPixel(image,w,h);
*tbuf++ = pixel & 0xff;
*tbuf++ = (pixel>> 8) & 0xff;
*tbuf++ = (pixel>>16) & 0xff;
}
tbuf += pad;
}
break;
case 32:
for (h=0;h<height;h++)
{
for (w=0;w<bmp->bitmap.bmWidth;w++)
{
long pixel = XGetPixel(image,w,h);
*tbuf++ = pixel & 0xff;
*tbuf++ = (pixel>> 8) & 0xff;
*tbuf++ = (pixel>>16) & 0xff;
*tbuf++ = (pixel>>24) & 0xff;
}
tbuf += pad;
}
break;
default:
FIXME(bitmap, "Unhandled bits:%d\n", bmp->bitmap.bmBitsPixel);
}
XDestroyImage( image );
LeaveCriticalSection( &X11DRV_CritSection );
GDI_HEAP_UNLOCK( hbitmap );
return height * bmp->bitmap.bmWidthBytes;
}
/***********************************************************************
* SetBitmapBits16 (GDI.106)
*/
LONG WINAPI SetBitmapBits16( HBITMAP16 hbitmap, LONG count, LPCVOID buffer )
{
return SetBitmapBits32( hbitmap, count, buffer );
}
/******************************************************************************
* SetBitmapBits32 [GDI32.303] Sets bits of color data for a bitmap
*
* RETURNS
* Success: Number of bytes used in setting the bitmap bits
* Failure: 0
*/
LONG WINAPI SetBitmapBits32(
HBITMAP32 hbitmap, /* [in] Handle to bitmap */
LONG count, /* [in] Number of bytes in bitmap array */
LPCVOID buffer) /* [in] Address of array with bitmap bits */
{
struct XPutImage_descr descr;
BITMAPOBJ * bmp;
LONG height;
XImage * image;
LPBYTE sbuf,tmpbuffer;
int w,h,pad,widthbytes;
/* KLUDGE! */
if (count < 0) {
WARN(bitmap, "(%ld): Negative number of bytes passed???\n", count );
count = -count;
}
bmp = (BITMAPOBJ *) GDI_GetObjPtr( hbitmap, BITMAP_MAGIC );
if (!bmp) return 0;
TRACE(bitmap, "%dx%d %d colors %p\n",
bmp->bitmap.bmWidth, bmp->bitmap.bmHeight,
1 << bmp->bitmap.bmBitsPixel, buffer );
/* Only set entire lines */
height = count / bmp->bitmap.bmWidthBytes;
if (height > bmp->bitmap.bmHeight) height = bmp->bitmap.bmHeight;
pad = BITMAP_GetBitsPadding( bmp->bitmap.bmWidth, bmp->bitmap.bmBitsPixel );
if (!height || (pad == -1))
{
GDI_HEAP_UNLOCK( hbitmap );
return 0;
}
sbuf = (LPBYTE)buffer;
widthbytes = DIB_GetXImageWidthBytes(bmp->bitmap.bmWidth,bmp->bitmap.bmBitsPixel);
tmpbuffer = (LPBYTE)xmalloc(widthbytes*height);
EnterCriticalSection( &X11DRV_CritSection );
image = XCreateImage( display, DefaultVisualOfScreen(screen),
bmp->bitmap.bmBitsPixel, ZPixmap, 0, tmpbuffer,
bmp->bitmap.bmWidth,height,32,widthbytes );
/* copy 16 bit padded image buffer with real bitsperpixel to XImage */
sbuf = (LPBYTE)buffer;
switch (bmp->bitmap.bmBitsPixel)
{
case 1:
for (h=0;h<height;h++)
{
for (w=0;w<bmp->bitmap.bmWidth;w++)
{
XPutPixel(image,w,h,(sbuf[0]>>(7-(w&7))) & 1);
if ((w&7) == 7)
sbuf++;
}
sbuf += pad;
}
break;
case 4:
