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Unified Diff: ui/snapshot/snapshot_win.cc

Issue 621883004: Remove Windows snapshot code. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 6 years, 3 months ago
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Index: ui/snapshot/snapshot_win.cc
diff --git a/ui/snapshot/snapshot_win.cc b/ui/snapshot/snapshot_win.cc
deleted file mode 100644
index fff9705e0707d4d0dbb2db13212acec87e13a8f1..0000000000000000000000000000000000000000
--- a/ui/snapshot/snapshot_win.cc
+++ /dev/null
@@ -1,151 +0,0 @@
-// 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.
-
-#include "ui/snapshot/snapshot_win.h"
-
-#include "base/callback.h"
-#include "base/win/scoped_gdi_object.h"
-#include "base/win/scoped_hdc.h"
-#include "base/win/scoped_select_object.h"
-#include "ui/gfx/codec/png_codec.h"
-#include "ui/gfx/gdi_util.h"
-#include "ui/gfx/rect.h"
-#include "ui/gfx/size.h"
-#include "ui/snapshot/snapshot.h"
-
-namespace {
-
-gfx::Rect GetWindowBounds(HWND window_handle) {
- RECT content_rect = {0, 0, 0, 0};
- if (window_handle) {
- ::GetWindowRect(window_handle, &content_rect);
- } else {
- MONITORINFO monitor_info = {};
- monitor_info.cbSize = sizeof(monitor_info);
- if (GetMonitorInfo(MonitorFromWindow(NULL, MONITOR_DEFAULTTOPRIMARY),
- &monitor_info)) {
- content_rect = monitor_info.rcMonitor;
- }
- }
- content_rect.right++; // Match what PrintWindow wants.
-
- return gfx::Rect(content_rect.right - content_rect.left,
- content_rect.bottom - content_rect.top);
-}
-
-} // namespace
-
-namespace ui {
-
-namespace internal {
-
-bool GrabHwndSnapshot(HWND window_handle,
- const gfx::Rect& snapshot_bounds,
- std::vector<unsigned char>* png_representation) {
- DCHECK(snapshot_bounds.right() <= GetWindowBounds(window_handle).right());
- DCHECK(snapshot_bounds.bottom() <= GetWindowBounds(window_handle).bottom());
-
- // Create a memory DC that's compatible with the window.
- HDC window_hdc = GetWindowDC(window_handle);
- base::win::ScopedCreateDC mem_hdc(CreateCompatibleDC(window_hdc));
-
- BITMAPINFOHEADER hdr;
- gfx::CreateBitmapHeader(snapshot_bounds.width(),
- snapshot_bounds.height(),
- &hdr);
- unsigned char *bit_ptr = NULL;
- base::win::ScopedBitmap bitmap(
- CreateDIBSection(mem_hdc.Get(),
- reinterpret_cast<BITMAPINFO*>(&hdr),
- DIB_RGB_COLORS,
- reinterpret_cast<void **>(&bit_ptr),
- NULL, 0));
-
- base::win::ScopedSelectObject select_bitmap(mem_hdc.Get(), bitmap);
- // Clear the bitmap to white (so that rounded corners on windows
- // show up on a white background, and strangely-shaped windows
- // look reasonable). Not capturing an alpha mask saves a
- // bit of space.
- PatBlt(mem_hdc.Get(), 0, 0, snapshot_bounds.width(), snapshot_bounds.height(),
- WHITENESS);
- // Grab a copy of the window
- // First, see if PrintWindow is defined (it's not in Windows 2000).
- typedef BOOL (WINAPI *PrintWindowPointer)(HWND, HDC, UINT);
- PrintWindowPointer print_window =
- reinterpret_cast<PrintWindowPointer>(
- GetProcAddress(GetModuleHandle(L"User32.dll"), "PrintWindow"));
-
- // If PrintWindow is defined, use it. It will work on partially
- // obscured windows, and works better for out of process sub-windows.
- // Otherwise grab the bits we can get with BitBlt; it's better
- // than nothing and will work fine in the average case (window is
- // completely on screen). Always BitBlt when grabbing the whole screen.
- if (snapshot_bounds.origin() == gfx::Point() && print_window && window_handle)
- (*print_window)(window_handle, mem_hdc.Get(), 0);
- else
- BitBlt(mem_hdc.Get(), 0, 0, snapshot_bounds.width(),
- snapshot_bounds.height(), window_hdc, snapshot_bounds.x(),
- snapshot_bounds.y(), SRCCOPY);
-
- // We now have a copy of the window contents in a DIB, so
- // encode it into a useful format for posting to the bug report
- // server.
- gfx::PNGCodec::Encode(bit_ptr, gfx::PNGCodec::FORMAT_BGRA,
- snapshot_bounds.size(),
- snapshot_bounds.width() * 4, true,
- std::vector<gfx::PNGCodec::Comment>(),
- png_representation);
-
- ReleaseDC(window_handle, window_hdc);
-
- return true;
-}
-
-} // namespace internal
-
-#if !defined(USE_AURA)
-
-bool GrabViewSnapshot(gfx::NativeView view_handle,
- std::vector<unsigned char>* png_representation,
- const gfx::Rect& snapshot_bounds) {
- return GrabWindowSnapshot(view_handle, png_representation, snapshot_bounds);
-}
-
-bool GrabWindowSnapshot(gfx::NativeWindow window_handle,
- std::vector<unsigned char>* png_representation,
- const gfx::Rect& snapshot_bounds) {
- DCHECK(window_handle);
- return internal::GrabHwndSnapshot(window_handle, snapshot_bounds,
- png_representation);
-}
-
-void GrapWindowSnapshotAsync(
- gfx::NativeWindow window,
- const gfx::Rect& snapshot_bounds,
- const gfx::Size& target_size,
- scoped_refptr<base::TaskRunner> background_task_runner,
- GrabWindowSnapshotAsyncCallback callback) {
- callback.Run(gfx::Image());
-}
-
-void GrabViewSnapshotAsync(
- gfx::NativeView view,
- const gfx::Rect& source_rect,
- scoped_refptr<base::TaskRunner> background_task_runner,
- const GrabWindowSnapshotAsyncPNGCallback& callback) {
- callback.Run(scoped_refptr<base::RefCountedBytes>());
-}
-
-
-void GrabWindowSnapshotAsync(
- gfx::NativeWindow window,
- const gfx::Rect& source_rect,
- scoped_refptr<base::TaskRunner> background_task_runner,
- const GrabWindowSnapshotAsyncPNGCallback& callback) {
- callback.Run(scoped_refptr<base::RefCountedBytes>());
-}
-
-#endif // !defined(USE_AURA)
-
-} // namespace ui
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