790 lines
23 KiB
C
790 lines
23 KiB
C
/*
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* GDI Device Context functions
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*
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* Copyright 1993 Alexandre Julliard
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*
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*/
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#include <stdlib.h>
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#include <string.h>
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#include "gdi.h"
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#include "bitmap.h"
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#include "metafile.h"
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#include "stddebug.h"
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#include "color.h"
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#include "debug.h"
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#include "font.h"
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#include "xmalloc.h"
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extern void CLIPPING_UpdateGCRegion( DC * dc ); /* objects/clipping.c */
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/* Default DC values */
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static const WIN_DC_INFO DC_defaultValues =
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{
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0, /* flags */
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NULL, /* devCaps */
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0, /* hClipRgn */
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0, /* hVisRgn */
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0, /* hGCClipRgn */
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STOCK_BLACK_PEN, /* hPen */
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STOCK_WHITE_BRUSH, /* hBrush */
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STOCK_SYSTEM_FONT, /* hFont */
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0, /* hBitmap */
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0, /* hFirstBitmap */
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0, /* hDevice */
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STOCK_DEFAULT_PALETTE, /* hPalette */
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R2_COPYPEN, /* ROPmode */
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ALTERNATE, /* polyFillMode */
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BLACKONWHITE, /* stretchBltMode */
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ABSOLUTE, /* relAbsMode */
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OPAQUE, /* backgroundMode */
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RGB( 255, 255, 255 ), /* backgroundColor */
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RGB( 0, 0, 0 ), /* textColor */
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0, /* backgroundPixel */
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0, /* textPixel */
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0, /* brushOrgX */
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0, /* brushOrgY */
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TA_LEFT | TA_TOP | TA_NOUPDATECP, /* textAlign */
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0, /* charExtra */
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0, /* breakTotalExtra */
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0, /* breakCount */
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0, /* breakExtra */
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0, /* breakRem */
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1, /* bitsPerPixel */
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MM_TEXT, /* MapMode */
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0, /* DCOrgX */
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0, /* DCOrgY */
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0, /* CursPosX */
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0, /* CursPosY */
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0, /* WndOrgX */
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0, /* WndOrgY */
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1, /* WndExtX */
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1, /* WndExtY */
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0, /* VportOrgX */
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0, /* VportOrgY */
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1, /* VportExtX */
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1 /* VportExtY */
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};
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/* ROP code to GC function conversion */
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const int DC_XROPfunction[16] =
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{
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GXclear, /* R2_BLACK */
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GXnor, /* R2_NOTMERGEPEN */
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GXandInverted, /* R2_MASKNOTPEN */
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GXcopyInverted, /* R2_NOTCOPYPEN */
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GXandReverse, /* R2_MASKPENNOT */
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GXinvert, /* R2_NOT */
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GXxor, /* R2_XORPEN */
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GXnand, /* R2_NOTMASKPEN */
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GXand, /* R2_MASKPEN */
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GXequiv, /* R2_NOTXORPEN */
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GXnoop, /* R2_NOP */
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GXorInverted, /* R2_MERGENOTPEN */
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GXcopy, /* R2_COPYPEN */
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GXorReverse, /* R2_MERGEPENNOT */
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GXor, /* R2_MERGEPEN */
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GXset /* R2_WHITE */
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};
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/***********************************************************************
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* DC_FillDevCaps
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*
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* Fill the device caps structure.
