| /* |
| * 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 |
| */ |
| |
| #include "config.h" |
| |
| #include <stdlib.h> |
| |
| #include "wine/winbase16.h" |
| #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; |
| |
| wine_tsx11_lock(); |
| if (!ditherImage) |
| { |
| ditherImage = XCreateImage( gdi_display, visual, depth, ZPixmap, 0, |
| NULL, MATRIX_SIZE, MATRIX_SIZE, 32, 0 ); |
| if (!ditherImage) |
| { |
| wine_tsx11_unlock(); |
| ERR("Could not create dither image\n"); |
| return 0; |
| } |
| ditherImage->data = HeapAlloc( GetProcessHeap(), 0, |
| 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 ); |
| wine_tsx11_unlock(); |
| |
| 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 * (sizeof gray_dither/sizeof gray_dither[0] + 1)/256 - 1; |
| Pixmap pixmap; |
| |
| TRACE("color=%06x -> gray=%x\n", color, gray); |
| |
| wine_tsx11_lock(); |
| pixmap = XCreateBitmapFromData( gdi_display, root_window, |
| gray_dither[idx], |
| 2, 2 ); |
| wine_tsx11_unlock(); |
| return pixmap; |
| } |
| |
| /*********************************************************************** |
| * BRUSH_SelectSolidBrush |
| */ |
| static void BRUSH_SelectSolidBrush( X11DRV_PDEVICE *physDev, COLORREF color ) |
| { |
| COLORREF colorRGB = X11DRV_PALETTE_GetColor( physDev, color ); |
| if ((physDev->depth > 1) && (screen_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; |
| Pixmap pixmap; |
| const BITMAPINFO *info = pattern->info; |
| |
| memset( &vis, 0, sizeof(vis) ); |
| vis.visual = visual; |
| vis.visualid = visual->visualid; |
| |
| if (physdev->depth > 1 && info->bmiHeader.biBitCount > 1) |
| { |
| vis.depth = screen_depth; |
| vis.red_mask = visual->red_mask; |
| vis.green_mask = visual->green_mask; |
| vis.blue_mask = visual->blue_mask; |
| } |
| else vis.depth = 1; |
| |
| pixmap = create_pixmap_from_image( physdev->dev.hdc, &vis, info, &pattern->bits, pattern->usage ); |
| if (!pixmap) return FALSE; |
| |
| wine_tsx11_lock(); |
| 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 */ |
| } |
| wine_tsx11_unlock(); |
| return TRUE; |
| } |
| |
| /*********************************************************************** |
| * SelectBrush (X11DRV.@) |
| */ |
| HBRUSH 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 (!GetObjectA( hbrush, sizeof(logbrush), &logbrush )) return 0; |
| |
| TRACE("hdc=%p hbrush=%p\n", dev->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 = GetDCBrushColor( dev->hdc ); |
| |
| 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; |
| } |
| return hbrush; |
| } |
| |
| |
| /*********************************************************************** |
| * SetDCBrushColor (X11DRV.@) |
| */ |
| COLORREF X11DRV_SetDCBrushColor( PHYSDEV dev, COLORREF crColor ) |
| { |
| X11DRV_PDEVICE *physDev = get_x11drv_dev( dev ); |
| |
| if (GetCurrentObject(dev->hdc, OBJ_BRUSH) == GetStockObject( DC_BRUSH )) |
| BRUSH_SelectSolidBrush( physDev, crColor ); |
| |
| return crColor; |
| } |
