R6.6 is the Xorg base-lineXORG-MAIN

1 files changed, 345 insertions, 0 deletions

diff --git a/hw/xnest/GC.c b/hw/xnest/GC.c
new file mode 100644
index 000000000..3e16c95c2
--- /dev/null
+++ b/hw/xnest/GC.c
@@ -0,0 +1,345 @@
+/* $Xorg: GC.c,v 1.3 2000/08/17 19:53:28 cpqbld Exp $ */
+/*
+
+Copyright 1993 by Davor Matic
+
+Permission to use, copy, modify, distribute, and sell this software
+and its documentation for any purpose is hereby granted without fee,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation.  Davor Matic makes no representations about
+the suitability of this software for any purpose.  It is provided "as
+is" without express or implied warranty.
+
+*/
+#include "X.h"
+#include "Xproto.h"
+#include "gcstruct.h"
+#include "windowstr.h"
+#include "pixmapstr.h"
+#include "scrnintstr.h"
+#include "fontstruct.h"
+#include "mistruct.h"
+#include "region.h"
+
+#include "Xnest.h"
+
+#include "Display.h"
+#include "XNGC.h" 
+#include "GCOps.h"
+#include "Drawable.h"
+#include "XNFont.h"
+#include "Color.h"
+
+int xnestGCPrivateIndex;
+
+static GCFuncs xnestFuncs = {
+  xnestValidateGC,
+  xnestChangeGC,
+  xnestCopyGC,
+  xnestDestroyGC,
+  xnestChangeClip,
+  xnestDestroyClip,
+  xnestCopyClip,
+};
+
+static GCOps xnestOps = {
+  xnestFillSpans,
+  xnestSetSpans,
+  xnestPutImage,
+  xnestCopyArea, 
+  xnestCopyPlane,
+  xnestPolyPoint,
+  xnestPolylines,
+  xnestPolySegment,
+  xnestPolyRectangle,
+  xnestPolyArc,
+  xnestFillPolygon,
+  xnestPolyFillRect,
+  xnestPolyFillArc,
+  xnestPolyText8, 
+  xnestPolyText16,
+  xnestImageText8,
+  xnestImageText16,
+  xnestImageGlyphBlt,
+  xnestPolyGlyphBlt,
+  xnestPushPixels
+};
+
+Bool xnestCreateGC(pGC)
+     GCPtr pGC;
+{
+  pGC->clientClipType = CT_NONE;
+  pGC->clientClip = NULL;
+  
+  pGC->funcs = &xnestFuncs;
+  pGC->ops = &xnestOps;
+  
+  pGC->miTranslate = 1;
+   
+  xnestGCPriv(pGC)->gc = XCreateGC(xnestDisplay, 
+				   xnestDefaultDrawables[pGC->depth], 
+				   0L, NULL);
+  xnestGCPriv(pGC)->nClipRects = 0;
+
+  return True;
+}
+
+void xnestValidateGC(pGC, changes, pDrawable)
+     GCPtr pGC;
+     unsigned long changes;
+     DrawablePtr pDrawable;
+{
+  pGC->lastWinOrg.x = pDrawable->x;
+  pGC->lastWinOrg.y = pDrawable->y;
+}
+
+void xnestChangeGC(pGC, mask)
+     GC *pGC;
+     unsigned long mask;
+{
+  XGCValues values;
+  
+  if (mask & GCFunction)
+    values.function = pGC->alu;
+  
+  if (mask & GCPlaneMask)
+    values.plane_mask = pGC->planemask;
+  
+  if (mask & GCForeground)
+    values.foreground = xnestPixel(pGC->fgPixel);
+  
+  if (mask & GCBackground)
+    values.background = xnestPixel(pGC->bgPixel);
+
+  if (mask & GCLineWidth)
+    values.line_width = pGC->lineWidth;
+    
+  if (mask & GCLineStyle)
+    values.line_style = pGC->lineStyle;
+
+  if (mask & GCCapStyle)