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*/
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void DC_FillDevCaps( DeviceCaps * caps )
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{
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caps->version = 0x300;
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caps->technology = DT_RASDISPLAY;
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caps->horzSize = WidthMMOfScreen(screen) * screenWidth / WidthOfScreen(screen);
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caps->vertSize = HeightMMOfScreen(screen) * screenHeight / HeightOfScreen(screen);
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caps->horzRes = screenWidth;
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caps->vertRes = screenHeight;
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caps->bitsPixel = screenDepth;
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caps->planes = 1;
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caps->numBrushes = 16+6; /* 16 solid + 6 hatched brushes */
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caps->numPens = 16; /* 16 solid pens */
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caps->numMarkers = 0;
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caps->numFonts = 0;
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caps->numColors = 100;
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caps->pdeviceSize = 0;
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caps->curveCaps = CC_CIRCLES | CC_PIE | CC_CHORD | CC_ELLIPSES |
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CC_WIDE | CC_STYLED | CC_WIDESTYLED |
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CC_INTERIORS | CC_ROUNDRECT;
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caps->lineCaps = LC_POLYLINE | LC_MARKER | LC_POLYMARKER | LC_WIDE |
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LC_STYLED | LC_WIDESTYLED | LC_INTERIORS;
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caps->polygonalCaps = PC_POLYGON | PC_RECTANGLE | PC_WINDPOLYGON |
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PC_SCANLINE | PC_WIDE | PC_STYLED |
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PC_WIDESTYLED | PC_INTERIORS;
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caps->textCaps = TC_OP_CHARACTER | TC_OP_STROKE | TC_CP_STROKE |
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TC_IA_ABLE | TC_UA_ABLE | TC_SO_ABLE | TC_RA_ABLE;
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caps->clipCaps = CP_REGION;
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caps->rasterCaps = RC_BITBLT | RC_BANDING | RC_SCALING | RC_BITMAP64 |
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RC_DI_BITMAP | RC_DIBTODEV | RC_BIGFONT|
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RC_STRETCHBLT | RC_STRETCHDIB | RC_DEVBITS;
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if( !(COLOR_GetSystemPaletteFlags() & COLOR_VIRTUAL) )
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caps->rasterCaps |= RC_PALETTE;
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caps->aspectX = 36; /* ?? */
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caps->aspectY = 36; /* ?? */
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caps->aspectXY = 51;
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caps->logPixelsX = (int)(caps->horzRes * 25.4 / caps->horzSize);
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caps->logPixelsY = (int)(caps->vertRes * 25.4 / caps->vertSize);
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caps->sizePalette = (caps->rasterCaps & RC_PALETTE)
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? DefaultVisual(display,DefaultScreen(display))->map_entries
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: 0;
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caps->numReserved = 0;
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caps->colorRes = 0;
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}
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/***********************************************************************
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* DC_AllocDC
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*/
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DC *DC_AllocDC( const DC_FUNCTIONS *funcs )
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{
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HDC16 hdc;
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DC *dc;
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if (!(hdc = GDI_AllocObject( sizeof(DC), DC_MAGIC ))) return NULL;
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dc = (DC *) GDI_HEAP_LIN_ADDR( hdc );
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dc->hSelf = hdc;
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dc->funcs = funcs;
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dc->physDev = NULL;
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dc->saveLevel = 0;
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dc->dwHookData = 0L;
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dc->hookProc = NULL;
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memcpy( &dc->w, &DC_defaultValues, sizeof(DC_defaultValues) );
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return dc;
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}
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/***********************************************************************
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* DC_GetDCPtr
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*/
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DC *DC_GetDCPtr( HDC32 hdc )
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{
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GDIOBJHDR *ptr = (GDIOBJHDR *)GDI_HEAP_LIN_ADDR( hdc );
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if ((ptr->wMagic == DC_MAGIC) || (ptr->wMagic == METAFILE_DC_MAGIC))
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return (DC *)ptr;
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return NULL;
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}
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/***********************************************************************
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* DC_InitDC
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*
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* Setup device-specific DC values for a newly created DC.
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*/
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void DC_InitDC( DC* dc )
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{
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RealizeDefaultPalette( dc->hSelf );
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SetTextColor( dc->hSelf, dc->w.textColor );
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SetBkColor( dc->hSelf, dc->w.backgroundColor );
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SelectObject( dc->hSelf, dc->w.hPen );
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SelectObject( dc->hSelf, dc->w.hBrush );
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SelectObject( dc->hSelf, dc->w.hFont );
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CLIPPING_UpdateGCRegion( dc );
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}
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/***********************************************************************
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* DC_SetupGCForPatBlt
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*
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* Setup the GC for a PatBlt operation using current brush.
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* If fMapColors is TRUE, X pixels are mapped to Windows colors.
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* Return FALSE if brush is BS_NULL, TRUE otherwise.
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*/
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BOOL32 DC_SetupGCForPatBlt( DC * dc, GC gc, BOOL32 fMapColors )
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{
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XGCValues val;
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unsigned long mask;
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Pixmap pixmap = 0;
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if (dc->u.x.brush.style == BS_NULL) return FALSE;
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if (dc->u.x.brush.pixel == -1)
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{
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/* Special case used for monochrome pattern brushes.
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* We need to swap foreground and background because
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* Windows does it the wrong way...
