HP b2600 Reference Guide

S
gluScaleImage
Chapter 17
394
gluScaleImage
gluScaleImage: scale an image to an arbitrary size.
C Specification
GLint gluScaleImage(
GLenum format,
GLsizei wIn,
GLsizei hIn,
GLenum typeIn,
const void *dataIn,
GLsizei wOut,
GLsizei hOut,
GLenum typeOut,
GLvoid* dataOut)
Parameters
format Specifies the format of the pixel data. The following symbolic values
are valid: GL_COLOR_INDEX, GL_STENCIL_INDEX,
GL_DEPTH_COMPONENT, GL_RED, GL_GREEN, GL_BLUE,
GL_ALPHA, GL_RGB, GL_RGBA, GL_LUMINANCE, and
GL_LUMINANCE_ALPHA.
wIn, hIn Specify the width and height, respectively, of the source image that is
scaled.
typeIn Specifies the data type for dataIn. Must be one of
GL_UNSIGNED_BYTE, GL_BYTE, GL_BITMAP,
GL_UNSIGNED_SHORT, GL_SHORT, GL_UNSIGNED_INT,
GL_INT, or GL_FLOAT.
dataIn Specifies a pointer to the source image.
wOut, hOut Specify the width and height, respectively, of the destination image.
typeOut Specifies the data type for dataOut. Must be one of
GL_UNSIGNED_BYTE, GL_BYTE, GL_BITMAP,
GL_UNSIGNED_SHORT, GL_SHORT, GL_UNSIGNED_INT,
GL_INT, or GL_FLOAT.
dataOut Specifies a pointer to the destination image.
Description
gluScaleImage scales a pixel image using the appropriate pixel store modes to unpack
data from the source image and pack data into the destination image.
When shrinking an image, gluScaleImage uses a box filter to sample the source image
and create pixels for the destination image. When an image is magnified, the pixels from
the source image are linearly interpolated to create the destination image.

HP b2600 Specifications

General

Brand	HP
Model	b2600
Category	Desktop
Language	English