make the chat really pretty!!

also slightly optimized text shadow rendering, made sure glyphs with directives stay centered and added two extra Lua arguments to canvas.drawText

1 files changed, 17 insertions, 7 deletions

diff --git a/source/rendering/StarFontTextureGroup.cpp b/source/rendering/StarFontTextureGroup.cpp
index 038b535..7517c8b 100644
--- a/source/rendering/StarFontTextureGroup.cpp
+++ b/source/rendering/StarFontTextureGroup.cpp
@@ -12,24 +12,34 @@ void FontTextureGroup::cleanup(int64_t timeout) {
   eraseWhere(m_glyphs, [&](auto const& p) { return currentTime - p.second.time > timeout; });
 }
 
-TexturePtr FontTextureGroup::glyphTexture(String::Char c, unsigned size) {
-  return glyphTexture(c, size, "");
-}
-
-TexturePtr FontTextureGroup::glyphTexture(String::Char c, unsigned size, String const& processingDirectives) {
+const FontTextureGroup::GlyphTexture& FontTextureGroup::glyphTexture(String::Char c, unsigned size, String const& processingDirectives)
+{
   auto res = m_glyphs.insert(GlyphDescriptor{c, size, processingDirectives}, GlyphTexture());
 
   if (res.second) {
     m_font->setPixelSize(size);
     Image image = m_font->render(c);
-    if (!processingDirectives.empty())
+    if (!processingDirectives.empty()) {
+      Vec2F preSize = Vec2F(image.size());
       image = processImageOperations(parseImageOperations(processingDirectives), image);
+      res.first->second.processingOffset = preSize - Vec2F(image.size());
+    }
+    else
+      res.first->second.processingOffset = Vec2F();
 
     res.first->second.texture = m_textureGroup->create(image);
   }
 
   res.first->second.time = Time::monotonicMilliseconds();
-  return res.first->second.texture;
+  return res.first->second;
+}
+
+TexturePtr FontTextureGroup::glyphTexturePtr(String::Char c, unsigned size) {
+  return glyphTexture(c, size, "").texture;
+}
+
+TexturePtr FontTextureGroup::glyphTexturePtr(String::Char c, unsigned size, String const& processingDirectives) {
+  return glyphTexture(c, size, processingDirectives).texture;
 }
 
 unsigned FontTextureGroup::glyphWidth(String::Char c, unsigned fontSize) {