| /* |
| * GDI bitmap objects |
| * |
| * Copyright 1993 Alexandre Julliard |
| */ |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <X11/Xlib.h> |
| #include <X11/Xutil.h> |
| #include "gdi.h" |
| #include "callback.h" |
| #include "dc.h" |
| #include "bitmap.h" |
| #include "stddebug.h" |
| #include "debug.h" |
| |
| /* GCs used for B&W and color bitmap operations */ |
| GC BITMAP_monoGC = 0, BITMAP_colorGC = 0; |
| |
| extern void CLIPPING_UpdateGCRegion( DC * dc ); /* objects/clipping.c */ |
| |
| /*********************************************************************** |
| * BITMAP_Init |
| */ |
| BOOL BITMAP_Init(void) |
| { |
| Pixmap tmpPixmap; |
| |
| /* Create the necessary GCs */ |
| |
| if ((tmpPixmap = XCreatePixmap( display, rootWindow, 1, 1, 1 ))) |
| { |
| BITMAP_monoGC = XCreateGC( display, tmpPixmap, 0, NULL ); |
| XSetGraphicsExposures( display, BITMAP_monoGC, False ); |
| XFreePixmap( display, tmpPixmap ); |
| } |
| |
| if (screenDepth != 1) |
| { |
| if ((tmpPixmap = XCreatePixmap(display, rootWindow, 1,1,screenDepth))) |
| { |
| BITMAP_colorGC = XCreateGC( display, tmpPixmap, 0, NULL ); |
| XSetGraphicsExposures( display, BITMAP_colorGC, False ); |
| XFreePixmap( display, tmpPixmap ); |
| } |
| } |
| return TRUE; |
| } |
| |
| |
| /*********************************************************************** |
| * BITMAP_BmpToImage |
| * |
| * Create an XImage pointing to the bitmap data. |
| */ |
| static XImage *BITMAP_BmpToImage( BITMAP16 * bmp, LPVOID bmpData ) |
| { |
| extern void _XInitImageFuncPtrs( XImage* ); |
| XImage * image; |
| |
| image = XCreateImage( display, DefaultVisualOfScreen(screen), |
| bmp->bmBitsPixel, ZPixmap, 0, bmpData, |
| bmp->bmWidth, bmp->bmHeight, 16, bmp->bmWidthBytes ); |
| if (!image) return 0; |
| image->byte_order = MSBFirst; |
| image->bitmap_bit_order = MSBFirst; |
| image->bitmap_unit = 16; |
| _XInitImageFuncPtrs(image); |
| return image; |
| } |
| |
| |
| /*********************************************************************** |
| * CreateBitmap (GDI.48) (GDI32.25) |
| */ |
| HBITMAP16 CreateBitmap( INT32 width, INT32 height, UINT32 planes, |
| UINT32 bpp, LPCVOID bits ) |
| { |
| BITMAPOBJ * bmpObjPtr; |
| HBITMAP16 hbitmap; |
| |
| dprintf_gdi( stddeb, "CreateBitmap: %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_LIN_ADDR( 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 = NULL; |
| |
| /* Create the pixmap */ |
| bmpObjPtr->pixmap = XCreatePixmap(display, rootWindow, width, height, bpp); |
| if (!bmpObjPtr->pixmap) |
| { |
| GDI_HEAP_FREE( hbitmap ); |
| hbitmap = 0; |
| } |
| else if (bits) /* Set bitmap bits */ |
| SetBitmapBits( hbitmap, height * bmpObjPtr->bitmap.bmWidthBytes, bits); |
| return hbitmap; |
| } |
| |
| |
| /*********************************************************************** |
| * CreateCompatibleBitmap (GDI.51) (GDI32.30) |
| */ |
| HBITMAP16 CreateCompatibleBitmap( HDC32 hdc, INT32 width, INT32 height ) |
| { |
| HBITMAP hbmpRet = 0; |
| DC *dc; |
| |
| dprintf_gdi( stddeb, "CreateCompatibleBitmap(%04x,%d,%d) = \n", |
| hdc, width, height ); |
| if (!(dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ))) return 0; |
| |
| hbmpRet = CreateBitmap( width, height, 1, dc->w.bitsPerPixel, NULL ); |
| dprintf_gdi(stddeb,"\t\t%04x\n", hbmpRet); |
| return hbmpRet; |
| } |
| |
| |
| /*********************************************************************** |
| * CreateBitmapIndirect16 (GDI.49) |
| */ |
| HBITMAP16 CreateBitmapIndirect16( const BITMAP16 * bmp ) |
| { |
| return CreateBitmap( bmp->bmWidth, bmp->bmHeight, bmp->bmPlanes, |
| bmp->bmBitsPixel, PTR_SEG_TO_LIN( bmp->bmBits ) ); |
| } |
| |
| |
