4 * Copyright 1993, 1994 Alexandre Julliard
9 #ifndef X_DISPLAY_MISSING
18 #include "debugtools.h"
19 #include "xmalloc.h" /* for XCREATEIMAGE macro */
23 DEFAULT_DEBUG_CHANNEL(gdi
)
25 static const char HatchBrushes
[NB_HATCH_STYLES
+ 1][8] =
27 { 0x00, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00 }, /* HS_HORIZONTAL */
28 { 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08 }, /* HS_VERTICAL */
29 { 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80 }, /* HS_FDIAGONAL */
30 { 0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01 }, /* HS_BDIAGONAL */
31 { 0x08, 0x08, 0x08, 0xff, 0x08, 0x08, 0x08, 0x08 }, /* HS_CROSS */
32 { 0x81, 0x42, 0x24, 0x18, 0x18, 0x24, 0x42, 0x81 }, /* HS_DIAGCROSS */
33 { 0xee, 0xbb, 0xee, 0xbb, 0xee, 0xbb, 0xee, 0xbb } /* Hack for DKGRAY */
36 /* Levels of each primary for dithering */
37 #define PRIMARY_LEVELS 3
38 #define TOTAL_LEVELS (PRIMARY_LEVELS*PRIMARY_LEVELS*PRIMARY_LEVELS)
40 /* Dithering matrix size */
42 #define MATRIX_SIZE_2 (MATRIX_SIZE*MATRIX_SIZE)
44 /* Total number of possible levels for a dithered primary color */
45 #define DITHER_LEVELS (MATRIX_SIZE_2 * (PRIMARY_LEVELS-1) + 1)
47 /* Dithering matrix */
48 static const int dither_matrix
[MATRIX_SIZE_2
] =
50 0, 32, 8, 40, 2, 34, 10, 42,
51 48, 16, 56, 24, 50, 18, 58, 26,
52 12, 44, 4, 36, 14, 46, 6, 38,
53 60, 28, 52, 20, 62, 30, 54, 22,
54 3, 35, 11, 43, 1, 33, 9, 41,
55 51, 19, 59, 27, 49, 17, 57, 25,
56 15, 47, 7, 39, 13, 45, 5, 37,
57 63, 31, 55, 23, 61, 29, 53, 21
60 /* Mapping between (R,G,B) triples and EGA colors */
61 static const int EGAmapping
[TOTAL_LEVELS
] =
63 0, /* 000000 -> 000000 */
64 4, /* 00007f -> 000080 */
65 12, /* 0000ff -> 0000ff */
66 2, /* 007f00 -> 008000 */
67 6, /* 007f7f -> 008080 */
68 6, /* 007fff -> 008080 */
69 10, /* 00ff00 -> 00ff00 */
70 6, /* 00ff7f -> 008080 */
71 14, /* 00ffff -> 00ffff */
72 1, /* 7f0000 -> 800000 */
73 5, /* 7f007f -> 800080 */
74 5, /* 7f00ff -> 800080 */
75 3, /* 7f7f00 -> 808000 */
76 8, /* 7f7f7f -> 808080 */
77 7, /* 7f7fff -> c0c0c0 */
78 3, /* 7fff00 -> 808000 */
79 7, /* 7fff7f -> c0c0c0 */
80 7, /* 7fffff -> c0c0c0 */
81 9, /* ff0000 -> ff0000 */
82 5, /* ff007f -> 800080 */
83 13, /* ff00ff -> ff00ff */
84 3, /* ff7f00 -> 808000 */
85 7, /* ff7f7f -> c0c0c0 */
86 7, /* ff7fff -> c0c0c0 */
87 11, /* ffff00 -> ffff00 */
88 7, /* ffff7f -> c0c0c0 */
89 15 /* ffffff -> ffffff */
92 #define PIXEL_VALUE(r,g,b) \
93 X11DRV_PALETTE_mapEGAPixel[EGAmapping[((r)*PRIMARY_LEVELS+(g))*PRIMARY_LEVELS+(b)]]
95 /* X image for building dithered pixmap */
96 static XImage
*ditherImage
= NULL
;
99 /***********************************************************************
102 * Create the X image used for dithering.
