diff options
Diffstat (limited to 'hw/xnest/GC.c')
| -rw-r--r-- | hw/xnest/GC.c | 345 |
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; + } +} |