PHP's GD library function encyclopedia

GetImageSize

function: Get picture size [that is long and wide] usage: array getimagesize (string filename, array [imageinfo]);

Imagearc

Role: Draw arcs Usage: int imagearc (int im, int cx, int cy, int w, int h, int s, int e, int col);

Imagechar

Role: Write horizontal character usage: int Imagechar (int im, int font, int x, int y, string c, int col);

Imagecharup

Role: Write vertical character usage: int Imagecharup (int im, int font, int x, int y, string c, int col);

Imagecolorallocate

Function: Match color usage: int imagecolorallocate (int im, int red, int green, int blue);

Imagecolortransparent

Function: Specify transparent background color usage: int imagecolortransparent (int im, int [col]);

Imagecopyresized

Role: Copy new Diagram and resize usage: int imagecopyresized (int dst_im, int src_im, int dstx, int dsty, int srcx, int srcy, int dstw, int dsth, I NT SRCW, int srcH);

Imagecreate

Function: Create new diagram usage: int imagecreate (int x_size, int y_size);

Imagedashedline

Role: Draw dotted line usage: int imagedashedline (int im, int x1, int y1, int x2, int y2, int col);

Imagedestroy function: End graphic usage explanation: int Imagedestroy (int im);

Imagefill

Role: Graphical coloring usage: int imagefill (int im, int x, int y, int col);

Imagefilledpolygon function: Polygon Area coloring usage: int imagefilledpolygon (int im, array points, int num_points, int col);

Imagefilledrectangle function: Rectangular area coloring usage: int imagefilledrectangle (int im, int x1, int y1, int x2, int y2, int col);

Imagefilltoborder function: Specify coloring usage in color area: int imagefilltoborder (int im, int x, int y, int border, int col);

Imagefontheight

Function: Get the height usage of the font: int imagefontheight (int font);

Imagefontwidth function: Get the width of the font usage: int imagefontwidth (int font);

Imageinterlace function: Use interlaced display or not usage: int imageinterlace (int im, int [interlace]);

Imageline function: Draw solid line usage: int imageline (int im, int x1, int y1, int x2, int y2, int col);

Imageloadfont function: Load lattice font usage: int imageloadfont (string file);

Imagepolygon function: Draw polygon usage: int imagepolygon (int im, array points, int num_points, int col);

Imagerectangle function: Draw rectangular usage: int imagerectangle (int im, int x1, int y1, int x2, int y2, int col);

Imagesetpixel function: Draw point usage: int imagesetpixel (int im, int x, int y, int col); imagestring function: Draw horizontal string usage: int imagestring (int im, int font, int x, int y, string s, int col);

Imagestringup function: Draw straight string usage: int imagestringup (int im, int font, int x, int y, string s, int col);