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- // Copyright (c) 2012 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 UI_SNAPSHOT_SNAPSHOT_H_
- #define UI_SNAPSHOT_SNAPSHOT_H_
- #include "base/callback_forward.h"
- #include "base/memory/ref_counted.h"
- #include "base/memory/ref_counted_memory.h"
- #include "ui/gfx/native_widget_types.h"
- #include "ui/snapshot/snapshot_export.h"
- namespace gfx {
- class Rect;
- class Image;
- class Size;
- }
- namespace ui {
- // Grabs a snapshot of the window/view. No security checks are done. This is
- // intended to be used for debugging purposes where no BrowserProcess instance
- // is available (ie. tests). This function is synchronous, so it should NOT be
- // used in a result of user action. Support for async vs synchronous
- // GrabWindowSnapshot differs by platform. To be most general, use the
- // synchronous function first and if it returns false call the async one.
- SNAPSHOT_EXPORT bool GrabWindowSnapshot(gfx::NativeWindow window,
- const gfx::Rect& snapshot_bounds,
- gfx::Image* image);
- SNAPSHOT_EXPORT bool GrabViewSnapshot(gfx::NativeView view,
- const gfx::Rect& snapshot_bounds,
- gfx::Image* image);
- // These functions take a snapshot of |source_rect|, specified in layer space
- // coordinates (DIP for desktop, physical pixels for Android), and scale the
- // snapshot to |target_size| (in physical pixels), asynchronously.
- using GrabWindowSnapshotAsyncCallback =
- base::OnceCallback<void(gfx::Image snapshot)>;
- SNAPSHOT_EXPORT void GrabWindowSnapshotAndScaleAsync(
- gfx::NativeWindow window,
- const gfx::Rect& source_rect,
- const gfx::Size& target_size,
- GrabWindowSnapshotAsyncCallback callback);
- SNAPSHOT_EXPORT void GrabWindowSnapshotAsync(
- gfx::NativeWindow window,
- const gfx::Rect& source_rect,
- GrabWindowSnapshotAsyncCallback callback);
- SNAPSHOT_EXPORT void GrabViewSnapshotAsync(
- gfx::NativeView view,
- const gfx::Rect& source_rect,
- GrabWindowSnapshotAsyncCallback callback);
- using GrabWindowSnapshotAsyncPNGCallback =
- base::OnceCallback<void(scoped_refptr<base::RefCountedMemory> data)>;
- SNAPSHOT_EXPORT void GrabWindowSnapshotAsyncPNG(
- gfx::NativeWindow window,
- const gfx::Rect& source_rect,
- GrabWindowSnapshotAsyncPNGCallback callback);
- using GrabWindowSnapshotAsyncJPEGCallback =
- base::OnceCallback<void(scoped_refptr<base::RefCountedMemory> data)>;
- SNAPSHOT_EXPORT void GrabWindowSnapshotAsyncJPEG(
- gfx::NativeWindow window,
- const gfx::Rect& source_rect,
- GrabWindowSnapshotAsyncJPEGCallback callback);
- } // namespace ui
- #endif // UI_SNAPSHOT_SNAPSHOT_H_
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