/* * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include "config.h" #include #include "bitmap.h" #include "x11drv.h" #include "wine/debug.h" WINE_DEFAULT_DEBUG_CHANNEL(gdi); #define NB_HATCH_STYLES (HS_DIAGCROSS+1) 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) \ X11DRV_PALETTE_mapEGAPixel[EGAmapping[((r)*PRIMARY_LEVELS+(g))*PRIMARY_LEVELS+(b)]] /* X image for building dithered pixmap */ static XImage *ditherImage = NULL; /*********************************************************************** * BRUSH_DitherColor */ static Pixmap BRUSH_DitherColor( DC *dc, COLORREF color ) { static COLORREF prevColor = 0xffffffff; unsigned int x, y; Pixmap pixmap; if (!ditherImage) { ditherImage = X11DRV_DIB_CreateXImage( MATRIX_SIZE, MATRIX_SIZE, screen_depth ); if (!ditherImage) return 0; } wine_tsx11_lock(); 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, screen_depth ); XPutImage( gdi_display, pixmap, BITMAP_colorGC, ditherImage, 0, 0, 0, 0, MATRIX_SIZE, MATRIX_SIZE ); wine_tsx11_unlock(); return pixmap; } /*********************************************************************** * BRUSH_SelectSolidBrush */ static void BRUSH_SelectSolidBrush( X11DRV_PDEVICE *physDev, COLORREF color ) { DC *dc = physDev->dc; if ((dc->bitsPerPixel > 1) && (screen_depth <= 8) && !X11DRV_IsSolidColor( color )) { /* Dithered brush */ physDev->brush.pixmap = BRUSH_DitherColor( dc, color ); physDev->brush.fillStyle = FillTiled; physDev->brush.pixel = 0; } else { /* Solid brush */ physDev->brush.pixel = X11DRV_PALETTE_ToPhysical( physDev, color ); physDev->brush.fillStyle = FillSolid; } } /*********************************************************************** * BRUSH_SelectPatternBrush */ static BOOL BRUSH_SelectPatternBrush( X11DRV_PDEVICE *physDev, HBITMAP hbitmap ) { BOOL ret = FALSE; DC *dc = physDev->dc; BITMAPOBJ * bmp = (BITMAPOBJ *) GDI_GetObjPtr( hbitmap, BITMAP_MAGIC ); if (!bmp) return FALSE; if(!bmp->physBitmap) goto done; wine_tsx11_lock(); if ((dc->bitsPerPixel == 1) && (bmp->bitmap.bmBitsPixel != 1)) { /* Special case: a color pattern on a monochrome DC */ physDev->brush.pixmap = XCreatePixmap( gdi_display, root_window, 8, 8, 1); /* FIXME: should probably convert to monochrome instead */ XCopyPlane( gdi_display, (Pixmap)bmp->physBitmap, physDev->brush.pixmap, BITMAP_monoGC, 0, 0, 8, 8, 0, 0, 1 ); } else { physDev->brush.pixmap = XCreatePixmap( gdi_display, root_window, 8, 8, bmp->bitmap.bmBitsPixel ); XCopyArea( gdi_display, (Pixmap)bmp->physBitmap, physDev->brush.pixmap, BITMAP_GC(bmp), 0, 0, 8, 8, 0, 0 ); } wine_tsx11_unlock(); if (bmp->bitmap.bmBitsPixel > 1) { physDev->brush.fillStyle = FillTiled; physDev->brush.pixel = 0; /* Ignored */ } else { physDev->brush.fillStyle = FillOpaqueStippled; physDev->brush.pixel = -1; /* Special case (see DC_SetupGCForBrush) */ } ret = TRUE; done: GDI_ReleaseObj( hbitmap ); return ret; } /*********************************************************************** * SelectBrush (X11DRV.@) */ HBRUSH X11DRV_SelectBrush( X11DRV_PDEVICE *physDev, HBRUSH hbrush ) { LOGBRUSH logbrush; HBITMAP hBitmap; BITMAPINFO * bmpInfo; if (!GetObjectA( hbrush, sizeof(logbrush), &logbrush )) return 0; TRACE("hdc=%p hbrush=%p\n", physDev->hdc,hbrush); if (physDev->brush.pixmap) { wine_tsx11_lock(); XFreePixmap( gdi_display, physDev->brush.pixmap ); wine_tsx11_unlock(); physDev->brush.pixmap = 0; } physDev->brush.style = logbrush.lbStyle; if (hbrush == GetStockObject( DC_BRUSH )) logbrush.lbColor = physDev->dc->dcBrushColor; 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 ); wine_tsx11_lock(); physDev->brush.pixmap = XCreateBitmapFromData( gdi_display, root_window, HatchBrushes[logbrush.lbHatch], 8, 8 ); wine_tsx11_unlock(); physDev->brush.fillStyle = FillStippled; break; case BS_PATTERN: TRACE("BS_PATTERN\n"); if (!BRUSH_SelectPatternBrush( physDev, (HBITMAP)logbrush.lbHatch )) return 0; break; case BS_DIBPATTERN: TRACE("BS_DIBPATTERN\n"); if ((bmpInfo = (BITMAPINFO *) GlobalLock16( (HGLOBAL16)logbrush.lbHatch ))) { int size = X11DRV_DIB_BitmapInfoSize( bmpInfo, logbrush.lbColor ); hBitmap = CreateDIBitmap( physDev->hdc, &bmpInfo->bmiHeader, CBM_INIT, ((char *)bmpInfo) + size, bmpInfo, (WORD)logbrush.lbColor ); BRUSH_SelectPatternBrush( physDev, hBitmap ); DeleteObject( hBitmap ); GlobalUnlock16( (HGLOBAL16)logbrush.lbHatch ); } break; } return hbrush; } /*********************************************************************** * SetDCBrushColor (X11DRV.@) */ COLORREF X11DRV_SetDCBrushColor( X11DRV_PDEVICE *physDev, COLORREF crColor ) { if (GetCurrentObject(physDev->hdc, OBJ_BRUSH) == GetStockObject( DC_BRUSH )) BRUSH_SelectSolidBrush( physDev, crColor ); return crColor; }