| /*********************************************************************** |
| * CreateBitmapIndirect32 (GDI32.26) |
| */ |
| HBITMAP32 CreateBitmapIndirect32( const BITMAP32 * bmp ) |
| { |
| return CreateBitmap( bmp->bmWidth, bmp->bmHeight, bmp->bmPlanes, |
| bmp->bmBitsPixel, bmp->bmBits ); |
| } |
| |
| |
| /*********************************************************************** |
| * GetBitmapBits (GDI.74) (GDI32.143) |
| */ |
| LONG GetBitmapBits( HBITMAP32 hbitmap, LONG count, LPVOID buffer ) |
| { |
| BITMAPOBJ * bmp; |
| LONG height; |
| XImage * image; |
| |
| /* KLUDGE! */ |
| if (count < 0) { |
| fprintf(stderr, "Negative number of bytes (%ld) passed to GetBitmapBits???\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; |
| dprintf_bitmap(stddeb, "GetBitmapBits: %dx%d %d colors %p fetched height: %ld\n", |
| bmp->bitmap.bmWidth, bmp->bitmap.bmHeight, |
| 1 << bmp->bitmap.bmBitsPixel, buffer, height ); |
| if (!height) return 0; |
| |
| if (!(image = BITMAP_BmpToImage( &bmp->bitmap, buffer ))) return 0; |
| CallTo32_LargeStack( (int(*)())XGetSubImage, 11, |
| display, bmp->pixmap, 0, 0, bmp->bitmap.bmWidth, |
| height, AllPlanes, ZPixmap, image, 0, 0 ); |
| image->data = NULL; |
| XDestroyImage( image ); |
| return height * bmp->bitmap.bmWidthBytes; |
| } |
| |
| |
| /*********************************************************************** |
| * SetBitmapBits (GDI.106) (GDI32.303) |
| */ |
| LONG SetBitmapBits( HBITMAP32 hbitmap, LONG count, LPCVOID buffer ) |
| { |
| BITMAPOBJ * bmp; |
| LONG height; |
| XImage * image; |
| |
| /* KLUDGE! */ |
| if (count < 0) { |
| fprintf(stderr, "Negative number of bytes (%ld) passed to SetBitmapBits???\n", count ); |
| count = -count; |
| } |
| bmp = (BITMAPOBJ *) GDI_GetObjPtr( hbitmap, BITMAP_MAGIC ); |
| if (!bmp) return 0; |
| |
| dprintf_bitmap(stddeb, "SetBitmapBits: %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; |
| if (!height) return 0; |
| |
| if (!(image = BITMAP_BmpToImage( &bmp->bitmap, (LPVOID)buffer ))) return 0; |
| CallTo32_LargeStack( XPutImage, 10, |
| display, bmp->pixmap, BITMAP_GC(bmp), image, 0, 0, |
| 0, 0, bmp->bitmap.bmWidth, height ); |
| image->data = NULL; |
| XDestroyImage( image ); |
| return height * bmp->bitmap.bmWidthBytes; |
| } |
| |
| |
| /********************************************************************** |
| * LoadBitmap (USER.175) |
| */ |
| HBITMAP LoadBitmap( HANDLE instance, SEGPTR name ) |
| { |
| HBITMAP hbitmap = 0; |
| HDC hdc; |
| HRSRC hRsrc; |
| HGLOBAL handle; |
| BITMAPINFO *info; |
| |
| if (HIWORD(name)) |
| { |
| char *str = (char *)PTR_SEG_TO_LIN( name ); |
| dprintf_bitmap( stddeb, "LoadBitmap(%04x,'%s')\n", instance, str ); |
| if (str[0] == '#') name = (SEGPTR)(DWORD)(WORD)atoi( str + 1 ); |
| } |
| else |
| dprintf_bitmap( stddeb, "LoadBitmap(%04x,%04x)\n", |
| instance, LOWORD(name) ); |
| |
| if (!instance) /* OEM bitmap */ |
| { |
| if (HIWORD((int)name)) return 0; |
| return OBM_LoadBitmap( LOWORD((int)name) ); |
| } |
| |
| if (!(hRsrc = FindResource( instance, name, RT_BITMAP ))) return 0; |
| if (!(handle = LoadResource( instance, hRsrc ))) return 0; |
| |
| info = (BITMAPINFO *)LockResource( handle ); |
| if ((hdc = GetDC(0)) != 0) |
| { |
| char *bits = (char *)info + DIB_BitmapInfoSize( info, DIB_RGB_COLORS ); |
| hbitmap = CreateDIBitmap( hdc, &info->bmiHeader, CBM_INIT, |
| bits, info, DIB_RGB_COLORS ); |
| ReleaseDC( 0, hdc ); |
| } |
| FreeResource( handle ); |
| return hbitmap; |
| } |
| |
| |
| /*********************************************************************** |
| * BITMAP_DeleteObject |
| */ |
| BOOL BITMAP_DeleteObject( HBITMAP hbitmap, BITMAPOBJ * bitmap ) |
| { |
| XFreePixmap( display, bitmap->pixmap ); |
