blurAll merged into blur as a full-image mode.
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William Kendrick
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c04be7b7d0
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1 changed files with 0 additions and 202 deletions
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/*
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blurAll.c
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blurAll, Blur the whole image
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Tux Paint - A simple drawing program for children.
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FIXME: Credits
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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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Last updated: July 8, 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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#ifndef gettext_noop
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#define gettext_noop(String) String
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#endif
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enum {
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TOOL_BLURALL,
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blurAll_NUM_TOOLS
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};
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static Mix_Chunk * blurAll_snd_effect[blurAll_NUM_TOOLS];
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const char *blurAll_snd_filenames[blurAll_NUM_TOOLS] = {
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"flip.wav",
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};
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const char * blurAll_icon_filenames[blurAll_NUM_TOOLS] = {
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"flip.png",
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};
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const char * blurAll_names[blurAll_NUM_TOOLS] = {
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gettext_noop("Blur All"),
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};
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const char * blurAll_descs[blurAll_NUM_TOOLS] = {
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gettext_noop("Click to blur the whole image."),
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};
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Uint32 blurAll_api_version(void) { return(TP_MAGIC_API_VERSION); }
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//Load sounds
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int blurAll_init(magic_api * api){
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int i;
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char fname[1024];
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for (i = 0; i < blurAll_NUM_TOOLS; i++){
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snprintf(fname, sizeof(fname), "%s/sounds/magic/%s", api->data_directory, blurAll_snd_filenames[i]);
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blurAll_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 blurAll_get_tool_count(magic_api * api){
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return(blurAll_NUM_TOOLS);
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}
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// Load our icons:
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SDL_Surface * blurAll_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, blurAll_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 * blurAll_get_name(magic_api * api, int which){
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return(strdup(gettext(blurAll_names[which])));
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}
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// Return our descriptions, localized:
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char * blurAll_get_description(magic_api * api, int which, int mode){
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return(strdup(gettext(blurAll_descs[which])));
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}
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// Do the effect:
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static void do_blurAll(void * ptr,SDL_Surface * canvas, SDL_Surface * last, int which){
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magic_api * api = (magic_api *) ptr;
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int x,y;
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int i,j;
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Uint8 temp[3];
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double blurValue[3];
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//5x5 gaussiann weighting window
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const int weight[5][5] = { {1,4,7,4,1},
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{4,16,26,16,4},
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{7,26,41,26,7},
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{4,16,26,16,4},
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{1,4,7,4,1}};
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for (y = 0; y < last->h; y++){
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for (x=0; x < last->w; x++){
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int k;
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//zero the holder for the new value
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for (k =0;k<3;k++){
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blurValue[k] =0;
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}
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for (i=-2;i<3;i++){
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for (j=-2;j<3;j++){
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//Add the pixels around the current one wieghted
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SDL_GetRGB(api->getpixel(last, x + i, y + j), last->format, &temp[0], &temp[1], &temp[2]);
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for (k =0;k<3;k++){
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blurValue[k] += temp[k]* weight[i+2][j+2];
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}
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}
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}
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for (k =0;k<3;k++){
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blurValue[k] /=273;
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}
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api->putpixel(canvas, x, y, SDL_MapRGB(canvas->format, blurValue[0], blurValue[1], blurValue[2]));
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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 blurAll_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 blurAll_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_blurAll(api, canvas, last, which);
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api->playsound(blurAll_snd_effect[which], 128, 255);
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}
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// Affect the canvas on release:
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void blurAll_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 blurAll_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<blurAll_NUM_TOOLS; i++){
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if(blurAll_snd_effect[i] != NULL){
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Mix_FreeChunk(blurAll_snd_effect[i]);
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}
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}
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}
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// Record the color from Tux Paint:
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void blurAll_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 blurAll_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 blurAll_switchin(magic_api * api, int which, int mode, SDL_Surface * canvas)
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{
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}
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void blurAll_switchout(magic_api * api, int which, int mode, SDL_Surface * canvas)
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{
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}
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int blurAll_modes(magic_api * api, int which)
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{
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return(MODE_FULLSCREEN); /* FIXME - Can also be turned into a painted effect */ /* FIXME: Merge with blur */
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}
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