163 lines
3.7 KiB
C
163 lines
3.7 KiB
C
/*
|
|
waves.c
|
|
|
|
Waves Magic Tool Plugin
|
|
Tux Paint - A simple drawing program for children.
|
|
|
|
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)
|
|
|
|
Last updated: July 7, 2008
|
|
$Id$
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <math.h>
|
|
#include "tp_magic_api.h"
|
|
#include "SDL_image.h"
|
|
#include "SDL_mixer.h"
|
|
|
|
|
|
/* Our globals: */
|
|
|
|
static Mix_Chunk * waves_snd;
|
|
|
|
|
|
Uint32 waves_api_version(void) { return(TP_MAGIC_API_VERSION); }
|
|
|
|
|
|
// No setup required:
|
|
int waves_init(magic_api * api)
|
|
{
|
|
char fname[1024];
|
|
|
|
snprintf(fname, sizeof(fname), "%s/sounds/magic/waves.wav",
|
|
api->data_directory);
|
|
waves_snd = Mix_LoadWAV(fname);
|
|
|
|
return(1);
|
|
}
|
|
|
|
// We have multiple tools:
|
|
int waves_get_tool_count(magic_api * api)
|
|
{
|
|
return(1);
|
|
}
|
|
|
|
// Load our icons:
|
|
SDL_Surface * waves_get_icon(magic_api * api, int which)
|
|
{
|
|
char fname[1024];
|
|
|
|
snprintf(fname, sizeof(fname), "%s/images/magic/waves.png",
|
|
api->data_directory);
|
|
|
|
return(IMG_Load(fname));
|
|
}
|
|
|
|
// Return our names, localized:
|
|
char * waves_get_name(magic_api * api, int which)
|
|
{
|
|
return(strdup(gettext_noop("Waves")));
|
|
}
|
|
|
|
// Return our descriptions, localized:
|
|
char * waves_get_description(magic_api * api, int which)
|
|
{
|
|
return(strdup(gettext_noop("Click to make the picture wavy. Click toward the top for shorter waves, the bottom for taller waves, the left for small waves, and the right for long waves.")));
|
|
}
|
|
|
|
|
|
void waves_drag(magic_api * api, int which, SDL_Surface * canvas,
|
|
SDL_Surface * last, int ox, int oy, int x, int y,
|
|
SDL_Rect * update_rect)
|
|
{
|
|
int xx, yy;
|
|
SDL_Rect src, dest;
|
|
int width;
|
|
int height;
|
|
|
|
SDL_BlitSurface(last, NULL, canvas, NULL);
|
|
|
|
width = ((x * 10) / canvas->w) + 10;
|
|
height = ((canvas->h - y) / 10) + 1;
|
|
|
|
for (yy = 0; yy < canvas->h; yy++)
|
|
{
|
|
xx = sin((yy * height) * M_PI / 180.0) * width;
|
|
|
|
src.x = 0;
|
|
src.y = yy;
|
|
src.w = canvas->w;
|
|
src.h = 1;
|
|
|
|
dest.x = xx;
|
|
dest.y = yy;
|
|
|
|
SDL_BlitSurface(last, &src, canvas, &dest);
|
|
}
|
|
|
|
update_rect->x = 0;
|
|
update_rect->y = 0;
|
|
update_rect->w = canvas->w;
|
|
update_rect->h = canvas->h;
|
|
}
|
|
|
|
// Affect the canvas on click:
|
|
void waves_click(magic_api * api, int which,
|
|
SDL_Surface * canvas, SDL_Surface * last,
|
|
int x, int y, SDL_Rect * update_rect)
|
|
{
|
|
waves_drag(api, which, canvas, last, x, y, x, y, update_rect);
|
|
}
|
|
|
|
// Affect the canvas on release:
|
|
void waves_release(magic_api * api, int which,
|
|
SDL_Surface * canvas, SDL_Surface * last,
|
|
int x, int y, SDL_Rect * update_rect)
|
|
{
|
|
api->playsound(waves_snd, 128, 255);
|
|
}
|
|
|
|
// No setup happened:
|
|
void waves_shutdown(magic_api * api)
|
|
{
|
|
if (waves_snd != NULL)
|
|
Mix_FreeChunk(waves_snd);
|
|
}
|
|
|
|
// Record the color from Tux Paint:
|
|
void waves_set_color(magic_api * api, Uint8 r, Uint8 g, Uint8 b)
|
|
{
|
|
}
|
|
|
|
// Use colors:
|
|
int waves_requires_colors(magic_api * api, int which)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
void waves_switchin(magic_api * api, int which, SDL_Surface * canvas)
|
|
{
|
|
}
|
|
|
|
void waves_switchout(magic_api * api, int which, SDL_Surface * canvas)
|
|
{
|
|
}
|