4 * Copyright 1993, 1994 Alexandre Julliard
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
25 #include "wine/winbase16.h"
27 #include "wine/debug.h"
29 WINE_DEFAULT_DEBUG_CHANNEL(gdi);
31 static const char HatchBrushes[][8] =
33 { 0x00, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00 }, /* HS_HORIZONTAL */
34 { 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08 }, /* HS_VERTICAL */
35 { 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80 }, /* HS_FDIAGONAL */
36 { 0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01 }, /* HS_BDIAGONAL */
37 { 0x08, 0x08, 0x08, 0xff, 0x08, 0x08, 0x08, 0x08 }, /* HS_CROSS */
38 { 0x81, 0x42, 0x24, 0x18, 0x18, 0x24, 0x42, 0x81 }, /* HS_DIAGCROSS */
41 /* Levels of each primary for dithering */
42 #define PRIMARY_LEVELS 3
43 #define TOTAL_LEVELS (PRIMARY_LEVELS*PRIMARY_LEVELS*PRIMARY_LEVELS)
45 /* Dithering matrix size */
47 #define MATRIX_SIZE_2 (MATRIX_SIZE*MATRIX_SIZE)
49 /* Total number of possible levels for a dithered primary color */
50 #define DITHER_LEVELS (MATRIX_SIZE_2 * (PRIMARY_LEVELS-1) + 1)
52 /* Dithering matrix */
53 static const int dither_matrix[MATRIX_SIZE_2] =
55 0, 32, 8, 40, 2, 34, 10, 42,
56 48, 16, 56, 24, 50, 18, 58, 26,
57 12, 44, 4, 36, 14, 46, 6, 38,
58 60, 28, 52, 20, 62, 30, 54, 22,
59 3, 35, 11, 43, 1, 33, 9, 41,
60 51, 19, 59, 27, 49, 17, 57, 25,
61 15, 47, 7, 39, 13, 45, 5, 37,
62 63, 31, 55, 23, 61, 29, 53, 21
65 /* Mapping between (R,G,B) triples and EGA colors */
66 static const int EGAmapping[TOTAL_LEVELS] =
68 0, /* 000000 -> 000000 */
69 4, /* 00007f -> 000080 */
70 12, /* 0000ff -> 0000ff */
71 2, /* 007f00 -> 008000 */
72 6, /* 007f7f -> 008080 */
73 6, /* 007fff -> 008080 */
74 10, /* 00ff00 -> 00ff00 */
75 6, /* 00ff7f -> 008080 */
76 14, /* 00ffff -> 00ffff */
77 1, /* 7f0000 -> 800000 */
78 5, /* 7f007f -> 800080 */
79 5, /* 7f00ff -> 800080 */
80 3, /* 7f7f00 -> 808000 */
81 8, /* 7f7f7f -> 808080 */
82 7, /* 7f7fff -> c0c0c0 */
83 3, /* 7fff00 -> 808000 */
84 7, /* 7fff7f -> c0c0c0 */
85 7, /* 7fffff -> c0c0c0 */
86 9, /* ff0000 -> ff0000 */
87 5, /* ff007f -> 800080 */
88 13, /* ff00ff -> ff00ff */
89 3, /* ff7f00 -> 808000 */
90 7, /* ff7f7f -> c0c0c0 */
91 7, /* ff7fff -> c0c0c0 */
92 11, /* ffff00 -> ffff00 */
93 7, /* ffff7f -> c0c0c0 */
94 15 /* ffffff -> ffffff */
97 #define PIXEL_VALUE(r,g,b) \
98 X11DRV_PALETTE_mapEGAPixel[EGAmapping[((r)*PRIMARY_LEVELS+(g))*PRIMARY_LEVELS+(b)]]
100 static const COLORREF BLACK = RGB(0, 0, 0);
101 static const COLORREF WHITE = RGB(0xff, 0xff, 0xff);
103 /***********************************************************************
106 static Pixmap BRUSH_DitherColor( COLORREF color, int depth)
108 /* X image for building dithered pixmap */
109 static XImage *ditherImage = NULL;
110 static COLORREF prevColor = 0xffffffff;
113 GC gc = get_bitmap_gc(depth);
117 ditherImage = X11DRV_DIB_CreateXImage( MATRIX_SIZE, MATRIX_SIZE, depth );
