The document handle, returned by cpdf_open().
The path to the image file. The format of the image has to be
The x-coordinate of the image
The y-coordinate of the image
The image rotation angle, in degrees
The image width
The image height
Should be non-zero to allow this function to operate correctly
The optional parameter mode determines the unit length. If it is 0 or omitted the default unit as specified for the page is used. Otherwise the coordinates are measured in postscript points disregarding the current unit.