Initial Commit

src/GUIStuff/Elements/SVGIcon.cpp

@@ -0,0 +1,67 @@
+#include "SVGIcon.hpp"
+#include "Helpers/ConvertVec.hpp"
+#include <modules/svg/include/SkSVGNode.h>
+#include <include/core/SkStream.h>
+#include <include/core/SkColorFilter.h>
+#include <include/core/SkColorSpace.h>
+#include <iostream>
+
+namespace GUIStuff {
+
+void SVGIcon::update(UpdateInputData& io, const std::string& newSvgPath, bool newIsHighlighted, const std::function<void()>& elemUpdate) {
+    auto findSVGData = io.svgData.find(newSvgPath);
+    if(findSVGData == io.svgData.end()) {
+        auto stream = SkStream::MakeFromFile(newSvgPath.c_str());
+        if(!stream) {
+            std::cout << "[SVGIcon::update] Could not open file " << newSvgPath << std::endl;
+            io.svgData[newSvgPath] = nullptr;
+            svgDom = nullptr;
+        }
+        auto newSvgDom = SkSVGDOM::Builder().make(*stream);
+        if(!newSvgDom) {
+            io.svgData[newSvgPath] = nullptr;
+            svgDom = nullptr;
+            std::cout << "[SVGIcon::update] Could not parse SVG " << newSvgPath << std::endl;
+        }
+        else {
+            io.svgData[newSvgPath] = newSvgDom;
+            svgDom = newSvgDom;
+        }
+    }
+    else
+        svgDom = findSVGData->second;
+
+    highlighted = newIsHighlighted;
+
+    CLAY({
+        .layout = {
+            .sizing = {.width = CLAY_SIZING_GROW(0), .height = CLAY_SIZING_GROW(0) }
+        },
+        .custom = { .customData = this }
+    }) {
+        if(elemUpdate)
+            elemUpdate();
+    }
+}
+
+void SVGIcon::clay_draw(SkCanvas* canvas, UpdateInputData& io, Clay_RenderCommand* command) {
+    if(!svgDom)
+        return;
+
+    auto bb = get_bb(command);
+
+    canvas->save();
+    canvas->translate(bb.min.x(), bb.min.y());
+    SkRect r = SkRect::MakeXYWH(0.0f, 0.0f, bb.width(), bb.height());
+    canvas->clipRect(r);
+    SkPaint blendingPaint;
+    blendingPaint.setColorFilter(SkColorFilters::Blend(highlighted ? io.theme->frontColor1 : io.theme->frontColor2, SkColorSpace::MakeSRGB(), SkBlendMode::kSrcIn));
+    canvas->saveLayer(r, &blendingPaint);
+    canvas->scale(bb.width() / svgDom->containerSize().width(), bb.height() / svgDom->containerSize().height());
+    svgDom->render(canvas);
+    canvas->restore();
+
+    canvas->restore();
+}
+
+}