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eda-tools/eeshow/gfx.c

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2016-08-02 17:00:08 +03:00
/*
* gfx.c - Generate graphical output for Eeschema items
*
* 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.
*/
#include <stdbool.h>
#include "style.h"
#include "text.h"
#include "gfx.h"
void *gfx_ctx;
static const struct gfx_ops *gfx_ops;
void gfx_line(int sx, int sy, int ex, int ey, int color, unsigned layer)
{
if (gfx_ops->line) {
gfx_ops->line(gfx_ctx, sx, sy, ex, ey, color, layer);
return;
}
int vx[] = { sx, ex };
int vy[] = { sy, ey };
gfx_poly(2, vx, vy, color, COLOR_NONE, layer);
}
void gfx_rect(int sx, int sy, int ex, int ey,
int color, int fill_color, unsigned layer)
{
if (gfx_ops->rect) {
gfx_ops->rect(gfx_ctx, sx, sy, ex, ey,
color, fill_color, layer);
return;
}
int vx[] = { sx, ex, ex, sx, sx };
int vy[] = { sy, sy, ey, ey, sy };
gfx_poly(5, vx, vy, color, fill_color, layer);
}
void gfx_poly(int points, const int x[points], const int y[points],
int color, int fill_color, unsigned layer)
{
gfx_ops->poly(gfx_ctx, points, x, y, color, fill_color, layer);
}
void gfx_circ(int x, int y, int r, int color, int fill_color, unsigned layer)
{
gfx_ops->circ(gfx_ctx, x, y, r, color, fill_color, layer);
}
void gfx_arc(int x, int y, int r, int sa, int ea,
int color, int fill_color, unsigned layer)
{
gfx_ops->arc(gfx_ctx, x, y, r, sa, ea, color, fill_color, layer);
}
void gfx_text(int x, int y, const char *s, unsigned size,
enum text_align align, int rot, unsigned color, unsigned layer)
{
gfx_ops->text(gfx_ctx, x, y, s, size, align, rot, color, layer);
}
void gfx_tag(const char *s,
unsigned points, const int x[points], int const y[points])
{
if (gfx_ops->tag)
gfx_ops->tag(gfx_ctx, s, points, x, y);
}
unsigned gfx_text_width(const char *s, unsigned size)
{
return gfx_ops->text_width(gfx_ctx, s, size);
}
void gfx_init(const struct gfx_ops *ops, int argc, char *const *argv)
{
gfx_ctx = ops->init(argc, argv);
gfx_ops = ops;
}
void gfx_new_sheet(void)
{
if (gfx_ops->new_sheet)
gfx_ops->new_sheet(gfx_ctx);
}
bool gfx_multi_sheet(void)
{
return !!gfx_ops->new_sheet;
}
void gfx_end(void)
{
if (gfx_ops->end)
gfx_ops->end(gfx_ctx);
}