From c1f8ea13524f398f8d1720e5f03a17dd66352ebf Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Sun, 30 Jan 2022 20:40:59 +0800
Subject: ...

---
 src/osx/graphics/quartz/ImageFactory.cpp | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 src/osx/graphics/quartz/ImageFactory.cpp

(limited to 'src/osx/graphics/quartz/ImageFactory.cpp')

diff --git a/src/osx/graphics/quartz/ImageFactory.cpp b/src/osx/graphics/quartz/ImageFactory.cpp
new file mode 100644
index 00000000..c59ff126
--- /dev/null
+++ b/src/osx/graphics/quartz/ImageFactory.cpp
@@ -0,0 +1,31 @@
+#include "cru/osx/graphics/quartz/ImageFactory.hpp"
+#include "cru/osx/graphics/quartz/Convert.hpp"
+#include "cru/osx/graphics/quartz/Image.hpp"
+#include "cru/platform/graphics/Image.hpp"
+
+#include <ImageIO/ImageIO.h>
+
+namespace cru::platform::graphics::osx::quartz {
+QuartzImageFactory::QuartzImageFactory(IGraphicsFactory* graphics_factory)
+    : OsxQuartzResource(graphics_factory) {}
+
+QuartzImageFactory::~QuartzImageFactory() {}
+
+std::unique_ptr<IImage> QuartzImageFactory::DecodeFromStream(
+    io::Stream* stream) {
+  CGDataProviderRef data_provider = ConvertStreamToCGDataProvider(stream);
+  CGImageSourceRef image_source =
+      CGImageSourceCreateWithDataProvider(data_provider, nullptr);
+
+  CGImageRef cg_image =
+      CGImageSourceCreateImageAtIndex(image_source, 0, nullptr);
+
+  QuartzImage* image =
+      new QuartzImage(GetGraphicsFactory(), this, cg_image, true);
+
+  CFRelease(cg_image);
+  CGDataProviderRelease(data_provider);
+
+  return std::unique_ptr<IImage>(image);
+}
+}  // namespace cru::platform::graphics::osx::quartz
-- 
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