| return GDI_FreeObject( hbitmap ); |
| } |
| |
| |
| /*********************************************************************** |
| * BITMAP_GetObject16 |
| */ |
| INT16 BITMAP_GetObject16( BITMAPOBJ * bmp, INT16 count, LPVOID buffer ) |
| { |
| 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 ) |
| { |
| 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; |
| } |
| |
| |
| /*********************************************************************** |
| * BITMAP_SelectObject |
| */ |
| HBITMAP BITMAP_SelectObject( DC * dc, HBITMAP hbitmap, |
| BITMAPOBJ * bmp ) |
| { |
| HRGN hrgn; |
| HBITMAP prevHandle = dc->w.hBitmap; |
| |
| if (!(dc->w.flags & DC_MEMORY)) return 0; |
| hrgn = CreateRectRgn( 0, 0, bmp->bitmap.bmWidth, bmp->bitmap.bmHeight ); |
| if (!hrgn) return 0; |
| |
| DeleteObject( dc->w.hVisRgn ); |
| dc->w.hVisRgn = hrgn; |
| dc->u.x.drawable = bmp->pixmap; |
| dc->w.hBitmap = hbitmap; |
| |
| /* Change GC depth if needed */ |
| |
| if (dc->w.bitsPerPixel != bmp->bitmap.bmBitsPixel) |
| { |
| XFreeGC( display, dc->u.x.gc ); |
| dc->u.x.gc = XCreateGC( display, dc->u.x.drawable, 0, NULL ); |
| dc->w.bitsPerPixel = bmp->bitmap.bmBitsPixel; |
| DC_InitDC( dc ); |
| } |
| else CLIPPING_UpdateGCRegion( dc ); /* Just update GC clip region */ |
| return prevHandle; |
| } |
| |
| /*********************************************************************** |
| * CreateDiscardableBitmap (GDI.156) (GDI32.38) |
| */ |
| HBITMAP16 CreateDiscardableBitmap( HDC32 hdc, INT32 width, INT32 height ) |
| { |
| dprintf_bitmap(stddeb,"CreateDiscardableBitmap(%04x, %d, %d); " |
| "// call CreateCompatibleBitmap() for now!\n", |
| hdc, width, height); |
| return CreateCompatibleBitmap(hdc, width, height); |
| } |
| |
| |
| /*********************************************************************** |
| * GetBitmapDimensionEx16 (GDI.468) |
| */ |
| BOOL16 GetBitmapDimensionEx16( HBITMAP16 hbitmap, LPSIZE16 size ) |
| { |
| BITMAPOBJ * bmp = (BITMAPOBJ *) GDI_GetObjPtr( hbitmap, BITMAP_MAGIC ); |
| if (!bmp) return FALSE; |
| *size = bmp->size; |
| return TRUE; |
| } |
| |
| |
| /*********************************************************************** |
| * GetBitmapDimensionEx32 (GDI32.144) |
| */ |
| BOOL32 GetBitmapDimensionEx32( HBITMAP32 hbitmap, LPSIZE32 size ) |
| { |
| BITMAPOBJ * bmp = (BITMAPOBJ *) GDI_GetObjPtr( hbitmap, BITMAP_MAGIC ); |
| if (!bmp) return FALSE; |
| size->cx = (INT32)bmp->size.cx; |
| size->cy = (INT32)bmp->size.cy; |
| return TRUE; |
| } |
| |
| |
| /*********************************************************************** |
| * GetBitmapDimension (GDI.162) |
| */ |
| DWORD GetBitmapDimension( HBITMAP16 hbitmap ) |
| { |
| SIZE16 size; |
| if (!GetBitmapDimensionEx16( hbitmap, &size )) return 0; |
| return MAKELONG( size.cx, size.cy ); |
| } |
| |
| |
| /*********************************************************************** |
| * SetBitmapDimensionEx16 (GDI.478) |
| */ |
| BOOL16 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; |
| return TRUE; |
| } |
| |
| |
| /*********************************************************************** |
| * SetBitmapDimensionEx32 (GDI32.304) |
| */ |
| BOOL32 SetBitmapDimensionEx32( HBITMAP32 hbitmap, INT32 x, INT32 y, |
| LPSIZE32 prevSize ) |
| { |
| 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; |
| return TRUE; |
| } |
| |
| |
| /*********************************************************************** |
| * SetBitmapDimension (GDI.163) |
| */ |
| DWORD SetBitmapDimension( HBITMAP16 hbitmap, INT16 x, INT16 y ) |
| { |
| SIZE16 size; |
| if (!SetBitmapDimensionEx16( hbitmap, x, y, &size )) return 0; |
| return MAKELONG( size.cx, size.cy ); |
| } |