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*/
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val.foreground = dc->w.backgroundPixel;
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val.background = dc->w.textPixel;
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}
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else
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{
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val.foreground = dc->u.x.brush.pixel;
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val.background = dc->w.backgroundPixel;
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}
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if (fMapColors && COLOR_PixelToPalette)
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{
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val.foreground = COLOR_PixelToPalette[val.foreground];
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val.background = COLOR_PixelToPalette[val.background];
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}
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if (dc->w.flags & DC_DIRTY) CLIPPING_UpdateGCRegion(dc);
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val.function = DC_XROPfunction[dc->w.ROPmode-1];
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val.fill_style = dc->u.x.brush.fillStyle;
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switch(val.fill_style)
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{
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case FillStippled:
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case FillOpaqueStippled:
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if (dc->w.backgroundMode==OPAQUE) val.fill_style = FillOpaqueStippled;
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val.stipple = dc->u.x.brush.pixmap;
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mask = GCStipple;
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break;
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case FillTiled:
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if (fMapColors && COLOR_PixelToPalette)
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{
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register int x, y;
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XImage *image;
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pixmap = XCreatePixmap( display, rootWindow, 8, 8, screenDepth );
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image = XGetImage( display, dc->u.x.brush.pixmap, 0, 0, 8, 8,
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AllPlanes, ZPixmap );
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for (y = 0; y < 8; y++)
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for (x = 0; x < 8; x++)
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XPutPixel( image, x, y,
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COLOR_PixelToPalette[XGetPixel( image, x, y)] );
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XPutImage( display, pixmap, gc, image, 0, 0, 0, 0, 8, 8 );
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XDestroyImage( image );
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val.tile = pixmap;
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}
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else val.tile = dc->u.x.brush.pixmap;
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mask = GCTile;
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break;
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default:
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mask = 0;
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break;
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}
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val.ts_x_origin = dc->w.DCOrgX + dc->w.brushOrgX;
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val.ts_y_origin = dc->w.DCOrgY + dc->w.brushOrgY;
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val.fill_rule = (dc->w.polyFillMode==WINDING) ? WindingRule : EvenOddRule;
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XChangeGC( display, gc,
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GCFunction | GCForeground | GCBackground | GCFillStyle |
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GCFillRule | GCTileStipXOrigin | GCTileStipYOrigin | mask,
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&val );
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if (pixmap) XFreePixmap( display, pixmap );
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return TRUE;
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}
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/***********************************************************************
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* DC_SetupGCForBrush
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*
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* Setup dc->u.x.gc for drawing operations using current brush.
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* Return FALSE if brush is BS_NULL, TRUE otherwise.
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*/
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BOOL32 DC_SetupGCForBrush( DC * dc )
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{
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return DC_SetupGCForPatBlt( dc, dc->u.x.gc, FALSE );
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}
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/***********************************************************************
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* DC_SetupGCForPen
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*
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* Setup dc->u.x.gc for drawing operations using current pen.
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* Return FALSE if pen is PS_NULL, TRUE otherwise.
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*/
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BOOL32 DC_SetupGCForPen( DC * dc )
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{
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XGCValues val;
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if (dc->u.x.pen.style == PS_NULL) return FALSE;
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if (dc->w.flags & DC_DIRTY) CLIPPING_UpdateGCRegion(dc);
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if ((screenDepth <= 8) && /* FIXME: Should check for palette instead */
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((dc->w.ROPmode == R2_BLACK) || (dc->w.ROPmode == R2_WHITE)))
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{
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val.function = GXcopy;
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val.foreground = COLOR_ToPhysical( NULL, (dc->w.ROPmode == R2_BLACK) ?
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RGB(0,0,0) : RGB(255,255,255) );
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}
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else
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{
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val.function = DC_XROPfunction[dc->w.ROPmode-1];
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val.foreground = dc->u.x.pen.pixel;
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}
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val.background = dc->w.backgroundPixel;
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val.fill_style = FillSolid;
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if ((dc->u.x.pen.style!=PS_SOLID) && (dc->u.x.pen.style!=PS_INSIDEFRAME))
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{
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XSetDashes( display, dc->u.x.gc, 0,
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dc->u.x.pen.dashes, dc->u.x.pen.dash_len );
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val.line_style = (dc->w.backgroundMode == OPAQUE) ?