for (h=0;h<height;h++)
{
for (w=0;w<bmp->bitmap.bmWidth;w++)
{
if (!(w & 1)) XPutPixel( image, w, h, *sbuf >> 4 );
else XPutPixel( image, w, h, *sbuf++ & 0xf );
}
sbuf += pad;
}
break;
case 8:
for (h=0;h<height;h++)
{
for (w=0;w<bmp->bitmap.bmWidth;w++)
XPutPixel(image,w,h,*sbuf++);
sbuf += pad;
}
break;
case 15:
case 16:
for (h=0;h<height;h++)
{
for (w=0;w<bmp->bitmap.bmWidth;w++)
{
XPutPixel(image,w,h,sbuf[1]*256+sbuf[0]);
sbuf+=2;
}
}
break;
case 24:
for (h=0;h<height;h++)
{
for (w=0;w<bmp->bitmap.bmWidth;w++)
{
XPutPixel(image,w,h,(sbuf[2]<<16)+(sbuf[1]<<8)+sbuf[0]);
sbuf += 3;
}
sbuf += pad;
}
break;
case 32:
for (h=0;h<height;h++)
{
for (w=0;w<bmp->bitmap.bmWidth;w++)
{
XPutPixel(image,w,h,(sbuf[3]<<24)+(sbuf[2]<<16)+(sbuf[1]<<8)+sbuf[0]);
sbuf += 4;
}
sbuf += pad;
}
break;
default:
FIXME(bitmap, "Unhandled bits:%d\n", bmp->bitmap.bmBitsPixel);
}
descr.bmp = bmp;
descr.image = image;
descr.width = bmp->bitmap.bmWidth;
descr.height = height;
CALL_LARGE_STACK( XPutImage_wrapper, &descr );
XDestroyImage( image ); /* frees tmpbuffer too */
LeaveCriticalSection( &X11DRV_CritSection );
GDI_HEAP_UNLOCK( hbitmap );
return height * bmp->bitmap.bmWidthBytes;
}
/***********************************************************************
* LoadImage16 [USER.389]
*
*/
HANDLE16 WINAPI LoadImage16( HINSTANCE16 hinst, LPCSTR name, UINT16 type,
INT16 desiredx, INT16 desiredy, UINT16 loadflags)
{
if (HIWORD(name)) {
TRACE(resource,"(0x%04x,%s,%d,%d,%d,0x%08x)\n",
hinst,(char *)PTR_SEG_TO_LIN(name),type,desiredx,desiredy,loadflags);
} else {
TRACE(resource,"LoadImage16(0x%04x,%p,%d,%d,%d,0x%08x)\n",
hinst,name,type,desiredx,desiredy,loadflags);
}
switch (type) {
case IMAGE_BITMAP:
return LoadBitmap16(hinst,(SEGPTR)name);
case IMAGE_ICON:
return LoadIcon16(hinst,(SEGPTR)name);
case IMAGE_CURSOR:
return LoadCursor16(hinst,(SEGPTR)name);
}
return 0;
}
/**********************************************************************
* LoadImage32A (USER32.365)
*
* FIXME: implementation lacks some features, see LR_ defines in windows.h
*/
HANDLE32 WINAPI LoadImage32A( HINSTANCE32 hinst, LPCSTR name, UINT32 type,
INT32 desiredx, INT32 desiredy, UINT32 loadflags)
{
HANDLE32 res;
LPWSTR u_name;
if (HIWORD(name)) u_name = HEAP_strdupAtoW(GetProcessHeap(), 0, name);
else u_name=(LPWSTR)name;
res = LoadImage32W(hinst, u_name, type, desiredx, desiredy, loadflags);
if (HIWORD(name)) HeapFree(GetProcessHeap(), 0, u_name);
return res;
}
/******************************************************************************
* LoadImage32W [USER32.366] Loads an icon, cursor, or bitmap
*
* PARAMS
* hinst [I] Handle of instance that contains image
