diff options
Diffstat (limited to 'xorg-server/hw/xfree86/xaa/xaaRect.c')
-rw-r--r-- | xorg-server/hw/xfree86/xaa/xaaRect.c | 257 |
1 files changed, 121 insertions, 136 deletions
diff --git a/xorg-server/hw/xfree86/xaa/xaaRect.c b/xorg-server/hw/xfree86/xaa/xaaRect.c index 988dbf608..002090085 100644 --- a/xorg-server/hw/xfree86/xaa/xaaRect.c +++ b/xorg-server/hw/xfree86/xaa/xaaRect.c @@ -1,136 +1,121 @@ -
-#ifdef HAVE_XORG_CONFIG_H
-#include <xorg-config.h>
-#endif
-
-#include "misc.h"
-#include "xf86.h"
-#include "xf86_OSproc.h"
-
-#include <X11/X.h>
-#include "scrnintstr.h"
-#include "pixmapstr.h"
-#include "xf86str.h"
-#include "xaa.h"
-#include "xaalocal.h"
-
-/*
- Much of this file based on code by
- Harm Hanemaayer (H.Hanemaayer@inter.nl.net).
-*/
-
-
-void
-XAAPolyRectangleThinSolid(
- DrawablePtr pDrawable,
- GCPtr pGC,
- int nRectsInit,
- xRectangle *pRectsInit )
-{
- XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC);
- int nClipRects; /* number of clip rectangles */
- BoxPtr pClipRects; /* points to the list of clip rects */
- int xOrigin; /* Drawables x origin */
- int yOrigin; /* Drawables x origin */
- xRectangle *pRect; /* list of rects */
- int nRects; /* running count of number of rects */
- int origX1, origY1; /* original rectangle's U/L corner */
- int origX2, origY2; /* original rectangle's L/R corner */
- int clippedX1; /* clipped rectangle's left x */
- int clippedY1; /* clipped rectangle's top y */
- int clippedX2; /* clipped rectangle's right x */
- int clippedY2; /* clipped rectangle's bottom y */
- int clipXMin; /* upper left corner of clip rect */
- int clipYMin; /* upper left corner of clip rect */
- int clipXMax; /* lower right corner of clip rect */
- int clipYMax; /* lower right corner of clip rect */
- int width, height; /* width and height of rect */
-
- nClipRects = RegionNumRects(pGC->pCompositeClip);
- pClipRects = RegionRects(pGC->pCompositeClip);
-
- if(!nClipRects) return;
-
- xOrigin = pDrawable->x;
- yOrigin = pDrawable->y;
-
-
- (*infoRec->SetupForSolidLine)(infoRec->pScrn,
- pGC->fgPixel, pGC->alu, pGC->planemask);
-
-
- for ( ; nClipRects > 0;
- nClipRects--, pClipRects++ )
- {
- clipYMin = pClipRects->y1;
- clipYMax = pClipRects->y2 - 1;
- clipXMin = pClipRects->x1;
- clipXMax = pClipRects->x2 - 1;
-
- for (pRect = pRectsInit, nRects = nRectsInit;
- nRects > 0;
- nRects--, pRect++ )
- {
- /* translate rectangle data over to the drawable */
- origX1 = pRect->x + xOrigin;
- origY1 = pRect->y + yOrigin;
- origX2 = origX1 + pRect->width;
- origY2 = origY1 + pRect->height;
-
- /* reject entire rectangle if completely outside clip rect */
- if ((origX1 > clipXMax) || (origX2 < clipXMin) ||
- (origY1 > clipYMax) || (origY2 < clipYMin))
- continue;
-
- /* clip the rectangle */
- clippedX1 = max (origX1, clipXMin);
- clippedX2 = min (origX2, clipXMax);
- clippedY1 = max (origY1, clipYMin);
- clippedY2 = min (origY2, clipYMax);
-
- width = clippedX2 - clippedX1 + 1;
-
- if (origY1 >= clipYMin) {
- (*infoRec->SubsequentSolidHorVertLine)(infoRec->pScrn,
- clippedX1, clippedY1, width, DEGREES_0);
-
- /* don't overwrite corner */
- clippedY1++;
- }
-
- if ((origY2 <= clipYMax) && (origY1 != origY2)) {
- (*infoRec->SubsequentSolidHorVertLine)(infoRec->pScrn,
- clippedX1, clippedY2, width, DEGREES_0);
-
- /* don't overwrite corner */
- clippedY2--;
- }
-
- if (clippedY2 < clippedY1) continue;
-
- height = clippedY2 - clippedY1 + 1;
-
- /* draw vertical edges using lines if not clipped out */
- if (origX1 >= clipXMin)
- (*infoRec->SubsequentSolidHorVertLine)(infoRec->pScrn,
- clippedX1, clippedY1, height, DEGREES_270);
