Text: expose a Renderer::fontSize() getter.

doc/changelog.dox

@@ -546,6 +546,10 @@ See also:
     the color map offset was not a part of per-draw data, but rather material
     data.
 
+@subsubsection changelog-latest-changes-text Text library
+
+-   Added @ref Text::Renderer::fontSize()
+
 @subsubsection changelog-latest-changes-trade Trade library
 
 -   A changed signature of the @ref Trade::AbstractImporter::doOpenData(Containers::Array<char>&&, DataFlags)

src/Magnum/Text/Renderer.cpp

@@ -297,7 +297,7 @@ void AbstractRenderer::bufferUnmapImplementationDefault(GL::Buffer& buffer)
     #endif
 }
 
-AbstractRenderer::AbstractRenderer(AbstractFont& font, const GlyphCache& cache, const Float size, const Alignment alignment): _vertexBuffer{GL::Buffer::TargetHint::Array}, _indexBuffer{GL::Buffer::TargetHint::ElementArray}, font(font), cache(cache), size(size), _alignment(alignment), _capacity(0) {
+AbstractRenderer::AbstractRenderer(AbstractFont& font, const GlyphCache& cache, const Float size, const Alignment alignment): _vertexBuffer{GL::Buffer::TargetHint::Array}, _indexBuffer{GL::Buffer::TargetHint::ElementArray}, font(font), cache(cache), _fontSize{size}, _alignment(alignment), _capacity(0) {
     #ifndef MAGNUM_TARGET_GLES
     MAGNUM_ASSERT_GL_EXTENSION_SUPPORTED(GL::Extensions::ARB::map_buffer_range);
     #elif defined(MAGNUM_TARGET_GLES2) && !defined(CORRADE_TARGET_EMSCRIPTEN)
@@ -362,7 +362,7 @@ void AbstractRenderer::render(const std::string& text) {
     /* Render vertex data */
     std::vector<Vertex> vertexData;
     _rectangle = {};
-    std::tie(vertexData, _rectangle) = renderVerticesInternal(font, cache, size, text, _alignment);
+    std::tie(vertexData, _rectangle) = renderVerticesInternal(font, cache, _fontSize, text, _alignment);
 
     const UnsignedInt glyphCount = vertexData.size()/4;
     const UnsignedInt vertexCount = glyphCount*4;

src/Magnum/Text/Renderer.h

@@ -78,6 +78,12 @@ class MAGNUM_TEXT_EXPORT AbstractRenderer {
          */
         UnsignedInt capacity() const { return _capacity; }
 
+        /**
+         * @brief Font size
+         * @m_since_latest
+         */
+        Float fontSize() const { return _fontSize; }
+
         /** @brief Rectangle spanning the rendered text */
         Range2D rectangle() const { return _rectangle; }
 
@@ -135,7 +141,7 @@ class MAGNUM_TEXT_EXPORT AbstractRenderer {
     private:
         AbstractFont& font;
         const GlyphCache& cache;
-        Float size;
+        Float _fontSize;
         Alignment _alignment;
         UnsignedInt _capacity;
         Range2D _rectangle;

src/Magnum/Text/Test/RendererGLTest.cpp

@@ -274,6 +274,7 @@ void RendererGLTest::mutableText() {
     Text::Renderer2D renderer(font, nullGlyphCache, 0.25f);
     MAGNUM_VERIFY_NO_GL_ERROR();
     CORRADE_COMPARE(renderer.capacity(), 0);
+    CORRADE_COMPARE(renderer.fontSize(), 0.25f);
     CORRADE_COMPARE(renderer.rectangle(), Range2D());
 
     /* Reserve some capacity */