* name [I] Name of image
* type [I] Type of image
* desiredx [I] Desired width
* desiredy [I] Desired height
* loadflags [I] Load flags
*
* RETURNS
* Success: Handle to newly loaded image
* Failure: NULL
*
* FIXME: Implementation lacks some features, see LR_ defines in windows.h
*/
HANDLE32 WINAPI LoadImage32W( HINSTANCE32 hinst, LPCWSTR name, UINT32 type,
INT32 desiredx, INT32 desiredy, UINT32 loadflags )
{
if (HIWORD(name)) {
TRACE(resource,"(0x%04x,%p,%d,%d,%d,0x%08x)\n",
hinst,name,type,desiredx,desiredy,loadflags
);
} else {
TRACE(resource,"(0x%04x,%p,%d,%d,%d,0x%08x)\n",
hinst,name,type,desiredx,desiredy,loadflags
);
}
if (loadflags & LR_DEFAULTSIZE)
if (type == IMAGE_ICON) {
if (!desiredx) desiredx = SYSMETRICS_CXICON;
if (!desiredy) desiredy = SYSMETRICS_CYICON;
} else if (type == IMAGE_CURSOR) {
if (!desiredx) desiredx = SYSMETRICS_CXCURSOR;
if (!desiredy) desiredy = SYSMETRICS_CYCURSOR;
}
if (loadflags & LR_LOADFROMFILE) loadflags &= ~LR_SHARED;
switch (type) {
case IMAGE_BITMAP:
return BITMAP_LoadBitmap32W(hinst, name, loadflags);
case IMAGE_ICON:
return CURSORICON_Load32(hinst, name, desiredx, desiredy,
MIN(16, COLOR_GetSystemPaletteSize()), FALSE, loadflags);
case IMAGE_CURSOR:
return CURSORICON_Load32(hinst, name, desiredx, desiredy, 1, TRUE,
loadflags);
}
return 0;
}
/**********************************************************************
* CopyBitmap32 (not an API)
*
* NOTES
* If it is not an API, why is it declared with WINAPI?
*
*/
HBITMAP32 WINAPI CopyBitmap32 (HBITMAP32 hnd)
{
HBITMAP32 res = 0;
BITMAP32 bmp;
if (GetObject32A (hnd, sizeof (bmp), &bmp))
{
res = CreateBitmapIndirect32 (&bmp);
SetBitmapBits32 (res, bmp.bmWidthBytes * bmp.bmHeight, bmp.bmBits);
}
return res;
}
/******************************************************************************
* CopyImage32 [USER32.61] Creates new image and copies attributes to it
*
* PARAMS
* hnd [I] Handle to image to copy
* type [I] Type of image to copy
* desiredx [I] Desired width of new image
* desiredy [I] Desired height of new image
* flags [I] Copy flags
*
* RETURNS
* Success: Handle to newly created image
* Failure: NULL
*
* FIXME: implementation still lacks nearly all features, see LR_*
* defines in windows.h
*/
HICON32 WINAPI CopyImage32( HANDLE32 hnd, UINT32 type, INT32 desiredx,
INT32 desiredy, UINT32 flags )
{
switch (type)
{
case IMAGE_BITMAP:
return CopyBitmap32(hnd);
case IMAGE_ICON:
return CopyIcon32(hnd);
case IMAGE_CURSOR:
return CopyCursor32(hnd);
}
return 0;
}
/**********************************************************************
* LoadBitmap16 (USER.175)
*
* NOTES
* Can this call LoadBitmap32?