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LineDoubleDash : LineOnOffDash;
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}
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else val.line_style = LineSolid;
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val.line_width = dc->u.x.pen.width;
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val.cap_style = CapRound;
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val.join_style = JoinMiter;
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XChangeGC( display, dc->u.x.gc,
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GCFunction | GCForeground | GCBackground | GCLineWidth |
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GCLineStyle | GCCapStyle | GCJoinStyle | GCFillStyle, &val );
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return TRUE;
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}
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/***********************************************************************
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* DC_SetupGCForText
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*
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* Setup dc->u.x.gc for text drawing operations.
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* Return FALSE if the font is null, TRUE otherwise.
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*/
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BOOL32 DC_SetupGCForText( DC * dc )
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{
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XGCValues val;
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if (!dc->u.x.font.fstruct)
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{
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fprintf( stderr, "DC_SetupGCForText: fstruct is NULL. Please report this\n" );
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return FALSE;
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}
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if (dc->w.flags & DC_DIRTY) CLIPPING_UpdateGCRegion(dc);
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val.function = GXcopy; /* Text is always GXcopy */
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val.foreground = dc->w.textPixel;
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val.background = dc->w.backgroundPixel;
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val.fill_style = FillSolid;
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val.font = dc->u.x.font.fstruct->fid;
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XChangeGC( display, dc->u.x.gc,
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GCFunction | GCForeground | GCBackground | GCFillStyle |
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GCFont, &val );
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return TRUE;
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}
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/***********************************************************************
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* GetDCState (GDI.179)
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*/
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HDC GetDCState( HDC hdc )
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{
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DC * newdc, * dc;
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HGDIOBJ16 handle;
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if (!(dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ))) return 0;
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if (!(handle = GDI_AllocObject( sizeof(DC), DC_MAGIC ))) return 0;
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newdc = (DC *) GDI_HEAP_LIN_ADDR( handle );
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dprintf_dc(stddeb, "GetDCState(%04x): returning %04x\n", hdc, handle );
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memset( &newdc->u.x, 0, sizeof(newdc->u.x) );
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memcpy( &newdc->w, &dc->w, sizeof(dc->w) );
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memcpy( &newdc->u.x.pen, &dc->u.x.pen, sizeof(dc->u.x.pen) );
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newdc->hSelf = (HDC)handle;
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newdc->saveLevel = 0;
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newdc->w.flags |= DC_SAVED;
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newdc->w.hGCClipRgn = 0;
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newdc->w.hVisRgn = CreateRectRgn( 0, 0, 0, 0 );
