{{ message }}
forked from cztomczak/cefpython
-
Notifications
You must be signed in to change notification settings - Fork 2
Expand file tree
/
Copy pathcef_image.h
More file actions
192 lines (175 loc) · 7.87 KB
/
Copy pathcef_image.h
File metadata and controls
192 lines (175 loc) · 7.87 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
// Copyright (c) 2016 Marshall A. Greenblatt. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the name Chromium Embedded
// Framework nor the names of its contributors may be used to endorse
// or promote products derived from this software without specific prior
// written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// ---------------------------------------------------------------------------
//
// The contents of this file must follow a specific format in order to
// support the CEF translator tool. See the translator.README.txt file in the
// tools directory for more information.
//
#ifndef CEF_INCLUDE_CEF_IMAGE_H_
#define CEF_INCLUDE_CEF_IMAGE_H_
#pragma once
#include "include/cef_base.h"
#include "include/cef_values.h"
///
/// Container for a single image represented at different scale factors. All
/// image representations should be the same size in density independent pixel
/// (DIP) units. For example, if the image at scale factor 1.0 is 100x100 pixels
/// then the image at scale factor 2.0 should be 200x200 pixels -- both images
/// will display with a DIP size of 100x100 units. The methods of this class can
/// be called on any browser process thread.
///
/*--cef(source=library)--*/
class CefImage : public virtual CefBaseRefCounted {
public:
///
/// Create a new CefImage. It will initially be empty. Use the Add*() methods
/// to add representations at different scale factors.
///
/*--cef()--*/
static CefRefPtr<CefImage> CreateImage();
///
/// Returns true if this Image is empty.
///
/*--cef()--*/
virtual bool IsEmpty() = 0;
///
/// Returns true if this Image and |that| Image share the same underlying
/// storage. Will also return true if both images are empty.
///
/*--cef()--*/
virtual bool IsSame(CefRefPtr<CefImage> that) = 0;
///
/// Add a bitmap image representation for |scale_factor|. Only 32-bit
/// RGBA/BGRA formats are supported. |pixel_width| and |pixel_height| are the
/// bitmap representation size in pixel coordinates. |pixel_data| is the array
/// of pixel data and should be |pixel_width| x |pixel_height| x 4 bytes in
/// size. |color_type| and |alpha_type| values specify the pixel format.
///
/*--cef()--*/
virtual bool AddBitmap(float scale_factor,
int pixel_width,
int pixel_height,
cef_color_type_t color_type,
cef_alpha_type_t alpha_type,
const void* pixel_data,
size_t pixel_data_size) = 0;
///
/// Add a PNG image representation for |scale_factor|. |png_data| is the image
/// data of size |png_data_size|. Any alpha transparency in the PNG data will
/// be maintained.
///
/*--cef()--*/
virtual bool AddPNG(float scale_factor,
const void* png_data,
size_t png_data_size) = 0;
///
/// Create a JPEG image representation for |scale_factor|. |jpeg_data| is the
/// image data of size |jpeg_data_size|. The JPEG format does not support
/// transparency so the alpha byte will be set to 0xFF for all pixels.
///
/*--cef()--*/
virtual bool AddJPEG(float scale_factor,
const void* jpeg_data,
size_t jpeg_data_size) = 0;
///
/// Returns the image width in density independent pixel (DIP) units.
///
/*--cef()--*/
virtual size_t GetWidth() = 0;
///
/// Returns the image height in density independent pixel (DIP) units.
///
/*--cef()--*/
virtual size_t GetHeight() = 0;
///
/// Returns true if this image contains a representation for |scale_factor|.
///
/*--cef()--*/
virtual bool HasRepresentation(float scale_factor) = 0;
///
/// Removes the representation for |scale_factor|. Returns true on success.
///
/*--cef()--*/
virtual bool RemoveRepresentation(float scale_factor) = 0;
///
/// Returns information for the representation that most closely matches
/// |scale_factor|. |actual_scale_factor| is the actual scale factor for the
/// representation. |pixel_width| and |pixel_height| are the representation
/// size in pixel coordinates. Returns true on success.
///
/*--cef()--*/
virtual bool GetRepresentationInfo(float scale_factor,
float& actual_scale_factor,
int& pixel_width,
int& pixel_height) = 0;
///
/// Returns the bitmap representation that most closely matches
/// |scale_factor|. Only 32-bit RGBA/BGRA formats are supported. |color_type|
/// and |alpha_type| values specify the desired output pixel format.
/// |pixel_width| and |pixel_height| are the output representation size in
/// pixel coordinates. Returns a CefBinaryValue containing the pixel data on
/// success or NULL on failure.
///
/*--cef()--*/
virtual CefRefPtr<CefBinaryValue> GetAsBitmap(float scale_factor,
cef_color_type_t color_type,
cef_alpha_type_t alpha_type,
int& pixel_width,
int& pixel_height) = 0;
///
/// Returns the PNG representation that most closely matches |scale_factor|.
/// If |with_transparency| is true any alpha transparency in the image will be
/// represented in the resulting PNG data. |pixel_width| and |pixel_height|
/// are the output representation size in pixel coordinates. Returns a
/// CefBinaryValue containing the PNG image data on success or NULL on
/// failure.
///
/*--cef()--*/
virtual CefRefPtr<CefBinaryValue> GetAsPNG(float scale_factor,
bool with_transparency,
int& pixel_width,
int& pixel_height) = 0;
///
/// Returns the JPEG representation that most closely matches |scale_factor|.
/// |quality| determines the compression level with 0 == lowest and 100 ==
/// highest. The JPEG format does not support alpha transparency and the alpha
/// channel, if any, will be discarded. |pixel_width| and |pixel_height| are
/// the output representation size in pixel coordinates. Returns a
/// CefBinaryValue containing the JPEG image data on success or NULL on
/// failure.
///
/*--cef()--*/
virtual CefRefPtr<CefBinaryValue> GetAsJPEG(float scale_factor,
int quality,
int& pixel_width,
int& pixel_height) = 0;
};
#endif // CEF_INCLUDE_CEF_IMAGE_H_
You can’t perform that action at this time.