-
- if ((origX2 <= clipXMax) && (origX2 != origX1))
- (*infoRec->SubsequentSolidHorVertLine)(infoRec->pScrn,
- clippedX2, clippedY1, height, DEGREES_270);
- }
- }
-
- SET_SYNC_FLAG(infoRec);
-}
-
-
-
-
-
-
-
-
-
-
-
+ +#ifdef HAVE_XORG_CONFIG_H +#include <xorg-config.h> +#endif + +#include "misc.h" +#include "xf86.h" +#include "xf86_OSproc.h" + +#include <X11/X.h> +#include "scrnintstr.h" +#include "pixmapstr.h" +#include "xf86str.h" +#include "xaa.h" +#include "xaalocal.h" + +/* + Much of this file based on code by + Harm Hanemaayer (H.Hanemaayer@inter.nl.net). +*/ + +void +XAAPolyRectangleThinSolid(DrawablePtr pDrawable, + GCPtr pGC, int nRectsInit, xRectangle *pRectsInit) +{ + XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC); + int nClipRects; /* number of clip rectangles */ + BoxPtr pClipRects; /* points to the list of clip rects */ + int xOrigin; /* Drawables x origin */ + int yOrigin; /* Drawables x origin */ + xRectangle *pRect; /* list of rects */ + int nRects; /* running count of number of rects */ + int origX1, origY1; /* original rectangle's U/L corner */ + int origX2, origY2; /* original rectangle's L/R corner */ + int clippedX1; /* clipped rectangle's left x */ + int clippedY1; /* clipped rectangle's top y */ + int clippedX2; /* clipped rectangle's right x */ + int clippedY2; /* clipped rectangle's bottom y */ + int clipXMin; /* upper left corner of clip rect */ + int clipYMin; /* upper left corner of clip rect */ + int clipXMax; /* lower right corner of clip rect */ + int clipYMax; /* lower right corner of clip rect */ + int width, height; /* width and height of rect */ + + nClipRects = RegionNumRects(pGC->pCompositeClip); + pClipRects = RegionRects(pGC->pCompositeClip); + + if (!nClipRects) + return; + + xOrigin = pDrawable->x; + yOrigin = pDrawable->y; + + (*infoRec->SetupForSolidLine) (infoRec->pScrn, + pGC->fgPixel, pGC->alu, pGC->planemask); + + for (; nClipRects > 0; nClipRects--, pClipRects++) { + clipYMin = pClipRects->y1; + clipYMax = pClipRects->y2 - 1; + clipXMin = pClipRects->x1; + clipXMax = pClipRects->x2 - 1; + + for (pRect = pRectsInit, nRects = nRectsInit; + nRects > 0; nRects--, pRect++) { + /* translate rectangle data over to the drawable */ + origX1 = pRect->x + xOrigin; + origY1 = pRect->y + yOrigin; + origX2 = origX1 + pRect->width; + origY2 = origY1 + pRect->height; + + /* reject entire rectangle if completely outside clip rect */ + if ((origX1 > clipXMax) || (origX2 < clipXMin) || + (origY1 > clipYMax) || (origY2 < clipYMin)) + continue; + + /* clip the rectangle */ + clippedX1 = max(origX1, clipXMin); + clippedX2 = min(origX2, clipXMax); + clippedY1 = max(origY1, clipYMin); + clippedY2 = min(origY2, clipYMax); + + width = clippedX2 - clippedX1 + 1; + + if (origY1 >= clipYMin) { + (*infoRec->SubsequentSolidHorVertLine) (infoRec->pScrn, + clippedX1, clippedY1, + width, DEGREES_0); + + /* don't overwrite corner */ + clippedY1++; + } + + if ((origY2 <= clipYMax) && (origY1 != origY2)) { + (*infoRec->SubsequentSolidHorVertLine) (infoRec->pScrn, + clippedX1, clippedY2, + width, DEGREES_0); + + /* don't overwrite corner */ + clippedY2--; + } + + if (clippedY2 < clippedY1) + continue; + + height = clippedY2 - clippedY1 + 1; + + /* draw vertical edges using lines if not clipped out */ + if (origX1 >= clipXMin) + (*infoRec->SubsequentSolidHorVertLine) (infoRec->pScrn, + clippedX1, clippedY1, + height, DEGREES_270); + + if ((origX2 <= clipXMax) && (origX2 != origX1)) + (*infoRec->SubsequentSolidHorVertLine) (infoRec->pScrn, + clippedX2, clippedY1, + height, DEGREES_270); + } + } + + SET_SYNC_FLAG(infoRec); +} |