120 ERR("Could not create dither image\n");
126 if (color != prevColor)
128 int r = GetRValue( color ) * DITHER_LEVELS;
129 int g = GetGValue( color ) * DITHER_LEVELS;
130 int b = GetBValue( color ) * DITHER_LEVELS;
131 const int *pmatrix = dither_matrix;
133 for (y = 0; y < MATRIX_SIZE; y++)
135 for (x = 0; x < MATRIX_SIZE; x++)
137 int d = *pmatrix++ * 256;
138 int dr = ((r + d) / MATRIX_SIZE_2) / 256;
139 int dg = ((g + d) / MATRIX_SIZE_2) / 256;
140 int db = ((b + d) / MATRIX_SIZE_2) / 256;
141 XPutPixel( ditherImage, x, y, PIXEL_VALUE(dr,dg,db) );
147 pixmap = XCreatePixmap( gdi_display, root_window, MATRIX_SIZE, MATRIX_SIZE, depth );
148 XPutImage( gdi_display, pixmap, gc, ditherImage, 0, 0,
149 0, 0, MATRIX_SIZE, MATRIX_SIZE );
156 /***********************************************************************
159 static Pixmap BRUSH_DitherMono( COLORREF color )
161 /* This makes the spray work in Win 3.11 pbrush.exe */
162 /* FIXME. Extend this basic selection of dither patterns */
163 static const char gray_dither[][2] = {{ 0x1, 0x0 }, /* DKGRAY */
164 { 0x2, 0x1 }, /* GRAY */
165 { 0x1, 0x3 }, /* LTGRAY */
167 int gray = (30 * GetRValue(color) + 59 * GetGValue(color) + 11 * GetBValue(color)) / 100;
168 int idx = gray * (sizeof gray_dither/sizeof gray_dither[0] + 1)/256 - 1;
171 TRACE("color=%06x -> gray=%x\n", color, gray);
174 pixmap = XCreateBitmapFromData( gdi_display, root_window,
181 /***********************************************************************
182 * BRUSH_SelectSolidBrush
184 static void BRUSH_SelectSolidBrush( X11DRV_PDEVICE *physDev, COLORREF color )
186 COLORREF colorRGB = X11DRV_PALETTE_GetColor( physDev, color );
187 if ((physDev->depth > 1) && (screen_depth <= 8) && !X11DRV_IsSolidColor( color ))
190 physDev->brush.pixmap = BRUSH_DitherColor( colorRGB, physDev->depth );
191 physDev->brush.fillStyle = FillTiled;
192 physDev->brush.pixel = 0;
194 else if (physDev->depth == 1 && colorRGB != WHITE && colorRGB != BLACK)
196 physDev->brush.pixel = 0;
197 physDev->brush.pixmap = BRUSH_DitherMono( colorRGB );
198 physDev->brush.fillStyle = FillTiled;
203 physDev->brush.pixel = X11DRV_PALETTE_ToPhysical( physDev, color );
204 physDev->brush.fillStyle = FillSolid;
209 /***********************************************************************
210 * BRUSH_SelectPatternBrush
212 static BOOL BRUSH_SelectPatternBrush( X11DRV_PDEVICE *physDev, HBITMAP hbitmap )
215 X_PHYSBITMAP *physBitmap = X11DRV_get_phys_bitmap( hbitmap );
217 if (!physBitmap || !GetObjectW( hbitmap, sizeof(bitmap), &bitmap )) return FALSE;
219 X11DRV_DIB_Lock( physBitmap, DIB_Status_GdiMod );
221 if ((physDev->depth == 1) && (physBitmap->depth != 1))
224 /* Special case: a color pattern on a monochrome DC */
225 physDev->brush.pixmap = XCreatePixmap( gdi_display, root_window,
226 bitmap.bmWidth, bitmap.bmHeight, 1);
227 /* FIXME: should probably convert to monochrome instead */
