Summary Overview of PHP Graphics Processing Functions_PHP Tutorial

getimagesize: Get the length and width of the image.
imagearc: Draw arc.
imagechar: Write horizontal characters.
imagecharup: Write straight characters.
imagecolorallocate: Match color.
imagecolortransparent: Specify a transparent background color.
imagecopyresized: Copy a new image and resize it.
imagecreate: Create a new image.
imagedashedline: Draw a dashed line.
imagedestroy: End the image.
imagefill: Graphic coloring.
imagefilledpolygon: Polygon area coloring.
imagefilledrectangle: Rectangular area coloring.
imagefilltoborder: Color within the specified color area.
imagefontheight: Get the height of the font.
imagefontwidth: This PHP graphics processing function gets the width of the font.
imageinterlace: Whether to use interlaced display or not.
imageline: Draw a solid line.
imageloadfont: Load bitmap font.
imagepolygon: Draw polygons.
imagerectangle: Draw a rectangle.
imagesetpixel: draw points.
imagestring: Draw horizontal string.
imagestringup: Draw straight strings.
imagesx: Get the width of the image.
imagesy: Get the height of the image.
imagettfbbox: Calculate the area occupied by ttf text.
imagettftext: Write ttf text into the image.
imagecolorat: This PHP graphics processing function obtains the index value of the color of the specified point in the image.
imagecolorclosest: Calculate the closest color to the specified color in the color table.
imagecolorexact: Calculate the specified color index value on the color table.
imagecolorresolve: Calculate the index value of the specified or closest color on the color table.
imagecolorset: Configure the color of the specified index on the color table.
imagecolorsforindex: Get the color of the specified index on the color table.
imagecolorstotal: Calculate the number of colors in the image.
imagepsloadfont: Load postscript font.
imagepsfreefont: Remove postscript fonts.
imagepsencodefont: convert postscript fonts into vector fonts.
imagepstext: Write postscript text to the image.
imagepsbbox: Calculate the area occupied by postscript text.
imagecreatefrompng: Take out png graphics.
imagepng: Create png graphics.
imagecreatefromgif: Take out the gif graphic.
imagegif: Create gif graphics.

The above list is all types of PHP graphics processing functions.