lib/ewl_histogram.c File Reference

#include "ewl_base.h"
#include "ewl_histogram.h"
#include "ewl_macros.h"
#include "ewl_private.h"
#include "ewl_debug.h"
#include <Evas.h>

Include dependency graph for ewl_histogram.c:


Defines
#define	A_CALC(color) ((color) >> 24)
#define	B_CALC(color) ((color << 24) >> 24)
#define	G_CALC(color) ((color << 16) >> 24)
#define	R_CALC(color) ((color << 8) >> 24)
#define	Y_CALC(color) (((R_CALC(color) * 299) + (G_CALC(color) * 587) + (B_CALC(color) * 114)) / 1000)
Functions
void	ewl_histogram_cb_configure (Ewl_Widget w, void event __UNUSED__, void *data __UNUSED__)
Ewl_Histogram_Channel	ewl_histogram_channel_get (Ewl_Histogram *hist)
	Sets the color channel to graph in the histogram.
void	ewl_histogram_channel_set (Ewl_Histogram *hist, Ewl_Histogram_Channel channel)
	Sets the color channel to graph in the histogram.
void	ewl_histogram_color_get (Ewl_Histogram hist, unsigned int r, unsigned int g, unsigned int b, unsigned int *a)
	Get the current color values for drawing the histogram.
void	ewl_histogram_color_set (Ewl_Histogram *hist, unsigned int r, unsigned int g, unsigned int b, unsigned int a)
	Changes the drawing color of a histogram.
Ewl_Image *	ewl_histogram_image_get (Ewl_Histogram *hist)
	Get the source image used to generate the histogram.
void	ewl_histogram_image_set (Ewl_Histogram hist, Ewl_Image image)
	Change the source image used to generate the histogram.
int	ewl_histogram_init (Ewl_Histogram *hist)
	Initialize a histogram widget to starting values.
Ewl_Widget *	ewl_histogram_new (void)
	Create a new Ewl_Histogram widget.

Define Documentation

#define A_CALC ( color ) ((color) >> 24)

#define B_CALC ( color ) ((color << 24) >> 24)

#define G_CALC ( color ) ((color << 16) >> 24)

#define R_CALC ( color ) ((color << 8) >> 24)

#define Y_CALC ( color ) (((R_CALC(color) * 299) + (G_CALC(color) * 587) + (B_CALC(color) * 114)) / 1000)

void ewl_histogram_cb_configure	(	Ewl_Widget *	w,
		void *event	__UNUSED__,
		void *data	__UNUSED__
	)