416 lines
10 KiB
C
416 lines
10 KiB
C
/*
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* GDI brush objects
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*
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* Copyright 1993, 1994 Alexandre Julliard
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*/
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#include <string.h>
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#include "winbase.h"
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#include "brush.h"
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#include "bitmap.h"
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#include "debugtools.h"
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DEFAULT_DEBUG_CHANNEL(gdi)
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static HGLOBAL16 dib_copy(BITMAPINFO *info, UINT coloruse)
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{
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BITMAPINFO *newInfo;
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HGLOBAL16 hmem;
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INT size;
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if (info->bmiHeader.biCompression)
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size = info->bmiHeader.biSizeImage;
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else
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size = DIB_GetDIBImageBytes(info->bmiHeader.biWidth,
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info->bmiHeader.biHeight,
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info->bmiHeader.biBitCount);
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size += DIB_BitmapInfoSize( info, coloruse );
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if (!(hmem = GlobalAlloc16( GMEM_MOVEABLE, size )))
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{
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return 0;
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}
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newInfo = (BITMAPINFO *) GlobalLock16( hmem );
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memcpy( newInfo, info, size );
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GlobalUnlock16( hmem );
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return hmem;
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}
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static BOOL create_brush_indirect(BRUSHOBJ *brushPtr, BOOL v16)
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{
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LOGBRUSH *brush = &brushPtr->logbrush;
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switch (brush->lbStyle)
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{
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case BS_PATTERN8X8:
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brush->lbStyle = BS_PATTERN;
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case BS_PATTERN:
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brush->lbHatch = (LONG)BITMAP_CopyBitmap( (HBITMAP) brush->lbHatch );
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if (! brush->lbHatch)
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break;
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return TRUE;
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case BS_DIBPATTERNPT:
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brush->lbStyle = BS_DIBPATTERN;
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brush->lbHatch = (LONG)dib_copy( (BITMAPINFO *) brush->lbHatch,
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brush->lbColor);
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if (! brush->lbHatch)
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break;
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return TRUE;
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case BS_DIBPATTERN8X8:
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case BS_DIBPATTERN:
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{
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BITMAPINFO* bmi;
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HGLOBAL h = brush->lbHatch;
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brush->lbStyle = BS_DIBPATTERN;
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if (v16)
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{
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if (!(bmi = (BITMAPINFO *)GlobalLock16( h )))
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break;
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}
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else
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{
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if (!(bmi = (BITMAPINFO *)GlobalLock( h )))
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break;
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}
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brush->lbHatch = dib_copy( bmi, brush->lbColor);
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if (v16) GlobalUnlock16( h );
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else GlobalUnlock( h );
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if (!brush->lbHatch)
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break;
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return TRUE;
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}
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default:
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if( brush->lbStyle <= BS_MONOPATTERN)
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return TRUE;
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}
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return FALSE;
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}
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/***********************************************************************
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* CreateBrushIndirect16 (GDI.50)
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*/
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HBRUSH16 WINAPI CreateBrushIndirect16( const LOGBRUSH16 * brush )
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{
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BOOL success;
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BRUSHOBJ * brushPtr;
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HBRUSH hbrush;
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if (!(brushPtr = GDI_AllocObject( sizeof(BRUSHOBJ), BRUSH_MAGIC, &hbrush ))) return 0;
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brushPtr->logbrush.lbStyle = brush->lbStyle;
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brushPtr->logbrush.lbColor = brush->lbColor;
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brushPtr->logbrush.lbHatch = brush->lbHatch;
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success = create_brush_indirect(brushPtr, TRUE);
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if(!success)
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{
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GDI_FreeObject( hbrush, brushPtr );
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hbrush = 0;
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}
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else GDI_ReleaseObj( hbrush );
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TRACE("%04x\n", hbrush);
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return hbrush;
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}
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/***********************************************************************
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* CreateBrushIndirect (GDI32.27)
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*
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* BUGS
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* As for Windows 95 and Windows 98:
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* Creating brushes from bitmaps or DIBs larger than 8x8 pixels
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* is not supported. If a larger bitmap is given, only a portion
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* of the bitmap is used.
