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sw_engine stroke: set stroke invalid if points are zero.

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This valid tag is used for further progress.
we don't need it actually since we can count by points number.
This commit is contained in:
Hermet Park 2021-06-24 20:41:02 +09:00 • committed by Hermet Park
parent 86fd0f67cf
commit 750ad90bf0
2 changed files with 2 additions and 7 deletions
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1
src/lib/sw_engine/tvgSwCommon.h
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@ -171,7 +171,6 @@ struct SwStrokeBorder
uint8_t* tags;
int32_t start; //index of current sub-path start point
bool movable; //true: for ends of lineto borders
bool valid;
};
struct SwStroke

8
src/lib/sw_engine/tvgSwStroke.cpp
View file

@ -742,7 +742,6 @@ static void _getCounts(SwStrokeBorder* border, uint32_t& ptsCnt, uint32_t& cntrs
bool inCntr = false;
while (count > 0) {
if (tags[0] & SW_STROKE_TAG_BEGIN) {
if (inCntr) goto fail;
inCntr = true;
@ -758,7 +757,7 @@ static void _getCounts(SwStrokeBorder* border, uint32_t& ptsCnt, uint32_t& cntrs
}
if (inCntr) goto fail;
border->valid = true;
ptsCnt = _ptsCnt;
cntrsCnt = _cntrsCnt;
@ -774,7 +773,7 @@ static void _exportBorderOutline(const SwStroke& stroke, SwOutline* outline, uin
{
auto border = stroke.borders + side;
if (!border->valid) return;
if (border->ptsCnt == 0) return; //invalid border
memcpy(outline->pts + outline->ptsCnt, border->pts, border->ptsCnt * sizeof(SwPoint));
@ -844,11 +843,8 @@ void strokeReset(SwStroke* stroke, const Shape* sdata, const Matrix* transform)
stroke->borders[0].ptsCnt = 0;
stroke->borders[0].start = -1;
stroke->borders[0].valid = false;
stroke->borders[1].ptsCnt = 0;
stroke->borders[1].start = -1;
stroke->borders[1].valid = false;
}