/* * X11DRV 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 */ #if 0 #pragma makedep unix #endif #include "config.h" #include #include "x11drv.h" #include "wine/debug.h" WINE_DEFAULT_DEBUG_CHANNEL(gdi); static const char HatchBrushes[][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 */ }; /* 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) \ X11DRV_PALETTE_mapEGAPixel[EGAmapping[((r)*PRIMARY_LEVELS+(g))*PRIMARY_LEVELS+(b)]] static const COLORREF BLACK = RGB(0, 0, 0); static const COLORREF WHITE = RGB(0xff, 0xff, 0xff); /*********************************************************************** * BRUSH_DitherColor */ static Pixmap BRUSH_DitherColor( COLORREF color, int depth) { /* X image for building dithered pixmap */ static XImage *ditherImage = NULL; static COLORREF prevColor = 0xffffffff; unsigned int x, y; Pixmap pixmap; GC gc; XLockDisplay( gdi_display ); if (!ditherImage) { ditherImage = XCreateImage( gdi_display, default_visual.visual, depth, ZPixmap, 0, NULL, MATRIX_SIZE, MATRIX_SIZE, 32, 0 ); if (!ditherImage) { ERR("Could not create dither image\n"); XUnlockDisplay( gdi_display ); return 0; } ditherImage->data = malloc( ditherImage->height * ditherImage->bytes_per_line ); } 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( gdi_display, root_window, MATRIX_SIZE, MATRIX_SIZE, depth ); gc = XCreateGC( gdi_display, pixmap, 0, NULL ); XPutImage( gdi_display, pixmap, gc, ditherImage, 0, 0, 0, 0, MATRIX_SIZE, MATRIX_SIZE ); XFreeGC( gdi_display, gc ); XUnlockDisplay( gdi_display ); return pixmap; } /*********************************************************************** * BRUSH_DitherMono */ static Pixmap BRUSH_DitherMono( COLORREF color ) { /* This makes the spray work in Win 3.11 pbrush.exe */ /* FIXME. Extend this basic selection of dither patterns */ static const char gray_dither[][2] = {{ 0x1, 0x0 }, /* DKGRAY */ { 0x2, 0x1 }, /* GRAY */ { 0x1, 0x3 }, /* LTGRAY */ }; int gray = (30 * GetRValue(color) + 59 * GetGValue(color) + 11 * GetBValue(color)) / 100; int idx = gray * (ARRAY_SIZE( gray_dither ) + 1)/256 - 1; TRACE("color=%s -> gray=%x\n", debugstr_color(color), gray); return XCreateBitmapFromData( gdi_display, root_window, gray_dither[idx], 2, 2 ); } /*********************************************************************** * BRUSH_SelectSolidBrush */ static void BRUSH_SelectSolidBrush( X11DRV_PDEVICE *physDev, COLORREF color ) { COLORREF colorRGB = X11DRV_PALETTE_GetColor( physDev, color ); if ((physDev->depth > 1) && (default_visual.depth <= 8) && !X11DRV_IsSolidColor( color )) { /* Dithered brush */ physDev->brush.pixmap = BRUSH_DitherColor( colorRGB, physDev->depth ); physDev->brush.fillStyle = FillTiled; physDev->brush.pixel = 0; } else if (physDev->depth == 1 && colorRGB != WHITE && colorRGB != BLACK) { physDev->brush.pixel = 0; physDev->brush.pixmap = BRUSH_DitherMono( colorRGB ); physDev->brush.fillStyle = FillTiled; } else { /* Solid brush */ physDev->brush.pixel = X11DRV_PALETTE_ToPhysical( physDev, color ); physDev->brush.fillStyle = FillSolid; } } static BOOL select_pattern_brush( X11DRV_PDEVICE *physdev, const struct brush_pattern *pattern ) { XVisualInfo vis = default_visual; Pixmap pixmap; const BITMAPINFO *info = pattern->info; if (physdev->depth == 1 || info->bmiHeader.biBitCount == 1) vis.depth = 1; pixmap = create_pixmap_from_image( physdev->dev.hdc, &vis, info, &pattern->bits, pattern->usage ); if (!pixmap) return FALSE; if (physdev->brush.pixmap) XFreePixmap( gdi_display, physdev->brush.pixmap ); physdev->brush.pixmap = pixmap; if (vis.depth == 1) { physdev->brush.fillStyle = FillOpaqueStippled; physdev->brush.pixel = -1; /* Special case (see DC_SetupGCForBrush) */ } else { physdev->brush.fillStyle = FillTiled; physdev->brush.pixel = 0; /* Ignored */ } return TRUE; } /*********************************************************************** * SelectBrush (X11DRV.@) */ HBRUSH CDECL X11DRV_SelectBrush( PHYSDEV dev, HBRUSH hbrush, const struct brush_pattern *pattern ) { X11DRV_PDEVICE *physDev = get_x11drv_dev( dev ); LOGBRUSH logbrush; if (pattern) /* pattern brush */ { if (!select_pattern_brush( physDev, pattern )) return 0; TRACE("BS_PATTERN\n"); physDev->brush.style = BS_PATTERN; return hbrush; } if (!NtGdiExtGetObjectW( hbrush, sizeof(logbrush), &logbrush )) return 0; TRACE("hdc=%p hbrush=%p\n", dev->hdc, hbrush); if (physDev->brush.pixmap) { XFreePixmap( gdi_display, physDev->brush.pixmap ); physDev->brush.pixmap = 0; } physDev->brush.style = logbrush.lbStyle; if (hbrush == GetStockObject( DC_BRUSH )) NtGdiGetDCDword( dev->hdc, NtGdiGetDCBrushColor, &logbrush.lbColor ); switch(logbrush.lbStyle) { case BS_NULL: TRACE("BS_NULL\n" ); break; case BS_SOLID: TRACE("BS_SOLID\n" ); BRUSH_SelectSolidBrush( physDev, logbrush.lbColor ); break; case BS_HATCHED: TRACE("BS_HATCHED\n" ); physDev->brush.pixel = X11DRV_PALETTE_ToPhysical( physDev, logbrush.lbColor ); physDev->brush.pixmap = XCreateBitmapFromData( gdi_display, root_window, HatchBrushes[logbrush.lbHatch], 8, 8 ); physDev->brush.fillStyle = FillStippled; break; } return hbrush; } /*********************************************************************** * SetDCBrushColor (X11DRV.@) */ COLORREF CDECL X11DRV_SetDCBrushColor( PHYSDEV dev, COLORREF crColor ) { X11DRV_PDEVICE *physDev = get_x11drv_dev( dev ); if (NtGdiGetDCObject( dev->hdc, NTGDI_OBJ_BRUSH ) == GetStockObject( DC_BRUSH )) BRUSH_SelectSolidBrush( physDev, crColor ); return crColor; }