452 lines
12 KiB
C
452 lines
12 KiB
C
/*
|
|
* GDI brush objects
|
|
*
|
|
* Copyright 1993, 1994 Alexandre Julliard
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include <stdarg.h>
|
|
#include <string.h>
|
|
|
|
#include "windef.h"
|
|
#include "winbase.h"
|
|
#include "wingdi.h"
|
|
#include "gdi_private.h"
|
|
#include "wine/debug.h"
|
|
|
|
WINE_DEFAULT_DEBUG_CHANNEL(gdi);
|
|
|
|
/* GDI logical brush object */
|
|
typedef struct
|
|
{
|
|
GDIOBJHDR header;
|
|
LOGBRUSH logbrush;
|
|
} BRUSHOBJ;
|
|
|
|
#define NB_HATCH_STYLES 6
|
|
|
|
static HGDIOBJ BRUSH_SelectObject( HGDIOBJ handle, HDC hdc );
|
|
static INT BRUSH_GetObject( HGDIOBJ handle, INT count, LPVOID buffer );
|
|
static BOOL BRUSH_DeleteObject( HGDIOBJ handle );
|
|
|
|
static const struct gdi_obj_funcs brush_funcs =
|
|
{
|
|
BRUSH_SelectObject, /* pSelectObject */
|
|
BRUSH_GetObject, /* pGetObjectA */
|
|
BRUSH_GetObject, /* pGetObjectW */
|
|
NULL, /* pUnrealizeObject */
|
|
BRUSH_DeleteObject /* pDeleteObject */
|
|
};
|
|
|
|
static HGLOBAL dib_copy(const BITMAPINFO *info, UINT coloruse)
|
|
{
|
|
BITMAPINFO *newInfo;
|
|
HGLOBAL hmem;
|
|
INT size;
|
|
|
|
if (info->bmiHeader.biCompression != BI_RGB && info->bmiHeader.biCompression != BI_BITFIELDS)
|
|
size = info->bmiHeader.biSizeImage;
|
|
else
|
|
size = DIB_GetDIBImageBytes(info->bmiHeader.biWidth,
|
|
info->bmiHeader.biHeight,
|
|
info->bmiHeader.biBitCount);
|
|
size += bitmap_info_size( info, coloruse );
|
|
|
|
if (!(hmem = GlobalAlloc( GMEM_MOVEABLE, size )))
|
|
{
|
|
return 0;
|
|
}
|
|
newInfo = GlobalLock( hmem );
|
|
memcpy( newInfo, info, size );
|
|
GlobalUnlock( hmem );
|
|
return hmem;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* CreateBrushIndirect (GDI32.@)
|
|
*
|
|
* Create a logical brush with a given style, color or pattern.
|
|
*
|
|
* PARAMS
|
|
* brush [I] Pointer to a LOGBRUSH structure describing the desired brush.
|
|
*
|
|
* RETURNS
|
|
* A handle to the created brush, or a NULL handle if the brush cannot be
|
|
* created.
|
|
*
|
|
* NOTES
|
|
* - The brush returned should be freed by the caller using DeleteObject()
|
|
* when it is no longer required.
|
|
* - Windows 95 and earlier cannot create brushes from bitmaps or DIBs larger
|
|
* than 8x8 pixels. If a larger bitmap is given, only a portion of the bitmap
|
|
* is used.