228 XCopyPlane( gdi_display, physBitmap->pixmap, physDev->brush.pixmap,
229 get_bitmap_gc(1), 0, 0, bitmap.bmWidth, bitmap.bmHeight, 0, 0, 1 );
234 /* XRender is needed because of possible depth conversion */
235 X11DRV_XRender_CopyBrush(physDev, physBitmap, bitmap.bmWidth, bitmap.bmHeight);
238 X11DRV_DIB_Unlock( physBitmap, TRUE );
240 if (physBitmap->depth > 1)
242 physDev->brush.fillStyle = FillTiled;
243 physDev->brush.pixel = 0; /* Ignored */
247 physDev->brush.fillStyle = FillOpaqueStippled;
248 physDev->brush.pixel = -1; /* Special case (see DC_SetupGCForBrush) */
254 /***********************************************************************
255 * BRUSH_SelectDIBPatternBrush
257 static BOOL BRUSH_SelectDIBPatternBrush( X11DRV_PDEVICE *physDev, HGLOBAL mem )
261 BITMAPINFO *info = GlobalLock( mem );
262 HBITMAP bitmap = CreateDIBitmap( physDev->dev.hdc, &info->bmiHeader, CBM_INIT,
263 (LPBYTE)info + bitmap_info_size( info, DIB_RGB_COLORS ),
264 info, DIB_RGB_COLORS );
266 /* make sure it's owned by x11drv */
267 memdc = CreateCompatibleDC( physDev->dev.hdc );
268 SelectObject( memdc, bitmap );
271 if ((ret = BRUSH_SelectPatternBrush( physDev, bitmap )))
273 X_PHYSBITMAP *physBitmap = X11DRV_get_phys_bitmap( bitmap );
274 physBitmap->pixmap = 0; /* so it doesn't get freed */
276 DeleteObject( bitmap );
282 /***********************************************************************
283 * SelectBrush (X11DRV.@)
285 HBRUSH X11DRV_SelectBrush( PHYSDEV dev, HBRUSH hbrush )
287 X11DRV_PDEVICE *physDev = get_x11drv_dev( dev );
290 if (!GetObjectA( hbrush, sizeof(logbrush), &logbrush )) return 0;
292 TRACE("hdc=%p hbrush=%p\n", dev->hdc, hbrush);
294 if (physDev->brush.pixmap)
297 XFreePixmap( gdi_display, physDev->brush.pixmap );
299 physDev->brush.pixmap = 0;
301 physDev->brush.style = logbrush.lbStyle;
302 if (hbrush == GetStockObject( DC_BRUSH ))
303 logbrush.lbColor = GetDCBrushColor( dev->hdc );
305 switch(logbrush.lbStyle)
312 TRACE("BS_SOLID\n" );
313 BRUSH_SelectSolidBrush( physDev, logbrush.lbColor );
317 TRACE("BS_HATCHED\n" );
318 physDev->brush.pixel = X11DRV_PALETTE_ToPhysical( physDev, logbrush.lbColor );
320 physDev->brush.pixmap = XCreateBitmapFromData( gdi_display, root_window,
321 HatchBrushes[logbrush.lbHatch], 8, 8 );
323 physDev->brush.fillStyle = FillStippled;
327 TRACE("BS_PATTERN\n");
328 if (!BRUSH_SelectPatternBrush( physDev, (HBITMAP)logbrush.lbHatch )) return 0;
332 TRACE("BS_DIBPATTERN\n");
333 if (!BRUSH_SelectDIBPatternBrush( physDev, (HGLOBAL)logbrush.lbHatch )) return 0;
340 /***********************************************************************
341 * SetDCBrushColor (X11DRV.@)
343 COLORREF X11DRV_SetDCBrushColor( PHYSDEV dev, COLORREF crColor )
345 X11DRV_PDEVICE *physDev = get_x11drv_dev( dev );
347 if (GetCurrentObject(dev->hdc, OBJ_BRUSH) == GetStockObject( DC_BRUSH ))
348 BRUSH_SelectSolidBrush( physDev, crColor );