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Merge pull request #81 from tpecholt/optimization

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issue #80: Add new shapes to the head due to performance
This commit is contained in:
Mikko Mononen 2017-04-20 17:10:24 +03:00 committed by GitHub
commit ca69314cb3
1 changed files with 14 additions and 11 deletions
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23
src/nanosvg.h
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@ -996,17 +996,9 @@ static void nsvg__addShape(NSVGparser* p)
// Set flags
shape->flags = (attr->visible ? NSVG_FLAGS_VISIBLE : 0x00);
// Add to tail
prev = NULL;
cur = p->image->shapes;
while (cur != NULL) {
prev = cur;
cur = cur->next;
}
if (prev == NULL)
// Add to head due to performance, reverse list later
shape->next = p->image->shapes;
p->image->shapes = shape;
else
prev->next = shape;
return;
@ -2795,6 +2787,7 @@ NSVGimage* nsvgParse(char* input, const char* units, float dpi)
{
NSVGparser* p;
NSVGimage* ret = 0;
NSVGshape* cur, *tmp;
p = nsvg__createParser();
if (p == NULL) {
@ -2804,6 +2797,16 @@ NSVGimage* nsvgParse(char* input, const char* units, float dpi)
nsvg__parseXML(input, nsvg__startElement, nsvg__endElement, nsvg__content, p);
//reverse the list of shapes to match svg order
cur = p->image->shapes;
while (cur && cur->next != NULL) {
tmp = cur->next;
cur->next = cur->next->next;
tmp->next = p->image->shapes;
p->image->shapes = tmp;
cur = cur->next;
}
// Scale to viewBox
nsvg__scaleToViewbox(p, units);