|
|
*/
|
|
HBRUSH WINAPI CreateBrushIndirect( const LOGBRUSH * brush )
|
|
{
|
|
BRUSHOBJ * ptr;
|
|
HBRUSH hbrush;
|
|
|
|
if (!(ptr = HeapAlloc( GetProcessHeap(), 0, sizeof(*ptr) ))) return 0;
|
|
|
|
ptr->logbrush.lbStyle = brush->lbStyle;
|
|
ptr->logbrush.lbColor = brush->lbColor;
|
|
ptr->logbrush.lbHatch = brush->lbHatch;
|
|
|
|
switch (ptr->logbrush.lbStyle)
|
|
{
|
|
case BS_PATTERN8X8:
|
|
ptr->logbrush.lbStyle = BS_PATTERN;
|
|
/* fall through */
|
|
case BS_PATTERN:
|
|
ptr->logbrush.lbHatch = (ULONG_PTR)BITMAP_CopyBitmap( (HBITMAP) ptr->logbrush.lbHatch );
|
|
if (!ptr->logbrush.lbHatch) goto error;
|
|
break;
|
|
|
|
case BS_DIBPATTERNPT:
|
|
ptr->logbrush.lbStyle = BS_DIBPATTERN;
|
|
ptr->logbrush.lbHatch = (ULONG_PTR)dib_copy( (BITMAPINFO *) ptr->logbrush.lbHatch,
|
|
ptr->logbrush.lbColor);
|
|
if (!ptr->logbrush.lbHatch) goto error;
|
|
break;
|
|
|
|
case BS_DIBPATTERN8X8:
|
|
case BS_DIBPATTERN:
|
|
{
|
|
BITMAPINFO* bmi;
|
|
HGLOBAL h = (HGLOBAL)ptr->logbrush.lbHatch;
|
|
|
|
ptr->logbrush.lbStyle = BS_DIBPATTERN;
|
|
if (!(bmi = GlobalLock( h ))) goto error;
|
|
ptr->logbrush.lbHatch = (ULONG_PTR)dib_copy( bmi, ptr->logbrush.lbColor);
|
|
GlobalUnlock( h );
|
|
if (!ptr->logbrush.lbHatch) goto error;
|
|
break;
|
|
}
|
|
|
|
default:
|
|
if(ptr->logbrush.lbStyle > BS_MONOPATTERN) goto error;
|
|
break;
|
|
}
|
|
|
|
if ((hbrush = alloc_gdi_handle( &ptr->header, OBJ_BRUSH, &brush_funcs )))
|
|
{
|
|
TRACE("%p\n", hbrush);
|
|
return hbrush;
|
|
}
|
|
|
|
error:
|
|
if (ptr->logbrush.lbHatch)
|
|
{
|
|
if (ptr->logbrush.lbStyle == BS_PATTERN)
|
|
DeleteObject( (HGDIOBJ)ptr->logbrush.lbHatch );
|
|
else if (ptr->logbrush.lbStyle == BS_DIBPATTERN)
|
|
GlobalFree( (HGLOBAL)ptr->logbrush.lbHatch );
|
|
}
|
|
HeapFree( GetProcessHeap(), 0, ptr );
|
|
return 0;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* CreateHatchBrush (GDI32.@)
|
|
*
|
|
* Create a logical brush with a hatched pattern.
|
|
*
|
|
* PARAMS
|
|
* style [I] Direction of lines for the hatch pattern (HS_* values from "wingdi.h")
|
|
* color [I] Colour of the hatched pattern
|
|
*
|
|
* RETURNS
|
|
* A handle to the created brush, or a NULL handle if the brush cannot
|
|
* be created.
|
|
*
|
|
* NOTES
|
|
* - This function uses CreateBrushIndirect() to create the brush.
|
|
* - The brush returned should be freed by the caller using DeleteObject()
|
|
* when it is no longer required.
|
|
*/
|
|
HBRUSH WINAPI CreateHatchBrush( INT style, COLORREF color )
|
|
{
|
|
LOGBRUSH logbrush;
|
|
|
|
TRACE("%d %06x\n", style, color );
|
|
|
|
logbrush.lbStyle = BS_HATCHED;
|
|
logbrush.lbColor = color;
|
|
logbrush.lbHatch = style;
|
|
|
|
return CreateBrushIndirect( &logbrush );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* CreatePatternBrush (GDI32.@)
|
|
*
|
|
* Create a logical brush with a pattern from a bitmap.
|
|
*
|
|
* PARAMS
|
|
* hbitmap [I] Bitmap containing pattern for the brush
|
|
*
|
|
* RETURNS
|
|
* A handle to the created brush, or a NULL handle if the brush cannot
|
|
* be created.
|
|
*
|
|
* NOTES
|
|
* - This function uses CreateBrushIndirect() to create the brush.
|
|
* - The brush returned should be freed by the caller using DeleteObject()
|
|
* when it is no longer required.
