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-rw-r--r--hw/xnest/GC.c345
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diff --git a/hw/xnest/GC.c b/hw/xnest/GC.c
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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;
+ }
+}