+    values.cap_style = pGC->capStyle;
+
+  if (mask & GCJoinStyle)
+    values.join_style = pGC->joinStyle;
+
+  if (mask & GCFillStyle)
+    values.fill_style = pGC->fillStyle;
+
+  if (mask & GCFillRule)
+    values.fill_rule = pGC->fillRule;
+  
+  if (mask & GCTile)
+    if (pGC->tileIsPixel)
+      mask &= ~GCTile;
+    else
+      values.tile = xnestPixmap(pGC->tile.pixmap);
+
+  if (mask & GCStipple)
+    values.stipple = xnestPixmap(pGC->stipple);
+
+  if (mask & GCTileStipXOrigin)
+    values.ts_x_origin = pGC->patOrg.x;
+
+  if (mask & GCTileStipYOrigin)
+    values.ts_y_origin = pGC->patOrg.y;
+
+  if (mask & GCFont)
+    values.font = xnestFont(pGC->font);
+
+  if (mask & GCSubwindowMode)
+    values.subwindow_mode = pGC->subWindowMode;
+
+  if (mask & GCGraphicsExposures)
+    values.graphics_exposures = pGC->graphicsExposures;
+
+  if (mask & GCClipXOrigin)
+    values.clip_x_origin = pGC->clipOrg.x;
+
+  if (mask & GCClipYOrigin)
+    values.clip_y_origin = pGC->clipOrg.y;
+
+  if (mask & GCClipMask) /* this is handled in change clip */
+    mask &= ~GCClipMask;
+
+  if (mask & GCDashOffset)
+    values.dash_offset = pGC->dashOffset;
+
+  if (mask & GCDashList) {
+    mask &= ~GCDashList;
+    XSetDashes(xnestDisplay, xnestGC(pGC), 
+	       pGC->dashOffset, (char *)pGC->dash, pGC->numInDashList);
+  }
+
+  if (mask & GCArcMode)
+    values.arc_mode = pGC->arcMode;
+
+  if (mask)
+    XChangeGC(xnestDisplay, xnestGC(pGC), mask, &values);
+}
+
+void xnestCopyGC(pGCSrc, mask, pGCDst)
+     GCPtr pGCSrc;
+     unsigned long mask;
+     GCPtr pGCDst;
+{
+  XCopyGC(xnestDisplay, xnestGC(pGCSrc), mask, xnestGC(pGCDst));
+}
+
+void xnestDestroyGC(pGC)
+     GC *pGC;
+{
+  XFreeGC(xnestDisplay, xnestGC(pGC));
+}
+
+void xnestChangeClip(pGC, type, pValue, nRects)
+     GCPtr pGC;
+     int type;
+     pointer pValue;
+     int nRects;
+{
+  int i, size;
+  BoxPtr pBox;
+  XRectangle *pRects;
+
+  xnestDestroyClipHelper(pGC);
+
+  switch(type) 
+    {
+    case CT_NONE:
+      XSetClipMask(xnestDisplay, xnestGC(pGC), None);
+      break;
+      
+    case CT_REGION:
+      nRects = REGION_NUM_RECTS((RegionPtr)pValue);
+      size = nRects * sizeof(*pRects);
+      pRects = (XRectangle *) xalloc(size);
+      pBox = REGION_RECTS((RegionPtr)pValue);
+      for (i = nRects; i-- > 0; ) {
+	pRects[i].x = pBox[i].x1;
+	pRects[i].y = pBox[i].y1;
+	pRects[i].width = pBox[i].x2 - pBox[i].x1;
+	pRects[i].height = pBox[i].y2 - pBox[i].y1;
+      }
+      XSetClipRectangles(xnestDisplay, xnestGC(pGC), 0, 0,
+			 pRects, nRects, Unsorted);
+      xfree((char *) pRects);
+      break;
+
+    case CT_PIXMAP:
+      XSetClipMask(xnestDisplay, xnestGC(pGC), 
+		   xnestPixmap((PixmapPtr)pValue));
+      /*
+       * Need to change into region, so subsequent uses are with
+       * current pixmap contents.
