--- /dev/null
+#include <thorvg.h>
+
+#include <emscripten/bind.h>
+
+using namespace emscripten;
+using namespace std;
+using namespace tvg;
+
+string defaultData("<svg height=\"1000\" viewBox=\"0 0 1000 1000\" width=\"1000\" xmlns=\"http://www.w3.org/2000/svg\"><path d=\"M1.171875.25H1004.687475V1005.6094H1.171875Z\" fill=\"#09bbf1\" stroke-width=\"3.910218\"/><g fill=\"#252f35\"><g stroke-width=\"3.864492\"><path d=\"M256.61221 100.51736H752.8963V386.99554H256.61221Z\"/><path d=\"M201.875 100.51736H238.366478V386.99554H201.875Z\"/><path d=\"M771.14203 100.51736H807.633508V386.99554H771.14203Z\"/></g><path d=\"M420.82388 380H588.68467V422.805317H420.82388Z\" stroke-width=\"3.227\"/><path d=\"m420.82403 440.7101v63.94623l167.86079 25.5782V440.7101Z\"/><path d=\"M420.82403 523.07258V673.47362L588.68482 612.59701V548.13942Z\"/></g><g fill=\"#222f35\"><path d=\"M420.82403 691.37851 588.68482 630.5019 589 834H421Z\"/><path d=\"m420.82403 852.52249h167.86079v28.64782H420.82403v-28.64782 0 0\"/><path d=\"m439.06977 879.17031c0 0-14.90282 8.49429-18.24574 15.8161-4.3792 9.59153 0 31.63185 0 31.63185h167.86079c0 0 4.3792-22.04032 0-31.63185-3.34292-7.32181-18.24574-15.8161-18.24574-15.8161z\"/></g><path d=\"m280 140h15v55l8 10 8-10v-55h15v60l-23 25-23-25z\" fill=\"#09bbf1\"/><path d=\"m335 140v80h45v-50h-25v10h10v30h-15v-57h18v-13z\" fill=\"#09bbf1\"/></svg>");
+
+class __attribute__((visibility("default"))) ThorvgWasm
+{
+public:
+ static unique_ptr<ThorvgWasm> create()
+ {
+ return unique_ptr<ThorvgWasm>(new ThorvgWasm());
+ }
+
+ string getError()
+ {
+ return mErrorMsg;
+ }
+
+ bool load(string data, int width, int height)
+ {
+ uint32_t pw, ph;
+ float w, h;
+
+ mErrorMsg = "None";
+
+ if (!mSwCanvas) {
+ mErrorMsg = "Canvas is NULL";
+ return false;
+ }
+
+ mPicture = Picture::gen().release();
+ if (!mPicture) {
+ mErrorMsg = "Picture get failed";
+ return false;
+ }
+
+ mSwCanvas->clear();
+
+ if (data.empty()) data = defaultData;
+ const char *cdata = data.c_str();
+ if (mPicture->load(cdata, strlen(cdata)) != Result::Success) {
+
+ /* mPicture is not handled as unique_ptr yet, so delete here */
+ delete(mPicture);
+ mPicture = nullptr;
+
+ mErrorMsg = "Load failed";
+ return false;
+ }
+
+ /* get default size */
+ mPicture->viewbox(nullptr, nullptr, &w, &h);
+
+ pw = mDefaultWidth;
+ ph = mDefaultHeight;
+ mDefaultWidth = static_cast<uint32_t>(w);
+ mDefaultHeight = static_cast<uint32_t>(h);
+
+ if (pw != mDefaultWidth || ph != mDefaultHeight) {
+ updateScale();
+ }
+
+ updateSize(width, height);
+
+ if (mSwCanvas->push(unique_ptr<Picture>(mPicture)) != Result::Success) {
+ mErrorMsg = "Push failed";
+ return false;
+ }
+
+ return true;
+ }
+
+ void update(int width, int height)
+ {
+ mErrorMsg = "None";
+
+ if (!mSwCanvas) {
+ mErrorMsg = "Canvas is NULL";
+ return;
+ }
+
+ if (!mPicture) {
+ mErrorMsg = "Picture is NULL";
+ return;
+ }
+
+ if (mWidth == width && mHeight == height) {
+ return;
+ }
+
+ updateSize(width, height);
+
+ if (mSwCanvas->update(mPicture) != Result::Success) {
+ mErrorMsg = "Update failed";
+ return;
+ }
+
+ return;
+ }
+
+ val render()
+ {
+ mErrorMsg = "None";
+
+ if (!mSwCanvas) {
+ mErrorMsg = "Canvas is NULL";
+ return val(typed_memory_view<uint8_t>(0, nullptr));
