Add Svg::getNumShapes/Paths/Points().

include/svg.hpp

@@ -44,6 +44,9 @@ struct Svg {
 	/** Loads SVG data from a string. */
 	void loadString(const std::string& str);
 	void draw(NVGcontext* vg);
+	int getNumShapes();
+	int getNumPaths();
+	int getNumPoints();
 
 	/** Loads Svg from a cache. */
 	static std::shared_ptr<Svg> load(const std::string& filename);

src/app/RackRail.cpp

@@ -11,6 +11,7 @@ namespace app {
 RackRail::RackRail() {
 	busBoardSvg = Svg::load(asset::system("res/ComponentLibrary/RackBusboard.svg"));
 	railsSvg = Svg::load(asset::system("res/ComponentLibrary/RackRails.svg"));
+	// DEBUG("%d %d %d", railsSvg->getNumShapes(), railsSvg->getNumPaths(), railsSvg->getNumPoints());
 }
 
 
@@ -40,7 +41,7 @@ void RackRail::draw(const DrawArgs& args) {
 		for (float x = 0; x < box.size.x; x += busBoardWidth) {
 			nvgSave(args.vg);
 			nvgTranslate(args.vg, x, busBoardY);
-			svgDraw(args.vg, busBoardSvg->handle);
+			busBoardSvg->draw(args.vg);
 			nvgRestore(args.vg);
 		}
 
@@ -56,7 +57,7 @@ void RackRail::draw(const DrawArgs& args) {
 		for (float x = 0; x < box.size.x; x += RACK_GRID_WIDTH) {
 			nvgSave(args.vg);
 			nvgTranslate(args.vg, x, y );
-			svgDraw(args.vg, railsSvg->handle);
+			railsSvg->draw(args.vg);
 			nvgRestore(args.vg);
 		}
 	}

src/svg.cpp

@@ -41,6 +41,42 @@ void Svg::draw(NVGcontext* vg) {
 }
 
 
+int Svg::getNumShapes() {
+	if (!handle)
+		return 0;
+	int count = 0;
+	for (NSVGshape* shape = handle->shapes; shape; shape = shape->next) {
+		count++;
+	}
+	return count;
+}
+
+
+int Svg::getNumPaths() {
+	if (!handle)
+		return 0;
+	int count = 0;
+	for (NSVGshape* shape = handle->shapes; shape; shape = shape->next) {
+		for (NSVGpath* path = shape->paths; path; path = path->next) {
+			count++;
+		}
+	}
+	return count;
+}
+
+
+int Svg::getNumPoints() {
+	if (!handle)
+		return 0;
+	int count = 0;
+	for (NSVGshape* shape = handle->shapes; shape; shape = shape->next) {
+		for (NSVGpath* path = shape->paths; path; path = path->next) {
+			count += (path->npts / 3);
+		}
+	}
+	return count;
+}
+
 
 static std::map<std::string, std::shared_ptr<Svg>> svgCache;