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Issue 113443: ChromeCanvas->gfx::Canvas (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/
Patch Set: '' Created 11 years, 7 months ago
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1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2006-2008 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 #include "views/drag_utils.h" 5 #include "views/drag_utils.h"
6 6
7 #include <objidl.h> 7 #include <objidl.h>
8 #include <shlobj.h> 8 #include <shlobj.h>
9 #include <shobjidl.h> 9 #include <shobjidl.h>
10 10
11 #include "app/gfx/chrome_canvas.h" 11 #include "app/gfx/canvas.h"
12 #include "app/gfx/chrome_font.h" 12 #include "app/gfx/font.h"
13 #include "app/l10n_util.h" 13 #include "app/l10n_util.h"
14 #include "app/os_exchange_data.h" 14 #include "app/os_exchange_data.h"
15 #include "app/resource_bundle.h" 15 #include "app/resource_bundle.h"
16 #include "base/file_util.h" 16 #include "base/file_util.h"
17 #include "base/gfx/gdi_util.h" 17 #include "base/gfx/gdi_util.h"
18 #include "base/gfx/point.h" 18 #include "base/gfx/point.h"
19 #include "base/string_util.h" 19 #include "base/string_util.h"
20 #include "googleurl/src/gurl.h" 20 #include "googleurl/src/gurl.h"
21 #include "grit/theme_resources.h" 21 #include "grit/theme_resources.h"
22 #include "views/controls/button/text_button.h" 22 #include "views/controls/button/text_button.h"
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52 sdi.crColorKey = 0xFFFFFFFF; 52 sdi.crColorKey = 0xFFFFFFFF;
53 sdi.hbmpDragImage = hbitmap; 53 sdi.hbmpDragImage = hbitmap;
54 sdi.ptOffset.x = cursor_offset_x; 54 sdi.ptOffset.x = cursor_offset_x;
55 sdi.ptOffset.y = cursor_offset_y; 55 sdi.ptOffset.y = cursor_offset_y;
56 helper->InitializeFromBitmap(&sdi, data_object); 56 helper->InitializeFromBitmap(&sdi, data_object);
57 } 57 }
58 }; 58 };
59 59
60 // Blit the contents of the canvas to a new HBITMAP. It is the caller's 60 // Blit the contents of the canvas to a new HBITMAP. It is the caller's
61 // responsibility to release the |bits| buffer. 61 // responsibility to release the |bits| buffer.
62 static HBITMAP CreateBitmapFromCanvas(const ChromeCanvas& canvas, 62 static HBITMAP CreateBitmapFromCanvas(const gfx::Canvas& canvas,
63 int width, 63 int width,
64 int height) { 64 int height) {
65 HDC screen_dc = GetDC(NULL); 65 HDC screen_dc = GetDC(NULL);
66 BITMAPINFOHEADER header; 66 BITMAPINFOHEADER header;
67 gfx::CreateBitmapHeader(width, height, &header); 67 gfx::CreateBitmapHeader(width, height, &header);
68 void* bits; 68 void* bits;
69 HBITMAP bitmap = 69 HBITMAP bitmap =
70 CreateDIBSection(screen_dc, reinterpret_cast<BITMAPINFO*>(&header), 70 CreateDIBSection(screen_dc, reinterpret_cast<BITMAPINFO*>(&header),
71 DIB_RGB_COLORS, &bits, NULL, 0); 71 DIB_RGB_COLORS, &bits, NULL, 0);
72 HDC compatible_dc = CreateCompatibleDC(screen_dc); 72 HDC compatible_dc = CreateCompatibleDC(screen_dc);
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95 if (icon.isNull()) { 95 if (icon.isNull()) {
96 button.SetIcon(*ResourceBundle::GetSharedInstance().GetBitmapNamed( 96 button.SetIcon(*ResourceBundle::GetSharedInstance().GetBitmapNamed(
97 IDR_DEFAULT_FAVICON)); 97 IDR_DEFAULT_FAVICON));
98 } else { 98 } else {
99 button.SetIcon(icon); 99 button.SetIcon(icon);
100 } 100 }
101 gfx::Size prefsize = button.GetPreferredSize(); 101 gfx::Size prefsize = button.GetPreferredSize();
102 button.SetBounds(0, 0, prefsize.width(), prefsize.height()); 102 button.SetBounds(0, 0, prefsize.width(), prefsize.height());
103 103
104 // Render the image. 104 // Render the image.
