Added TV & Rosette Magic tools.
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William Kendrick
parent
1765e36292
commit
6c3893fd41
4 changed files with 344 additions and 1 deletions
206
magic/src/rosette.c
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206
magic/src/rosette.c
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/*
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rosette.c
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Rosette Magic Tools Plugin + Picasso Magic Tools Plugin
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Tux Paint - A simple drawing program for children.
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Credits: Adam 'foo-script' Rakowski <foo-script@o2.pl>
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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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*/
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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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#include <math.h> //for sin, cos, ...
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#define ROSETTE_R 8 //circle's diameter
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static int xmid, ymid;
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struct rosette_rgb
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{
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Uint8 r, g, b;
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};
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struct rosette_rgb rosette_colors;
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Mix_Chunk * rosette_snd;
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// Housekeeping functions
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void rosette_drag(magic_api * api, int which, SDL_Surface * canvas,
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SDL_Surface * snapshot, int ox, int oy, int x, int y,
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SDL_Rect * update_rect);
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Uint32 rosette_api_version(void)
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{
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return(TP_MAGIC_API_VERSION);
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}
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void rosette_set_color(magic_api * api, Uint8 r, Uint8 g, Uint8 b) //get the colors from API and store it in structure
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{
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rosette_colors.r=r;
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rosette_colors.g=g;
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rosette_colors.b=b;
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}
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int rosette_init(magic_api * api)
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{
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char fname[1024];
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snprintf(fname, sizeof(fname), "%s/sounds/magic/rosette.wav", api->data_directory);
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rosette_snd = Mix_LoadWAV(fname);
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return(1);
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}
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int rosette_get_tool_count(magic_api * api)
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{
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return 2;
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}
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SDL_Surface * rosette_get_icon(magic_api * api, int which)
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{
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char fname[1024];
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if (!which)
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snprintf(fname, sizeof(fname), "%s/images/magic/rosette.png", api->data_directory);
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else snprintf(fname, sizeof(fname), "%s/images/magic/picasso.png", api->data_directory);
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return(IMG_Load(fname));
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}
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char * rosette_get_name(magic_api * api, int which) { if (!which) return strdup(gettext_noop("Rosette")); else return strdup(gettext_noop("Picasso"));}
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char * rosette_get_description(magic_api * api, int which, int mode)
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{
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if (!which)
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return strdup(gettext_noop("Click and start drawing your rosette"));
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else
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return strdup(gettext_noop("You can draw just like Picasso!"));
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}
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int rosette_requires_colors(magic_api * api, int which) { return 1; }
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void rosette_release(magic_api * api, int which,
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SDL_Surface * canvas, SDL_Surface * snapshot,
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int x, int y, SDL_Rect * update_rect)
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{
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api->playsound(rosette_snd, (x * 255) / canvas->w, 255);
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}
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void rosette_shutdown(magic_api * api)
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{ Mix_FreeChunk(rosette_snd); }
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// Interactivity functions
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void rosette_circle(void * ptr, int which,
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SDL_Surface * canvas, SDL_Surface * snapshot,
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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 - ROSETTE_R; yy < y + ROSETTE_R; yy++)
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for (xx = x - ROSETTE_R; xx < x + ROSETTE_R; xx++)
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if (api->in_circle(xx - x , yy - y , ROSETTE_R/2))
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api->putpixel(canvas, xx, yy, SDL_MapRGB(canvas->format, rosette_colors.r, rosette_colors.g, rosette_colors.b));
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}
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void rosette_draw(void * ptr, int which, SDL_Surface * canvas, SDL_Surface * snapshot, int x, int y)
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{
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magic_api * api = (magic_api *) ptr;
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double angle, angle_ph;
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double xx, yy; //distance to the center of the image
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int x1, y1, x2, y2;
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xx=(double)(xmid-x);
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yy=(double)(y-ymid);
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if (which==0)
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{
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angle=2*M_PI/3; //an angle between brushes
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x1=(int)(xx*cos(angle)-yy*sin(angle));
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y1=(int)(xx*sin(angle)+yy*cos(angle));
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x2=(int)(xx*cos(2*angle)-yy*sin(2*angle));
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y2=(int)(xx*sin(2*angle)+yy*cos(2*angle));
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}
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else
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{
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angle=atan(yy/xx);
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if ((xx<0) && (yy>0)) angle+=M_PI;
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if ((xx<0) && (yy<0)) angle+=M_PI;
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if ((xx>0) && (yy<0)) angle+=2*M_PI;
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if ((y==ymid) && (xx<0)) angle=M_PI;
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x1=(int)(xx*cos(2*angle)-yy*sin(2*angle));
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y1=(int)(xx*sin(2*angle)-yy*cos(angle));
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x2=(int)(xx*cos(2*angle)-yy*sin(2*angle));
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y2=(int)(xx*sin(2*angle)+yy*cos(2*angle));
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}
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rosette_circle(api, which, canvas, snapshot, x, y);
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rosette_circle(api, which, canvas, snapshot, (-1)*(x1-xmid), y1+ymid);
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rosette_circle(api, which, canvas, snapshot, (-1)*(x2-xmid), y2+ymid);
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}
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void rosette_drag(magic_api * api, int which, SDL_Surface * canvas,
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SDL_Surface * snapshot, int ox, int oy, int x, int y,
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SDL_Rect * update_rect)
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{
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api->line((void *) api, which, canvas, snapshot, ox, oy, x, y, 1, rosette_draw);
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update_rect->x=update_rect->y=0;
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update_rect->w=canvas->w;
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update_rect->h=canvas->h;
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}
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void rosette_click(magic_api * api, int which, int mode,
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SDL_Surface * canvas, SDL_Surface * last,
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int x, int y, SDL_Rect * update_rect)
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{
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rosette_drag(api, which, canvas, last, x, y, x, y, update_rect);
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}
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void rosette_switchin(magic_api * api, int which, int mode, SDL_Surface * canvas)
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{
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xmid=canvas->w/2;
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ymid=canvas->h/2;
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}
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void rosette_switchout(magic_api * api, int which, int mode, SDL_Surface * canvas)
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{
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}
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int rosette_modes(magic_api * api, int which)
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{
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return(MODE_PAINT);
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}
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