298 lines
8.5 KiB
C
298 lines
8.5 KiB
C
/*
|
|
* GDI brush objects
|
|
*
|
|
* Copyright 1993, 1994 Alexandre Julliard
|
|
*/
|
|
|
|
#include <stdlib.h>
|
|
#include "brush.h"
|
|
#include "bitmap.h"
|
|
#include "color.h"
|
|
#include "x11drv.h"
|
|
#include "debug.h"
|
|
|
|
static const char HatchBrushes[NB_HATCH_STYLES + 1][8] =
|
|
{
|
|
{ 0x00, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00 }, /* HS_HORIZONTAL */
|
|
{ 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08 }, /* HS_VERTICAL */
|
|
{ 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80 }, /* HS_FDIAGONAL */
|
|
{ 0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01 }, /* HS_BDIAGONAL */
|
|
{ 0x08, 0x08, 0x08, 0xff, 0x08, 0x08, 0x08, 0x08 }, /* HS_CROSS */
|
|
{ 0x81, 0x42, 0x24, 0x18, 0x18, 0x24, 0x42, 0x81 }, /* HS_DIAGCROSS */
|
|
{ 0xee, 0xbb, 0xee, 0xbb, 0xee, 0xbb, 0xee, 0xbb } /* Hack for DKGRAY */
|
|
};
|
|
|
|
/* Levels of each primary for dithering */
|
|
#define PRIMARY_LEVELS 3
|
|
#define TOTAL_LEVELS (PRIMARY_LEVELS*PRIMARY_LEVELS*PRIMARY_LEVELS)
|
|
|
|
/* Dithering matrix size */
|
|
#define MATRIX_SIZE 8
|
|
#define MATRIX_SIZE_2 (MATRIX_SIZE*MATRIX_SIZE)
|
|
|
|
/* Total number of possible levels for a dithered primary color */
|
|
#define DITHER_LEVELS (MATRIX_SIZE_2 * (PRIMARY_LEVELS-1) + 1)
|
|
|
|
/* Dithering matrix */
|
|
static const int dither_matrix[MATRIX_SIZE_2] =
|
|
{
|
|
0, 32, 8, 40, 2, 34, 10, 42,
|
|
48, 16, 56, 24, 50, 18, 58, 26,
|
|
12, 44, 4, 36, 14, 46, 6, 38,
|
|
60, 28, 52, 20, 62, 30, 54, 22,
|
|
3, 35, 11, 43, 1, 33, 9, 41,
|
|
51, 19, 59, 27, 49, 17, 57, 25,
|
|
15, 47, 7, 39, 13, 45, 5, 37,
|
|
63, 31, 55, 23, 61, 29, 53, 21
|
|
};
|
|
|
|
/* Mapping between (R,G,B) triples and EGA colors */
|
|
static const int EGAmapping[TOTAL_LEVELS] =
|
|
{
|
|
0, /* 000000 -> 000000 */
|
|
4, /* 00007f -> 000080 */
|
|
12, /* 0000ff -> 0000ff */
|
|
2, /* 007f00 -> 008000 */
|
|
6, /* 007f7f -> 008080 */
|
|
6, /* 007fff -> 008080 */
|
|
10, /* 00ff00 -> 00ff00 */
|
|
6, /* 00ff7f -> 008080 */
|
|
14, /* 00ffff -> 00ffff */
|
|
1, /* 7f0000 -> 800000 */
|
|
5, /* 7f007f -> 800080 */
|
|
5, /* 7f00ff -> 800080 */
|
|
3, /* 7f7f00 -> 808000 */
|
|
8, /* 7f7f7f -> 808080 */
|
|
7, /* 7f7fff -> c0c0c0 */
|
|
3, /* 7fff00 -> 808000 */
|
|
7, /* 7fff7f -> c0c0c0 */
|
|
7, /* 7fffff -> c0c0c0 */
|
|
9, /* ff0000 -> ff0000 */
|
|
5, /* ff007f -> 800080 */
|
|
13, /* ff00ff -> ff00ff */
|
|
3, /* ff7f00 -> 808000 */
|
|
7, /* ff7f7f -> c0c0c0 */
|
|
7, /* ff7fff -> c0c0c0 */
|
|
11, /* ffff00 -> ffff00 */
|
|
7, /* ffff7f -> c0c0c0 */
|
|
15 /* ffffff -> ffffff */
|
|
};
|
|
|
|
#define PIXEL_VALUE(r,g,b) \
|
|
COLOR_mapEGAPixel[EGAmapping[((r)*PRIMARY_LEVELS+(g))*PRIMARY_LEVELS+(b)]]
|
|
|
|
/* X image for building dithered pixmap */
|
|
static XImage *ditherImage = NULL;
|
|
|
|
|
|
/***********************************************************************
|
|
* BRUSH_Init
|
|
*
|
|
* Create the X image used for dithering.
