tuxpaint-pencil-sharpener/magic/src/tv.c

196 lines
6.3 KiB
C

/*
tv.c
TV Magic Tools Plugin
Tux Paint - A simple drawing program for children.
Credits: Adam 'foo-script' Rakowski <foo-script@o2.pl>
Copyright (c) 2002-2008 by Bill Kendrick and others; see AUTHORS.txt
bill@newbreedsoftware.com
http://www.tuxpaint.org/
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.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
(See COPYING.txt)
*/
#include "tp_magic_api.h"
#include "SDL_image.h"
#include "SDL_mixer.h"
int RADIUS = 16;
Mix_Chunk * tv_snd;
Uint32 tv_api_version(void);
void tv_set_color(magic_api * api, Uint8 r, Uint8 g, Uint8 b);
int tv_init(magic_api * api);
int tv_get_tool_count(magic_api * api);
SDL_Surface * tv_get_icon(magic_api * api, int which);
char * tv_get_name(magic_api * api, int which);
char * tv_get_description(magic_api * api, int which, int mode);
int tv_requires_colors(magic_api * api, int which);
void tv_release(magic_api * api, int which,
SDL_Surface * canvas, SDL_Surface * snapshot,
int x, int y, SDL_Rect * update_rect);
void tv_shutdown(magic_api * api);
void tv_paint_tv(void * ptr_to_api, int which_tool,
SDL_Surface * canvas, SDL_Surface * snapshot, int x, int y);
void tv_do_tv(void * ptr_to_api, int which_tool,
SDL_Surface * canvas, SDL_Surface * snapshot, int x, int y);
void tv_drag(magic_api * api, int which, SDL_Surface * canvas,
SDL_Surface * snapshot, int ox, int oy, int x, int y,
SDL_Rect * update_rect);
void tv_click(magic_api * api, int which, int mode,
SDL_Surface * canvas, SDL_Surface * last,
int x, int y, SDL_Rect * update_rect);
void tv_switchin(magic_api * api, int which, int mode, SDL_Surface * canvas);
void tv_switchout(magic_api * api, int which, int mode, SDL_Surface * canvas);
int tv_modes(magic_api * api, int which);
// Housekeeping functions
Uint32 tv_api_version(void)
{
return(TP_MAGIC_API_VERSION);
}
void tv_set_color(magic_api * api ATTRIBUTE_UNUSED, Uint8 r ATTRIBUTE_UNUSED, Uint8 g ATTRIBUTE_UNUSED, Uint8 b ATTRIBUTE_UNUSED) //get the colors from API and store it in structure
{
}
int tv_init(magic_api * api ATTRIBUTE_UNUSED)
{
char fname[1024];
snprintf(fname, sizeof(fname), "%s/sounds/magic/tv.ogg", api->data_directory);
tv_snd = Mix_LoadWAV(fname);
return(1);
}
int tv_get_tool_count(magic_api * api ATTRIBUTE_UNUSED)
{
return 1;
}
SDL_Surface * tv_get_icon(magic_api * api, int which ATTRIBUTE_UNUSED)
{
char fname[1024];
snprintf(fname, sizeof(fname), "%s/images/magic/tv.png",
api->data_directory);
return(IMG_Load(fname));
}
char * tv_get_name(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED) { return strdup(gettext_noop("TV")); }
char * tv_get_description(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED, int mode)
{
if (mode == MODE_PAINT)
return strdup(gettext_noop("Click and drag to make parts of your picture look like they are on television."));
else
return strdup(gettext_noop("Click to make your picture look like it's on television."));
}
int tv_requires_colors(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED) { return 0; }
void tv_release(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED,
SDL_Surface * canvas ATTRIBUTE_UNUSED, SDL_Surface * snapshot ATTRIBUTE_UNUSED,
int x ATTRIBUTE_UNUSED, int y ATTRIBUTE_UNUSED, SDL_Rect * update_rect ATTRIBUTE_UNUSED)
{
}
void tv_shutdown(magic_api * api ATTRIBUTE_UNUSED)
{ Mix_FreeChunk(tv_snd); }
// Interactivity functions
void tv_paint_tv(void * ptr_to_api, int which_tool ATTRIBUTE_UNUSED,
SDL_Surface * canvas, SDL_Surface * snapshot ATTRIBUTE_UNUSED, int x, int y)
{
int i, j;
magic_api * api = (magic_api *) ptr_to_api;
for (i = x - RADIUS; i < x + RADIUS; i++)
for (j = y - RADIUS; j < y + RADIUS; j++)
if ((j + 1) % 2 &&
api->in_circle(i - x, j - y, RADIUS) &&
! api->touched(i, j))
api->putpixel(canvas, i, j, SDL_MapRGB(canvas->format, 128, 128, 165));
}
void tv_do_tv(void * ptr_to_api, int which_tool ATTRIBUTE_UNUSED,
SDL_Surface * canvas, SDL_Surface * snapshot ATTRIBUTE_UNUSED, int x, int y)
{
magic_api * api = (magic_api *) ptr_to_api;
api->putpixel(canvas, x, y, SDL_MapRGB(canvas->format, 128, 128, 165));
//api->putpixel(canvas, x, y, SDL_MapRGB(canvas->format, 0, 0, 255));
}
void tv_drag(magic_api * api, int which, SDL_Surface * canvas,
SDL_Surface * snapshot, int ox, int oy, int x, int y,
SDL_Rect * update_rect)
{
api->line(api, which, canvas, snapshot, ox, oy, x, y, 1, tv_paint_tv);
update_rect->x = min(ox, x) - RADIUS;
update_rect->y = min(oy, y) - RADIUS;
update_rect->w = abs(ox - x) + RADIUS * 2;
update_rect->h = abs(oy - y) + RADIUS * 2;
api->playsound(tv_snd, (x * 255) / canvas->w, 255);
}
void tv_click(magic_api * api, int which, int mode,
SDL_Surface * canvas, SDL_Surface * last,
int x, int y, SDL_Rect * update_rect)
{
if (mode == MODE_FULLSCREEN)
{
int i;
for (i=0; i<canvas->h; i+=2)
api->line(api, which, canvas, last, 0, i, canvas->w, i, 1, tv_do_tv);
update_rect->w=canvas->w;
update_rect->h=canvas->h;
update_rect->x=update_rect->y=0;
api->playsound(tv_snd, 128,255);
}
else
{
tv_drag(api, which, canvas, last, x, y, x, y, update_rect);
}
}
void tv_switchin(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED, int mode ATTRIBUTE_UNUSED, SDL_Surface * canvas ATTRIBUTE_UNUSED)
{
}
void tv_switchout(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED, int mode ATTRIBUTE_UNUSED, SDL_Surface * canvas ATTRIBUTE_UNUSED)
{
}
int tv_modes(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED)
{
return(MODE_FULLSCREEN | MODE_PAINT);
}