|
|
*/
|
|
HBRUSH WINAPI CreatePatternBrush( HBITMAP hbitmap )
|
|
{
|
|
LOGBRUSH logbrush = { BS_PATTERN, 0, 0 };
|
|
TRACE("%p\n", hbitmap );
|
|
|
|
logbrush.lbHatch = (ULONG_PTR)hbitmap;
|
|
return CreateBrushIndirect( &logbrush );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* CreateDIBPatternBrush (GDI32.@)
|
|
*
|
|
* Create a logical brush with a pattern from a DIB.
|
|
*
|
|
* PARAMS
|
|
* hbitmap [I] Global object containing BITMAPINFO structure for the pattern
|
|
* coloruse [I] Specifies color format, if provided
|
|
*
|
|
* RETURNS
|
|
* A handle to the created brush, or a NULL handle if the brush cannot
|
|
* be created.
|
|
*
|
|
* NOTES
|
|
* - This function uses CreateBrushIndirect() to create the brush.
|
|
* - The brush returned should be freed by the caller using DeleteObject()
|
|
* when it is no longer required.
|
|
* - This function is for compatibility only. CreateDIBPatternBrushPt() should
|
|
* be used instead.
|
|
*/
|
|
HBRUSH WINAPI CreateDIBPatternBrush( HGLOBAL hbitmap, UINT coloruse )
|
|
{
|
|
LOGBRUSH logbrush;
|
|
|
|
TRACE("%p\n", hbitmap );
|
|
|
|
logbrush.lbStyle = BS_DIBPATTERN;
|
|
logbrush.lbColor = coloruse;
|
|
|
|
logbrush.lbHatch = (ULONG_PTR)hbitmap;
|
|
|
|
return CreateBrushIndirect( &logbrush );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* CreateDIBPatternBrushPt (GDI32.@)
|
|
*
|
|
* Create a logical brush with a pattern from a DIB.
|
|
*
|
|
* PARAMS
|
|
* data [I] Pointer to a BITMAPINFO structure and image data for the pattern
|
|
* coloruse [I] Specifies color format, if provided
|
|
*
|
|
* RETURNS
|
|
* A handle to the created brush, or a NULL handle if the brush cannot
|
|
* be created.
|
|
*
|
|
* NOTES
|
|
* - This function uses CreateBrushIndirect() to create the brush.
|
|
* - The brush returned should be freed by the caller using DeleteObject()
|
|
* when it is no longer required.
|
|
*/
|
|
HBRUSH WINAPI CreateDIBPatternBrushPt( const void* data, UINT coloruse )
|
|
{
|
|
const BITMAPINFO *info=data;
|
|
LOGBRUSH logbrush;
|
|
|
|
if (!data)
|
|
return NULL;
|
|
|
|
TRACE("%p %dx%d %dbpp\n", info, info->bmiHeader.biWidth,
|
|
info->bmiHeader.biHeight, info->bmiHeader.biBitCount);
|
|
|
|
logbrush.lbStyle = BS_DIBPATTERNPT;
|
|
logbrush.lbColor = coloruse;
|
|
logbrush.lbHatch = (ULONG_PTR)data;
|
|
|
|
return CreateBrushIndirect( &logbrush );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* CreateSolidBrush (GDI32.@)
|
|
*
|
|
* Create a logical brush consisting of a single colour.
|
|
*
|
|
* PARAMS
|
|
* color [I] Colour to make the solid brush
|
|
*
|
|
* RETURNS
|
|
* A handle to the newly created brush, or a NULL handle if the brush cannot
|
|
* be created.
|
|
*
|
|
* NOTES
|
|
* - This function uses CreateBrushIndirect() to create the brush.
|
|
* - The brush returned should be freed by the caller using DeleteObject()
|
|
* when it is no longer required.
|
|
*/
|
|
HBRUSH WINAPI CreateSolidBrush( COLORREF color )
|
|
{
|
|
LOGBRUSH logbrush;
|
|
|
|
TRACE("%06x\n", color );
|
|
|
|
logbrush.lbStyle = BS_SOLID;
|
|
logbrush.lbColor = color;
|
|
logbrush.lbHatch = 0;
|
|
|
|
return CreateBrushIndirect( &logbrush );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* SetBrushOrgEx (GDI32.@)
|
|
*
|
|
* Set the brush origin for a device context.