*/
HBITMAP16 WINAPI LoadBitmap16( HINSTANCE16 instance, SEGPTR name )
{
HBITMAP32 hbitmap = 0;
HDC32 hdc;
HRSRC16 hRsrc;
HGLOBAL16 handle;
BITMAPINFO *info;
if (HIWORD(name))
{
char *str = (char *)PTR_SEG_TO_LIN( name );
TRACE(bitmap, "(%04x,'%s')\n", instance, str );
if (str[0] == '#') name = (SEGPTR)(DWORD)(WORD)atoi( str + 1 );
}
else
TRACE(bitmap, "(%04x,%04x)\n",
instance, LOWORD(name) );
if (!instance) /* OEM bitmap */
{
if (HIWORD((int)name)) return 0;
return OBM_LoadBitmap( LOWORD((int)name) );
}
if (!(hRsrc = FindResource16( instance, name, RT_BITMAP16 ))) return 0;
if (!(handle = LoadResource16( instance, hRsrc ))) return 0;
info = (BITMAPINFO *)LockResource16( handle );
if ((hdc = GetDC32(0)) != 0)
{
char *bits = (char *)info + DIB_BitmapInfoSize( info, DIB_RGB_COLORS );
hbitmap = CreateDIBitmap32( hdc, &info->bmiHeader, CBM_INIT,
bits, info, DIB_RGB_COLORS );
ReleaseDC32( 0, hdc );
}
FreeResource16( handle );
return hbitmap;
}
HBITMAP32 BITMAP_LoadBitmap32W(HINSTANCE32 instance,LPCWSTR name,
UINT32 loadflags)
{
HBITMAP32 hbitmap = 0;
HDC32 hdc;
HRSRC32 hRsrc;
HGLOBAL32 handle;
char *ptr = NULL;
BITMAPINFO *info, *fix_info=NULL;
HGLOBAL32 hFix;
int size;
if (!(loadflags & LR_LOADFROMFILE)) {
if (!instance) /* OEM bitmap */
{
if (HIWORD((int)name)) return 0;
return OBM_LoadBitmap( LOWORD((int)name) );
}
if (!(hRsrc = FindResource32W( instance, name, RT_BITMAP32W ))) return 0;
if (!(handle = LoadResource32( instance, hRsrc ))) return 0;
if ((info = (BITMAPINFO *)LockResource32( handle )) == NULL) return 0;
}
else
{
if (!(ptr = (char *)VIRTUAL_MapFileW( name ))) return 0;
info = (BITMAPINFO *)(ptr + sizeof(BITMAPFILEHEADER));
}
size = DIB_BitmapInfoSize(info, DIB_RGB_COLORS);
if ((hFix = GlobalAlloc32(0, size))) fix_info=GlobalLock32(hFix);
if (fix_info) {
BYTE pix;
memcpy(fix_info, info, size);
pix = *((LPBYTE)info+DIB_BitmapInfoSize(info, DIB_RGB_COLORS));
DIB_FixColorsToLoadflags(fix_info, loadflags, pix);
if ((hdc = GetDC32(0)) != 0) {
if (loadflags & LR_CREATEDIBSECTION)
hbitmap = CreateDIBSection32(hdc, fix_info, DIB_RGB_COLORS, NULL, 0, 0);
else {
char *bits = (char *)info + size;;
hbitmap = CreateDIBitmap32( hdc, &fix_info->bmiHeader, CBM_INIT,
bits, fix_info, DIB_RGB_COLORS );
}
ReleaseDC32( 0, hdc );
}
GlobalUnlock32(hFix);
GlobalFree32(hFix);
}
if (loadflags & LR_LOADFROMFILE) UnmapViewOfFile( ptr );
return hbitmap;
}
/******************************************************************************
* LoadBitmap32W [USER32.358] Loads bitmap from the executable file
*
* RETURNS
* Success: Handle to specified bitmap
* Failure: NULL
*/
HBITMAP32 WINAPI LoadBitmap32W(
HINSTANCE32 instance, /* [in] Handle to application instance */
LPCWSTR name) /* [in] Address of bitmap resource name */
{
return BITMAP_LoadBitmap32W(instance, name, 0);
}
/**********************************************************************
* LoadBitmap32A (USER32.357)
*/
HBITMAP32 WINAPI LoadBitmap32A( HINSTANCE32 instance, LPCSTR name )
{
HBITMAP32 res;
if (!HIWORD(name)) res = LoadBitmap32W( instance, (LPWSTR)name );
else
{
LPWSTR uni = HEAP_strdupAtoW( GetProcessHeap(), 0, name );
res = LoadBitmap32W( instance, uni );
HeapFree( GetProcessHeap(), 0, uni );
}
