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Diffstat (limited to 'xorg-server/hw/xfree86/xaa/xaaLineMisc.c')
-rw-r--r--xorg-server/hw/xfree86/xaa/xaaLineMisc.c299
1 files changed, 149 insertions, 150 deletions
diff --git a/xorg-server/hw/xfree86/xaa/xaaLineMisc.c b/xorg-server/hw/xfree86/xaa/xaaLineMisc.c
index 44048674e..4379778f6 100644
--- a/xorg-server/hw/xfree86/xaa/xaaLineMisc.c
+++ b/xorg-server/hw/xfree86/xaa/xaaLineMisc.c
@@ -1,150 +1,149 @@
-
-#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 "miline.h"
-#include "xf86str.h"
-#include "xaa.h"
-#include "xaalocal.h"
-
-
-void
-XAASolidHorVertLineAsRects(
- ScrnInfoPtr pScrn,
- int x, int y, int len, int dir
-){
- XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCRNINFOPTR(pScrn);
-
- if(dir == DEGREES_0)
- (*infoRec->SubsequentSolidFillRect)(pScrn, x, y, len, 1);
- else
- (*infoRec->SubsequentSolidFillRect)(pScrn, x, y, 1, len);
-}
-
-
-void
-XAASolidHorVertLineAsTwoPoint(
- ScrnInfoPtr pScrn,
- int x, int y, int len, int dir
-){
- XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCRNINFOPTR(pScrn);
-
- len--;
-
- if(dir == DEGREES_0)
- (*infoRec->SubsequentSolidTwoPointLine)(pScrn, x, y, x + len, y, 0);
- else
- (*infoRec->SubsequentSolidTwoPointLine)(pScrn, x, y, x, y + len, 0);
-}
-
-void
-XAASolidHorVertLineAsBresenham(
- ScrnInfoPtr pScrn,
- int x, int y, int len, int dir
-){
- XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCRNINFOPTR(pScrn);
-
- if(dir == DEGREES_0)
- (*infoRec->SubsequentSolidBresenhamLine)(
- pScrn, x, y, len << 1, 0, -len, len, 0);
- else
- (*infoRec->SubsequentSolidBresenhamLine)(
- pScrn, x, y, len << 1, 0, -len, len, YMAJOR);
-}
-
-
-void
-XAAComputeDash(GCPtr pGC)
-{
- XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC);
- XAAGCPtr pGCPriv = (XAAGCPtr)dixLookupPrivate(&pGC->devPrivates,
- XAAGetGCKey());
- Bool EvenDash = (pGC->numInDashList & 0x01) ? FALSE : TRUE;
- int PatternLength = 0;
- unsigned char* DashPtr = (unsigned char*)pGC->dash;
- CARD32 *ptr;
- int count = pGC->numInDashList;
- int shift, value, direction;
- Bool set;
-
- free(pGCPriv->DashPattern);
-
- pGCPriv->DashPattern = NULL;
- pGCPriv->DashLength = 0;
-
- while(count--)
- PatternLength += *(DashPtr++);
-
- if(!EvenDash)
- PatternLength <<= 1;
-
- if(PatternLength > infoRec->DashPatternMaxLength)
- return;
-
- if((infoRec->DashedLineFlags & LINE_PATTERN_POWER_OF_2_ONLY) &&
- (PatternLength & (PatternLength - 1)))
- return;
-
- pGCPriv->DashPattern = calloc((PatternLength + 31) >> 5, 4);
- if(!pGCPriv->DashPattern) return;
- pGCPriv->DashLength = PatternLength;
-
- if(infoRec->DashedLineFlags & (LINE_PATTERN_LSBFIRST_MSBJUSTIFIED |
- LINE_PATTERN_LSBFIRST_LSBJUSTIFIED)) {
- direction = 1;
- set = TRUE;
- DashPtr = (unsigned char*)pGC->dash;
- } else {
- direction = -1;
- set = FALSE;
- DashPtr = (unsigned char*)pGC->dash + pGC->numInDashList - 1;
- }
-
- if(infoRec->DashedLineFlags & (LINE_PATTERN_LSBFIRST_MSBJUSTIFIED |
- LINE_PATTERN_MSBFIRST_MSBJUSTIFIED))
- shift = 32 - (PatternLength & 31);
- else
- shift = 0;
-
- ptr = (CARD32*)(pGCPriv->DashPattern);
-
-CONCATENATE:
-
- count = pGC->numInDashList;
-
- while(count--) {
- value = *DashPtr;
- DashPtr += direction;
- while(value) {
- if(value < (32 - shift)) {
- if(set) *ptr |= XAAShiftMasks[value] << shift;
- shift += value;
- break;
- } else {
- if(set) *ptr |= ~0L << shift;
- value -= (32 - shift);
- shift = 0;
- ptr++;
- }
- }
- if(set) set = FALSE;
- else set = TRUE;
- }
-
- if(!EvenDash) {
- EvenDash = TRUE;
- if(infoRec->DashedLineFlags & (LINE_PATTERN_LSBFIRST_MSBJUSTIFIED |
