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Side by Side Diff: ui/gfx/image/cairo_cached_surface.h

Issue 23498059: Remove last dependencies on ui/base from ui/gfx (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: last rebase Created 7 years, 2 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef UI_GFX_IMAGE_CAIRO_CACHED_SURFACE_H_ 5 #ifndef UI_GFX_IMAGE_CAIRO_CACHED_SURFACE_H_
6 #define UI_GFX_IMAGE_CAIRO_CACHED_SURFACE_H_ 6 #define UI_GFX_IMAGE_CAIRO_CACHED_SURFACE_H_
7 7
8 #include <vector> 8 #include <vector>
9 9
10 #include "ui/gfx/gfx_export.h" 10 #include "ui/gfx/gfx_export.h"
11 11
12 typedef struct _GdkDisplay GdkDisplay; 12 typedef struct _GdkDisplay GdkDisplay;
13 typedef struct _GdkPixbuf GdkPixbuf; 13 typedef struct _GdkPixbuf GdkPixbuf;
14 typedef struct _GtkWidget GtkWidget; 14 typedef struct _GtkWidget GtkWidget;
15 typedef struct _cairo cairo_t; 15 typedef struct _cairo cairo_t;
16 typedef struct _cairo_surface cairo_surface_t; 16 typedef struct _cairo_surface cairo_surface_t;
17 17
18 namespace gfx { 18 namespace gfx {
19 19
20 // A helper class that takes a GdkPixbuf* and renders it to the screen. Unlike 20 // A helper class that takes a GdkPixbuf* and renders it to the screen. Unlike
21 // gdk_cairo_set_source_pixbuf(), CairoCachedSurface assumes that the pixbuf is 21 // gdk_cairo_set_source_pixbuf(), CairoCachedSurface assumes that the pixbuf is
22 // immutable after UsePixbuf() is called and can be sent to the display server 22 // immutable after UsePixbuf() is called and can be sent to the display server
23 // once. From then on, that cached version is used so we don't upload the same 23 // once. From then on, that cached version is used so we don't upload the same
24 // image each and every time we expose. 24 // image each and every time we expose.
25 // 25 //
26 // Most cached surfaces are owned by the GtkThemeService, which associates 26 // Most cached surfaces are owned by the GtkThemeService, which associates
27 // them with a certain XDisplay. Some users of surfaces (CustomDrawButtonBase, 27 // them with a certain XDisplay. Some users of surfaces (CustomDrawButtonBase,
28 // for example) own their surfaces instead since they interact with the 28 // for example) own their surfaces instead since they interact with the
29 // ResourceBundle instead of the GtkThemeService. 29 // ResourceBundle instead of the GtkThemeService.
30 class UI_EXPORT CairoCachedSurface { 30 class GFX_EXPORT CairoCachedSurface {
31 public: 31 public:
32 CairoCachedSurface(); 32 CairoCachedSurface();
33 ~CairoCachedSurface(); 33 ~CairoCachedSurface();
34 34
35 // Whether this CairoCachedSurface owns a GdkPixbuf. 35 // Whether this CairoCachedSurface owns a GdkPixbuf.
36 bool valid() const { 36 bool valid() const {
37 return pixbuf_; 37 return pixbuf_;
38 } 38 }
39 39
40 // Delete all our data. 40 // Delete all our data.
(...skipping 34 matching lines...) Expand 10 before | Expand all | Expand 10 after
75 75
76 // Our list of cached surfaces. 99% of the time, this will only contain a 76 // Our list of cached surfaces. 99% of the time, this will only contain a
77 // single entry. At most two. We need to get this right for multiple displays 77 // single entry. At most two. We need to get this right for multiple displays
78 // to work correct, since each GdkDisplay is a different display server. 78 // to work correct, since each GdkDisplay is a different display server.
79 mutable SurfaceVector surface_map_; 79 mutable SurfaceVector surface_map_;
80 }; 80 };
81 81
82 } // namespace gfx 82 } // namespace gfx
83 83
84 #endif // UI_GFX_IMAGE_CAIRO_CACHED_SURFACE_H_ 84 #endif // UI_GFX_IMAGE_CAIRO_CACHED_SURFACE_H_
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