1 files changed, 41 insertions, 1 deletions
diff --git a/src/osx/graphics/quartz/TextLayout.cpp b/src/osx/graphics/quartz/TextLayout.cpp
index bd0562cb..6b183fa7 100644
--- a/src/osx/graphics/quartz/TextLayout.cpp
+++ b/src/osx/graphics/quartz/TextLayout.cpp
@@ -1,5 +1,45 @@
 #include "cru/osx/graphics/quartz/TextLayout.hpp"
+#include "cru/osx/graphics/quartz/Convert.hpp"
+#include "cru/osx/graphics/quartz/Resource.hpp"
 
 namespace cru::platform::graphics::osx::quartz {
-  
+OsxCTTextLayout::OsxCTTextLayout(IGraphFactory* graphics_factory,
+                                 std::shared_ptr<OsxCTFont> font,
+                                 const String& str)
+    : OsxQuartzResource(graphics_factory),
+      max_width_(0.f),
+      max_height_(0.f),
+      font_(std::move(font)),
+      text_(str) {
+  cf_text_ = Convert(str);
+
+  RecreateFrame();
+}
+
+void OsxCTTextLayout::SetText(String new_text) {
+  text_ = std::move(new_text);
+  CFRelease(cf_text_);
+  cf_text_ = Convert(text_);
+  RecreateFrame();
+}
+
+void OsxCTTextLayout::RecreateFrame() {
+  auto attributed_string = CFAttributedStringCreateMutable(nullptr, 0);
+  CFAttributedStringReplaceString(attributed_string, CFRangeMake(0, 0),
+                                  cf_text_);
+  CFAttributedStringSetAttribute(attributed_string,
+                                 CFRangeMake(0, CFStringGetLength(cf_text_)),
+                                 kCTFontAttributeName, font_->GetCTFont());
+  ct_framesetter_ = CTFramesetterCreateWithAttributedString(attributed_string);
+
+  auto path = CGPathCreateMutable();
+  CGPathAddRect(path, nullptr, CGRectMake(0, 0, max_width_, max_height_));
+
+  ct_frame_ = CTFramesetterCreateFrame(
+      ct_framesetter_, CFRangeMake(0, CFStringGetLength(cf_text_)), path,
+      nullptr);
+
+  CFRelease(attributed_string);
+  CGPathRelease(path);
 }
+}  // namespace cru::platform::graphics::osx::quartz