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panda/src/gobj/texture.cxx File Reference

#include "pandabase.h"
#include "texture.h"
#include "config_gobj.h"
#include "texturePool.h"
#include "textureContext.h"
#include "datagram.h"
#include "datagramIterator.h"
#include "bamReader.h"
#include "bamWriter.h"
#include "string_utils.h"
#include <stddef.h>

Go to the source code of this file.

Functions
int	up_to_power_2 (int value)
	Returns the smallest power of 2 greater than or equal to value.
int	down_to_power_2 (int value)
	Returns the largest power of 2 less than or equal to value.
void	consider_rescale (PNMImage &pnmimage, const string &name)
	Scales the PNMImage according to the whims of the Configrc file.
void	consider_downgrade (PNMImage &pnmimage, int num_channels, const string &name)
	Reduces the number of channels in the texture, if necessary, according to num_channels.

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Detailed Description

Definition in file texture.cxx.

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Function Documentation

void consider_downgrade (  PNMImage &  pnmimage, int  num_channels, const string &  name )  [static]

Reduces the number of channels in the texture, if necessary, according to num_channels. Definition at line 131 of file texture.cxx. References Colorf.

void consider_rescale (  PNMImage &  pnmimage, const string &  name )  [static]

Scales the PNMImage according to the whims of the Configrc file. Definition at line 84 of file texture.cxx. Referenced by Texture::read().

int down_to_power_2 (  int  value  )  [static]

Returns the largest power of 2 less than or equal to value. Definition at line 66 of file texture.cxx. References PNMImageHeader::get_x_size(), PNMImageHeader::get_y_size(), and up_to_power_2().

int up_to_power_2 (  int  value  )  [static]

Returns the smallest power of 2 greater than or equal to value. Definition at line 48 of file texture.cxx. References x. Referenced by down_to_power_2().

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