String cleanup.

magic/src/puzzle.c

@@ -0,0 +1,207 @@
+/*
+  puzzle.c v. 1.2
+
+  puzzle, Puzzle tool
+  Tux Paint - A simple drawing program for children.
+
+  Author: 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 <time.h>	//for time()
+#include "tp_magic_api.h"
+#include "SDL_image.h"
+#include "SDL_mixer.h"
+
+#define RATIO 5		//change this value to get bigger puzzle
+
+//TODO: Fullscreen mode
+//In fullscreen mode RATIO _should_ be 1
+//<=> puzzle_gcd=gcd(canvas->h, canvas->w);
+//else not whole the screen will be affected
+
+
+static Mix_Chunk * puzzle_snd;
+static int puzzle_gcd=0;		//length of side of each rectangle; 0 is temporary value.
+static int puzzle_rect_q=4;		//quantity of rectangles when using paint mode. Must be an odd value
+static int rects_w, rects_h;
+
+Uint32 puzzle_api_version(void) { return(TP_MAGIC_API_VERSION); }
+
+int puzzle_init(magic_api * api)
+{
+  char fname[1024];
+
+  snprintf(fname, sizeof(fname), "%s/sounds/magic/puzzle.wav",
+	    api->data_directory);
+  puzzle_snd = Mix_LoadWAV(fname);
+
+  return 1 ;
+}
+
+int puzzle_get_tool_count(magic_api * api)
+{
+  return 1;
+}
+
+SDL_Surface * puzzle_get_icon(magic_api * api, int which)
+{
+  char fname[1024];
+
+  snprintf(fname, sizeof(fname), "%s/images/magic/puzzle.png",
+	   api->data_directory);
+
+  return(IMG_Load(fname));
+}
+
+char * puzzle_get_name(magic_api * api, int which)
+{
+  return(strdup(gettext_noop("Puzzle")));
+}
+
+
+char * puzzle_get_description(magic_api * api, int which, int mode)
+{
+  if (mode==MODE_PAINT)
+	return strdup(gettext_noop("Select the area of image where would you like to make a mosaic"));
+  return strdup(gettext_noop("Click to make mosaic in fullscreen mode"));
+}
+
+void puzzle_release(magic_api * api, int which,
+	           SDL_Surface * canvas, SDL_Surface * last,
+	           int x, int y, SDL_Rect * update_rect)
+{
+  api->playsound(puzzle_snd, 128, 255);
+}
+
+void puzzle_shutdown(magic_api * api)
+{
+  if (puzzle_snd != NULL)
+    Mix_FreeChunk(puzzle_snd);
+}
+
+void puzzle_set_color(magic_api * api, Uint8 r, Uint8 g, Uint8 b)
+{
+}
+
+int puzzle_requires_colors(magic_api * api, int which)
+{
+  return 0;
+}
+
+int gcd(int a, int b)		//greatest common divisor
+{
+ if (b==0) return a;
+ return gcd(b, a%b);
+}
+
+void puzzle_switchin(magic_api * api, int which, int mode, SDL_Surface * canvas)
+{
+	puzzle_gcd=RATIO*gcd(canvas->w, canvas->h);
+	rects_w=(unsigned int)canvas->w/puzzle_gcd;
+	rects_h=(unsigned int)canvas->h/puzzle_gcd;
+}
+
+void puzzle_switchout(magic_api * api, int which, int mode, SDL_Surface * canvas)
+{
+}
+
+int puzzle_modes(magic_api * api, int which)
+{
+  return(MODE_PAINT);
+}
+
+static void puzzle_draw(void * ptr, int which_tool,
+               SDL_Surface * canvas, SDL_Surface * snapshot, int x, int y)
+{	
+  
+  	
+  magic_api * api = (magic_api *) ptr;
+	
+  Uint8 i, j, r;		//r - random value
+  SDL_Rect rect_this, rect_that;
+
+  SDL_BlitSurface(canvas, NULL, snapshot, NULL);
+  if (!api->touched(x,y))
+  {
+	  srand(rand());
+		
+	   r=rand()%4;
+	  
+	   rect_that.x=x;
+	   rect_that.y=y;
+	  
+	   switch(r)
+	   {
+		case 0:		//upper
+			if (y>puzzle_gcd) 
+				rect_that.y=y-puzzle_gcd;
+			
+		break;
+		case 1:		//right
+			if (x<canvas->w-puzzle_gcd) 
+				rect_that.x=x-puzzle_gcd;
+		
+		break;
+		case 2:		//lower
+			if (y<canvas->h-puzzle_gcd) 
+				rect_that.y=y-puzzle_gcd;
+		
+		break;
+		case 3:		//left
+			if (x>puzzle_gcd) 
+				rect_that.x=x-puzzle_gcd;
+		break;
+	   }
+	   
+	   rect_this.x=x;
+	   rect_this.y=y;
+	   rect_this.h=rect_this.w=puzzle_gcd;
+	   rect_that.h=rect_that.w=puzzle_gcd;
+  }
+  
+  SDL_BlitSurface(canvas, &rect_this, canvas, &rect_that);
+  SDL_BlitSurface(snapshot, &rect_that, canvas, &rect_this);
+}
+
+void puzzle_drag(magic_api * api, int which, SDL_Surface * canvas,
+	          SDL_Surface * last, int ox, int oy, int x, int y,
+		  SDL_Rect * update_rect)
+{
+	puzzle_draw(api, which, canvas, last, x-puzzle_gcd/2, y-puzzle_gcd/2);
+
+	puzzle_draw(api, which, canvas, last, x-1.5*puzzle_gcd/2, y-puzzle_gcd/2);
+	puzzle_draw(api, which, canvas, last, x+0.5*puzzle_gcd, y-puzzle_gcd/2);
+	puzzle_draw(api, which, canvas, last, x-puzzle_gcd/2, y-1.5*puzzle_gcd);
+	puzzle_draw(api, which, canvas, last, x-puzzle_gcd/2, y+0.5*puzzle_gcd);
+	
+	update_rect->x=0;
+	update_rect->y=0;
+	update_rect->h=canvas->h;
+	update_rect->w=canvas->w;
+}
+
+void puzzle_click(magic_api * api, int which, int mode,
+	           SDL_Surface * canvas, SDL_Surface * last,
+	           int x, int y, SDL_Rect * update_rect)
+{
+	puzzle_drag(api, which, canvas, last, x, y, x, y, update_rect);
+}