+ }
+
+ if (mSwCanvas->draw() != Result::Success) {
+ mErrorMsg = "Draw failed";
+ return val(typed_memory_view<uint8_t>(0, nullptr));
+ }
+
+ mSwCanvas->sync();
+
+ return val(typed_memory_view(mWidth * mHeight * 4, mBuffer.get()));
+ }
+
+ float getScale()
+ {
+ return mScale;
+ }
+
+private:
+ explicit ThorvgWasm()
+ {
+ mErrorMsg = "None";
+
+ Initializer::init(CanvasEngine::Sw, 0);
+ mSwCanvas = SwCanvas::gen();
+ if (!mSwCanvas) {
+ mErrorMsg = "Canvas get failed";
+ return;
+ }
+ }
+
+ void updateSize(int width, int height)
+ {
+ if (!mSwCanvas) return;
+ if (mWidth == width && mHeight == height) return;
+
+ mWidth = width;
+ mHeight = height;
+ mBuffer = make_unique<uint8_t[]>(mWidth * mHeight * 4);
+ mSwCanvas->target((uint32_t *)mBuffer.get(), mWidth, mWidth, mHeight, SwCanvas::ABGR8888);
+
+ updateScale();
+ }
+
+ void updateScale()
+ {
+ if (!mPicture) return;
+
+ float scaleX = static_cast<float>(mWidth) / static_cast<float>(mDefaultWidth);
+ float scaleY = static_cast<float>(mHeight) / static_cast<float>(mDefaultHeight);
+ mScale = scaleX < scaleY ? scaleX : scaleY;
+
+ mPicture->scale(mScale);
+ }
+
+private:
+ string mErrorMsg;
+ unique_ptr< SwCanvas > mSwCanvas = nullptr;
+ Picture* mPicture = nullptr;
+ unique_ptr<uint8_t[]> mBuffer = nullptr;
+
+ uint32_t mWidth{0};
+ uint32_t mHeight{0};
+ uint32_t mDefaultWidth{0};
+ uint32_t mDefaultHeight{0};
+ float mScale{0};
+};
+
+// Binding code
+EMSCRIPTEN_BINDINGS(thorvg_bindings) {
+ class_<ThorvgWasm>("ThorvgWasm")
+ .constructor(&ThorvgWasm::create)
+ .function("getError", &ThorvgWasm::getError, allow_raw_pointers())
+ .function("load", &ThorvgWasm::load, allow_raw_pointers())
+ .function("update", &ThorvgWasm::update)
+ .function("render", &ThorvgWasm::render)
+ .function("getScale", &ThorvgWasm::getScale);
+}
--- /dev/null
+<!doctype html>
+<html>
+ <canvas id="thorvg" width="100" height="100"></canvas>
+ <script>
+ var Module = {
+ onRuntimeInitialized: function() {
+
+ class SvgViewer {
+ constructor() {
+ var instance = new Module.ThorvgWasm();
+ this.canvas = document.getElementById("thorvg");
+ var context = this.canvas.getContext('2d');
+ var buffer = instance.render(this.canvas.width, this.canvas.height);
+ var clampedBuffer = Uint8ClampedArray.from(buffer);
+ var imageData = new ImageData(clampedBuffer, this.canvas.width, this.canvas.height);
+ context.putImageData(imageData, 0, 0);
+ }
+ }
+
+ var instance = new SvgViewer();
+ }
+ };
+ </script>
+ <script src="thorvg-wasm.js"></script>
+</html>
--- /dev/null
+[binaries]
+c = 'EMSDK:upstream/emscripten/emcc.py'
+cpp = 'EMSDK:upstream/emscripten/em++.py'
+ar = 'EMSDK:upstream/emscripten/emar.py'
+
+[properties]
+root = 'EMSDK:upstream/emscripten/system'
+cpp_args = ['--bind' , '-s' , 'WASM=1' , '-s' , 'ALLOW_MEMORY_GROWTH=1' , '-s' , 'FILESYSTEM=0' , '-O2']
+cpp_link_args = ['--bind' , '-s' , 'WASM=1' , '-s' , 'ALLOW_MEMORY_GROWTH=1' , '-s' , 'FILESYSTEM=0' , '-O2']
+shared_lib_suffix = 'js'
+static_lib_suffix = 'js'
+shared_module_suffix = 'js'
+exe_suffix = 'js'
+
+[host_machine]
+system = 'emscripten'
+cpu_family = 'x86'
+cpu = 'i686'
+endian = 'little'
\ No newline at end of file
projects / platform / core / graphics / tizenvg.git / commitdiff