return res;
}
/***********************************************************************
* BITMAP_DeleteObject
*/
BOOL32 BITMAP_DeleteObject( HBITMAP16 hbitmap, BITMAPOBJ * bmp )
{
#ifdef PRELIMINARY_WING16_SUPPORT
if( bmp->bitmap.bmBits )
TSXShmDetach( display, (XShmSegmentInfo*)bmp->bitmap.bmBits );
#endif
TSXFreePixmap( display, bmp->pixmap );
#ifdef PRELIMINARY_WING16_SUPPORT
if( bmp->bitmap.bmBits )
{
__ShmBitmapCtl* p = (__ShmBitmapCtl*)bmp->bitmap.bmBits;
WORD sel = HIWORD(p->bits);
unsigned long l, limit = GetSelectorLimit(sel);
for( l = 0; l < limit; l += 0x10000, sel += __AHINCR )
FreeSelector(sel);
shmctl(p->si.shmid, IPC_RMID, NULL);
shmdt(p->si.shmaddr); /* already marked for destruction */
}
#endif
DIB_DeleteDIBSection( bmp );
return GDI_FreeObject( hbitmap );
}
/***********************************************************************
* BITMAP_GetObject16
*/
INT16 BITMAP_GetObject16( BITMAPOBJ * bmp, INT16 count, LPVOID buffer )
{
if (bmp->dib)
{
if ( count <= sizeof(BITMAP16) )
{
BITMAP32 *bmp32 = &bmp->dib->dibSection.dsBm;
BITMAP16 bmp16;
bmp16.bmType = bmp32->bmType;
bmp16.bmWidth = bmp32->bmWidth;
bmp16.bmHeight = bmp32->bmHeight;
bmp16.bmWidthBytes = bmp32->bmWidthBytes;
bmp16.bmPlanes = bmp32->bmPlanes;
bmp16.bmBitsPixel = bmp32->bmBitsPixel;
bmp16.bmBits = NULL;
memcpy( buffer, &bmp16, count );
return count;
}
else
{
FIXME(bitmap, "not implemented for DIBs: count %d\n", count);
return 0;
}
}
else
{
if (count > sizeof(bmp->bitmap)) count = sizeof(bmp->bitmap);
memcpy( buffer, &bmp->bitmap, count );
return count;
}
}
/***********************************************************************
* BITMAP_GetObject32
*/
INT32 BITMAP_GetObject32( BITMAPOBJ * bmp, INT32 count, LPVOID buffer )
{
if (bmp->dib)
{
if (count < sizeof(DIBSECTION))
{
if (count > sizeof(BITMAP32)) count = sizeof(BITMAP32);
}
else
{
if (count > sizeof(DIBSECTION)) count = sizeof(DIBSECTION);
}
memcpy( buffer, &bmp->dib->dibSection, count );
return count;
}
else
{
BITMAP32 bmp32;
bmp32.bmType = bmp->bitmap.bmType;
bmp32.bmWidth = bmp->bitmap.bmWidth;
bmp32.bmHeight = bmp->bitmap.bmHeight;
bmp32.bmWidthBytes = bmp->bitmap.bmWidthBytes;
bmp32.bmPlanes = bmp->bitmap.bmPlanes;
bmp32.bmBitsPixel = bmp->bitmap.bmBitsPixel;
bmp32.bmBits = NULL;
if (count > sizeof(bmp32)) count = sizeof(bmp32);
memcpy( buffer, &bmp32, count );
return count;
}
}
/***********************************************************************
* CreateDiscardableBitmap16 (GDI.156)
*/
HBITMAP16 WINAPI CreateDiscardableBitmap16( HDC16 hdc, INT16 width,
INT16 height )
{
return CreateCompatibleBitmap16( hdc, width, height );
}
/******************************************************************************
* CreateDiscardableBitmap32 [GDI32.38] Creates a discardable bitmap
*
* RETURNS
* Success: Handle to bitmap
* Failure: NULL
*/
HBITMAP32 WINAPI CreateDiscardableBitmap32(
HDC32 hdc, /* [in] Handle to device context */
INT32 width, /* [in] Bitmap width */
INT32 height) /* [in] Bitmap height */
{
return CreateCompatibleBitmap32( hdc, width, height );
}
/***********************************************************************
* GetBitmapDimensionEx16 (GDI.468)
*
* NOTES
* Can this call GetBitmapDimensionEx32?
