static void
RootlessFillSpans(DrawablePtr dst, GCPtr pGC, int nInit,
DDXPointPtr pptInit, int *pwidthInit, int sorted)
{
GC_SAVE(pGC);
GCOP_UNWRAP(pGC);
RL_DEBUG_MSG("fill spans start ");
if (nInit <= 0) {
pGC->ops->FillSpans(dst, pGC, nInit, pptInit, pwidthInit, sorted);
}
else {
DDXPointPtr ppt = pptInit;
int *pwidth = pwidthInit;
int i = nInit;
BoxRec box;
box.x1 = ppt->x;
box.x2 = box.x1 + *pwidth;
box.y2 = box.y1 = ppt->y;
while (--i) {
ppt++;
pwidth++;
if (box.x1 > ppt->x)
box.x1 = ppt->x;
if (box.x2 < (ppt->x + *pwidth))
box.x2 = ppt->x + *pwidth;
if (box.y1 > ppt->y)
box.y1 = ppt->y;
else if (box.y2 < ppt->y)
box.y2 = ppt->y;
}
box.y2++;
RootlessStartDrawing((WindowPtr) dst);
if (canAccelFill(dst, pGC)) {
GC_UNSET_PM(pGC, dst);
}
pGC->ops->FillSpans(dst, pGC, nInit, pptInit, pwidthInit, sorted);
TRIM_AND_TRANSLATE_BOX(box, dst, pGC);
if (BOX_NOT_EMPTY(box))
RootlessDamageBox((WindowPtr) dst, &box);
}
GC_RESTORE(pGC, dst);
GCOP_WRAP(pGC);
RL_DEBUG_MSG("fill spans end\n");
}
static void
ShadowSetSpans(
DrawablePtr pDraw,
GCPtr pGC,
char *pcharsrc,
DDXPointPtr pptInit,
int *pwidthInit,
int nspans,
int fSorted
){
SHADOW_GC_OP_PROLOGUE(pGC);
if(IS_VISIBLE(pDraw) && nspans) {
DDXPointPtr ppt = pptInit;
int *pwidth = pwidthInit;
int i = nspans;
BoxRec box;
Bool boxNotEmpty = FALSE;
box.x1 = ppt->x;
box.x2 = box.x1 + *pwidth;
box.y2 = box.y1 = ppt->y;
while(--i) {
ppt++;
pwidth++;
if(box.x1 > ppt->x) box.x1 = ppt->x;
if(box.x2 < (ppt->x + *pwidth))
box.x2 = ppt->x + *pwidth;
if(box.y1 > ppt->y) box.y1 = ppt->y;
else if(box.y2 < ppt->y) box.y2 = ppt->y;
}
box.y2++;
TRIM_AND_TRANSLATE_BOX(box, pDraw, pGC);
if(BOX_NOT_EMPTY(box)) {
if(pPriv->preRefresh)
(*pPriv->preRefresh)(pPriv->pScrn, 1, &box);
boxNotEmpty = TRUE;
}
(*pGC->ops->SetSpans)(pDraw, pGC, pcharsrc, pptInit,
pwidthInit, nspans, fSorted);
if(boxNotEmpty && pPriv->postRefresh)
(*pPriv->postRefresh)(pPriv->pScrn, 1, &box);
} else
(*pGC->ops->SetSpans)(pDraw, pGC, pcharsrc, pptInit,
pwidthInit, nspans, fSorted);
SHADOW_GC_OP_EPILOGUE(pGC);
}
static void
ShadowPolyPoint(
DrawablePtr pDraw,
GCPtr pGC,
int mode,
int nptInit,
xPoint *pptInit
){
BoxRec box;
Bool boxNotEmpty = FALSE;
SHADOW_GC_OP_PROLOGUE(pGC);
if(IS_VISIBLE(pDraw) && nptInit) {
xPoint *ppt = pptInit;
int npt = nptInit;
box.x2 = box.x1 = pptInit->x;
box.y2 = box.y1 = pptInit->y;
/* this could be slow if the points were spread out */
while(--npt) {
ppt++;
if(box.x1 > ppt->x) box.x1 = ppt->x;
else if(box.x2 < ppt->x) box.x2 = ppt->x;
if(box.y1 > ppt->y) box.y1 = ppt->y;
else if(box.y2 < ppt->y) box.y2 = ppt->y;
}
box.x2++;
box.y2++;
TRIM_AND_TRANSLATE_BOX(box, pDraw, pGC);
if(BOX_NOT_EMPTY(box)) {
if(pPriv->preRefresh)
(*pPriv->preRefresh)(pPriv->pScrn, 1, &box);
boxNotEmpty = TRUE;
