glimpse_image.h File Reference

#include <stdint.h>
#include <stdbool.h>

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Classes
struct	GlimpseRawImage

Functions
bool	GlimpseLoadImage (const char *path, GlimpseRawImage *out_img)
void	GlimpseFreeImage (GlimpseRawImage *img)
void	GlimpseFitDimensions (int src_w, int src_h, int max_w, int max_h, int *out_w, int *out_h)
bool	GlimpseResizeImage (const GlimpseRawImage *src, int dst_w, int dst_h, GlimpseRawImage *out_resized)
bool	GlimpseSaveBmp (const char *path, const GlimpseRawImage *img)

Function Documentation

GlimpseFitDimensions()

void GlimpseFitDimensions	(	int	src_w,
		int	src_h,
		int	max_w,
		int	max_h,
		int *	out_w,
		int *	out_h
	)

Compute fitted width and height preserving aspect ratio.

GlimpseFreeImage()

void GlimpseFreeImage

(

GlimpseRawImage *

img

)

Free memory allocated for raw image pixels.

GlimpseLoadImage()

bool GlimpseLoadImage	(	const char *	path,
		GlimpseRawImage *	out_img
	)

Load any supported image format (.jpg, .jpeg, .png, .bmp) into 32-bit RGBA.

GlimpseResizeImage()

bool GlimpseResizeImage	(	const GlimpseRawImage *	src,
		int	dst_w,
		int	dst_h,
		GlimpseRawImage *	out_resized
	)

High-performance integer area-sampling downscale / resize.

GlimpseSaveBmp()

bool GlimpseSaveBmp	(	const char *	path,
		const GlimpseRawImage *	img
	)

Save a 32-bit RGBA image to disk as a standard Chitralekha-compatible BMP file.