f836cc775a
Thoose changes were already in the SDL2 and android versions, they were reverted somehow...
241 lines
6.7 KiB
C
241 lines
6.7 KiB
C
/*
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rainbow.c
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Rainbow Magic Tool Plugin
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Tux Paint - A simple drawing program for children.
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Copyright (c) 2002-2008 by Bill Kendrick and others; see AUTHORS.txt
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bill@newbreedsoftware.com
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http://www.tuxpaint.org/
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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(See COPYING.txt)
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Last updated: July 8, 2008
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$Id$
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*/
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#include <stdio.h>
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#include <string.h>
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#include "tp_magic_api.h"
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#include "SDL_image.h"
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#include "SDL_mixer.h"
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/* Our globals: */
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#define NUM_RAINBOW_COLORS 23
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static const int rainbow_hexes[NUM_RAINBOW_COLORS][3] = {
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{255, 0, 0},
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{255, 64, 0},
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{255, 128, 0},
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{255, 192, 0},
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{255, 255, 0},
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{192, 255, 0},
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{128, 255, 0},
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{64, 255, 0},
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{0, 255, 0},
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{0, 255, 64},
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{0, 255, 128},
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{0, 255, 192},
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{0, 255, 255},
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{0, 192, 255},
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{0, 128, 255},
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{0, 64, 255},
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{64, 0, 255},
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{128, 0, 255},
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{192, 0, 255},
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{255, 0, 255},
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{255, 0, 192},
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{255, 0, 128},
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{255, 0, 64}
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};
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static int rainbow_color;
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static Uint32 rainbow_rgb;
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static Mix_Chunk *rainbow_snd;
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int rainbow_init(magic_api * api);
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Uint32 rainbow_api_version(void);
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int rainbow_get_tool_count(magic_api * api);
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SDL_Surface *rainbow_get_icon(magic_api * api, int which);
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char *rainbow_get_name(magic_api * api, int which);
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char *rainbow_get_description(magic_api * api, int which, int mode);
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static void rainbow_linecb(void *ptr, int which, SDL_Surface * canvas, SDL_Surface * last, int x, int y);
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void rainbow_drag(magic_api * api, int which, SDL_Surface * canvas,
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SDL_Surface * last, int ox, int oy, int x, int y, SDL_Rect * update_rect);
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void rainbow_click(magic_api * api, int which, int mode,
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SDL_Surface * canvas, SDL_Surface * last, int x, int y, SDL_Rect * update_rect);
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void rainbow_release(magic_api * api, int which,
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SDL_Surface * canvas, SDL_Surface * last, int x, int y, SDL_Rect * update_rect);
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void rainbow_shutdown(magic_api * api);
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void rainbow_set_color(magic_api * api, Uint8 r, Uint8 g, Uint8 b);
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int rainbow_requires_colors(magic_api * api, int which);
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void rainbow_switchin(magic_api * api, int which, int mode, SDL_Surface * canvas);
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void rainbow_switchout(magic_api * api, int which, int mode, SDL_Surface * canvas);
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int rainbow_modes(magic_api * api, int which);
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Uint32 rainbow_api_version(void)
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{
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return (TP_MAGIC_API_VERSION);
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}
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// Load our sfx:
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int rainbow_init(magic_api * api)
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{
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char fname[1024];
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rainbow_color = 0;
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snprintf(fname, sizeof(fname), "%ssounds/magic/rainbow.wav", api->data_directory);
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rainbow_snd = Mix_LoadWAV(fname);
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return (1);
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}
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// We have multiple tools:
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int rainbow_get_tool_count(magic_api * api ATTRIBUTE_UNUSED)
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{
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return (1);
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}
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// Load our icons:
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SDL_Surface *rainbow_get_icon(magic_api * api, int which ATTRIBUTE_UNUSED)
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{
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char fname[1024];
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snprintf(fname, sizeof(fname), "%simages/magic/rainbow.png", api->data_directory);
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return (IMG_Load(fname));
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}
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// Return our names, localized:
