Esempio n. 1
0
/*
 * Prepare to do drawing in a window or pixmap using the specified
 * graphics context.  Returns the drawable pointer if successful,
 * and the type of drawing id that was supplied.  Returns the special value
 * GR_DRAW_TYPE_NONE if an error is generated, or if drawing is useless.
 */
GR_DRAW_TYPE GsPrepareDrawing(GR_DRAW_ID id, GR_GC_ID gcid, GR_DRAWABLE **retdp)
{
	GR_WINDOW	*wp;		/* found window */
        GR_PIXMAP       *pp;            /* found pixmap */
	GR_GC		*gcp;		/* found graphics context */
	GR_FONT		*fontp;
	GR_REGION	*regionp;	/* user clipping region */
	MWCLIPREGION	*reg;
	PMWFONT		pf;

	*retdp = NULL;

	gcp = GsFindGC(gcid);
	if (gcp == NULL)
		return GR_DRAW_TYPE_NONE;

	/*
	 * If the graphics context is not the current one, then
	 * make it the current one and remember to update it.
	 */
	if (gcp != curgcp) {
		curgcp = gcp;
		gcp->changed = GR_TRUE;
	}

	/*
	 * Look for window or pixmap id
	 */
        pp = NULL;
	wp = GsFindWindow(id);
	if (wp == NULL) {
	        pp = GsFindPixmap(id);
	        if (pp == NULL)
		          return GR_DRAW_TYPE_NONE;
	   
#if DYNAMICREGIONS
		reg = GdAllocRectRegion(0, 0, pp->psd->xvirtres,
			pp->psd->yvirtres);
		/* intersect with user region if any*/
		if (gcp->regionid) {
			regionp = GsFindRegion(gcp->regionid);
			if (regionp)
				GdIntersectRegion(reg, reg, regionp->rgn);
		}
		GdSetClipRegion(pp->psd, reg);
#else
		{
		MWCLIPRECT	cliprect;
		/* FIXME: setup pixmap clipping, different from windows*/
	        cliprect.x = 0;
	        cliprect.y = 0;
	        cliprect.width = pp->psd->xvirtres;
	        cliprect.height = pp->psd->yvirtres;
	        GdSetClipRects(pp->psd, 1, &cliprect);
		}
#endif
		/* reset clip cache for next window draw*/
		clipwp = NULL;
	} else {
   
	        if (!wp->output) {
		          GsError(GR_ERROR_INPUT_ONLY_WINDOW, id);
		          return GR_DRAW_TYPE_NONE;
		}

	        if (wp->unmapcount)
		          return GR_DRAW_TYPE_NONE;
	   
	        /*
		 * If the window is not the currently clipped one,
		 * then make it the current one and define its clip rectangles.
		 */
	        if (wp != clipwp || gcp->changed) {
			/* find user region for intersect*/
			if (gcp->regionid)
				regionp = GsFindRegion(gcp->regionid);
			else regionp = NULL;

			/*
			 * Special handling if user region is not at offset 0,0
			 */
			if (regionp && (gcp->xoff || gcp->yoff)) {
				MWCLIPREGION *local = GdAllocRegion();

				GdCopyRegion(local, regionp->rgn);
				GdOffsetRegion(local, gcp->xoff, gcp->yoff);

				GsSetClipWindow(wp, local,  
					gcp->mode & ~GR_MODE_DRAWMASK);

				GdDestroyRegion(local);
			  } else {
				GsSetClipWindow(wp, regionp? regionp->rgn: NULL,
					gcp->mode & ~GR_MODE_DRAWMASK);
			  }
		}
	}

	/*
	 * If the graphics context has been changed, then tell the
	 * device driver about it.
	 */
	if (gcp->changed) {
		GdSetForeground(GdFindColor(gcp->foreground));
		GdSetBackground(GdFindColor(gcp->background));
		GdSetMode(gcp->mode & GR_MODE_DRAWMASK);
		GdSetUseBackground(gcp->usebackground);
		fontp = GsFindFont(gcp->fontid);
		pf = fontp? fontp->pfont: stdfont;
		GdSetFont(pf);
		gcp->changed = GR_FALSE;
	}

