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.
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.
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.
Base structure.
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 cef_binary_value_t containing the pixel data on success or NULL on failure.
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 cef_binary_value_t containing the JPEG image data on success or NULL on failure.
Returns the PNG representation that most closely matches |scale_factor|. If |with_transparency| is true (1) 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 cef_binary_value_t containing the PNG image data on success or NULL on failure.
Returns the image height in density independent pixel (DIP) units.
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 (1) on success.
Returns the image width in density independent pixel (DIP) units.
Returns true (1) if this image contains a representation for |scale_factor|.
Removes the representation for |scale_factor|. Returns true (1) on success.
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 functions of this structure can be called on any browser process thread.