|
|
*/
|
|
BOOL32 X11DRV_BRUSH_Init(void)
|
|
{
|
|
XCREATEIMAGE( ditherImage, MATRIX_SIZE, MATRIX_SIZE, screenDepth );
|
|
return (ditherImage != NULL);
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* BRUSH_DitherColor
|
|
*/
|
|
static Pixmap BRUSH_DitherColor( DC *dc, COLORREF color )
|
|
{
|
|
static COLORREF prevColor = 0xffffffff;
|
|
unsigned int x, y;
|
|
Pixmap pixmap;
|
|
|
|
EnterCriticalSection( &X11DRV_CritSection );
|
|
if (color != prevColor)
|
|
{
|
|
int r = GetRValue( color ) * DITHER_LEVELS;
|
|
int g = GetGValue( color ) * DITHER_LEVELS;
|
|
int b = GetBValue( color ) * DITHER_LEVELS;
|
|
const int *pmatrix = dither_matrix;
|
|
|
|
for (y = 0; y < MATRIX_SIZE; y++)
|
|
{
|
|
for (x = 0; x < MATRIX_SIZE; x++)
|
|
{
|
|
int d = *pmatrix++ * 256;
|
|
int dr = ((r + d) / MATRIX_SIZE_2) / 256;
|
|
int dg = ((g + d) / MATRIX_SIZE_2) / 256;
|
|
int db = ((b + d) / MATRIX_SIZE_2) / 256;
|
|
XPutPixel( ditherImage, x, y, PIXEL_VALUE(dr,dg,db) );
|
|
}
|
|
}
|
|
prevColor = color;
|
|
}
|
|
|
|
pixmap = XCreatePixmap( display, rootWindow,
|
|
MATRIX_SIZE, MATRIX_SIZE, screenDepth );
|
|
XPutImage( display, pixmap, BITMAP_colorGC, ditherImage, 0, 0,
|
|
0, 0, MATRIX_SIZE, MATRIX_SIZE );
|
|
LeaveCriticalSection( &X11DRV_CritSection );
|
|
return pixmap;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* BRUSH_SelectSolidBrush
|
|
*/
|
|
static void BRUSH_SelectSolidBrush( DC *dc, COLORREF color )
|
|
{
|
|
if ((dc->w.bitsPerPixel > 1) && (screenDepth <= 8) && !COLOR_IsSolid( color ))
|
|
{
|
|
/* Dithered brush */
|
|
dc->u.x.brush.pixmap = BRUSH_DitherColor( dc, color );
|
|
dc->u.x.brush.fillStyle = FillTiled;
|
|
dc->u.x.brush.pixel = 0;
|
|
}
|
|
else
|
|
{
|
|
/* Solid brush */
|
|
dc->u.x.brush.pixel = COLOR_ToPhysical( dc, color );
|
|
dc->u.x.brush.fillStyle = FillSolid;
|
|
}
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* BRUSH_SelectPatternBrush
|
|
*/
|
|
static BOOL32 BRUSH_SelectPatternBrush( DC * dc, HBITMAP32 hbitmap )
|
|
{
|
|
X11DRV_PHYSBITMAP *pbitmap;
|
|
BITMAPOBJ * bmp = (BITMAPOBJ *) GDI_GetObjPtr( hbitmap, BITMAP_MAGIC );
|
|
if (!bmp) return FALSE;
|
|
|
|
if(!bmp->DDBitmap)
|
|
if(!X11DRV_CreateBitmap(hbitmap))
|
|
return 0;
|
|
|
|
if(bmp->DDBitmap->funcs != dc->funcs) {
|
|
WARN(bitmap, "Trying to select non-X11 DDB into an X11 dc\n");
|
|
return 0;
|
|
}
|
|
|
|
pbitmap = bmp->DDBitmap->physBitmap;
|
|
|
|
if ((dc->w.bitsPerPixel == 1) && (bmp->bitmap.bmBitsPixel != 1))
|
|
{
|
|
/* Special case: a color pattern on a monochrome DC */
|
|
dc->u.x.brush.pixmap = TSXCreatePixmap( display, rootWindow, 8, 8, 1 );
|
|
/* FIXME: should probably convert to monochrome instead */
|
|
TSXCopyPlane( display, pbitmap->pixmap, dc->u.x.brush.pixmap,
|
|
BITMAP_monoGC, 0, 0, 8, 8, 0, 0, 1 );
|
|
}
|
|
else
|
|
{
|
|
dc->u.x.brush.pixmap = TSXCreatePixmap( display, rootWindow,
|
|
