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Sweden-Number/objects/brush.c

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