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svg_loader: optimize memory usage.

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-- unnecessary memory fragmentation.
This commit is contained in:
Hermet Park 2021-07-08 19:25:50 +09:00 • committed by Hermet Park
parent 957ad5d017
commit 3997aedcd5
3 changed files with 13 additions and 23 deletions
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28
src/loaders/svg/tvgSvgLoader.cpp
View file

@ -1578,12 +1578,10 @@ static SvgNode* _findNodeById(SvgNode *node, string* id)
return result;
}
static void _cloneGradStops(Array<Fill::ColorStop*>* dst, const Array<Fill::ColorStop*>* src)
static void _cloneGradStops(Array<Fill::ColorStop>& dst, const Array<Fill::ColorStop>& src)
{
for (uint32_t i = 0; i < src->count; ++i) {
auto stop = static_cast<Fill::ColorStop *>(malloc(sizeof(Fill::ColorStop)));
*stop = *src->data[i];
dst->push(stop);
for (uint32_t i = 0; i < src.count; ++i) {
dst.push(src.data[i]);
}
}
@ -1616,7 +1614,7 @@ static SvgStyleGradient* _cloneGradient(SvgStyleGradient* from)
memcpy(grad->radial, from->radial, sizeof(SvgRadialGradient));
}
_cloneGradStops(&grad->stops, &from->stops);
_cloneGradStops(grad->stops, from->stops);
return grad;
error_grad_alloc:
//LOG: allocation failed. out of memory
@ -2000,7 +1998,7 @@ static SvgStyleGradient* _createRadialGradient(SvgLoaderData* loader, const char
static bool _attrParseStopsStyle(void* data, const char* key, const char* value)
{
SvgLoaderData* loader = (SvgLoaderData*)data;
auto stop = loader->svgParse->gradStop;
auto stop = &loader->svgParse->gradStop;
if (!strcmp(key, "stop-opacity")) {
stop->a = _toOpacity(value);
@ -2019,7 +2017,7 @@ static bool _attrParseStopsStyle(void* data, const char* key, const char* value)
static bool _attrParseStops(void* data, const char* key, const char* value)
{
SvgLoaderData* loader = (SvgLoaderData*)data;
auto stop = loader->svgParse->gradStop;
auto stop = &loader->svgParse->gradStop;
if (!strcmp(key, "offset")) {
stop->offset = _toOffset(value);
@ -2313,13 +2311,10 @@ static void _svgLoaderParserXmlOpen(SvgLoaderData* loader, const char* content,
#endif
return;
}
auto stop = static_cast<Fill::ColorStop*>(calloc(1, sizeof(Fill::ColorStop)));
if (!stop) return;
loader->svgParse->gradStop = stop;
/* default value for opacity */
stop->a = 255;
loader->svgParse->gradStop = {0.0f, 0, 0, 0, 255};
simpleXmlParseAttributes(attrs, attrsLength, _attrParseStops, loader);
loader->latestGradient->stops.push(stop);
loader->latestGradient->stops.push(loader->svgParse->gradStop);
}
#ifdef THORVG_LOG_ENABLED
else {
@ -2487,7 +2482,7 @@ static SvgStyleGradient* _gradientDup(Array<SvgStyleGradient*>* gradients, const
for (uint32_t i = 0; i < gradients->count; ++i) {
if (!((*gradList)->id->compare(*result->ref))) {
if (result->stops.count == 0) {
_cloneGradStops(&result->stops, &(*gradList)->stops);
_cloneGradStops(result->stops, (*gradList)->stops);
}
//TODO: Properly inherit other property
break;
@ -2540,11 +2535,6 @@ static void _freeGradientStyle(SvgStyleGradient* grad)
free(grad->radial);
free(grad->linear);
if (grad->transform) free(grad->transform);
for (uint32_t i = 0; i < grad->stops.count; ++i) {
auto colorStop = grad->stops.data[i];
free(colorStop);
}
grad->stops.reset();
free(grad);
}

4
src/loaders/svg/tvgSvgLoaderCommon.h
View file

@ -254,7 +254,7 @@ struct SvgStyleGradient
SvgRadialGradient* radial;
SvgLinearGradient* linear;
Matrix* transform;
Array<Fill::ColorStop *> stops;
Array<Fill::ColorStop> stops;
bool userSpace;
bool usePercentage;
};
@ -319,7 +319,7 @@ struct SvgParser
{
SvgNode* node;
SvgStyleGradient* styleGrad;
Fill::ColorStop* gradStop;
Fill::ColorStop gradStop;
SvgStopStyleFlags flags;
struct
{

4
src/loaders/svg/tvgSvgSceneBuilder.cpp
View file

@ -73,7 +73,7 @@ static unique_ptr<LinearGradient> _applyLinearGradientProperty(SvgStyleGradient*
if (!stops) return fillGrad;
auto prevOffset = 0.0f;
for (uint32_t i = 0; i < g->stops.count; ++i) {
auto colorStop = g->stops.data[i];
auto colorStop = &g->stops.data[i];
//Use premultiplied color
stops[i].r = colorStop->r;
stops[i].g = colorStop->g;
@ -139,7 +139,7 @@ static unique_ptr<RadialGradient> _applyRadialGradientProperty(SvgStyleGradient*
if (!stops) return fillGrad;
auto prevOffset = 0.0f;
for (uint32_t i = 0; i < g->stops.count; ++i) {
auto colorStop = g->stops.data[i];
auto colorStop = &g->stops.data[i];
//Use premultiplied color
stops[i].r = colorStop->r;
stops[i].g = colorStop->g;