8, 8, bmp->bitmap.bmBitsPixel );
|
|
TSXCopyArea( display, pbitmap->pixmap, dc->u.x.brush.pixmap,
|
|
BITMAP_GC(bmp), 0, 0, 8, 8, 0, 0 );
|
|
}
|
|
|
|
if (bmp->bitmap.bmBitsPixel > 1)
|
|
{
|
|
dc->u.x.brush.fillStyle = FillTiled;
|
|
dc->u.x.brush.pixel = 0; /* Ignored */
|
|
}
|
|
else
|
|
{
|
|
dc->u.x.brush.fillStyle = FillOpaqueStippled;
|
|
dc->u.x.brush.pixel = -1; /* Special case (see DC_SetupGCForBrush) */
|
|
}
|
|
GDI_HEAP_UNLOCK( hbitmap );
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
|
|
|
|
/***********************************************************************
|
|
* BRUSH_SelectObject
|
|
*/
|
|
HBRUSH32 X11DRV_BRUSH_SelectObject( DC * dc, HBRUSH32 hbrush, BRUSHOBJ * brush )
|
|
{
|
|
HBITMAP16 hBitmap;
|
|
BITMAPINFO * bmpInfo;
|
|
HBRUSH16 prevHandle = dc->w.hBrush;
|
|
|
|
TRACE(gdi, "hdc=%04x hbrush=%04x\n",
|
|
dc->hSelf,hbrush);
|
|
#ifdef NOTDEF
|
|
if (dc->header.wMagic == METAFILE_DC_MAGIC)
|
|
{
|
|
LOGBRUSH16 logbrush = { brush->logbrush.lbStyle,
|
|
brush->logbrush.lbColor,
|
|
brush->logbrush.lbHatch };
|
|
switch (brush->logbrush.lbStyle)
|
|
{
|
|
case BS_SOLID:
|
|
case BS_HATCHED:
|
|
case BS_HOLLOW:
|
|
if (!MF_CreateBrushIndirect( dc, hbrush, &logbrush )) return 0;
|
|
break;
|
|
case BS_PATTERN:
|
|
case BS_DIBPATTERN:
|
|
if (!MF_CreatePatternBrush( dc, hbrush, &logbrush )) return 0;
|
|
break;
|
|
}
|
|
return 1; /* FIXME? */
|
|
}
|
|
#endif
|
|
dc->w.hBrush = hbrush;
|
|
|
|
if (dc->u.x.brush.pixmap)
|
|
{
|
|
TSXFreePixmap( display, dc->u.x.brush.pixmap );
|
|
dc->u.x.brush.pixmap = 0;
|
|
}
|
|
dc->u.x.brush.style = brush->logbrush.lbStyle;
|
|
|
|
switch(brush->logbrush.lbStyle)
|
|
{
|
|
case BS_NULL:
|
|
TRACE(gdi,"BS_NULL\n" );
|
|
break;
|
|
|
|
case BS_SOLID:
|
|
TRACE(gdi,"BS_SOLID\n" );
|
|
BRUSH_SelectSolidBrush( dc, brush->logbrush.lbColor );
|
|
break;
|
|
|
|
case BS_HATCHED:
|
|
TRACE(gdi, "BS_HATCHED\n" );
|
|
dc->u.x.brush.pixel = COLOR_ToPhysical( dc, brush->logbrush.lbColor );
|
|
dc->u.x.brush.pixmap = TSXCreateBitmapFromData( display, rootWindow,
|
|
HatchBrushes[brush->logbrush.lbHatch], 8, 8 );
|
|
dc->u.x.brush.fillStyle = FillStippled;
|
|
break;
|
|
|
|
case BS_PATTERN:
|
|
TRACE(gdi, "BS_PATTERN\n");
|
|
BRUSH_SelectPatternBrush( dc, (HBRUSH16)brush->logbrush.lbHatch );
|
|
break;
|
|
|
|
case BS_DIBPATTERN:
|
|
TRACE(gdi, "BS_DIBPATTERN\n");
|
|
if ((bmpInfo = (BITMAPINFO *) GlobalLock16( (HGLOBAL16)brush->logbrush.lbHatch )))
|
|
{
|
|
int size = DIB_BitmapInfoSize( bmpInfo, brush->logbrush.lbColor );
|
|
hBitmap = CreateDIBitmap32( dc->hSelf, &bmpInfo->bmiHeader,
|
|
CBM_INIT, ((char *)bmpInfo) + size,
|
|
bmpInfo,
|
|
(WORD)brush->logbrush.lbColor );
|
|
BRUSH_SelectPatternBrush( dc, hBitmap );
|
|
DeleteObject16( hBitmap );
|
|
GlobalUnlock16( (HGLOBAL16)brush->logbrush.lbHatch );
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
return prevHandle;
|
|
}
|