Added snow magic tool
This commit is contained in:
Andrew Corcoran
parent
0096fd6c51
commit
ab97b56911
2 changed files with 222 additions and 1 deletions
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@ -4,7 +4,7 @@
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blackAndWhite, Convert the image to greyscale or threshold it into pure black and pure white
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blackAndWhite, Convert the image to greyscale or threshold it into pure black and pure white
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Tux Paint - A simple drawing program for children.
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Tux Paint - A simple drawing program for children.
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FIXME: Credits
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Credits: Andrew Corcoran <akanewbie@gmail.com>
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Copyright (c) 2002-2008 by Bill Kendrick and others; see AUTHORS.txt
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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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bill@newbreedsoftware.com
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221
magic/src/snow.c
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221
magic/src/snow.c
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/*
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snow.c
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snow, Add snow flakes or snow balls to the whole image.
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Tux Paint - A simple drawing program for children.
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Credits: Andrew Corcoran <akanewbie@gmail.com>
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Copyright (c) 2002-2007 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: June 6, 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 <libintl.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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#include <math.h>
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#include <limits.h>
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#include <time.h>
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#ifndef gettext_noop
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#define gettext_noop(String) String
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#endif
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const int snow_AMOUNT = 400;
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const int snow_RADIUS = 5;
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static SDL_Surface * snow_flake1;
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static SDL_Surface * snow_flake2;
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enum {
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TOOL_SNOWBALL,
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TOOL_SNOWFLAKE,
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snow_NUM_TOOLS
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};
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static Mix_Chunk * snow_snd_effect[snow_NUM_TOOLS];
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const char * snow_snd_filenames[snow_NUM_TOOLS] = {
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"flip.wav",
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"flip.wav",
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};
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const char * snow_icon_filenames[snow_NUM_TOOLS] = {
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"flip.png",
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"flip.png",
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};
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const char * snow_names[snow_NUM_TOOLS] = {
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gettext_noop("Snow Ball"),
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gettext_noop("Snow Flake"),
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};
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const char * snow_descs[snow_NUM_TOOLS] = {
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gettext_noop("Click to add snow to the image."),
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gettext_noop("Click to add snow to the image."),
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};
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Uint32 snow_api_version(void) { return(TP_MAGIC_API_VERSION); }
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//Load sounds
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int snow_init(magic_api * api){
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int i;
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char fname[1024];
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srand(time(0));
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snprintf(fname, sizeof(fname), "%s/images/magic/Snow_flake4.png", api->data_directory);
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snow_flake1 = IMG_Load(fname);
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snprintf(fname, sizeof(fname), "%s/images/magic/Snow_flake5.png", api->data_directory);
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snow_flake2 = IMG_Load(fname);
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if (snow_flake2==NULL){printf("meh\n");}
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for (i = 0; i < snow_NUM_TOOLS; i++){
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snprintf(fname, sizeof(fname), "%s/sounds/magic/%s", api->data_directory, snow_snd_filenames[i]);
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snow_snd_effect[i] = Mix_LoadWAV(fname);
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}
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return(1);
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}
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int snow_get_tool_count(magic_api * api){
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return(snow_NUM_TOOLS);
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}
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// Load our icons:
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SDL_Surface * snow_get_icon(magic_api * api, int which){
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char fname[1024];
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snprintf(fname, sizeof(fname), "%simages/magic/%s", api->data_directory, snow_icon_filenames[which]);
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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 * snow_get_name(magic_api * api, int which){
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return(strdup(gettext(snow_names[which])));
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}
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// Return our descriptions, localized:
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char * snow_get_description(magic_api * api, int which){
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return(strdup(gettext(snow_descs[which])));
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}
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// Do the effect:
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static void do_snow(void * ptr,SDL_Surface * canvas, SDL_Surface * last, int which, int snowAmount){
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magic_api * api = (magic_api *) ptr;
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int i,x,y,centre_x,centre_y;
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Uint8 r,g,b;
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SDL_Rect dest;
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for(i=0; i<snowAmount; i++){
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centre_x = rand() % canvas->w;
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centre_y = rand() % canvas->h;
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if (which == TOOL_SNOWBALL){
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for (y = -snow_RADIUS; y < snow_RADIUS; y++){
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for (x= -snow_RADIUS; x < snow_RADIUS; x++){
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if (api->in_circle(x ,y, snow_RADIUS)){
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SDL_GetRGB(api->getpixel(last, centre_x + x, centre_y + y), last->format, &r, &g, &b);
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api->putpixel(canvas, centre_x + x, centre_y + y, SDL_MapRGB(canvas->format, 255, 255, 255));
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}
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}
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}
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}
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if(which == TOOL_SNOWFLAKE){
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dest.x = centre_x;
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dest.y = centre_y;
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if (rand()%2==0){
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SDL_BlitSurface(snow_flake1, NULL, canvas, &dest);
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}else {
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SDL_BlitSurface(snow_flake2, NULL, canvas, &dest);
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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 snow_drag(magic_api * api, int which, SDL_Surface * canvas,
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SDL_Surface * last, int ox, int oy, int x, int y,
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SDL_Rect * update_rect){
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// No-op
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}
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// Affect the canvas on click:
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void snow_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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update_rect->x = 0;
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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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do_snow(api, canvas, last, which, snow_AMOUNT);
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api->playsound(snow_snd_effect[which], 128, 255);
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}
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// Affect the canvas on release:
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void snow_release(magic_api * api, int which,
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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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}
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// No setup happened:
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void snow_shutdown(magic_api * api)
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{
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//Clean up sounds
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int i;
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for(i=0; i<snow_NUM_TOOLS; i++){
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if(snow_snd_effect[i] != NULL){
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Mix_FreeChunk(snow_snd_effect[i]);
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}
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}
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if (snow_flake1 != NULL){
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SDL_FreeSurface(snow_flake1);
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}
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if (snow_flake2 != NULL){
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SDL_FreeSurface(snow_flake2);
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}
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}
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// Record the color from Tux Paint:
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void snow_set_color(magic_api * api, Uint8 r, Uint8 g, Uint8 b)
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{
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}
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// Use colors:
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int snow_requires_colors(magic_api * api, int which)
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{
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return 0;
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}
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void snow_switchin(magic_api * api, int which, int mode, SDL_Surface * canvas){
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}
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void snow_switchout(magic_api * api, int which, int mode, SDL_Surface * canvas)
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{
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}
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int snow_modes(magic_api * api, int which)
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{
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return(MODE_FULLSCREEN);
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}
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