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eda-tools/eeshow/gfx/diff.h
2016-08-20 08:26:01 -03:00

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923 B
C

/*
* gfx/diff.h - Schematics difference
*
* Written 2016 by Werner Almesberger
* Copyright 2016 by Werner Almesberger
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#ifndef GFX_DIFF_H
#define GFX_DIFF_H
#include <stdint.h>
#include <cairo/cairo.h>
#include "gfx/gfx.h"
#include "gfx/cro.h"
extern const struct gfx_ops diff_ops;
struct area {
int xa, ya, xb, yb;
uint32_t color;
struct area *next;
};
void add_area(struct area **areas, int xa, int ya, int xb, int yb,
uint32_t color);
void free_areas(struct area **areas);
void diff_to_canvas(cairo_t *cr, int cx, int cy, float scale,
struct cro_ctx *old, struct cro_ctx *new,
const struct area *areas);
#endif /* !GFX_DIFF_H */