*/
BOOL16 WINAPI GetBitmapDimensionEx16( HBITMAP16 hbitmap, LPSIZE16 size )
{
BITMAPOBJ * bmp = (BITMAPOBJ *) GDI_GetObjPtr( hbitmap, BITMAP_MAGIC );
if (!bmp) return FALSE;
*size = bmp->size;
GDI_HEAP_UNLOCK( hbitmap );
return TRUE;
}
/******************************************************************************
* GetBitmapDimensionEx32 [GDI32.144] Retrieves dimensions of a bitmap
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
BOOL32 WINAPI GetBitmapDimensionEx32(
HBITMAP32 hbitmap, /* [in] Handle to bitmap */
LPSIZE32 size) /* [out] Address of struct receiving dimensions */
{
BITMAPOBJ * bmp = (BITMAPOBJ *) GDI_GetObjPtr( hbitmap, BITMAP_MAGIC );
if (!bmp) return FALSE;
size->cx = (INT32)bmp->size.cx;
size->cy = (INT32)bmp->size.cy;
GDI_HEAP_UNLOCK( hbitmap );
return TRUE;
}
/***********************************************************************
* GetBitmapDimension (GDI.162)
*/
DWORD WINAPI GetBitmapDimension( HBITMAP16 hbitmap )
{
SIZE16 size;
if (!GetBitmapDimensionEx16( hbitmap, &size )) return 0;
return MAKELONG( size.cx, size.cy );
}
/***********************************************************************
* SetBitmapDimensionEx16 (GDI.478)
*/
BOOL16 WINAPI SetBitmapDimensionEx16( HBITMAP16 hbitmap, INT16 x, INT16 y,
LPSIZE16 prevSize )
{
BITMAPOBJ * bmp = (BITMAPOBJ *) GDI_GetObjPtr( hbitmap, BITMAP_MAGIC );
if (!bmp) return FALSE;
if (prevSize) *prevSize = bmp->size;
bmp->size.cx = x;
bmp->size.cy = y;
GDI_HEAP_UNLOCK( hbitmap );
return TRUE;
}
/******************************************************************************
* SetBitmapDimensionEx32 [GDI32.304] Assignes dimensions to a bitmap
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
BOOL32 WINAPI SetBitmapDimensionEx32(
HBITMAP32 hbitmap, /* [in] Handle to bitmap */
INT32 x, /* [in] Bitmap width */
INT32 y, /* [in] Bitmap height */
LPSIZE32 prevSize) /* [out] Address of structure for orig dims */
{
BITMAPOBJ * bmp = (BITMAPOBJ *) GDI_GetObjPtr( hbitmap, BITMAP_MAGIC );
if (!bmp) return FALSE;
if (prevSize) CONV_SIZE16TO32( &bmp->size, prevSize );
bmp->size.cx = (INT16)x;
bmp->size.cy = (INT16)y;
GDI_HEAP_UNLOCK( hbitmap );
return TRUE;
}
/***********************************************************************
* SetBitmapDimension (GDI.163)
*/
DWORD WINAPI SetBitmapDimension( HBITMAP16 hbitmap, INT16 x, INT16 y )
{
SIZE16 size;
if (!SetBitmapDimensionEx16( hbitmap, x, y, &size )) return 0;
return MAKELONG( size.cx, size.cy );
}
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