Experimental basic SVG support (#64)

Author: kunitoki

examples/graphics/data/svg/tiger.svg

@@ -0,0 +1,99 @@
+/*
+  ==============================================================================
+
+   This file is part of the YUP library.
+   Copyright (c) 2025 - [email protected]
+
+   YUP is an open source library subject to open-source licensing.
+
+   The code included in this file is provided under the terms of the ISC license
+   http://www.isc.org/downloads/software-support-policy/isc-license. Permission
+   to use, copy, modify, and/or distribute this software for any purpose with or
+   without fee is hereby granted provided that the above copyright notice and
+   this permission notice appear in all copies.
+
+   YUP IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
+   EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
+   DISCLAIMED.
+
+  ==============================================================================
+*/
+
+#pragma once
+
+namespace yup
+{
+
+class SvgDemo : public yup::Component
+{
+public:
+    SvgDemo()
+    {
+        updateListOfSvgFiles();
+
+        parseSvgFile (currentSvgFileIndex);
+    }
+
+    void resized() override
+    {
+        //drawable.setBounds (getLocalBounds());
+    }
+
+    void mouseDown (const yup::MouseEvent& event) override
+    {
+        ++currentSvgFileIndex;
+
+        parseSvgFile (currentSvgFileIndex);
+    }
+
+    void paint (Graphics& g) override
+    {
+        g.setFillColor (findColor (yup::DocumentWindow::Style::backgroundColorId).value_or (yup::Colors::dimgray));
+        g.fillAll();
+
+        drawable.paint (g, getLocalBounds());
+    }
+
+private:
+    void updateListOfSvgFiles()
+    {
+        yup::File riveBasePath = yup::File (__FILE__)
+                                     .getParentDirectory()
+                                     .getParentDirectory()
+                                     .getParentDirectory();
+
+        auto files = riveBasePath.getChildFile ("data/svg").findChildFiles (yup::File::findFiles, false, "*.svg");
+        if (files.isEmpty())
+            return;
+
+        for (const auto& svgFile : files)
+            svgFiles.add (svgFile);
+    }
+
+    void parseSvgFile (int index)
+    {
+        if (svgFiles.isEmpty())
+            return;
+
+        if (index < 0)
+            index = svgFiles.size() - 1;
+
+        if (index >= svgFiles.size())
+            index = 0;
+
+        currentSvgFileIndex = index;
+
+        YUP_DBG ("Showing " << svgFiles[currentSvgFileIndex].getFullPathName());
+
+        drawable.clear();
+        drawable.parseSVG (svgFiles[currentSvgFileIndex]);
+
+        repaint();
+    }
+
+    yup::Drawable drawable;
+    Array<yup::File> svgFiles;
+    int currentSvgFileIndex = 0;
+};
+
+} // namespace yup

examples/graphics/source/examples/Svg.h

@@ -128,7 +128,7 @@ class VariableFontsExample : public yup::Component
         g.setFillColor (findColor (yup::DocumentWindow::Style::backgroundColorId).value_or (yup::Colors::dimgray));
         g.fillAll();
 
-        g.setTransform (yup::AffineTransform::rotation (
+        g.addTransform (yup::AffineTransform::rotation (
             yup::degreesToRadians (-rotation), getLocalBounds().getCenterX(), 100.0f));
 
         if (feather > 0.0f)

examples/graphics/source/examples/VariableFonts.h

@@ -40,6 +40,7 @@
 #include "examples/Paths.h"
 #include "examples/PopupMenu.h"
 #include "examples/TextEditor.h"
+#include "examples/Svg.h"
 #include "examples/VariableFonts.h"
 #include "examples/Widgets.h"
 
@@ -222,6 +223,19 @@ class CustomWindow
             addChildComponent (components.getLast());
         }
 
+        {
+            auto button = std::make_unique<yup::TextButton> ("SVG");
+            button->onClick = [this, number = counter++]
+            {
+                selectComponent (number);
+            };
+            addAndMakeVisible (button.get());
+            buttons.add (std::move (button));
+
+            components.add (std::make_unique<yup::SvgDemo>());
+            addChildComponent (components.getLast());
+        }
+
         selectComponent (0);
 
         startTimerHz (10);