	*retdp = wp? (GR_DRAWABLE *)wp: (GR_DRAWABLE *)pp;
	return wp? GR_DRAW_TYPE_WINDOW: GR_DRAW_TYPE_PIXMAP;
}
Esempio n. 2
0
/*
 * Prepare to do drawing in a window or pixmap using the specified
 * graphics context.  Returns the drawable pointer if successful,
 * and the type of drawing id that was supplied.  Returns the special value
 * GR_DRAW_TYPE_NONE if an error is generated, or if drawing is useless.
 */
GR_DRAW_TYPE
GsPrepareDrawing(GR_DRAW_ID id, GR_GC_ID gcid, GR_DRAWABLE **retdp)
{
	GR_WINDOW	*wp;		/* found window */
	GR_PIXMAP	*pp;		/* found pixmap */
	GR_GC		*gcp;		/* found graphics context */
	GR_REGION	*regionp;	/* user clipping region */
	MWCLIPREGION*reg;

	*retdp = NULL;

	gcp = GsFindGC(gcid);
	if (gcp == NULL)
		return GR_DRAW_TYPE_NONE;

	/*
	 * If the graphics context is not the current one, then
	 * make it the current one and remember to update it.
	 */
	if (gcp != curgcp) {
		curgcp = gcp;
		gcp->changed = GR_TRUE;
	}

	/*
	 * Look for window or pixmap id
	 */
	pp = NULL;
	wp = GsFindWindow(id);
	if (wp == NULL) {
		pp = GsFindPixmap(id);
		if (pp == NULL)
				return GR_DRAW_TYPE_NONE;
havepixmap:
#if DYNAMICREGIONS
		reg = GdAllocRectRegion(0, 0, pp->psd->xvirtres, pp->psd->yvirtres);
		/* intersect with user region if any*/
		if (gcp->regionid) {
			regionp = GsFindRegion(gcp->regionid);
			if (regionp) {
				/* handle pixmap offsets*/
				if (gcp->xoff || gcp->yoff) {
					MWCLIPREGION *local = GdAllocRegion();

					GdCopyRegion(local, regionp->rgn);
					GdOffsetRegion(local, gcp->xoff, gcp->yoff);
					GdIntersectRegion(reg, reg, local);
					GdDestroyRegion(local);
				} else
					GdIntersectRegion(reg, reg, regionp->rgn);
			}
		}
		GdSetClipRegion(pp->psd, reg);
#else
		{
			MWCLIPRECT	cliprect;
			/* FIXME: setup pixmap clipping, different from windows*/
	        cliprect.x = 0;
	        cliprect.y = 0;
	        cliprect.width = pp->psd->xvirtres;
	        cliprect.height = pp->psd->yvirtres;
	        GdSetClipRects(pp->psd, 1, &cliprect);
		}
#endif
		/* reset clip cache for next window draw*/
		clipwp = NULL;
	} else {
		if (!wp->output) {
				GsError(GR_ERROR_INPUT_ONLY_WINDOW, id);
				return GR_DRAW_TYPE_NONE;
		}

		/* check if buffered window*/
		if (wp->props & GR_WM_PROPS_BUFFERED) {
			pp = wp->buffer;
			wp = NULL;
			goto havepixmap;		/* draw into pixmap buffer*/
		}

		if (!wp->realized)
				return GR_DRAW_TYPE_NONE;

		/*
		 * If the window is not the currently clipped one,
		 * then make it the current one and define its clip rectangles.
		 */
		if (wp != clipwp || gcp->changed) {
#if DYNAMICREGIONS
			/* find user region for intersect*/
			regionp = gcp->regionid? GsFindRegion(gcp->regionid): NULL;

		 	/* Special handling if user region is not at offset 0,0*/
			if (regionp && (gcp->xoff || gcp->yoff)) {
				MWCLIPREGION *local = GdAllocRegion();

				GdCopyRegion(local, regionp->rgn);
				GdOffsetRegion(local, gcp->xoff, gcp->yoff);

