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https://bitbucket.org/chromiumembedded/cef
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207 lines
8.2 KiB
C
207 lines
8.2 KiB
C
// Copyright (c) 2024 Marshall A. Greenblatt. All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the name Chromium Embedded
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// Framework nor the names of its contributors may be used to endorse
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// or promote products derived from this software without specific prior
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// written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// ---------------------------------------------------------------------------
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//
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// This file was generated by the CEF translator tool and should not edited
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// by hand. See the translator.README.txt file in the tools directory for
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// more information.
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//
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// $hash=7512ccf755017d5b1866b753890b498e8163006d$
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//
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#ifndef CEF_INCLUDE_CAPI_CEF_IMAGE_CAPI_H_
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#define CEF_INCLUDE_CAPI_CEF_IMAGE_CAPI_H_
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#pragma once
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#include "include/capi/cef_base_capi.h"
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#include "include/capi/cef_values_capi.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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///
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/// Container for a single image represented at different scale factors. All
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/// image representations should be the same size in density independent pixel
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/// (DIP) units. For example, if the image at scale factor 1.0 is 100x100 pixels
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/// then the image at scale factor 2.0 should be 200x200 pixels -- both images
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/// will display with a DIP size of 100x100 units. The functions of this
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/// structure can be called on any browser process thread.
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///
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typedef struct _cef_image_t {
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///
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/// Base structure.
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///
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cef_base_ref_counted_t base;
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///
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/// Returns true (1) if this Image is NULL.
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///
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int(CEF_CALLBACK* is_empty)(struct _cef_image_t* self);
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///
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/// Returns true (1) if this Image and |that| Image share the same underlying
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/// storage. Will also return true (1) if both images are NULL.
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///
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int(CEF_CALLBACK* is_same)(struct _cef_image_t* self,
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struct _cef_image_t* that);
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///
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/// Add a bitmap image representation for |scale_factor|. Only 32-bit
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/// RGBA/BGRA formats are supported. |pixel_width| and |pixel_height| are the
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/// bitmap representation size in pixel coordinates. |pixel_data| is the array
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/// of pixel data and should be |pixel_width| x |pixel_height| x 4 bytes in
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/// size. |color_type| and |alpha_type| values specify the pixel format.
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///
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int(CEF_CALLBACK* add_bitmap)(struct _cef_image_t* self,
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float scale_factor,
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int pixel_width,
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int pixel_height,
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cef_color_type_t color_type,
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cef_alpha_type_t alpha_type,
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const void* pixel_data,
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size_t pixel_data_size);
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///
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/// Add a PNG image representation for |scale_factor|. |png_data| is the image
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/// data of size |png_data_size|. Any alpha transparency in the PNG data will
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/// be maintained.
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///
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int(CEF_CALLBACK* add_png)(struct _cef_image_t* self,
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float scale_factor,
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const void* png_data,
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size_t png_data_size);
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///
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/// Create a JPEG image representation for |scale_factor|. |jpeg_data| is the
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/// image data of size |jpeg_data_size|. The JPEG format does not support
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/// transparency so the alpha byte will be set to 0xFF for all pixels.
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///
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int(CEF_CALLBACK* add_jpeg)(struct _cef_image_t* self,
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float scale_factor,
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const void* jpeg_data,
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size_t jpeg_data_size);
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///
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/// Returns the image width in density independent pixel (DIP) units.
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///
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size_t(CEF_CALLBACK* get_width)(struct _cef_image_t* self);
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///
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/// Returns the image height in density independent pixel (DIP) units.
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///
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size_t(CEF_CALLBACK* get_height)(struct _cef_image_t* self);
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///
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/// Returns true (1) if this image contains a representation for
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/// |scale_factor|.
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///
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int(CEF_CALLBACK* has_representation)(struct _cef_image_t* self,
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float scale_factor);
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///
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/// Removes the representation for |scale_factor|. Returns true (1) on
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/// success.
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///
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int(CEF_CALLBACK* remove_representation)(struct _cef_image_t* self,
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float scale_factor);
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///
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/// Returns information for the representation that most closely matches
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/// |scale_factor|. |actual_scale_factor| is the actual scale factor for the
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/// representation. |pixel_width| and |pixel_height| are the representation
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/// size in pixel coordinates. Returns true (1) on success.
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///
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int(CEF_CALLBACK* get_representation_info)(struct _cef_image_t* self,
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float scale_factor,
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float* actual_scale_factor,
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int* pixel_width,
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int* pixel_height);
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///
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/// Returns the bitmap representation that most closely matches
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/// |scale_factor|. Only 32-bit RGBA/BGRA formats are supported. |color_type|
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/// and |alpha_type| values specify the desired output pixel format.
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/// |pixel_width| and |pixel_height| are the output representation size in
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/// pixel coordinates. Returns a cef_binary_value_t containing the pixel data
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/// on success or NULL on failure.
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///
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struct _cef_binary_value_t*(CEF_CALLBACK* get_as_bitmap)(
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struct _cef_image_t* self,
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float scale_factor,
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cef_color_type_t color_type,
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cef_alpha_type_t alpha_type,
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int* pixel_width,
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int* pixel_height);
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///
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/// Returns the PNG representation that most closely matches |scale_factor|.
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/// If |with_transparency| is true (1) any alpha transparency in the image
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/// will be represented in the resulting PNG data. |pixel_width| and
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/// |pixel_height| are the output representation size in pixel coordinates.
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/// Returns a cef_binary_value_t containing the PNG image data on success or
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/// NULL on failure.
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///
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struct _cef_binary_value_t*(CEF_CALLBACK* get_as_png)(
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struct _cef_image_t* self,
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float scale_factor,
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int with_transparency,
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int* pixel_width,
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int* pixel_height);
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///
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/// Returns the JPEG representation that most closely matches |scale_factor|.
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/// |quality| determines the compression level with 0 == lowest and 100 ==
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/// highest. The JPEG format does not support alpha transparency and the alpha
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/// channel, if any, will be discarded. |pixel_width| and |pixel_height| are
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/// the output representation size in pixel coordinates. Returns a
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/// cef_binary_value_t containing the JPEG image data on success or NULL on
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/// failure.
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///
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struct _cef_binary_value_t*(CEF_CALLBACK* get_as_jpeg)(
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struct _cef_image_t* self,
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float scale_factor,
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int quality,
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int* pixel_width,
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int* pixel_height);
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} cef_image_t;
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///
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/// Create a new cef_image_t. It will initially be NULL. Use the Add*()
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/// functions to add representations at different scale factors.
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///
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CEF_EXPORT cef_image_t* cef_image_create(void);
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#ifdef __cplusplus
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}
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#endif
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#endif // CEF_INCLUDE_CAPI_CEF_IMAGE_CAPI_H_
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