+       */
+      pGC->clientClip = (pointer) (*pGC->pScreen->BitmapToRegion)((PixmapPtr)pValue);
+      (*pGC->pScreen->DestroyPixmap)((PixmapPtr)pValue);
+      pValue = pGC->clientClip;
+      type = CT_REGION;
+      break;
+
+    case CT_UNSORTED:
+      XSetClipRectangles(xnestDisplay, xnestGC(pGC), 
+			 pGC->clipOrg.x, pGC->clipOrg.y,
+			 (XRectangle *)pValue, nRects, Unsorted);
+      break;
+
+    case CT_YSORTED:
+      XSetClipRectangles(xnestDisplay, xnestGC(pGC), 
+			 pGC->clipOrg.x, pGC->clipOrg.y,
+			 (XRectangle *)pValue, nRects, YSorted);
+      break;
+
+    case CT_YXSORTED:
+      XSetClipRectangles(xnestDisplay, xnestGC(pGC), 
+			 pGC->clipOrg.x, pGC->clipOrg.y,
+			 (XRectangle *)pValue, nRects, YXSorted);
+      break;
+
+    case CT_YXBANDED:
+      XSetClipRectangles(xnestDisplay, xnestGC(pGC), 
+			 pGC->clipOrg.x, pGC->clipOrg.y,
+			 (XRectangle *)pValue, nRects, YXBanded);
+      break;
+    }
+
+  switch(type) 
+    {
+    default:
+      break;
+
+    case CT_UNSORTED:
+    case CT_YSORTED:
+    case CT_YXSORTED:
+    case CT_YXBANDED:
+      
+      /*
+       * other parts of server can only deal with CT_NONE,
+       * CT_PIXMAP and CT_REGION client clips.
+       */
+      pGC->clientClip = (pointer) (*pGC->pScreen->RectsToRegion)(nRects,
+						    (xRectangle *)pValue,
+						    type);
+      xfree(pValue);
+      pValue = pGC->clientClip;
+      type = CT_REGION;
+
+      break;
+    }
+
+  pGC->clientClipType = type;
+  pGC->clientClip = pValue;
+  xnestGCPriv(pGC)->nClipRects = nRects;
+}
+
+void xnestDestroyClip(pGC)
+     GCPtr pGC;
+{
+  xnestDestroyClipHelper(pGC);
+
+  XSetClipMask(xnestDisplay, xnestGC(pGC), None);
+ 
+  pGC->clientClipType = CT_NONE;
+  pGC->clientClip = NULL;
+  xnestGCPriv(pGC)->nClipRects = 0;
+}
+
+void xnestDestroyClipHelper(pGC)
+     GCPtr pGC;
+{
+  switch (pGC->clientClipType)
+    {
+    default:
+    case CT_NONE:
+      break;
+      
+    case CT_REGION:
+      REGION_DESTROY(pGC->pScreen, pGC->clientClip); 
+      break;
+    }
+}
+
+void xnestCopyClip(pGCDst, pGCSrc)
+     GCPtr pGCSrc;
+     GCPtr pGCDst;
+{
+  RegionPtr pRgn;
+  int nRects, size;
+  xRectangle *pRects;
+
+  switch (pGCSrc->clientClipType)
+    {
+    default:
+    case CT_NONE:
+      xnestDestroyClip(pGCDst);
+      break;
+
+    case CT_REGION:
+      pRgn = REGION_CREATE(pGCDst->pScreen, NULL, 1);
+      REGION_COPY(pGCDst->pScreen, pRgn, pGCSrc->clientClip);
+      xnestChangeClip(pGCDst, CT_REGION, pRgn, 0);
+      break;
+    }
+}