Implement text-rotation-alignment

2014-09-04 18:12:40 -07:00
parent f2391e25ea
commit 7b9ad022a9
1 changed files with 10 additions and 0 deletions
--- a/src/renderer/painter_symbol.cpp
+++ b/src/renderer/painter_symbol.cpp
@@ -24,6 +24,16 @@ void Painter::renderSymbol(SymbolBucket &bucket, std::shared_ptr<StyleLayer> lay

        mat4 exMatrix;
        matrix::copy(exMatrix, projMatrix);
+
+        const float angleOffset =
+            bucket.properties.text.rotation_alignment == RotationAlignmentType::Map
+                ? map.getState().getAngle()
+                : 0;
+
+        if (angleOffset) {
+            matrix::rotate_z(exMatrix, exMatrix, angleOffset);
+        }
+
        if (bucket.properties.placement == PlacementType::Line) {
            matrix::rotate_z(exMatrix, exMatrix, map.getState().getAngle());
        }