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G
gdImageAlpha
gdImageBlue
gdImageColorsTotal
gdImageGetInterlaced
gdImageGetTransparent
gdImageGreen
gdImagePalettePixel
gdImageRed
gdImageResolutionX
gdImageResolutionY
gdImageSX
gdImageSY
gdImageTrueColor
gdImageTrueColorPixel
gdTrueColorAlpha
gdTrueColorGetAlpha
gdTrueColorGetBlue
gdTrueColorGetGreen
gdTrueColorGetRed
Gets the alpha component value of a given color.
Gets the blue component value of a given color.
Gets the number of colors in the palette.
Whether an image is interlaced.
Gets the transparent color of the image.
Gets the green component value of a given color.
Gets the color of a pixel.
Gets the red component value of a given color.
Gets the horizontal resolution in DPI.
Gets the vertical resolution in DPI.
Gets the width (in pixels) of an image.
Gets the height (in pixels) of an image.
Whether an image is a truecolor image.
Gets the color of a pixel.
Compose a truecolor value from its components
Gets the alpha channel value
Gets the blue channel value
Gets the green channel value
Gets the red channel value
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About LibGD 2.
3.0-dev
Image Formats
BMP IO
GD IO
GD2 IO
GIF Input
GIF Output
JPEG IO
PNG IO
TGA Input
TIFF IO
WBMP IO
WebP IO
XBM IO
XPM Input
Color Quantization
Cropping
FreeType font rendering
gd.c
gd.h
gd_filename.c
gd_interpolation.c
gd_io.h
gd_io_dp.c
gd_ss.c
gd_version.c
gdColorMapLookup
gdFree
gdfx.c
gdImageColorMatch
gdImageNeuQuant
gdNewFileCtx
gdNewSSCtx
Image Filters
License
Matrix
Transformations
Built-in Fonts
Giant Font
Large Font
Medium Bold Font
Small Font
Tiny Font
Index
Constants
Everything
Files
Functions
Macros
Types
Everything
Constants
Files
Functions
Macros
Types
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