}
}
(*pGC->ops->PolyPoint)(pDraw, pGC, mode, nptInit, pptInit);
if(boxNotEmpty && pPriv->postRefresh)
(*pPriv->postRefresh)(pPriv->pScrn, 1, &box);
SHADOW_GC_OP_EPILOGUE(pGC);
}
static void
RootlessSetSpans(DrawablePtr dst, GCPtr pGC, char *pSrc,
DDXPointPtr pptInit, int *pwidthInit, int nspans, int sorted)
{
GCOP_UNWRAP(pGC);
RL_DEBUG_MSG("set spans start ");
if (nspans <= 0) {
pGC->ops->SetSpans(dst, pGC, pSrc, pptInit, pwidthInit, nspans, sorted);
}
else {
DDXPointPtr ppt = pptInit;
int *pwidth = pwidthInit;
int i = nspans;
BoxRec box;
box.x1 = ppt->x;
box.x2 = box.x1 + *pwidth;
box.y2 = box.y1 = ppt->y;
while (--i) {
ppt++;
pwidth++;
if (box.x1 > ppt->x)
box.x1 = ppt->x;
if (box.x2 < (ppt->x + *pwidth))
box.x2 = ppt->x + *pwidth;
if (box.y1 > ppt->y)
box.y1 = ppt->y;
else if (box.y2 < ppt->y)
box.y2 = ppt->y;
}
box.y2++;
RootlessStartDrawing((WindowPtr) dst);
pGC->ops->SetSpans(dst, pGC, pSrc, pptInit, pwidthInit, nspans, sorted);
TRIM_AND_TRANSLATE_BOX(box, dst, pGC);
if (BOX_NOT_EMPTY(box))
RootlessDamageBox((WindowPtr) dst, &box);
}
GCOP_WRAP(pGC);
RL_DEBUG_MSG("set spans end\n");
}
static void
ShadowPolylines(
DrawablePtr pDraw,
GCPtr pGC,
int mode,
int nptInit,
DDXPointPtr pptInit
){
BoxRec box;
Bool boxNotEmpty = FALSE;
SHADOW_GC_OP_PROLOGUE(pGC);
if(IS_VISIBLE(pDraw) && nptInit) {
DDXPointPtr ppt = pptInit;
int npt = nptInit;
int extra = pGC->lineWidth >> 1;
box.x2 = box.x1 = pptInit->x;
box.y2 = box.y1 = pptInit->y;
if(npt > 1) {
if(pGC->joinStyle == JoinMiter)
extra = 6 * pGC->lineWidth;
else if(pGC->capStyle == CapProjecting)
extra = pGC->lineWidth;
}
if(mode == CoordModePrevious) {
int x = box.x1;
int y = box.y1;
while(--npt) {
ppt++;
x += ppt->x;
y += ppt->y;
if(box.x1 > x) box.x1 = x;
else if(box.x2 < x) box.x2 = x;
if(box.y1 > y) box.y1 = y;
else if(box.y2 < y) box.y2 = y;
}
} else {
while(--npt) {
ppt++;
if(box.x1 > ppt->x) box.x1 = ppt->x;
else if(box.x2 < ppt->x) box.x2 = ppt->x;
if(box.y1 > ppt->y) box.y1 = ppt->y;
else if(box.y2 < ppt->y) box.y2 = ppt->y;
}
}
box.x2++;
box.y2++;
if(extra) {
box.x1 -= extra;
box.x2 += extra;
box.y1 -= extra;
box.y2 += extra;
}
TRIM_AND_TRANSLATE_BOX(box, pDraw, pGC);
if(BOX_NOT_EMPTY(box)) {
if(pPriv->preRefresh)
(*pPriv->preRefresh)(pPriv->pScrn, 1, &box);
boxNotEmpty = TRUE;
}
}
/* changed area is box around each line */
static void
RootlessPolylines(DrawablePtr dst, GCPtr pGC,
int mode, int npt, DDXPointPtr pptInit)
{
GCOP_UNWRAP(pGC);
RL_DEBUG_MSG("poly lines start ");
RootlessStartDrawing((WindowPtr) dst);
pGC->ops->Polylines(dst, pGC, mode, npt, pptInit);
if (npt > 0) {
BoxRec box;
int extra = pGC->lineWidth >> 1;
box.x2 = box.x1 = pptInit->x;
box.y2 = box.y1 = pptInit->y;
if (npt > 1) {
if (pGC->joinStyle == JoinMiter)
