Readd kerning

1 files changed, 29 insertions, 2 deletions

diff --git a/src/Text.cpp b/src/Text.cpp
index 69d6664..39e5bbd 100644
--- a/src/Text.cpp
+++ b/src/Text.cpp
@@ -400,6 +400,10 @@ namespace QuickMedia
             return vertices_linear.back().codepoint;
         }
     }
+
+    static mgl::vec2f vec2f_floor(mgl::vec2f value) {
+        return mgl::vec2f((int)value.x, (int)value.y);
+    }
     
     void Text::updateGeometry(bool update_even_if_not_dirty) {
         if(dirtyText) {
@@ -476,6 +480,11 @@ namespace QuickMedia
                     mgl::vec2f vertexTopRight(glyphPos.x + std::floor(emoji_rec.width * emoji_scale), glyphPos.y + font_height_offset - std::floor(emoji_rec.height * emoji_scale) * 0.5f);
                     mgl::vec2f vertexBottomLeft(glyphPos.x, glyphPos.y + font_height_offset + emoji_rec.height * emoji_scale * 0.5f);
                     mgl::vec2f vertexBottomRight(glyphPos.x + std::floor(emoji_rec.width * emoji_scale), glyphPos.y + font_height_offset + std::floor(emoji_rec.height * emoji_scale) * 0.5f);
+
+                    vertexTopLeft = vec2f_floor(vertexTopLeft);
+                    vertexTopRight = vec2f_floor(vertexTopRight);
+                    vertexBottomLeft = vec2f_floor(vertexBottomLeft);
+                    vertexBottomRight = vec2f_floor(vertexBottomRight);
                     
                     mgl::vec2f textureTopLeft(emoji_rec.x, emoji_rec.y);
                     mgl::vec2f textureTopRight(emoji_rec.x + emoji_rec.width, emoji_rec.y);
@@ -520,9 +529,7 @@ namespace QuickMedia
                 }
                 // TODO: Make this work when combining multiple different fonts (for example latin and japanese).
                 // For japanese we could use a hack, because all japanese characters are monospace (exception being half-width characters).
-                // TODO:
                 float kerning = ff->get_kerning(prevCodePoint, codepoint);
-                //float kerning = 0.0f;
                 prevCodePoint = codepoint;
                 glyphPos.x += kerning;
                 
@@ -538,6 +545,11 @@ namespace QuickMedia
                         mgl::vec2f vertexBottomLeft(glyphPos.x, glyphPos.y);
                         mgl::vec2f vertexBottomRight(glyphPos.x + hspace, glyphPos.y);
 
+                        vertexTopLeft = vec2f_floor(vertexTopLeft);
+                        vertexTopRight = vec2f_floor(vertexTopRight);
+                        vertexBottomLeft = vec2f_floor(vertexBottomLeft);
+                        vertexBottomRight = vec2f_floor(vertexBottomRight);
+
                         vertices[vertices_index].emplace_back(vertexTopRight, mgl::vec2f(), mgl::Color(0, 0, 0, 0));
                         vertices[vertices_index].emplace_back(vertexTopLeft, mgl::vec2f(), mgl::Color(0, 0, 0, 0));
                         vertices[vertices_index].emplace_back(vertexBottomLeft, mgl::vec2f(), mgl::Color(0, 0, 0, 0));
@@ -557,6 +569,11 @@ namespace QuickMedia
                         mgl::vec2f vertexBottomLeft(glyphPos.x, glyphPos.y);
                         mgl::vec2f vertexBottomRight(glyphPos.x + char_width, glyphPos.y);
 
+                        vertexTopLeft = vec2f_floor(vertexTopLeft);
+                        vertexTopRight = vec2f_floor(vertexTopRight);
+                        vertexBottomLeft = vec2f_floor(vertexBottomLeft);
+                        vertexBottomRight = vec2f_floor(vertexBottomRight);
+
                         vertices[vertices_index].emplace_back(vertexTopRight, mgl::vec2f(), mgl::Color(0, 0, 0, 0));
                         vertices[vertices_index].emplace_back(vertexTopLeft, mgl::vec2f(), mgl::Color(0, 0, 0, 0));
                         vertices[vertices_index].emplace_back(vertexBottomLeft, mgl::vec2f(), mgl::Color(0, 0, 0, 0));
@@ -575,6 +592,11 @@ namespace QuickMedia
                         mgl::vec2f vertexBottomLeft(glyphPos.x, glyphPos.y);
                         mgl::vec2f vertexBottomRight(glyphPos.x, glyphPos.y);
 
+                        vertexTopLeft = vec2f_floor(vertexTopLeft);
+                        vertexTopRight = vec2f_floor(vertexTopRight);
+                        vertexBottomLeft = vec2f_floor(vertexBottomLeft);
+                        vertexBottomRight = vec2f_floor(vertexBottomRight);
+
                         vertices[vertices_index].emplace_back(vertexTopRight, mgl::vec2f(), mgl::Color(0, 0, 0, 0));
                         vertices[vertices_index].emplace_back(vertexTopLeft, mgl::vec2f(), mgl::Color(0, 0, 0, 0));
                         vertices[vertices_index].emplace_back(vertexBottomLeft, mgl::vec2f(), mgl::Color(0, 0, 0, 0));
@@ -594,6 +616,11 @@ namespace QuickMedia
                         mgl::vec2f vertexTopRight(glyphPos.x + glyph.position.x + glyph.size.x, glyphPos.y + glyph.position.y);
                         mgl::vec2f vertexBottomLeft(glyphPos.x + glyph.position.x, glyphPos.y + glyph.position.y + glyph.size.y);
                         mgl::vec2f vertexBottomRight(glyphPos.x + glyph.position.x + glyph.size.x, glyphPos.y + glyph.position.y + glyph.size.y);
+
+                        vertexTopLeft = vec2f_floor(vertexTopLeft);
+                        vertexTopRight = vec2f_floor(vertexTopRight);
+                        vertexBottomLeft = vec2f_floor(vertexBottomLeft);
+                        vertexBottomRight = vec2f_floor(vertexBottomRight);
                         
                         mgl::vec2f textureTopLeft(glyph.texture_position.x, glyph.texture_position.y);
                         mgl::vec2f textureTopRight(glyph.texture_position.x + glyph.texture_size.x, glyph.texture_position.y);