				GsSetClipWindow(wp, local, gcp->mode & ~GR_MODE_DRAWMASK);
				GdDestroyRegion(local);
			} else
				GsSetClipWindow(wp, regionp? regionp->rgn: NULL, gcp->mode & ~GR_MODE_DRAWMASK);
#else
				GsSetClipWindow(wp, NULL, gcp->mode & ~GR_MODE_DRAWMASK);
#endif /* DYNAMICREGIONS*/
		}
	}

	/*
	 * If the graphics context has been changed, then tell the
	 * device driver about it.
	 */
	if (gcp->changed) {
		PSD			psd = (wp ? wp->psd : pp->psd);
		uint32_t	mask;
		int			count;

		if (gcp->linestyle == GR_LINE_SOLID) {
			mask = 0;
			count = 0;
		} else {
			mask = gcp->dashmask;
			count = gcp->dashcount;
		}

		if (gcp->fgispixelval)
			GdSetForegroundPixelVal(psd, gcp->foreground);
		else
			GdSetForegroundColor(psd, gcp->foreground);

		if (gcp->bgispixelval)
			GdSetBackgroundPixelVal(psd, gcp->background);
		else
			GdSetBackgroundColor(psd, gcp->background);

		GdSetMode(gcp->mode & GR_MODE_DRAWMASK);
		GdSetUseBackground(gcp->usebackground);
		
#if MW_FEATURE_SHAPES
		GdSetDash(&mask, &count);
		GdSetFillMode(gcp->fillmode);
		GdSetTSOffset(gcp->ts_offset.x, gcp->ts_offset.y);

		switch(gcp->fillmode) {
		case GR_FILL_STIPPLE:
		case GR_FILL_OPAQUE_STIPPLE:
			GdSetStippleBitmap(gcp->stipple.bitmap, gcp->stipple.width, gcp->stipple.height);
			break;
		case GR_FILL_TILE:
			GdSetTilePixmap(gcp->tile.psd, gcp->tile.width, gcp->tile.height);
			break;
		}
#endif
		gcp->changed = GR_FALSE;
	}

	*retdp = wp? (GR_DRAWABLE *)wp: (GR_DRAWABLE *)pp;
	return wp? GR_DRAW_TYPE_WINDOW: GR_DRAW_TYPE_PIXMAP;
}
Esempio n. 3
0
/* internal version of ExtTextOut, passed flags for text data type*/
static BOOL
MwExtTextOut(HDC hdc, int x, int y, UINT fuOptions, CONST RECT *lprc,
	LPCVOID lpszString, UINT cbCount, CONST INT *lpDx, int flags)
{
	HWND	hwnd;
	POINT	pt;
	RECT	rc;

	hwnd = MwPrepareDC(hdc);
	if(!hwnd)
		return FALSE;

	pt.x = x;
	pt.y = y;
	if(MwIsClientDC(hdc))
		ClientToScreen(hwnd, &pt);

	/* optionally fill passed rectangle*/
	if(lprc && (fuOptions&ETO_OPAQUE)) {
		rc = *lprc;
		if(MwIsClientDC(hdc))
			MapWindowPoints(hwnd, NULL, (LPPOINT)&rc, 2);

		/* fill rectangle with current background color*/
		GdSetForegroundColor(hdc->psd, hdc->bkcolor);
		GdFillRect(hdc->psd, rc.left, rc.top, rc.right - rc.left,
			rc.bottom - rc.top);
		GdSetUseBackground(FALSE);
	} else {
		/* use current background mode for text background draw*/
		GdSetUseBackground(hdc->bkmode == OPAQUE? TRUE: FALSE);
		/* always set background color in case GdArea is
		 * used to draw, which compares gr_foreground != gr_background
		 * if gr_usebg is false...
		 */
		/*if(hdc->bkmode == OPAQUE)*/
			GdSetBackgroundColor(hdc->psd, hdc->bkcolor);
	}

	if (cbCount == 0) {
		/* Special case - no text.  Used to fill rectangle. */
		return TRUE;
	}

	/* nyi: lpDx*/

	/* draw text in current text foreground and background color*/
	GdSetForegroundColor(hdc->psd, hdc->textcolor);
	//GdSetFont(hdc->font->pfont);