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*/
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HBRUSH WINAPI CreateBrushIndirect( const LOGBRUSH * brush )
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{
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BOOL success;
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BRUSHOBJ * brushPtr;
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HBRUSH hbrush;
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if (!(brushPtr = GDI_AllocObject( sizeof(BRUSHOBJ), BRUSH_MAGIC, &hbrush ))) return 0;
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brushPtr->logbrush.lbStyle = brush->lbStyle;
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brushPtr->logbrush.lbColor = brush->lbColor;
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brushPtr->logbrush.lbHatch = brush->lbHatch;
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success = create_brush_indirect(brushPtr, FALSE);
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if(!success)
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{
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GDI_FreeObject( hbrush, brushPtr );
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hbrush = 0;
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}
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else GDI_ReleaseObj( hbrush );
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TRACE("%08x\n", hbrush);
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return hbrush;
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}
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/***********************************************************************
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* CreateHatchBrush16 (GDI.58)
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*/
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HBRUSH16 WINAPI CreateHatchBrush16( INT16 style, COLORREF color )
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{
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return CreateHatchBrush( style, color );
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}
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/***********************************************************************
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* CreateHatchBrush (GDI32.48)
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*/
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HBRUSH WINAPI CreateHatchBrush( INT style, COLORREF color )
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{
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LOGBRUSH logbrush;
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TRACE("%d %06lx\n", style, color );
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logbrush.lbStyle = BS_HATCHED;
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logbrush.lbColor = color;
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logbrush.lbHatch = style;
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return CreateBrushIndirect( &logbrush );
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}
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/***********************************************************************
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* CreatePatternBrush16 (GDI.60)
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*/
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HBRUSH16 WINAPI CreatePatternBrush16( HBITMAP16 hbitmap )
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{
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return (HBRUSH16)CreatePatternBrush( hbitmap );
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}
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/***********************************************************************
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* CreatePatternBrush (GDI32.54)
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*/
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HBRUSH WINAPI CreatePatternBrush( HBITMAP hbitmap )
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{
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LOGBRUSH logbrush = { BS_PATTERN, 0, 0 };
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TRACE("%04x\n", hbitmap );
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logbrush.lbHatch = hbitmap;
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return CreateBrushIndirect( &logbrush );
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}
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/***********************************************************************
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* CreateDIBPatternBrush16 (GDI.445)
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*/
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HBRUSH16 WINAPI CreateDIBPatternBrush16( HGLOBAL16 hbitmap, UINT16 coloruse )
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{
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LOGBRUSH16 logbrush;
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TRACE("%04x\n", hbitmap );
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logbrush.lbStyle = BS_DIBPATTERN;
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logbrush.lbColor = coloruse;
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logbrush.lbHatch = hbitmap;
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return CreateBrushIndirect16( &logbrush );
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}
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/***********************************************************************
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* CreateDIBPatternBrush (GDI32.34)
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*
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* Create a logical brush which has the pattern specified by the DIB
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*
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* Function call is for compatability only. CreateDIBPatternBrushPt should be used.
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*
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* RETURNS
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*
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* Handle to a logical brush on success, NULL on failure.
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*
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* BUGS
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*
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*/
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HBRUSH WINAPI CreateDIBPatternBrush(
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HGLOBAL hbitmap, /* Global object containg BITMAPINFO structure */
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UINT coloruse /* Specifies color format, if provided */
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)
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{
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LOGBRUSH logbrush;
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TRACE("%04x\n", hbitmap );
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logbrush.lbStyle = BS_DIBPATTERN;
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logbrush.lbColor = coloruse;
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logbrush.lbHatch = (LONG)hbitmap;
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return CreateBrushIndirect( &logbrush );
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}
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/***********************************************************************
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* CreateDIBPatternBrushPt (GDI32.35)
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*
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* Create a logical brush which has the pattern specified by the DIB
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*
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* RETURNS
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*
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* Handle to a logical brush on success, NULL on failure.
