Contains various functions for manipulating images
unknown tangra_create_image_resource_from_file( string $image_file )
Creates image resource from image file
Detects the image format and returns image resource. On error returns &false;
resource tangra_image_resize_to_fixed_size_no_stretch( resource $source_img_rsrc, integet $dest_size_x, integet $dest_size_y, [boolean $center_size_x = true], [boolean $center_size_y = true], [integet $bg_red = 255], [integet $bg_green = 255], [integet $bg_blue = 255] )
Resizes image to given size. If ratio is different - paddes the image with background
resource tangra_image_resize_to_max_x_or_y( resource $source_img_rsrc, integer $dest_size_x, integer $dest_size_y )
Resizes image to maximum width or height, keeping the x/y ratio
