scale_reg.c File Reference

This tests a number of scaling operations, through the pixScale() interface. More...

#include "allheaders.h"

Go to the source code of this file.

Functions
static void	AddScaledImages (PIXA *pixa, const char *fname, l_int32 width)
static void	PixSave32 (PIXA *pixa, PIX *pixc)
static void	PixaSaveDisplay (PIXA *pixa, L_REGPARAMS *rp)
	main (int argc, char **argv)
Variables
static const char *	image [10]
static const l_int32	SPACE = 30
static const l_int32	WIDTH = 300
static const l_float32	FACTOR [5] = {2.3, 1.5, 1.1, 0.6, 0.3}

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Detailed Description

This tests a number of scaling operations, through the pixScale() interface.

Definition in file scale_reg.c.

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Function Documentation

static void AddScaledImages	(	PIXA *	pixa,
		const char *	fname,
		l_int32	width
	)		[static]

Definition at line 236 of file scale_reg.c.

References FACTOR, pixConvertTo32(), pixDestroy(), pixGetWidth(), pixRead(), pixSaveTiled(), pixScale(), and SPACE.

Referenced by main().

static void PixSave32	(	PIXA *	pixa,
		PIX *	pixc
	)		[static]

Definition at line 264 of file scale_reg.c.

References pixConvertTo32(), pixDestroy(), pixSaveTiled(), and SPACE.

Referenced by main().

static void PixaSaveDisplay	(	PIXA *	pixa,
		L_REGPARAMS *	rp
	)		[static]

Definition at line 275 of file scale_reg.c.

References L_RegParams::display, IFF_JFIF_JPEG, NULL, pixaDestroy(), pixaDisplay(), pixDestroy(), pixDisplayWithTitle(), and regTestWritePixAndCheck().

Referenced by main().

main	(	int	argc,
		char **	argv
	)

Definition at line 46 of file scale_reg.c.

References AddScaledImages(), IFF_JFIF_JPEG, IFF_PNG, image, pixaCreate(), PixaSaveDisplay(), pixDestroy(), pixRead(), PixSave32(), pixSaveTiled(), pixScale(), pixScaleToGray16(), pixScaleToGray3(), pixScaleToGray4(), pixScaleToGray6(), pixScaleToGray8(), regTestCleanup(), regTestSetup(), regTestWritePixAndCheck(), SPACE, and WIDTH.

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Variable Documentation

const char* image[10] [static]

Initial value:

 {"feyn.tif",         
                                "weasel2.png",      
                                "weasel2.4c.png",   
                                "weasel4.png",      
                                "weasel4.16c.png",  
                                "weasel8.png",      
                                "weasel8.240c.png", 
                                "test16.png",       
                                "marge.jpg",        
                                "test24.jpg"}

Definition at line 25 of file scale_reg.c.

Referenced by main().

const l_int32 SPACE = 30 [static]

Definition at line 37 of file scale_reg.c.

Referenced by AddScaledImages(), main(), and PixSave32().

const l_int32 WIDTH = 300 [static]

Definition at line 38 of file scale_reg.c.

Referenced by main().

const l_float32 FACTOR[5] = {2.3, 1.5, 1.1, 0.6, 0.3} [static]

Definition at line 39 of file scale_reg.c.

Referenced by AddScaledImages().