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I'm student and I need write presentation about image function, but I'm start learn php in this year, and I'm not too many time to now all function beter, that I ask help, because I want to know what kind of function are Often used, than I don't need look all it.... because I have no time, but I need make this presentation for my clases ;)

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some of my favorites are:

gd_info — Retrieve information about the currently installed GD library

getimagesize — Get the size of an image

image_type_to_extension — Get file extension for image type

image_type_to_mime_type — Get Mime-Type for image-type returned by getimagesize, exif_read_data, exif_thumbnail, exif_imagetype

image2wbmp — Output image to browser or file

imagealphablending — Set the blending mode for an image

imageantialias — Should antialias functions be used or not

imagearc — Draws an arc

imagechar — Draw a character horizontally

imagecharup — Draw a character vertically

imagecolorallocate — Allocate a color for an image

imagecolorallocatealpha — Allocate a color for an image

imagecolorat — Get the index of the color of a pixel

imagecolorclosest — Get the index of the closest color to the specified color

imagecolorclosestalpha — Get the index of the closest color to the specified color + alpha

imagecolorclosesthwb — Get the index of the color which has the hue, white and blackness nearest to the given color

imagecolordeallocate — De-allocate a color for an image

imagecolorexact — Get the index of the specified color

imagecolorexactalpha — Get the index of the specified color + alpha

imagecolormatch — Makes the colors of the palette version of an image more closely match the true color version

imagecolorresolve — Get the index of the specified color or its closest possible alternative

imagecolorresolvealpha — Get the index of the specified color + alpha or its closest possible alternative

imagecolorset — Set the color for the specified palette index

imagecolorsforindex — Get the colors for an index

imagecolorstotal — Find out the number of colors in an image's palette

imagecolortransparent — Define a color as transparent

imageconvolution — Apply a 3x3 convolution matrix, using coefficient and offset

imagecopy — Copy part of an image

imagecopymerge — Copy and merge part of an image

imagecopymergegray — Copy and merge part of an image with gray scale

imagecopyresampled — Copy and resize part of an image with resampling

imagecopyresized — Copy and resize part of an image

imagecreate — Create a new palette based image

imagecreatefromgd2 — Create a new image from GD2 file or URL

imagecreatefromgd2part — Create a new image from a given part of GD2 file or URL

imagecreatefromgd — Create a new image from GD file or URL

imagecreatefromgif — Create a new image from file or URL

imagecreatefromjpeg — Create a new image from file or URL

imagecreatefrompng — Create a new image from file or URL

imagecreatefromstring — Create a new image from the image stream in the string

imagecreatefromwbmp — Create a new image from file or URL

imagecreatefromxbm — Create a new image from file or URL

imagecreatefromxpm — Create a new image from file or URL

imagecreatetruecolor — Create a new true color image

imagedashedline — Draw a dashed line

imagedestroy — Destroy an image

imageellipse — Draw an ellipse

imagefill — Flood fill

imagefilledarc — Draw a partial ellipse and fill it

imagefilledellipse — Draw a filled ellipse

imagefilledpolygon — Draw a filled polygon

imagefilledrectangle — Draw a filled rectangle

imagefilltoborder — Flood fill to specific color

imagefilter — Applies a filter to an image

imagefontheight — Get font height

imagefontwidth — Get font width

imageftbbox — Give the bounding box of a text using fonts via freetype2

imagefttext — Write text to the image using fonts using FreeType 2

imagegammacorrect — Apply a gamma correction to a GD image

imagegd2 — Output GD2 image to browser or file

imagegd — Output GD image to browser or file

imagegif — Output image to browser or file

imagegrabscreen — Captures the whole screen

imagegrabwindow — Captures a window

imageinterlace — Enable or disable interlace

imageistruecolor — Finds whether an image is a truecolor image

imagejpeg — Output image to browser or file

imagelayereffect — Set the alpha blending flag to use the bundled libgd layering effects

imageline — Draw a line

imageloadfont — Load a new font

imagepalettecopy — Copy the palette from one image to another

imagepng — Output a PNG image to either the browser or a file

imagepolygon — Draws a polygon

imagepsbbox — Give the bounding box of a text rectangle using PostScript Type1 fonts

imagepsencodefont — Change the character encoding vector of a font

imagepsextendfont — Extend or condense a font

imagepsfreefont — Free memory used by a PostScript Type 1 font

imagepsloadfont — Load a PostScript Type 1 font from file

imagepsslantfont — Slant a font

imagepstext — Draws a text over an image using PostScript Type1 fonts

imagerectangle — Draw a rectangle

imagerotate — Rotate an image with a given angle

imagesavealpha — Set the flag to save full alpha channel information (as opposed to single-color transparency) when saving PNG images

imagesetbrush — Set the brush image for line drawing

imagesetpixel — Set a single pixel

imagesetstyle — Set the style for line drawing

imagesetthickness — Set the thickness for line drawing

imagesettile — Set the tile image for filling

imagestring — Draw a string horizontally

imagestringup — Draw a string vertically

imagesx — Get image width

imagesy — Get image height

imagetruecolortopalette — Convert a true color image to a palette image

imagettfbbox — Give the bounding box of a text using TrueType fonts

imagettftext — Write text to the image using TrueType fonts

imagetypes — Return the image types supported by this PHP build

imagewbmp — Output image to browser or file

imagexbm — Output XBM image to browser or file

iptcembed — Embed binary IPTC data into a JPEG image

iptcparse — Parse a binary IPTC block into single tags.

jpeg2wbmp — Convert JPEG image file to WBMP image file

png2wbmp — Convert PNG image file to WBMP image file

 

;D

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