glus_image_tga.h File Reference

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Functions
GLUSAPI GLUSboolean GLUSAPIENTRY	glusImageCreateTga (GLUStgaimage *tgaimage, GLUSint width, GLUSint height, GLUSint depth, GLUSenum format)
	Creates a TGA image. More...
GLUSAPI GLUSboolean GLUSAPIENTRY	glusImageLoadTga (const GLUSchar *filename, GLUStgaimage *tgaimage)
	Loads a TGA file. More...
GLUSAPI GLUSboolean GLUSAPIENTRY	glusImageSaveTga (const GLUSchar *filename, const GLUStgaimage *tgaimage)
	Saves a TGA file. More...
GLUSAPI GLUSvoid GLUSAPIENTRY	glusImageDestroyTga (GLUStgaimage *tgaimage)
	Destroys the content of a TGA structure. More...
GLUSAPI GLUSboolean GLUSAPIENTRY	glusImageSampleTga2D (GLUSubyte rgba[4], const GLUStgaimage *tgaimage, const GLUSfloat st[2])
	Samples a RGBA color value from a TGA 2D image. More...
GLUSAPI GLUSboolean GLUSAPIENTRY	glusImageConvertTga (GLUStgaimage *targetImage, const GLUStgaimage *sourceImage, const GLUSenum targetFormat)
	Converts a TGA image into another color format. More...

Function Documentation

GLUSAPI GLUSboolean GLUSAPIENTRY glusImageConvertTga	(	GLUStgaimage *	targetImage,
		const GLUStgaimage *	sourceImage,
		const GLUSenum	targetFormat
	)

Converts a TGA image into another color format.

Source and target can not be the same.

Parameters

targetImage	The TGA image structure, containing the converted image.
sourceImage	The TGA image structure, which will be converted.
targetFormat	The target format of the image.

Returns

GLUS_TRUE, if conversion succeeded.

GLUSAPI GLUSboolean GLUSAPIENTRY glusImageCreateTga	(	GLUStgaimage *	tgaimage,
		GLUSint	width,
		GLUSint	height,
		GLUSint	depth,
		GLUSenum	format
	)

Creates a TGA image.

Parameters

tgaimage	The structure to fill the TGA data.
width	Width of the image.
height	Height of the image.
depth	Depth of the image.
format	Format of the image.

Returns

GLUS_TRUE, if creating succeeded.

GLUSAPI GLUSvoid GLUSAPIENTRY glusImageDestroyTga

(

GLUStgaimage *

tgaimage

)

Destroys the content of a TGA structure.

Has to be called for freeing the resources.

Parameters

tgaimage

The TGA file structure.

GLUSAPI GLUSboolean GLUSAPIENTRY glusImageLoadTga	(	const GLUSchar *	filename,
		GLUStgaimage *	tgaimage
	)

Loads a TGA file.

Parameters

filename	The name of the file to load.
tgaimage	The structure to fill the TGA data.

Returns

GLUS_TRUE, if loading succeeded.

GLUSAPI GLUSboolean GLUSAPIENTRY glusImageSampleTga2D	(	GLUSubyte	rgba[4],
		const GLUStgaimage *	tgaimage,
		const GLUSfloat	st[2]
	)

Samples a RGBA color value from a TGA 2D image.

Sampling uses a bilinear filter.

Parameters

rgba	The resulting, sampled RGBA color value.
tgaimage	The TGA image structure, containing the 2D texel data.
st	Texture coordinate, where to sample the 2D texture.

Returns

GLUS_TRUE, if sampling succeeded.

GLUSAPI GLUSboolean GLUSAPIENTRY glusImageSaveTga	(	const GLUSchar *	filename,
		const GLUStgaimage *	tgaimage
	)

Saves a TGA file.

Parameters

filename	The name of the file to save.
tgaimage	The structure with the TGA data.

Returns

GLUS_TRUE, if saving succeeded.