104 BOOL
X11DRV_BRUSH_Init(void)
106 XCREATEIMAGE( ditherImage
, MATRIX_SIZE
, MATRIX_SIZE
, MONITOR_GetDepth(&MONITOR_PrimaryMonitor
) );
107 return (ditherImage
!= NULL
);
111 /***********************************************************************
114 static Pixmap
BRUSH_DitherColor( DC
*dc
, COLORREF color
)
116 static COLORREF prevColor
= 0xffffffff;
120 EnterCriticalSection( &X11DRV_CritSection
);
121 if (color
!= prevColor
)
123 int r
= GetRValue( color
) * DITHER_LEVELS
;
124 int g
= GetGValue( color
) * DITHER_LEVELS
;
125 int b
= GetBValue( color
) * DITHER_LEVELS
;
126 const int *pmatrix
= dither_matrix
;
128 for (y
= 0; y
< MATRIX_SIZE
; y
++)
130 for (x
= 0; x
< MATRIX_SIZE
; x
++)
132 int d
= *pmatrix
++ * 256;
133 int dr
= ((r
+ d
) / MATRIX_SIZE_2
) / 256;
134 int dg
= ((g
+ d
) / MATRIX_SIZE_2
) / 256;
135 int db
= ((b
+ d
) / MATRIX_SIZE_2
) / 256;
136 XPutPixel( ditherImage
, x
, y
, PIXEL_VALUE(dr
,dg
,db
) );
142 pixmap
= XCreatePixmap( display
, X11DRV_GetXRootWindow(),
143 MATRIX_SIZE
, MATRIX_SIZE
, MONITOR_GetDepth(&MONITOR_PrimaryMonitor
) );
144 XPutImage( display
, pixmap
, BITMAP_colorGC
, ditherImage
, 0, 0,
145 0, 0, MATRIX_SIZE
, MATRIX_SIZE
);
146 LeaveCriticalSection( &X11DRV_CritSection
);
151 /***********************************************************************
152 * BRUSH_SelectSolidBrush
154 static void BRUSH_SelectSolidBrush( DC
*dc
, COLORREF color
)
156 X11DRV_PDEVICE
*physDev
= (X11DRV_PDEVICE
*)dc
->physDev
;
158 if ((dc
->w
.bitsPerPixel
> 1) && (MONITOR_GetDepth(&MONITOR_PrimaryMonitor
) <= 8) && !COLOR_IsSolid( color
))
161 physDev
->brush
.pixmap
= BRUSH_DitherColor( dc
, color
);
162 physDev
->brush
.fillStyle
= FillTiled
;
163 physDev
->brush
.pixel
= 0;
168 physDev
->brush
.pixel
= X11DRV_PALETTE_ToPhysical( dc
, color
);
169 physDev
->brush
.fillStyle
= FillSolid
;
174 /***********************************************************************
175 * BRUSH_SelectPatternBrush
177 static BOOL
BRUSH_SelectPatternBrush( DC
* dc
, HBITMAP hbitmap
)
179 X11DRV_PHYSBITMAP
*pbitmap
;
180 X11DRV_PDEVICE
*physDev
= (X11DRV_PDEVICE
*)dc
->physDev
;
181 BITMAPOBJ
* bmp
= (BITMAPOBJ
*) GDI_GetObjPtr( hbitmap
, BITMAP_MAGIC
);
182 if (!bmp
) return FALSE
;
185 if(!X11DRV_CreateBitmap(hbitmap
))
188 if(bmp
->DDBitmap
->funcs
!= dc
->funcs
) {
189 WARN("Trying to select non-X11 DDB into an X11 dc\n");
193 pbitmap
= bmp
->DDBitmap
->physBitmap
;
195 if ((dc
->w
.bitsPerPixel
== 1) && (bmp
->bitmap