	/* this whole text alignment thing needs rewriting*/
	if((hdc->textalign & TA_BASELINE) == TA_BASELINE) {
		 /* this is not right... changed for kaffe port
		flags |= MWTF_TOP;
		 */
		flags |= MWTF_BASELINE;
	} else if(hdc->textalign & TA_BOTTOM) {
		MWCOORD	ph, pw, pb;

		if(lprc)
			pt.y += lprc->bottom - lprc->top;
		else {
			GdGetTextSize(hdc->font->pfont, lpszString, cbCount, &pw, &ph, &pb, flags);
			pt.y += ph;
		}
		flags |= MWTF_BOTTOM;
	} else
		flags |= MWTF_TOP;

	if((hdc->textalign & TA_CENTER) == TA_CENTER) {
		MWCOORD     ph, pw, pb;

		GdGetTextSize(hdc->font->pfont, lpszString, cbCount, &pw, &ph, &pb, flags);
		pt.x -= pw/2;
	} else if(hdc->textalign & TA_RIGHT) {
		MWCOORD     ph, pw, pb;

		GdGetTextSize(hdc->font->pfont, lpszString, cbCount, &pw, &ph, &pb, flags);
		pt.x -= pw;
	}
	GdText(hdc->psd, hdc->font->pfont, pt.x, pt.y, lpszString, cbCount, flags);

	return TRUE;
}
Esempio n. 4
0
/*
 * Open low level graphics driver
 */
PSD
GdOpenScreen(void)
{
	PSD			psd;
	MWPALENTRY *		stdpal;
	MWSCREENINFO		sinfo;	    

	psd = scrdev.Open(&scrdev);
	if (!psd)
		return NULL;
	GdGetScreenInfo(psd, &sinfo);
	gr_pixtype = sinfo.pixtype;
	gr_ncolors = sinfo.ncolors;

	/* assume no user changable palette entries*/
	gr_firstuserpalentry = (int)psd->ncolors;

	/* set palette according to system colors and devpalX.c*/
	switch((int)psd->ncolors) {

#if !defined(NOSTDPAL1) /* don't require stdpal1 if not needed */
	case 2:		/* 1bpp*/
	{
		extern MWPALENTRY	mwstdpal1[2];
		stdpal = mwstdpal1;
	}
	break;
#endif

#if !defined(NOSTDPAL2) /* don't require stdpal2 if not needed */
	case 4:		/* 2bpp*/
	{
		extern MWPALENTRY	mwstdpal2[4];
		stdpal = mwstdpal2;
	}
	break;
#endif

#if !defined(NOSTDPAL4)
	/* don't require stdpal4 if not needed */
	case 8:		/* 3bpp - not fully supported*/
	case 16:	/* 4bpp*/
	{
		extern MWPALENTRY	mwstdpal4[16];
		stdpal = mwstdpal4;
	}
	break;
#endif

#if !defined(NOSTDPAL8) /* don't require large stdpal8 if not needed */
	case 256:	/* 8bpp*/
	{
		extern MWPALENTRY	mwstdpal8[256];
#if xxxALPHABLEND
		/* don't change uniform palette if alpha blending*/
		gr_firstuserpalentry = 256;
#else
		/* start after last system-reserved color*/
		gr_firstuserpalentry = FIRSTUSERPALENTRY;
#endif
		stdpal = mwstdpal8;
	} 
	break;
#endif	/* !defined(NOSTDPAL8)*/

	default:	/* truecolor*/
		/* no palette*/
		gr_firstuserpalentry = 0;
		stdpal = NULL;
	}

	/* reset next user palette entry, write hardware palette*/
	GdResetPalette();
	GdSetPalette(psd, 0, (int)psd->ncolors, stdpal);
#if xxxALPHABLEND
	/* one-time create alpha lookup table for 8bpp systems (takes ~1 sec)*/
	if(psd->ncolors == 256)
		init_alpha_lookup();
#endif