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char *rainbow_get_name(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED)
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{
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return (strdup(gettext_noop("Rainbow")));
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}
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// Return our descriptions, localized:
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char *rainbow_get_description(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED, int mode ATTRIBUTE_UNUSED)
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{
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return (strdup(gettext_noop("You can draw in rainbow colors!")));
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}
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// Do the effect:
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static void rainbow_linecb(void *ptr, int which ATTRIBUTE_UNUSED,
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SDL_Surface * canvas, SDL_Surface * last ATTRIBUTE_UNUSED, int x, int y)
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{
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magic_api *api = (magic_api *) ptr;
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int xx, yy;
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for (yy = y - 16; yy < y + 16; yy++)
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{
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for (xx = x - 16; xx < x + 16; xx++)
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{
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if (api->in_circle(xx - x, yy - y, 16))
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{
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api->putpixel(canvas, xx, yy, rainbow_rgb);
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}
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}
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}
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}
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// Affect the canvas on drag:
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void rainbow_drag(magic_api * api, int which, SDL_Surface * canvas,
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SDL_Surface * last, int ox, int oy, int x, int y, SDL_Rect * update_rect)
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{
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rainbow_color = (rainbow_color + 1) % NUM_RAINBOW_COLORS;
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rainbow_rgb = SDL_MapRGB(canvas->format,
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rainbow_hexes[rainbow_color][0],
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rainbow_hexes[rainbow_color][1], rainbow_hexes[rainbow_color][2]);
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api->line((void *)api, which, canvas, last, ox, oy, x, y, 1, rainbow_linecb);
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if (ox > x)
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{
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int tmp = ox;
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ox = x;
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x = tmp;
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}
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if (oy > y)
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{
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int tmp = oy;
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oy = y;
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y = tmp;
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}
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update_rect->x = ox - 16;
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update_rect->y = oy - 16;
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update_rect->w = (x + 16) - update_rect->x;
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update_rect->h = (y + 16) - update_rect->y;
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api->playsound(rainbow_snd, (x * 255) / canvas->w, 255);
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}
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// Affect the canvas on click:
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void rainbow_click(magic_api * api, int which, int mode ATTRIBUTE_UNUSED,
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SDL_Surface * canvas, SDL_Surface * last, int x, int y, SDL_Rect * update_rect)
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{
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rainbow_drag(api, which, canvas, last, x, y, x, y, update_rect);
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}
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void rainbow_release(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED,
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SDL_Surface * canvas ATTRIBUTE_UNUSED, SDL_Surface * last ATTRIBUTE_UNUSED,
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int x ATTRIBUTE_UNUSED, int y ATTRIBUTE_UNUSED, SDL_Rect * update_rect ATTRIBUTE_UNUSED)
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{
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}
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// Clean up
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void rainbow_shutdown(magic_api * api ATTRIBUTE_UNUSED)
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{
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if (rainbow_snd != NULL)
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Mix_FreeChunk(rainbow_snd);
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}
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// Record the color from Tux Paint:
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void rainbow_set_color(magic_api * api ATTRIBUTE_UNUSED, Uint8 r ATTRIBUTE_UNUSED, Uint8 g ATTRIBUTE_UNUSED,
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Uint8 b ATTRIBUTE_UNUSED)
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{
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}
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// Use colors:
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int rainbow_requires_colors(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED)
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{
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return 0;
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}
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void rainbow_switchin(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED, int mode ATTRIBUTE_UNUSED,
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SDL_Surface * canvas ATTRIBUTE_UNUSED)
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{
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}
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void rainbow_switchout(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED, int mode ATTRIBUTE_UNUSED,
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SDL_Surface * canvas ATTRIBUTE_UNUSED)
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{
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}
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int rainbow_modes(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED)
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{
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return (MODE_PAINT);
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}
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