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CombineRgn( newdc->w.hVisRgn, dc->w.hVisRgn, 0, RGN_COPY );
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if (dc->w.hClipRgn)
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{
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newdc->w.hClipRgn = CreateRectRgn( 0, 0, 0, 0 );
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CombineRgn( newdc->w.hClipRgn, dc->w.hClipRgn, 0, RGN_COPY );
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}
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return handle;
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}
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/***********************************************************************
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* SetDCState (GDI.180)
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*/
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void SetDCState( HDC hdc, HDC hdcs )
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{
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DC * dc, * dcs;
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HRGN32 hVisRgn, hClipRgn, hGCClipRgn;
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HFONT16 hfont;
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HBRUSH16 hbrush;
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if (!(dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ))) return;
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if (!(dcs = (DC *) GDI_GetObjPtr( hdcs, DC_MAGIC ))) return;
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if (!dcs->w.flags & DC_SAVED) return;
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dprintf_dc(stddeb, "SetDCState: %04x %04x\n", hdc, hdcs );
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/* Save the regions, font & brush before overwriting everything */
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hVisRgn = dc->w.hVisRgn;
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hClipRgn = dc->w.hClipRgn;
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hGCClipRgn = dc->w.hGCClipRgn;
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hfont = dc->w.hFont;
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hbrush = dc->w.hBrush;
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memcpy( &dc->w, &dcs->w, sizeof(dc->w) );
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memcpy( &dc->u.x.pen, &dcs->u.x.pen, sizeof(dc->u.x.pen) );
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dc->w.flags &= ~DC_SAVED;
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/* Restore the regions */
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dc->w.hVisRgn = hVisRgn;
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dc->w.hClipRgn = hClipRgn;
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dc->w.hGCClipRgn = hGCClipRgn;
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dc->w.hFont = hfont;
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dc->w.hBrush = hbrush;
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CombineRgn( dc->w.hVisRgn, dcs->w.hVisRgn, 0, RGN_COPY );
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SelectClipRgn( hdc, dcs->w.hClipRgn );
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SelectObject( hdc, dcs->w.hBrush );
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SelectObject( hdc, dcs->w.hFont );
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}
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/***********************************************************************
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* SaveDC (GDI.30)
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*/
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int SaveDC( HDC hdc )
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{
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HDC hdcs;
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DC * dc, * dcs;
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dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
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if (!dc)
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{
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dc = (DC *)GDI_GetObjPtr(hdc, METAFILE_DC_MAGIC);
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if (!dc) return 0;
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MF_MetaParam0(dc, META_SAVEDC);
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return 1; /* ?? */
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}
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if (!(hdcs = GetDCState( hdc ))) return 0;