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*
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* BUGS
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*
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*/
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HBRUSH WINAPI CreateDIBPatternBrushPt(
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const void* data, /* Pointer to a BITMAPINFO structure followed by more data */
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UINT coloruse /* Specifies color format, if provided */
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)
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{
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BITMAPINFO *info=(BITMAPINFO*)data;
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LOGBRUSH logbrush;
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TRACE("%p %ldx%ld %dbpp\n", info, info->bmiHeader.biWidth,
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info->bmiHeader.biHeight, info->bmiHeader.biBitCount);
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logbrush.lbStyle = BS_DIBPATTERNPT;
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logbrush.lbColor = coloruse;
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logbrush.lbHatch = (LONG) data;
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return CreateBrushIndirect( &logbrush );
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}
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/***********************************************************************
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* CreateSolidBrush (GDI.66)
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*/
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HBRUSH16 WINAPI CreateSolidBrush16( COLORREF color )
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{
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return CreateSolidBrush( color );
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}
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/***********************************************************************
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* CreateSolidBrush (GDI32.64)
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*/
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HBRUSH WINAPI CreateSolidBrush( COLORREF color )
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{
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LOGBRUSH logbrush;
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TRACE("%06lx\n", color );
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logbrush.lbStyle = BS_SOLID;
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logbrush.lbColor = color;
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logbrush.lbHatch = 0;
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return CreateBrushIndirect( &logbrush );
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}
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/***********************************************************************
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* SetBrushOrg (GDI.148)
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*/
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DWORD WINAPI SetBrushOrg16( HDC16 hdc, INT16 x, INT16 y )
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{
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DWORD retval;
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DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
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if (!dc) return FALSE;
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retval = dc->w.brushOrgX | (dc->w.brushOrgY << 16);
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dc->w.brushOrgX = x;
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dc->w.brushOrgY = y;
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GDI_ReleaseObj( hdc );
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return retval;
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}
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/***********************************************************************
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* SetBrushOrgEx (GDI32.308)
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*/
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BOOL WINAPI SetBrushOrgEx( HDC hdc, INT x, INT y, LPPOINT oldorg )
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{
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DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
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if (!dc) return FALSE;
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if (oldorg)
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{
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oldorg->x = dc->w.brushOrgX;
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oldorg->y = dc->w.brushOrgY;
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}
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dc->w.brushOrgX = x;
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dc->w.brushOrgY = y;
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GDI_ReleaseObj( hdc );
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return TRUE;
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}
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/***********************************************************************
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* FixBrushOrgEx (GDI32.102)
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* SDK says discontinued, but in Win95 GDI32 this is the same as SetBrushOrgEx
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*/
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BOOL WINAPI FixBrushOrgEx( HDC hdc, INT x, INT y, LPPOINT oldorg )
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{
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return SetBrushOrgEx(hdc,x,y,oldorg);
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}
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/***********************************************************************
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* BRUSH_DeleteObject
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*/
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BOOL BRUSH_DeleteObject( HBRUSH16 hbrush, BRUSHOBJ * brush )
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{
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switch(brush->logbrush.lbStyle)
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{
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case BS_PATTERN:
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DeleteObject( (HGDIOBJ)brush->logbrush.lbHatch );
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break;
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case BS_DIBPATTERN:
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GlobalFree16( (HGLOBAL16)brush->logbrush.lbHatch );
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break;
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}
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return GDI_FreeObject( hbrush, brush );
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}
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/***********************************************************************
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* BRUSH_GetObject16
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*/
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INT16 BRUSH_GetObject16( BRUSHOBJ * brush, INT16 count, LPSTR buffer )
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{
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LOGBRUSH16 logbrush;
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logbrush.lbStyle = brush->logbrush.lbStyle;
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logbrush.lbColor = brush->logbrush.lbColor;
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logbrush.lbHatch = brush->logbrush.lbHatch;
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if (count > sizeof(logbrush)) count = sizeof(logbrush);
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memcpy( buffer, &logbrush, count );
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return count;
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}
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/***********************************************************************
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* BRUSH_GetObject
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*/
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INT BRUSH_GetObject( BRUSHOBJ * brush, INT count, LPSTR buffer )
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{
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if (count > sizeof(brush->logbrush)) count = sizeof(brush->logbrush);
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memcpy( buffer, &brush->logbrush, count );
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return count;
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}
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/***********************************************************************
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* SetSolidBrush16 (GDI.604)
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*
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* If hBrush is a solid brush, change it's color to newColor.
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*
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* RETURNS
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* TRUE on success, FALSE on failure.
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* FIXME: not yet implemented!
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*/
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BOOL16 WINAPI SetSolidBrush16(HBRUSH16 hBrush, COLORREF newColor )
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{
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FIXME("(hBrush %04x, newColor %04x): stub!\n", hBrush, (int)newColor);
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return(FALSE);
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}
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