diff options
Diffstat (limited to 'hw/xfree86/xaa/xaaLineMisc.c')
| -rw-r--r-- | hw/xfree86/xaa/xaaLineMisc.c | 165 |
1 files changed, 82 insertions, 83 deletions
diff --git a/hw/xfree86/xaa/xaaLineMisc.c b/hw/xfree86/xaa/xaaLineMisc.c index ed3cd486b..4379778f6 100644 --- a/hw/xfree86/xaa/xaaLineMisc.c +++ b/hw/xfree86/xaa/xaaLineMisc.c @@ -13,138 +13,137 @@ #include "xf86str.h" #include "xaa.h" #include "xaalocal.h" - void -XAASolidHorVertLineAsRects( - ScrnInfoPtr pScrn, - int x, int y, int len, int dir -){ +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); + if (dir == DEGREES_0) + (*infoRec->SubsequentSolidFillRect) (pScrn, x, y, len, 1); else - (*infoRec->SubsequentSolidFillRect)(pScrn, x, y, 1, len); + (*infoRec->SubsequentSolidFillRect) (pScrn, x, y, 1, len); } - void -XAASolidHorVertLineAsTwoPoint( - ScrnInfoPtr pScrn, - int x, int y, int len, int dir -){ +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); + if (dir == DEGREES_0) + (*infoRec->SubsequentSolidTwoPointLine) (pScrn, x, y, x + len, y, 0); else - (*infoRec->SubsequentSolidTwoPointLine)(pScrn, x, y, x, y + len, 0); + (*infoRec->SubsequentSolidTwoPointLine) (pScrn, x, y, x, y + len, 0); } - + void -XAASolidHorVertLineAsBresenham( - ScrnInfoPtr pScrn, - int x, int y, int len, int dir -){ +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); + 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); + (*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()); + XAAGCPtr pGCPriv = (XAAGCPtr) dixLookupPrivate(&pGC->devPrivates, + XAAGetGCKey()); Bool EvenDash = (pGC->numInDashList & 0x01) ? FALSE : TRUE; int PatternLength = 0; - unsigned char* DashPtr = (unsigned char*)pGC->dash; + unsigned char *DashPtr = (unsigned char *) pGC->dash; CARD32 *ptr; - int count = pGC->numInDashList; + int count = pGC->numInDashList; int shift, value, direction; Bool set; free(pGCPriv->DashPattern); pGCPriv->DashPattern = NULL; - pGCPriv->DashLength = 0; - - while(count--) - PatternLength += *(DashPtr++); + pGCPriv->DashLength = 0; + + while (count--) + PatternLength += *(DashPtr++); - if(!EvenDash) - PatternLength <<= 1; + if (!EvenDash) + PatternLength <<= 1; - if(PatternLength > infoRec->DashPatternMaxLength) - return; + if (PatternLength > infoRec->DashPatternMaxLength) + return; - if((infoRec->DashedLineFlags & LINE_PATTERN_POWER_OF_2_ONLY) && - (PatternLength & (PatternLength - 1))) - 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; + 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_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); + if (infoRec->DashedLineFlags & (LINE_PATTERN_LSBFIRST_MSBJUSTIFIED | + LINE_PATTERN_MSBFIRST_MSBJUSTIFIED)) + shift = 32 - (PatternLength & 31); else - shift = 0; + shift = 0; - ptr = (CARD32*)(pGCPriv->DashPattern); + ptr = (CARD32 *) (pGCPriv->DashPattern); -CONCATENATE: + 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; + 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; + 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; } } |