.bmBitsPixel
!= 1))
197 /* Special case: a color pattern on a monochrome DC */
198 physDev
->brush
.pixmap
= TSXCreatePixmap( display
, X11DRV_GetXRootWindow(), 8, 8, 1);
199 /* FIXME: should probably convert to monochrome instead */
200 TSXCopyPlane( display
, pbitmap
->pixmap
, physDev
->brush
.pixmap
,
201 BITMAP_monoGC
, 0, 0, 8, 8, 0, 0, 1 );
205 physDev
->brush
.pixmap
= TSXCreatePixmap( display
, X11DRV_GetXRootWindow(),
206 8, 8, bmp
->bitmap
.bmBitsPixel
);
207 TSXCopyArea( display
, pbitmap
->pixmap
, physDev
->brush
.pixmap
,
208 BITMAP_GC(bmp
), 0, 0, 8, 8, 0, 0 );
211 if (bmp
->bitmap
.bmBitsPixel
> 1)
213 physDev
->brush
.fillStyle
= FillTiled
;
214 physDev
->brush
.pixel
= 0; /* Ignored */
218 physDev
->brush
.fillStyle
= FillOpaqueStippled
;
219 physDev
->brush
.pixel
= -1; /* Special case (see DC_SetupGCForBrush) */
221 GDI_HEAP_UNLOCK( hbitmap
);
228 /***********************************************************************
231 HBRUSH
X11DRV_BRUSH_SelectObject( DC
* dc
, HBRUSH hbrush
, BRUSHOBJ
* brush
)
234 BITMAPINFO
* bmpInfo
;
235 HBRUSH16 prevHandle
= dc
->w
.hBrush
;
236 X11DRV_PDEVICE
*physDev
= (X11DRV_PDEVICE
*)dc
->physDev
;
238 TRACE("hdc=%04x hbrush=%04x\n",
241 dc
->w
.hBrush
= hbrush
;
243 if (physDev
->brush
.pixmap
)
245 TSXFreePixmap( display
, physDev
->brush
.pixmap
);
246 physDev
->brush
.pixmap
= 0;
248 physDev
->brush
.style
= brush
->logbrush
.lbStyle
;
250 switch(brush
->logbrush
.lbStyle
)
257 TRACE("BS_SOLID\n" );
258 BRUSH_SelectSolidBrush( dc
, brush
->logbrush
.lbColor
);
262 TRACE("BS_HATCHED\n" );
263 physDev
->brush
.pixel
= X11DRV_PALETTE_ToPhysical( dc
, brush
->logbrush
.lbColor
);
264 physDev
->brush
.pixmap
= TSXCreateBitmapFromData( display
, X11DRV_GetXRootWindow(),
265 HatchBrushes
[brush
->logbrush
.lbHatch
], 8, 8 );
266 physDev
->brush
.fillStyle
= FillStippled
;
270 TRACE("BS_PATTERN\n");
271 BRUSH_SelectPatternBrush( dc
, (HBRUSH16
)brush
->logbrush
.lbHatch
);
275 TRACE("BS_DIBPATTERN\n");
276 if ((bmpInfo
= (BITMAPINFO
*) GlobalLock16( (HGLOBAL16
)brush
->logbrush
.lbHatch
)))
278 int size
= DIB_BitmapInfoSize( bmpInfo
, brush
->logbrush
.lbColor
);
279 hBitmap
= CreateDIBitmap( dc
->hSelf
, &bmpInfo
->bmiHeader
,
280 CBM_INIT
, ((char *)bmpInfo
) + size
,
282 (WORD
)brush
->logbrush
.lbColor
);
283 BRUSH_SelectPatternBrush( dc
, hBitmap
);
284 DeleteObject16( hBitmap
);
285 GlobalUnlock16( (HGLOBAL16
)brush
->logbrush
.lbHatch
);
294 #endif /* !defined(X_DISPLAY_MISSING) */