extra = 6 * pGC->lineWidth;
else if (pGC->capStyle == CapProjecting)
extra = pGC->lineWidth;
}
if (mode == CoordModePrevious) {
int x = box.x1;
int y = box.y1;
while (--npt) {
pptInit++;
x += pptInit->x;
y += pptInit->y;
if (box.x1 > x)
box.x1 = x;
else if (box.x2 < x)
box.x2 = x;
if (box.y1 > y)
box.y1 = y;
else if (box.y2 < y)
box.y2 = y;
}
}
else {
while (--npt) {
pptInit++;
if (box.x1 > pptInit->x)
box.x1 = pptInit->x;
else if (box.x2 < pptInit->x)
box.x2 = pptInit->x;
if (box.y1 > pptInit->y)
box.y1 = pptInit->y;
else if (box.y2 < pptInit->y)
box.y2 = pptInit->y;
}
}
box.x2++;
box.y2++;
if (extra) {
box.x1 -= extra;
box.x2 += extra;
box.y1 -= extra;
box.y2 += extra;
}
TRIM_AND_TRANSLATE_BOX(box, dst, pGC);
if (BOX_NOT_EMPTY(box))
RootlessDamageBox((WindowPtr) dst, &box);
}
/* changed area is box around all points */
static void
RootlessPolyPoint(DrawablePtr dst, GCPtr pGC,
int mode, int npt, DDXPointPtr pptInit)
{
GCOP_UNWRAP(pGC);
RL_DEBUG_MSG("polypoint start ");
RootlessStartDrawing((WindowPtr) dst);
pGC->ops->PolyPoint(dst, pGC, mode, npt, pptInit);
if (npt > 0) {
#if ROOTLESS_CHANGED_AREA==0
// box per point
BoxRec box;
while (npt) {
box.x1 = pptInit->x;
box.y1 = pptInit->y;
box.x2 = box.x1 + 1;
box.y2 = box.y1 + 1;
TRIM_AND_TRANSLATE_BOX(box, dst, pGC);
if (BOX_NOT_EMPTY(box))
RootlessDamageBox((WindowPtr) dst, &box);
npt--;
pptInit++;
}
#elif ROOTLESS_CHANGED_AREA==1
// one big box
BoxRec box;
box.x2 = box.x1 = pptInit->x;
box.y2 = box.y1 = pptInit->y;
while (--npt) {
pptInit++;
if (box.x1 > pptInit->x)
box.x1 = pptInit->x;
else if (box.x2 < pptInit->x)
box.x2 = pptInit->x;
if (box.y1 > pptInit->y)
box.y1 = pptInit->y;
else if (box.y2 < pptInit->y)
box.y2 = pptInit->y;
}
box.x2++;
box.y2++;
TRIM_AND_TRANSLATE_BOX(box, dst, pGC);
if (BOX_NOT_EMPTY(box))
RootlessDamageBox((WindowPtr) dst, &box);
#elif ROOTLESS_CHANGED_AREA==2
// clever(?) method: accumulate point in 20-pixel radius
BoxRec box;
int firstx, firsty;
box.x2 = box.x1 = firstx = pptInit->x;
box.y2 = box.y1 = firsty = pptInit->y;
while (--npt) {
pptInit++;
if (abs(pptInit->x - firstx) > 20 || abs(pptInit->y - firsty) > 20) {
box.x2++;
box.y2++;
TRIM_AND_TRANSLATE_BOX(box, dst, pGC);
if (BOX_NOT_EMPTY(box))
RootlessDamageBox((WindowPtr) dst, &box);
box.x2 = box.x1 = firstx = pptInit->x;
box.y2 = box.y1 = firsty = pptInit->y;
}
else {
if (box.x1 > pptInit->x)
box.x1 = pptInit->x;
else if (box.x2 < pptInit->x)
box.x2 = pptInit->x;
if (box.y1 > pptInit->y)
box.y1 = pptInit->y;
else if (box.y2 < pptInit->y)
box.y2 = pptInit->y;
}
}
box.x2++;
box.y2++;
TRIM_AND_TRANSLATE_BOX(box, dst, pGC);
if (BOX_NOT_EMPTY(box))
RootlessDamageBox((WindowPtr) dst, &box);
#endif /* ROOTLESS_CHANGED_AREA */
}
GCOP_WRAP(pGC);
RL_DEBUG_MSG("polypoint end\n");
}