Added noise and mosaic magic tools
This commit is contained in:
Andrew Corcoran
parent
774c076406
commit
4c71ecdba1
4 changed files with 513 additions and 84 deletions
230
magic/src/noise.c
Normal file
230
magic/src/noise.c
Normal file
|
|
@ -0,0 +1,230 @@
|
|||
/*
|
||||
noise.c
|
||||
|
||||
noise,Add noise the whole image.
|
||||
Tux Paint - A simple drawing program for children.
|
||||
|
||||
Copyright (c) 2002-2007 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: June 6, 2008
|
||||
$Id$
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
#include <libintl.h>
|
||||
#include "tp_magic_api.h"
|
||||
#include "SDL_image.h"
|
||||
#include "SDL_mixer.h"
|
||||
#include <math.h>
|
||||
#include <limits.h>
|
||||
#include <time.h>
|
||||
|
||||
#ifndef gettext_noop
|
||||
#define gettext_noop(String) String
|
||||
#endif
|
||||
|
||||
const int noise_AMOUNT = 100.0;
|
||||
const int noise_RADIUS = 16;
|
||||
|
||||
enum {
|
||||
TOOL_NOISE,
|
||||
noise_NUM_TOOLS
|
||||
};
|
||||
|
||||
static Mix_Chunk * noise_snd_effect[noise_NUM_TOOLS];
|
||||
|
||||
const char * noise_snd_filenames[noise_NUM_TOOLS] = {
|
||||
"flip.wav",
|
||||
};
|
||||
const char * noise_icon_filenames[noise_NUM_TOOLS] = {
|
||||
"flip.png",
|
||||
};
|
||||
const char * noise_names[noise_NUM_TOOLS] = {
|
||||
gettext_noop("Noise"),
|
||||
};
|
||||
const char * noise_descs[noise_NUM_TOOLS] = {
|
||||
gettext_noop("Click to add noise to the image."),
|
||||
};
|
||||
|
||||
Uint32 noise_api_version(void) { return(TP_MAGIC_API_VERSION); }
|
||||
|
||||
//Load sounds
|
||||
int noise_init(magic_api * api){
|
||||
srand(time(0));
|
||||
|
||||
int i;
|
||||
char fname[1024];
|
||||
|
||||
for (i = 0; i < noise_NUM_TOOLS; i++){
|
||||
snprintf(fname, sizeof(fname), "%s/sounds/magic/%s", api->data_directory, noise_snd_filenames[i]);
|
||||
noise_snd_effect[i] = Mix_LoadWAV(fname);
|
||||
}
|
||||
return(1);
|
||||
}
|
||||
|
||||
int noise_get_tool_count(magic_api * api){
|
||||
return(noise_NUM_TOOLS);
|
||||
}
|
||||
|
||||
// Load our icons:
|
||||
SDL_Surface * noise_get_icon(magic_api * api, int which){
|
||||
char fname[1024];
|
||||
snprintf(fname, sizeof(fname), "%simages/magic/%s", api->data_directory, noise_icon_filenames[which]);
|
||||
return(IMG_Load(fname));
|
||||
}
|
||||
|
||||
// Return our names, localized:
|
||||
char * noise_get_name(magic_api * api, int which){
|
||||
return(strdup(gettext(noise_names[which])));
|
||||
}
|
||||
|
||||
// Return our descriptions, localized:
|
||||
char * noise_get_description(magic_api * api, int which){
|
||||
return(strdup(gettext(noise_descs[which])));
|
||||
}
|
||||
|
||||
//Do the effect for one pixel
|
||||
static void do_noise_pixel(void * ptr, int which,
|
||||
SDL_Surface * canvas, SDL_Surface * last,
|
||||
int x, int y){
|
||||
magic_api * api = (magic_api *) ptr;
|
||||
|
||||
Uint8 temp[3];
|
||||
double temp2[3];
|
||||
|
||||
SDL_GetRGB(api->getpixel(canvas,x, y), canvas->format, &temp[0], &temp[1], &temp[2]);
|
||||
int k;
|
||||
for (k =0;k<3;k++){
|
||||
temp2[k] = clamp(0.0, (int)temp[k] - (rand()%noise_AMOUNT) + noise_AMOUNT/2.0, 255.0);
|
||||
}
|
||||
api->putpixel(canvas, x, y, SDL_MapRGB(canvas->format, temp2[0], temp2[1], temp2[2]));
|
||||
|
||||
}
|
||||
|
||||
// Do the effect for the full image
|
||||