- LINE_PATTERN_LSBFIRST_LSBJUSTIFIED))
- DashPtr = (unsigned char*)pGC->dash;
- else
- DashPtr = (unsigned char*)pGC->dash + pGC->numInDashList;
- goto CONCATENATE;
- }
-}
+
+#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 "miline.h"
+#include "xf86str.h"
+#include "xaa.h"
+#include "xaalocal.h"
+
+void
+XAASolidHorVertLineAsRects(ScrnInfoPtr pScrn, int x, int y, int len, int dir)
+{
+ XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCRNINFOPTR(pScrn);
+
+ if (dir == DEGREES_0)
+ (*infoRec->SubsequentSolidFillRect) (pScrn, x, y, len, 1);
+ else
+ (*infoRec->SubsequentSolidFillRect) (pScrn, x, y, 1, len);
+}
+
+void
+XAASolidHorVertLineAsTwoPoint(ScrnInfoPtr pScrn, int x, int y, int len, int dir)
+{
+ XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCRNINFOPTR(pScrn);
+
+ len--;
+
+ if (dir == DEGREES_0)
+ (*infoRec->SubsequentSolidTwoPointLine) (pScrn, x, y, x + len, y, 0);
+ else
+ (*infoRec->SubsequentSolidTwoPointLine) (pScrn, x, y, x, y + len, 0);
+}
+
+void
+XAASolidHorVertLineAsBresenham(ScrnInfoPtr pScrn,
+ int x, int y, int len, int dir)
+{
+ XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCRNINFOPTR(pScrn);
+
+ if (dir == DEGREES_0)
+ (*infoRec->SubsequentSolidBresenhamLine) (pScrn, x, y, len << 1, 0,
+ -len, len, 0);
+ else
+ (*infoRec->SubsequentSolidBresenhamLine) (pScrn, x, y, len << 1, 0,
+ -len, len, YMAJOR);
+}
+
+void
+XAAComputeDash(GCPtr pGC)
+{
+ XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC);
+ XAAGCPtr pGCPriv = (XAAGCPtr) dixLookupPrivate(&pGC->devPrivates,
+ XAAGetGCKey());
+ Bool EvenDash = (pGC->numInDashList & 0x01) ? FALSE : TRUE;
+ int PatternLength = 0;
+ unsigned char *DashPtr = (unsigned char *) pGC->dash;
+ CARD32 *ptr;
+ int count = pGC->numInDashList;
+ int shift, value, direction;
+ Bool set;
+
+ free(pGCPriv->DashPattern);
+
+ pGCPriv->DashPattern = NULL;
+ pGCPriv->DashLength = 0;
+
+ while (count--)
+ PatternLength += *(DashPtr++);
+
+ if (!EvenDash)
+ PatternLength <<= 1;
+
+ if (PatternLength > infoRec->DashPatternMaxLength)
+ return;
+
+ if ((infoRec->DashedLineFlags & LINE_PATTERN_POWER_OF_2_ONLY) &&
+ (PatternLength & (PatternLength - 1)))
+ return;
+
+ pGCPriv->DashPattern = calloc((PatternLength + 31) >> 5, 4);
+ if (!pGCPriv->DashPattern)
+ return;
+ pGCPriv->DashLength = PatternLength;
+
+ if (infoRec->DashedLineFlags & (LINE_PATTERN_LSBFIRST_MSBJUSTIFIED |
+ LINE_PATTERN_LSBFIRST_LSBJUSTIFIED)) {
+ direction = 1;
+ set = TRUE;
+ DashPtr = (unsigned char *) pGC->dash;
+ }
+ else {
+ direction = -1;
+ set = FALSE;
+ DashPtr = (unsigned char *) pGC->dash + pGC->numInDashList - 1;
+ }
+
+ if (infoRec->DashedLineFlags & (LINE_PATTERN_LSBFIRST_MSBJUSTIFIED |
+ LINE_PATTERN_MSBFIRST_MSBJUSTIFIED))
+ shift = 32 - (PatternLength & 31);
+ else
+ shift = 0;
+
+ ptr = (CARD32 *) (pGCPriv->DashPattern);
+
+ CONCATENATE:
+
+ count = pGC->numInDashList;
+
+ while (count--) {
+ value = *DashPtr;
+ DashPtr += direction;
+ while (value) {
+ if (value < (32 - shift)) {
+ if (set)
+ *ptr |= XAAShiftMasks[value] << shift;
+ shift += value;
+ break;
+ }
+ else {
+ if (set)
+ *ptr |= ~0L << shift;
+ value -= (32 - shift);
+ shift = 0;
+ ptr++;
+ }
+ }
+ if (set)
+ set = FALSE;
+ else
+ set = TRUE;
+ }
+
+ if (!EvenDash) {
+ EvenDash = TRUE;
+ if (infoRec->DashedLineFlags & (LINE_PATTERN_LSBFIRST_MSBJUSTIFIED |
+ LINE_PATTERN_LSBFIRST_LSBJUSTIFIED))
+ DashPtr = (unsigned char *) pGC->dash;
+ else
+ DashPtr = (unsigned char *) pGC->dash + pGC->numInDashList;
+ goto CONCATENATE;
+ }
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-09 01:08:46 +0000