|
|
*
|
|
* PARAMS
|
|
* hdc [I] Device context to set the brush origin for
|
|
* x [I] New x origin
|
|
* y [I] Ney y origin
|
|
* oldorg [O] If non NULL, destination for previously set brush origin.
|
|
*
|
|
* RETURNS
|
|
* Success: TRUE. The origin is set to (x,y), and oldorg is updated if given.
|
|
*/
|
|
BOOL WINAPI SetBrushOrgEx( HDC hdc, INT x, INT y, LPPOINT oldorg )
|
|
{
|
|
DC *dc = get_dc_ptr( hdc );
|
|
|
|
if (!dc) return FALSE;
|
|
if (oldorg)
|
|
{
|
|
oldorg->x = dc->brushOrgX;
|
|
oldorg->y = dc->brushOrgY;
|
|
}
|
|
dc->brushOrgX = x;
|
|
dc->brushOrgY = y;
|
|
release_dc_ptr( dc );
|
|
return TRUE;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* FixBrushOrgEx (GDI32.@)
|
|
*
|
|
* See SetBrushOrgEx.
|
|
*
|
|
* NOTES
|
|
* This function is no longer documented by MSDN, but in Win95 GDI32 it
|
|
* is the same as SetBrushOrgEx().
|
|
*/
|
|
BOOL WINAPI FixBrushOrgEx( HDC hdc, INT x, INT y, LPPOINT oldorg )
|
|
{
|
|
return SetBrushOrgEx(hdc,x,y,oldorg);
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* BRUSH_SelectObject
|
|
*/
|
|
static HGDIOBJ BRUSH_SelectObject( HGDIOBJ handle, HDC hdc )
|
|
{
|
|
BRUSHOBJ *brush;
|
|
HGDIOBJ ret = 0;
|
|
DC *dc = get_dc_ptr( hdc );
|
|
|
|
if (!dc)
|
|
{
|
|
SetLastError( ERROR_INVALID_HANDLE );
|
|
return 0;
|
|
}
|
|
|
|
if ((brush = GDI_GetObjPtr( handle, OBJ_BRUSH )))
|
|
{
|
|
PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSelectBrush );
|
|
|
|
if (brush->logbrush.lbStyle == BS_PATTERN)
|
|
BITMAP_SetOwnerDC( (HBITMAP)brush->logbrush.lbHatch, dc );
|
|
|
|
GDI_inc_ref_count( handle );
|
|
GDI_ReleaseObj( handle );
|
|
|
|
if (!physdev->funcs->pSelectBrush( physdev, handle ))
|
|
{
|
|
GDI_dec_ref_count( handle );
|
|
}
|
|
else
|
|
{
|
|
ret = dc->hBrush;
|
|
dc->hBrush = handle;
|
|
GDI_dec_ref_count( ret );
|
|
}
|
|
}
|
|
release_dc_ptr( dc );
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* BRUSH_DeleteObject
|
|
*/
|
|
static BOOL BRUSH_DeleteObject( HGDIOBJ handle )
|
|
{
|
|
BRUSHOBJ *brush = free_gdi_handle( handle );
|
|
|
|
if (!brush) return FALSE;
|
|
switch(brush->logbrush.lbStyle)
|
|
{
|
|
case BS_PATTERN:
|
|
DeleteObject( (HGDIOBJ)brush->logbrush.lbHatch );
|
|
break;
|
|
case BS_DIBPATTERN:
|
|
GlobalFree( (HGLOBAL)brush->logbrush.lbHatch );
|
|
break;
|
|
}
|
|
return HeapFree( GetProcessHeap(), 0, brush );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* BRUSH_GetObject
|
|
*/
|
|
static INT BRUSH_GetObject( HGDIOBJ handle, INT count, LPVOID buffer )
|
|
{
|
|
BRUSHOBJ *brush = GDI_GetObjPtr( handle, OBJ_BRUSH );
|
|
|
|
if (!brush) return 0;
|
|
if (buffer)
|
|
{
|
|
if (count > sizeof(brush->logbrush)) count = sizeof(brush->logbrush);
|
|
memcpy( buffer, &brush->logbrush, count );
|
|
}
|
|
else count = sizeof(brush->logbrush);
|
|
GDI_ReleaseObj( handle );
|
|
return count;
|
|
}
|