105 ChromeCanvas canvas(prefsize.width(), prefsize.height(), false); 105 gfx::Canvas canvas(prefsize.width(), prefsize.height(), false);
106 button.Paint(&canvas, true); 106 button.Paint(&canvas, true);
107 SetDragImageOnDataObject(canvas, prefsize.width(), prefsize.height(), 107 SetDragImageOnDataObject(canvas, prefsize.width(), prefsize.height(),
108 prefsize.width() / 2, prefsize.height() / 2, 108 prefsize.width() / 2, prefsize.height() / 2,
109 data); 109 data);
110 } 110 }
111 111
112 void CreateDragImageForFile(const std::wstring& file_name, 112 void CreateDragImageForFile(const std::wstring& file_name,
113 SkBitmap* icon, 113 SkBitmap* icon,
114 IDataObject* data_object) { 114 IDataObject* data_object) {
115 DCHECK(icon); 115 DCHECK(icon);
116 DCHECK(data_object); 116 DCHECK(data_object);
117 117
118 // Set up our text portion 118 // Set up our text portion
119 const std::wstring& name = file_util::GetFilenameFromPath(file_name); 119 const std::wstring& name = file_util::GetFilenameFromPath(file_name);
120 ResourceBundle& rb = ResourceBundle::GetSharedInstance(); 120 ResourceBundle& rb = ResourceBundle::GetSharedInstance();
121 gfx::Font font = rb.GetFont(ResourceBundle::BaseFont); 121 gfx::Font font = rb.GetFont(ResourceBundle::BaseFont);
122 122
123 const int width = kFileDragImageMaxWidth; 123 const int width = kFileDragImageMaxWidth;
124 // Add +2 here to allow room for the halo. 124 // Add +2 here to allow room for the halo.
125 const int height = font.height() + icon->height() + 125 const int height = font.height() + icon->height() +
126 kLinkDragImageVPadding + 2; 126 kLinkDragImageVPadding + 2;
127 ChromeCanvas canvas(width, height, false /* translucent */); 127 gfx::Canvas canvas(width, height, false /* translucent */);
128 128
129 // Paint the icon. 129 // Paint the icon.
130 canvas.DrawBitmapInt(*icon, (width - icon->width()) / 2, 0); 130 canvas.DrawBitmapInt(*icon, (width - icon->width()) / 2, 0);
131 131
132 // Paint the file name. We inset it one pixel to allow room for the halo. 132 // Paint the file name. We inset it one pixel to allow room for the halo.
133 canvas.DrawStringWithHalo(name, font, kFileDragImageTextColor, SK_ColorWHITE, 133 canvas.DrawStringWithHalo(name, font, kFileDragImageTextColor, SK_ColorWHITE,
134 1, icon->height() + kLinkDragImageVPadding + 1, 134 1, icon->height() + kLinkDragImageVPadding + 1,
135 width - 2, font.height(), 135 width - 2, font.height(),
136 ChromeCanvas::TEXT_ALIGN_CENTER); 136 gfx::Canvas::TEXT_ALIGN_CENTER);
137 137
138 SetDragImageOnDataObject(canvas, width, height, width / 2, 138 SetDragImageOnDataObject(canvas, width, height, width / 2,
139 kLinkDragImageVPadding, data_object); 139 kLinkDragImageVPadding, data_object);
140 } 140 }
141 141
142 void SetDragImageOnDataObject(const ChromeCanvas& canvas, 142 void SetDragImageOnDataObject(const gfx::Canvas& canvas,
143 int width, 143 int width,
144 int height, 144 int height,
145 int cursor_x_offset, 145 int cursor_x_offset,
146 int cursor_y_offset, 146 int cursor_y_offset,
147 IDataObject* data_object) { 147 IDataObject* data_object) {
148 DCHECK(data_object && width > 0 && height > 0); 148 DCHECK(data_object && width > 0 && height > 0);
149 // SetDragImageOnDataObject(HBITMAP) takes ownership of the bitmap. 149 // SetDragImageOnDataObject(HBITMAP) takes ownership of the bitmap.
150 HBITMAP bitmap = CreateBitmapFromCanvas(canvas, width, height); 150 HBITMAP bitmap = CreateBitmapFromCanvas(canvas, width, height);
151 151
152 // Attach 'bitmap' to the data_object. 152 // Attach 'bitmap' to the data_object.
153 SetDragImageOnDataObject(bitmap, width, height, 153 SetDragImageOnDataObject(bitmap, width, height,
154 cursor_x_offset, 154 cursor_x_offset,
155 cursor_y_offset, 155 cursor_y_offset,
156 data_object); 156 data_object);
157 } 157 }
158 158
159 } // namespace drag_utils 159 } // namespace drag_utils
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