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Unified Diff: examples/bitmap_uploader/bitmap_uploader.h

Issue 1537803002: Revert "Delete the Surfaces service." (Closed) Base URL: https://github.com/domokit/mojo.git@master
Patch Set: Created 5 years ago
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Index: examples/bitmap_uploader/bitmap_uploader.h
diff --git a/examples/bitmap_uploader/bitmap_uploader.h b/examples/bitmap_uploader/bitmap_uploader.h
new file mode 100644
index 0000000000000000000000000000000000000000..e07791a64c0d2acf96337a0fec80a3d27611a6ec
--- /dev/null
+++ b/examples/bitmap_uploader/bitmap_uploader.h
@@ -0,0 +1,78 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef EXAMPLES_BITMAP_UPLOADER_BITMAP_UPLOADER_H_
+#define EXAMPLES_BITMAP_UPLOADER_BITMAP_UPLOADER_H_
+
+#include <MGL/mgl_types.h>
+
+#include "base/callback.h"
+#include "base/containers/hash_tables.h"
+#include "base/memory/scoped_ptr.h"
+#include "mojo/public/cpp/bindings/binding.h"
+#include "mojo/services/geometry/interfaces/geometry.mojom.h"
+#include "mojo/services/gpu/interfaces/gpu.mojom.h"
+#include "mojo/services/surfaces/interfaces/surface_id.mojom.h"
+#include "mojo/services/surfaces/interfaces/surfaces.mojom.h"
+
+namespace mojo {
+class Shell;
+class View;
+
+// BitmapUploader is useful if you want to draw a bitmap or color in a View.
+class BitmapUploader : public ResourceReturner {
+ public:
+ explicit BitmapUploader(View* view);
+ ~BitmapUploader() override;
+
+ void Init(Shell* shell);
+
+ // Sets the color which is RGBA.
+ void SetColor(uint32_t color);
+
+ enum Format {
+ RGBA, // Pixel layout on Android.
+ BGRA, // Pixel layout everywhere else.
+ };
+
+ // Sets a bitmap.
+ void SetBitmap(int width,
+ int height,
+ scoped_ptr<std::vector<unsigned char>> data,
+ Format format);
+
+ private:
+ void Upload();
+ uint32_t BindTextureForSize(const Size size);
+ uint32_t TextureFormat();
+
+ void SetIdNamespace(uint32_t id_namespace);
+
+ // ResourceReturner implementation.
+ void ReturnResources(Array<ReturnedResourcePtr> resources) override;
+
+ View* view_;
+ GpuPtr gpu_service_;
+ MGLContext mgl_context_;
+
+ Size size_;
+ uint32_t color_;
+ int width_;
+ int height_;
+ Format format_;
+ scoped_ptr<std::vector<unsigned char>> bitmap_;
+ SurfacePtr surface_;
+ Size surface_size_;
+ uint32_t next_resource_id_;
+ uint32_t id_namespace_;
+ uint32_t local_id_;
+ base::hash_map<uint32_t, uint32_t> resource_to_texture_id_map_;
+ mojo::Binding<mojo::ResourceReturner> returner_binding_;
+
+ DISALLOW_COPY_AND_ASSIGN(BitmapUploader);
+};
+
+} // namespace mojo
+
+#endif // EXAMPLES_BITMAP_UPLOADER_BITMAP_UPLOADER_H_
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