| /* |
| * X11DRV brush objects |
| * |
| * Copyright 1993, 1994 Alexandre Julliard |
| */ |
| |
| #include "config.h" |
| |
| #include "ts_xlib.h" |
| |
| #include <stdlib.h> |
| #include "brush.h" |
| #include "bitmap.h" |
| #include "color.h" |
| #include "x11drv.h" |
| #include "debugtools.h" |
| #include "local.h" |
| |
| DEFAULT_DEBUG_CHANNEL(gdi); |
| |
| 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_Init |
| * |
| * Create the X image used for dithering. |
| */ |
| BOOL X11DRV_BRUSH_Init(void) |
| { |
| XCREATEIMAGE( ditherImage, MATRIX_SIZE, MATRIX_SIZE, X11DRV_GetDepth() ); |
| return (ditherImage != NULL); |
| } |
| |
| |
| /*********************************************************************** |
| * BRUSH_DitherColor |
| */ |
| static Pixmap BRUSH_DitherColor( DC *dc, COLORREF color ) |
| { |
| static COLORREF prevColor = 0xffffffff; |
| unsigned int x, y; |
| Pixmap pixmap; |
| |
| EnterCriticalSection( &X11DRV_CritSection ); |
| 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( display, X11DRV_GetXRootWindow(), |
| MATRIX_SIZE, MATRIX_SIZE, X11DRV_GetDepth() ); |
| XPutImage( display, pixmap, BITMAP_colorGC, ditherImage, 0, 0, |
| 0, 0, MATRIX_SIZE, MATRIX_SIZE ); |
| LeaveCriticalSection( &X11DRV_CritSection ); |
| return pixmap; |
| } |
| |
| |
| /*********************************************************************** |
| * BRUSH_SelectSolidBrush |
| */ |
| static void BRUSH_SelectSolidBrush( DC *dc, COLORREF color ) |
| { |
| X11DRV_PDEVICE *physDev = (X11DRV_PDEVICE *)dc->physDev; |
| |
| if ((dc->w.bitsPerPixel > 1) && (X11DRV_GetDepth() <= 8) && !COLOR_IsSolid( 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( dc, color ); |
| physDev->brush.fillStyle = FillSolid; |
| } |
| } |
| |
| |
| /*********************************************************************** |
| * BRUSH_SelectPatternBrush |
| */ |
| static BOOL BRUSH_SelectPatternBrush( DC * dc, HBITMAP hbitmap ) |
| { |
| X11DRV_PDEVICE *physDev = (X11DRV_PDEVICE *)dc->physDev; |
| BITMAPOBJ * bmp = (BITMAPOBJ *) GDI_GetObjPtr( hbitmap, BITMAP_MAGIC ); |
| if (!bmp) return FALSE; |
| |
| if(!bmp->physBitmap) |
| if(!X11DRV_CreateBitmap(hbitmap)) |
| return 0; |
| |
| if(bmp->funcs != dc->funcs) { |
| WARN("Trying to select non-X11 DDB into an X11 dc\n"); |
| return 0; |
| } |
| |
| if ((dc->w.bitsPerPixel == 1) && (bmp->bitmap.bmBitsPixel != 1)) |
| { |
| /* Special case: a color pattern on a monochrome DC */ |
| physDev->brush.pixmap = TSXCreatePixmap( display, X11DRV_GetXRootWindow(), 8, 8, 1); |
| /* FIXME: should probably convert to monochrome instead */ |
| TSXCopyPlane( display, (Pixmap)bmp->physBitmap, physDev->brush.pixmap, |
| BITMAP_monoGC, 0, 0, 8, 8, 0, 0, 1 ); |
| } |
| else |
| { |
| physDev->brush.pixmap = TSXCreatePixmap( display, X11DRV_GetXRootWindow(), |
| 8, 8, bmp->bitmap.bmBitsPixel ); |
| TSXCopyArea( display, (Pixmap)bmp->physBitmap, physDev->brush.pixmap, |
| BITMAP_GC(bmp), 0, 0, 8, 8, 0, 0 ); |
| } |
| |
| 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) */ |
| } |
| GDI_HEAP_UNLOCK( hbitmap ); |
| return TRUE; |
| } |
| |
| |
| |
| |
| /*********************************************************************** |
| * BRUSH_SelectObject |
| */ |
| HBRUSH X11DRV_BRUSH_SelectObject( DC * dc, HBRUSH hbrush, BRUSHOBJ * brush ) |
| { |
| HBITMAP16 hBitmap; |
| BITMAPINFO * bmpInfo; |
| HBRUSH16 prevHandle = dc->w.hBrush; |
| X11DRV_PDEVICE *physDev = (X11DRV_PDEVICE *)dc->physDev; |
| |
| TRACE("hdc=%04x hbrush=%04x\n", |
| dc->hSelf,hbrush); |
| |
| dc->w.hBrush = hbrush; |
| |
| if (physDev->brush.pixmap) |
| { |
| TSXFreePixmap( display, physDev->brush.pixmap ); |
| physDev->brush.pixmap = 0; |
| } |
| physDev->brush.style = brush->logbrush.lbStyle; |
| |
| switch(brush->logbrush.lbStyle) |
| { |
| case BS_NULL: |
| TRACE("BS_NULL\n" ); |
| break; |
| |
| case BS_SOLID: |
| TRACE("BS_SOLID\n" ); |
| BRUSH_SelectSolidBrush( dc, brush->logbrush.lbColor ); |
| break; |
| |
| case BS_HATCHED: |
| TRACE("BS_HATCHED\n" ); |
| physDev->brush.pixel = X11DRV_PALETTE_ToPhysical( dc, brush->logbrush.lbColor ); |
| physDev->brush.pixmap = TSXCreateBitmapFromData( display, X11DRV_GetXRootWindow(), |
| HatchBrushes[brush->logbrush.lbHatch], 8, 8 ); |
| physDev->brush.fillStyle = FillStippled; |
| break; |
| |
| case BS_PATTERN: |
| TRACE("BS_PATTERN\n"); |
| BRUSH_SelectPatternBrush( dc, (HBRUSH16)brush->logbrush.lbHatch ); |
| break; |
| |
| case BS_DIBPATTERN: |
| TRACE("BS_DIBPATTERN\n"); |
| if ((bmpInfo = (BITMAPINFO *) GlobalLock16( (HGLOBAL16)brush->logbrush.lbHatch ))) |
| { |
| int size = DIB_BitmapInfoSize( bmpInfo, brush->logbrush.lbColor ); |
| hBitmap = CreateDIBitmap( dc->hSelf, &bmpInfo->bmiHeader, |
| CBM_INIT, ((char *)bmpInfo) + size, |
| bmpInfo, |
| (WORD)brush->logbrush.lbColor ); |
| BRUSH_SelectPatternBrush( dc, hBitmap ); |
| DeleteObject16( hBitmap ); |
| GlobalUnlock16( (HGLOBAL16)brush->logbrush.lbHatch ); |
| } |
| |
| break; |
| } |
| |
| return prevHandle; |
| } |