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dcs = (DC *) GDI_HEAP_LIN_ADDR( hdcs );
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dcs->header.hNext = dc->header.hNext;
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dc->header.hNext = hdcs;
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dprintf_dc(stddeb, "SaveDC(%04x): returning %d\n", hdc, dc->saveLevel+1 );
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return ++dc->saveLevel;
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}
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/***********************************************************************
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* RestoreDC (GDI.39)
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*/
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BOOL RestoreDC( HDC hdc, short level )
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{
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DC * dc, * dcs;
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dprintf_dc(stddeb, "RestoreDC: %04x %d\n", hdc, level );
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dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
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if (!dc)
|
|
{
|
|
dc = (DC *)GDI_GetObjPtr(hdc, METAFILE_DC_MAGIC);
|
|
if (!dc) return FALSE;
|
|
if (level != -1) return FALSE;
|
|
MF_MetaParam1(dc, META_RESTOREDC, level);
|
|
return TRUE;
|
|
}
|
|
if (level == -1) level = dc->saveLevel;
|
|
if ((level < 1) || (level > (short)dc->saveLevel)) return FALSE;
|
|
|
|
while ((short)dc->saveLevel >= level)
|
|
{
|
|
HDC hdcs = dc->header.hNext;
|
|
if (!(dcs = (DC *) GDI_GetObjPtr( hdcs, DC_MAGIC ))) return FALSE;
|
|
dc->header.hNext = dcs->header.hNext;
|
|
if ((short)--dc->saveLevel < level) SetDCState( hdc, hdcs );
|
|
DeleteDC( hdcs );
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* CreateDC (GDI.53)
|
|
*/
|
|
HDC CreateDC( LPCSTR driver, LPCSTR device, LPCSTR output, const DEVMODE* initData )
|
|
{
|
|
DC * dc;
|
|
const DC_FUNCTIONS *funcs;
|
|
|
|
if (!(funcs = DRIVER_FindDriver( driver ))) return 0;
|
|
if (!(dc = DC_AllocDC( funcs ))) return 0;
|
|
dc->w.flags = 0;
|
|
|
|
dprintf_dc(stddeb, "CreateDC(%s %s %s): returning %04x\n",
|
|
driver, device, output, dc->hSelf );
|
|
|
|
if (dc->funcs->pCreateDC &&
|
|
!dc->funcs->pCreateDC( dc, driver, device, output, initData ))
|
|
{
|
|
dprintf_dc( stddeb, "CreateDC: creation aborted by device\n" );
|
|
GDI_HEAP_FREE( dc->hSelf );
|
|
return 0;
|
|
}
|
|
|
|
DC_InitDC( dc );
|
|
return dc->hSelf;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* CreateIC (GDI.153)
|
|
*/
|
|
HDC CreateIC( LPCSTR driver, LPCSTR device, LPCSTR output, const DEVMODE* initData )
|
|
{
|
|
/* Nothing special yet for ICs */
|
|
return CreateDC( driver, device, output, initData );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* CreateCompatibleDC (GDI.52)
|
|
*/
|
|
HDC CreateCompatibleDC( HDC hdc )
|
|
{
|
|
DC *dc, *origDC;
|
|
HBITMAP16 hbitmap;
|
|
const DC_FUNCTIONS *funcs;
|
|
|
|
if ((origDC = (DC *)GDI_GetObjPtr( hdc, DC_MAGIC ))) funcs = origDC->funcs;
|
|
else funcs = DRIVER_FindDriver( "DISPLAY" );
|
|
if (!funcs) return 0;
|
|
|
|
if (!(dc = DC_AllocDC( funcs ))) return 0;
|
|
|
|
dprintf_dc(stddeb, "CreateCompatibleDC(%04x): returning %04x\n",
|
|
hdc, dc->hSelf );
|
|
|
|
/* Create default bitmap */
|
|
if (!(hbitmap = CreateBitmap( 1, 1, 1, 1, NULL )))
|
|
{
|
|
GDI_HEAP_FREE( dc->hSelf );
|
|
return 0;
|
|
}
|
|
dc->w.flags = DC_MEMORY;
|
|
dc->w.bitsPerPixel = 1;
|
|
dc->w.hBitmap = hbitmap;
|
|
dc->w.hFirstBitmap = hbitmap;
|
|
|
|
if (dc->funcs->pCreateDC &&
|
|
!dc->funcs->pCreateDC( dc, NULL, NULL, NULL, NULL ))
|
|
{
|
|
dprintf_dc( stddeb, "CreateDC: creation aborted by device\n" );
|
|
DeleteObject( hbitmap );
|
|
GDI_HEAP_FREE( dc->hSelf );
|
|
return 0;
|
|
}
|
|
|
|
DC_InitDC( dc );
|
|
return dc->hSelf;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* DeleteDC (GDI.68)
|
|
*/
|
|
BOOL DeleteDC( HDC hdc )
|
|
{
|
|
DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
|
|
if (!dc) return FALSE;
|
|
|
|
dprintf_dc(stddeb, "DeleteDC: %04x\n", hdc );
|
|
|
|
while (dc->saveLevel)
|
|
{
|
|
DC * dcs;
|
|
HDC hdcs = dc->header.hNext;
|
|
if (!(dcs = (DC *) GDI_GetObjPtr( hdcs, DC_MAGIC ))) break;
|
|
dc->header.hNext = dcs->header.hNext;
|
|
dc->saveLevel--;
|
|
DeleteDC( hdcs );
|
|
}
|
|
|
|
if (!(dc->w.flags & DC_SAVED))
|
|
{
|
|
SelectObject( hdc, STOCK_BLACK_PEN );
|
|
SelectObject( hdc, STOCK_WHITE_BRUSH );
|
|
SelectObject( hdc, STOCK_SYSTEM_FONT );
|
|
if (dc->w.flags & DC_MEMORY) DeleteObject( dc->w.hFirstBitmap );
