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Parse <svg> percentage width for automatic sizing

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Instead of calculating percentage coordinates relative to 1px, we calculate them
relative to 0px width, that way an explicit <svg width="100%"> will be converted
to <svg width="0px"> and trigger the bounding-box sizing calculation.
This commit is contained in:
Caleb Jones 2018-04-13 19:57:06 -04:00
parent 1f17a7ecea
commit d6eabf29c9
1 changed files with 2 additions and 2 deletions
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4
src/nanosvg.h
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@ -2494,9 +2494,9 @@ static void nsvg__parseSVG(NSVGparser* p, const char** attr)
for (i = 0; attr[i]; i += 2) { for (i = 0; attr[i]; i += 2) {
if (!nsvg__parseAttr(p, attr[i], attr[i + 1])) { if (!nsvg__parseAttr(p, attr[i], attr[i + 1])) {
if (strcmp(attr[i], "width") == 0) { if (strcmp(attr[i], "width") == 0) {
p->image->width = nsvg__parseCoordinate(p, attr[i + 1], 0.0f, 1.0f); p->image->width = nsvg__parseCoordinate(p, attr[i + 1], 0.0f, 0.0f);
} else if (strcmp(attr[i], "height") == 0) { } else if (strcmp(attr[i], "height") == 0) {
p->image->height = nsvg__parseCoordinate(p, attr[i + 1], 0.0f, 1.0f); p->image->height = nsvg__parseCoordinate(p, attr[i + 1], 0.0f, 0.0f);
} else if (strcmp(attr[i], "viewBox") == 0) { } else if (strcmp(attr[i], "viewBox") == 0) {
sscanf(attr[i + 1], "%f%*[%%, \t]%f%*[%%, \t]%f%*[%%, \t]%f", &p->viewMinx, &p->viewMiny, &p->viewWidth, &p->viewHeight); sscanf(attr[i + 1], "%f%*[%%, \t]%f%*[%%, \t]%f%*[%%, \t]%f", &p->viewMinx, &p->viewMiny, &p->viewWidth, &p->viewHeight);
} else if (strcmp(attr[i], "preserveAspectRatio") == 0) { } else if (strcmp(attr[i], "preserveAspectRatio") == 0) {