#if !NOFONTSORCLIPPING
	/* init local vars*/
	GdSetMode(MWMODE_COPY);
	GdSetForeground(GdFindColor(MWRGB(255, 255, 255)));	/* WHITE*/
	GdSetBackground(GdFindColor(MWRGB(0, 0, 0)));		/* BLACK*/
	GdSetUseBackground(TRUE);
	GdSetFont(GdCreateFont(psd, MWFONT_SYSTEM_VAR, 0, NULL));
#if DYNAMICREGIONS
	GdSetClipRegion(psd, 
		GdAllocRectRegion(0, 0, psd->xvirtres, psd->yvirtres));
#else
	GdSetClipRects(psd, 0, NULL);
#endif /* DYNAMICREGIONS*/
#endif /* NOFONTSORCLIPPING*/

	/* fill black (actually fill to first palette entry or truecolor 0*/
	psd->FillRect(psd, 0, 0, psd->xvirtres-1, psd->yvirtres-1, 0);
	return psd;
}
Esempio n. 5
0
/**
 * Open low level graphics driver.
 *
 * @return The screen drawing surface.
 */
PSD
GdOpenScreen(void)
{
	PSD			psd;
	MWPALENTRY *		stdpal;

	psd = scrdev.Open(&scrdev);
	if (!psd)
		return NULL;

	/* assume no user changable palette entries*/
	gr_firstuserpalentry = (int)psd->ncolors;

	/* set palette according to system colors and devpalX.c*/
	switch((int)psd->ncolors) {

#if !defined(NOSTDPAL1) /* don't require stdpal1 if not needed */
	case 2:		/* 1bpp*/
	{
		extern MWPALENTRY	mwstdpal1[2];
		stdpal = mwstdpal1;
	}
	break;
#endif

#if !defined(NOSTDPAL2) /* don't require stdpal2 if not needed */
	case 4:		/* 2bpp*/
	{
		extern MWPALENTRY	mwstdpal2[4];
		stdpal = mwstdpal2;
	}
	break;
#endif

#if !defined(NOSTDPAL4)
	/* don't require stdpal4 if not needed */
	case 8:		/* 3bpp - not fully supported*/
	case 16:	/* 4bpp*/
	{
		extern MWPALENTRY	mwstdpal4[16];
		stdpal = mwstdpal4;
	}
	break;
#endif

#if !defined(NOSTDPAL8) /* don't require large stdpal8 if not needed */
	case 256:	/* 8bpp*/
	{
		extern MWPALENTRY	mwstdpal8[256];
#if UNIFORMPALETTE
		/* don't change uniform palette if alpha blending*/
		gr_firstuserpalentry = 256;
#else
		/* start after last system-reserved color*/
		gr_firstuserpalentry = FIRSTUSERPALENTRY;
#endif
		stdpal = mwstdpal8;
	} 
	break;
#endif	/* !defined(NOSTDPAL8)*/

	default:	/* truecolor*/
		/* no palette*/
		gr_firstuserpalentry = 0;
		stdpal = NULL;
	}

	/* reset next user palette entry, write hardware palette*/
	GdResetPalette();
	GdSetPalette(psd, 0, (int)psd->ncolors, stdpal);

	/* init local vars*/
	GdSetMode(MWROP_COPY);
	GdSetFillMode(MWFILL_SOLID);  /* Set the fill mode to solid */

	GdSetForegroundColor(psd, MWRGB(255, 255, 255));	/* WHITE*/
	GdSetBackgroundColor(psd, MWRGB(0, 0, 0));		/* BLACK*/
	GdSetUseBackground(TRUE);
	/* select first builtin font (usually MWFONT_SYSTEM_VAR)*/
	//GdSetFont(GdCreateFont(psd, NULL, 0, 0, NULL));

	GdSetDash(0, 0);  /* No dashing to start */
	GdSetStippleBitmap(0,0,0);  /* No stipple to start */

#if !NOCLIPPING
#if DYNAMICREGIONS
	GdSetClipRegion(psd, GdAllocRectRegion(0, 0, psd->xvirtres, psd->yvirtres));
#else
	GdSetClipRects(psd, 0, NULL);
#endif /* DYNAMICREGIONS*/
#endif /* NOCLIPPING*/

	/* fill black (actually fill to first palette entry or truecolor 0*/
	psd->FillRect(psd, 0, 0, psd->xvirtres-1, psd->yvirtres-1, 0);
	return psd;
}