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SVGNode implementation in Geode
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| // CPMAddPackage("gh:sammycage/lunasvg#master") | |
| // target_link_libraries(${PROJECT_NAME} lunasvg) | |
| #include <Geode/Geode.hpp> | |
| #include <lunasvg.h> | |
| using namespace geode::prelude; | |
| class SvgNode : public CCNode { | |
| CCSprite* m_rendered = nullptr; | |
| std::unique_ptr<lunasvg::Document> m_document; | |
| public: | |
| static SvgNode* create(char const* svgData, CCSize const& size) { | |
| auto pRet = new SvgNode(); | |
| if (pRet && pRet->CCNode::init()) { | |
| if (pRet->init(svgData, size)) { | |
| pRet->autorelease(); | |
| return pRet; | |
| } | |
| } | |
| CC_SAFE_DELETE(pRet); | |
| return NULL; | |
| } | |
| bool init(char const* svgData, CCSize const& size) { | |
| m_document = lunasvg::Document::loadFromData(svgData); | |
| setAnchorPoint({0.5, 0.5}); | |
| render(size); | |
| return true; | |
| } | |
| void setContentSize(CCSize const& size) override { | |
| render(size); | |
| } | |
| protected: | |
| void render(CCSize const& size) { | |
| if (m_rendered) { | |
| m_rendered->removeFromParent(); | |
| } | |
| auto scaleFactor = CCDirector::sharedDirector()->getContentScaleFactor(); | |
| auto width = size.width < 0 ? size.width : size.width * scaleFactor; | |
| auto height = size.width < 0 ? size.width : size.height * scaleFactor; | |
| auto bitmap = m_document->renderToBitmap(width, height); | |
| bitmap.convertToRGBA(); | |
| CCNode::setContentSize(CCSizeMake(bitmap.width() / scaleFactor, bitmap.height() / scaleFactor)); | |
| auto texture = new CCTexture2D(); | |
| texture->initWithData(bitmap.data(), kCCTexture2DPixelFormat_RGBA8888, bitmap.width(), bitmap.height(), CCSizeMake(bitmap.width(), bitmap.height())); | |
| texture->m_bHasPremultipliedAlpha = false; | |
| m_rendered = CCSprite::createWithTexture(texture); | |
| m_rendered->setAnchorPoint({0, 0}); | |
| addChild(m_rendered); | |
| } | |
| }; |
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