static void do_noise_full(void * ptr,SDL_Surface * canvas, SDL_Surface * last, int which){
|
||||
|
||||
magic_api * api = (magic_api *) ptr;
|
||||
|
||||
int x,y;
|
||||
|
||||
for (y = 0; y < last->h; y++){
|
||||
for (x=0; x < last->w; x++){
|
||||
do_noise_pixel(ptr, which, canvas, last, x, y);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
//do the effect for the brush
|
||||
static void do_noise_brush(void * ptr, int which, SDL_Surface * canvas, SDL_Surface * last, int x, int y){
|
||||
int xx, yy;
|
||||
magic_api * api = (magic_api *) ptr;
|
||||
|
||||
for (yy = y - noise_RADIUS; yy < y + noise_RADIUS; yy++)
|
||||
{
|
||||
for (xx = x - noise_RADIUS; xx < x + noise_RADIUS; xx++)
|
||||
{
|
||||
if (api->in_circle(xx - x, yy - y, noise_RADIUS) &&
|
||||
!api->touched(xx, yy))
|
||||
{
|
||||
do_noise_pixel(api, which, canvas, last, xx, yy);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Affect the canvas on drag:
|
||||
void noise_drag(magic_api * api, int which, SDL_Surface * canvas,
|
||||
SDL_Surface * last, int ox, int oy, int x, int y,
|
||||
SDL_Rect * update_rect){
|
||||
|
||||
api->line((void *) api, which, canvas, last, ox, oy, x, y, 1, do_noise_brush);
|
||||
|
||||
api->playsound(noise_snd_effect[which], (x * 255) / canvas->w, 255);
|
||||
|
||||
if (ox > x) { int tmp = ox; ox = x; x = tmp; }
|
||||
if (oy > y) { int tmp = oy; oy = y; y = tmp; }
|
||||
|
||||
update_rect->x = ox - noise_RADIUS;
|
||||
update_rect->y = oy - noise_RADIUS;
|
||||
update_rect->w = (x + noise_RADIUS) - update_rect->x;
|
||||
update_rect->h = (y + noise_RADIUS) - update_rect->y;
|
||||
}
|
||||
|
||||
// Affect the canvas on click:
|
||||
void noise_click(magic_api * api, int which, int mode,
|
||||
SDL_Surface * canvas, SDL_Surface * last,
|
||||
int x, int y, SDL_Rect * update_rect){
|
||||
if (mode == MODE_PAINT)
|
||||
noise_drag(api, which, canvas, last, x, y, x, y, update_rect);
|
||||
else{
|
||||
update_rect->x = 0;
|
||||
update_rect->y = 0;
|
||||
update_rect->w = canvas->w;
|
||||
update_rect->h = canvas->h;
|
||||
do_noise_full(api, canvas, last, which);
|
||||
api->playsound(noise_snd_effect[which], 128, 255);
|
||||
}
|
||||
}
|
||||
|
||||
// Affect the canvas on release:
|
||||
void noise_release(magic_api * api, int which,
|
||||
SDL_Surface * canvas, SDL_Surface * last,
|
||||
int x, int y, SDL_Rect * update_rect)
|
||||
{
|
||||
}
|
||||
|
||||
// No setup happened:
|
||||
void noise_shutdown(magic_api * api)
|
||||
{
|
||||
//Clean up sounds
|
||||
int i;
|
||||
for(i=0; i<noise_NUM_TOOLS; i++){
|
||||
if(noise_snd_effect[i] != NULL){
|
||||
Mix_FreeChunk(noise_snd_effect[i]);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Record the color from Tux Paint:
|
||||
void noise_set_color(magic_api * api, Uint8 r, Uint8 g, Uint8 b)
|
||||
{
|
||||
}
|
||||
|
||||
// Use colors:
|
||||
int noise_requires_colors(magic_api * api, int which)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
void noise_switchin(magic_api * api, int which, int mode, SDL_Surface * canvas)
|
||||
{
|
||||
}
|
||||
|
||||
void noise_switchout(magic_api * api, int which, int mode, SDL_Surface * canvas)
|
||||
{
|
||||
}
|
||||
|
||||
int noise_modes(magic_api * api, int which)
|
||||
{
|
||||
return(MODE_FULLSCREEN|MODE_PAINT);
|
||||
}
|
||||
|
||||
Loading…
Add table
Add a link
Reference in a new issue