* Split main.c into main.c/render.c/filters.c.
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6 changed files with 248 additions and 180 deletions
88
src/render.c
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88
src/render.c
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/*
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* TOIlet The Other Implementation’s letters
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* Copyright (c) 2006 Sam Hocevar <sam@zoy.org>
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* All Rights Reserved
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*
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* $Id$
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the Do What The Fuck You Want To
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* Public License, Version 2, as published by Sam Hocevar. See
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* http://sam.zoy.org/wtfpl/COPYING for more details.
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*/
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#include "config.h"
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#if defined(HAVE_INTTYPES_H)
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# include <inttypes.h>
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#endif
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#include <stdlib.h>
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#include <cucul.h>
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#include "render.h"
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cucul_canvas_t *render_big(uint32_t const *string, unsigned int length)
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{
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cucul_canvas_t *cv;
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cucul_font_t *f;
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char const * const * fonts;
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unsigned char *buf;
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unsigned int w, h, x, y, miny, maxy;
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cv = cucul_create_canvas(length, 1);
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for(x = 0; x < length; x++)
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cucul_putchar(cv, x, 0, string[x]);
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fonts = cucul_get_font_list();
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f = cucul_load_font(fonts[0], 0);
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/* Create our bitmap buffer (32-bit ARGB) */
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w = cucul_get_canvas_width(cv) * cucul_get_font_width(f);
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h = cucul_get_canvas_height(cv) * cucul_get_font_height(f);
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buf = malloc(4 * w * h);
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/* Render the canvas onto our image buffer */
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cucul_render_canvas(cv, f, buf, w, h, 4 * w);
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/* Free our canvas, and allocate a bigger one */
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cucul_free_font(f);
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cucul_free_canvas(cv);
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cv = cucul_create_canvas(w, h);
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/* Render the image buffer on the canvas */
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cucul_set_color(cv, CUCUL_COLOR_WHITE, CUCUL_COLOR_TRANSPARENT);
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cucul_clear_canvas(cv);
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miny = h; maxy = 0;
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for(y = 0; y < h; y++)
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for(x = 0; x < w; x++)
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{
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unsigned char c = buf[4 * (x + y * w) + 2];
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if(c >= 0xa0)
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cucul_putstr(cv, x, y, "█");
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else if(c >= 0x80)
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cucul_putstr(cv, x, y, "▓");
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else if(c >= 0x40)
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cucul_putstr(cv, x, y, "▒");
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else if(c >= 0x20)
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cucul_putstr(cv, x, y, "░");
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}
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free(buf);
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return cv;
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}
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cucul_canvas_t *render_tiny(uint32_t const *string, unsigned int length)
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{
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unsigned int x;
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cucul_canvas_t *cv = cucul_create_canvas(length, 1);
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for(x = 0; x < length; x++)
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cucul_putchar(cv, x, 0, string[x]);
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return cv;
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}
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