|
|
if (dc->funcs->pDeleteDC) dc->funcs->pDeleteDC(dc);
|
|
}
|
|
|
|
if (dc->w.hClipRgn) DeleteObject( dc->w.hClipRgn );
|
|
if (dc->w.hVisRgn) DeleteObject( dc->w.hVisRgn );
|
|
if (dc->w.hGCClipRgn) DeleteObject( dc->w.hGCClipRgn );
|
|
|
|
return GDI_FreeObject( hdc );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* ResetDC (GDI.376)
|
|
*/
|
|
HDC ResetDC( HDC hdc, /* DEVMODE */ void *devmode )
|
|
{
|
|
fprintf( stderr, "ResetDC: empty stub!\n" );
|
|
return hdc;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetDeviceCaps (GDI.80)
|
|
*/
|
|
int GetDeviceCaps( HDC hdc, WORD cap )
|
|
{
|
|
DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
|
|
if (!dc) return 0;
|
|
|
|
if (cap > sizeof(DeviceCaps)-sizeof(WORD)) return 0;
|
|
|
|
dprintf_dc(stddeb, "GetDeviceCaps(%04x,%d): returning %d\n",
|
|
hdc, cap, *(WORD *)(((char *)dc->w.devCaps) + cap) );
|
|
return *(WORD *)(((char *)dc->w.devCaps) + cap);
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* SetBkColor (GDI.1) (GDI32.305)
|
|
*/
|
|
COLORREF SetBkColor( HDC32 hdc, COLORREF color )
|
|
{
|
|
COLORREF oldColor;
|
|
DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
|
|
if (!dc)
|
|
{
|
|
dc = (DC *)GDI_GetObjPtr(hdc, METAFILE_DC_MAGIC);
|
|
if (!dc) return 0x80000000;
|
|
MF_MetaParam2(dc, META_SETBKCOLOR, HIWORD(color), LOWORD(color));
|
|
return 0; /* ?? */
|
|
}
|
|
|
|
oldColor = dc->w.backgroundColor;
|
|
dc->w.backgroundColor = color;
|
|
dc->w.backgroundPixel = COLOR_ToPhysical( dc, color );
|
|
return oldColor;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* SetTextColor (GDI.9) (GDI32.338)
|
|
*/
|
|
COLORREF SetTextColor( HDC32 hdc, COLORREF color )
|
|
{
|
|
COLORREF oldColor;
|
|
DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
|
|
if (!dc)
|
|
{
|
|
dc = (DC *)GDI_GetObjPtr(hdc, METAFILE_DC_MAGIC);
|
|
if (!dc) return 0x80000000;
|
|
MF_MetaParam2(dc, META_SETTEXTCOLOR, HIWORD(color), LOWORD(color));
|
|
return 0; /* ?? */
|
|
}
|
|
|
|
oldColor = dc->w.textColor;
|
|
dc->w.textColor = color;
|
|
dc->w.textPixel = COLOR_ToPhysical( dc, color );
|
|
return oldColor;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* SetTextAlign (GDI.346)
|
|
*/
|
|
WORD SetTextAlign( HDC hdc, WORD textAlign )
|
|
{
|
|
WORD prevAlign;
|
|
DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
|
|
if (!dc)
|
|
{
|
|
if (!(dc = (DC *)GDI_GetObjPtr( hdc, METAFILE_DC_MAGIC ))) return 0;
|
|
MF_MetaParam1( dc, META_SETTEXTALIGN, textAlign );
|
|
return 1;
|
|
}
|
|
prevAlign = dc->w.textAlign;
|
|
dc->w.textAlign = textAlign;
|
|
return prevAlign;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetDCOrg (GDI.79)
|
|
*/
|
|
DWORD GetDCOrg( HDC hdc )
|
|
{
|
|
Window root;
|
|
int x, y, w, h, border, depth;
|
|
|
|
DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
|
|
if (!dc) return 0;
|
|
if (dc->w.flags & DC_MEMORY) return 0;
|
|
XGetGeometry( display, dc->u.x.drawable, &root,
|
|
&x, &y, &w, &h, &border, &depth );
|
|
return MAKELONG( dc->w.DCOrgX + (WORD)x, dc->w.DCOrgY + (WORD)y );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* SetDCOrg (GDI.117)
|
|
*/
|
|
DWORD SetDCOrg( HDC hdc, short x, short y )
|
|
{
|
|
DWORD prevOrg;
|
|
DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
|
|
if (!dc) return 0;
|
|
prevOrg = dc->w.DCOrgX | (dc->w.DCOrgY << 16);
|
|
dc->w.DCOrgX = x;
|
|
dc->w.DCOrgY = y;
|
|
return prevOrg;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* SetDCHook (GDI.190)
|
|
*/
|
|
BOOL16 SetDCHook( HDC16 hdc, FARPROC16 hookProc, DWORD dwHookData )
|
|
{
|
|
DC *dc = (DC *)GDI_GetObjPtr( hdc, DC_MAGIC );
|
|
|
|
dprintf_dc( stddeb, "SetDCHook: hookProc %08x, default is %08x\n",
|
|
(UINT32)hookProc, (UINT32)DCHook );
|
|
|
|
if (!dc) return FALSE;
|
|
dc->hookProc = hookProc;
|
|
dc->dwHookData = dwHookData;
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetDCHook (GDI.191)
|
|
*/
|
|
DWORD GetDCHook( HDC16 hdc, FARPROC16 *phookProc )
|
|
{
|
|
DC *dc = (DC *)GDI_GetObjPtr( hdc, DC_MAGIC );
|
|
if (!dc) return 0;
|
|
*phookProc = dc->hookProc;
|
|
return dc->dwHookData;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* SetHookFlags (GDI.192)
|
|
*/
|
|
WORD SetHookFlags(HDC hDC, WORD flags)
|
|
{
|
|
DC* dc = (DC*)GDI_GetObjPtr( hDC, DC_MAGIC );
|
|
|
|
if( dc )
|
|
{
|
|
WORD wRet = dc->w.flags & DC_DIRTY;
|
|
|
|
/* "Undocumented Windows" info is slightly
|
|
* confusing
|
|
*/
|
|
|
|
dprintf_dc(stddeb,"SetHookFlags: hDC %04x, flags %04x\n",hDC,flags);
|
|
|
|
if( flags & DCHF_INVALIDATEVISRGN )
|
|
dc->w.flags |= DC_DIRTY;
|
|
else if( flags & DCHF_VALIDATEVISRGN || !flags )
|
|
dc->w.flags &= ~DC_DIRTY;
|
|
return wRet;
|
|
}
|
|
return 0;
|
|
}
|
|
|