gifalloc.c File Reference

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "gif_lib.h"

Go to the source code of this file.

Defines
#define	MAX(x, y)   (((x) > (y)) ? (x) : (y))
Functions
int	BitSize (int n)
ColorMapObject *	MakeMapObject (int ColorCount, const GifColorType *ColorMap)
void	FreeMapObject (ColorMapObject *Object)
ColorMapObject *	UnionColorMap (const ColorMapObject *ColorIn1, const ColorMapObject *ColorIn2, GifPixelType ColorTransIn2[])
void	ApplyTranslation (SavedImage *Image, GifPixelType Translation[])
void	MakeExtension (SavedImage *New, int Function)
int	AddExtensionBlock (SavedImage *New, int Len, char ExtData[])
void	FreeExtension (SavedImage *Image)
SavedImage *	MakeSavedImage (GifFileType *GifFile, const SavedImage *CopyFrom)
void	FreeSavedImages (GifFileType *GifFile)

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Define Documentation

#define MAX	(	x,
		y		)	(((x) > (y)) ? (x) : (y))

Definition at line 22 of file gifalloc.c.

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Function Documentation

int AddExtensionBlock	(	SavedImage *	New,
		int	Len,
		char	ExtData[]
	)

Definition at line 219 of file gifalloc.c.

References ExtensionBlock::ByteCount, ExtensionBlock::Bytes, SavedImage::ExtensionBlockCount, SavedImage::ExtensionBlocks, ExtensionBlock::Function, SavedImage::Function, GIF_ERROR, GIF_OK, malloc(), NULL, and realloc().

Referenced by get_gif_saved_images().

void ApplyTranslation	(	SavedImage *	Image,
		GifPixelType	Translation[]
	)

Definition at line 195 of file gifalloc.c.

References GifImageDesc::Height, SavedImage::ImageDesc, SavedImage::RasterBits, and GifImageDesc::Width.

int BitSize

(

int

n

)

Definition at line 28 of file gifalloc.c.

References i.

Referenced by MakeMapObject(), and UnionColorMap().

void FreeExtension

(

SavedImage *

Image

)

Definition at line 246 of file gifalloc.c.

References ExtensionBlock::Bytes, SavedImage::ExtensionBlockCount, SavedImage::ExtensionBlocks, free(), NULL, and void.

Referenced by free_gif_saved_image(), and FreeSavedImages().

void FreeMapObject

(

ColorMapObject *

Object

)

Definition at line 73 of file gifalloc.c.

References free(), and Reflex::Dummy::Object().

Referenced by ASImage2gif(), DGifCloseFile(), DGifGetImageDesc(), EGifCloseFile(), free_gif_saved_image(), FreeSavedImages(), and UnionColorMap().

void FreeSavedImages

(

GifFileType *

GifFile

)

Definition at line 329 of file gifalloc.c.

References GifImageDesc::ColorMap, SavedImage::ExtensionBlocks, free(), FreeExtension(), FreeMapObject(), GifFileType::ImageCount, SavedImage::ImageDesc, SavedImage::RasterBits, and GifFileType::SavedImages.

Referenced by DGifCloseFile().

void MakeExtension	(	SavedImage *	New,
		int	Function
	)

Definition at line 211 of file gifalloc.c.

References SavedImage::Function.

ColorMapObject* MakeMapObject	(	int	ColorCount,
		const GifColorType *	ColorMap
	)

Definition at line 44 of file gifalloc.c.

References BitSize(), calloc(), malloc(), NULL, and Reflex::Dummy::Object().

Referenced by ASImage2gif(), DGifGetImageDesc(), DGifGetScreenDesc(), EGifPutImageDesc(), EGifPutScreenDesc(), get_gif_image_desc(), MakeSavedImage(), and UnionColorMap().

SavedImage* MakeSavedImage	(	GifFileType *	GifFile,
		const SavedImage *	CopyFrom
	)

Definition at line 261 of file gifalloc.c.

References ColorMapObject::ColorCount, GifImageDesc::ColorMap, ColorMapObject::Colors, SavedImage::ExtensionBlockCount, SavedImage::ExtensionBlocks, GifImageDesc::Height, GifFileType::ImageCount, SavedImage::ImageDesc, MakeMapObject(), malloc(), NULL, SavedImage::RasterBits, realloc(), GifFileType::SavedImages, and GifImageDesc::Width.

ColorMapObject* UnionColorMap	(	const ColorMapObject *	ColorIn1,
		const ColorMapObject *	ColorIn2,
		GifPixelType	ColorTransIn2[]
	)

Definition at line 103 of file gifalloc.c.

References BitSize(), ColorMapObject::BitsPerPixel, ColorMapObject::ColorCount, ColorMapObject::Colors, for(), FreeMapObject(), GifColorType::Green, if(), MakeMapObject(), MAX, NULL, realloc(), and GifColorType::Red.

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