tuxpaint-pencil-sharpener/magic/src/mirror_flip.c
Bill Kendrick cc05925d9e Re-ran indent on all .c & .h source code files
Like so --
  find . -name "*.c" -or -name "*.h" -exec  indent -nbfda -npcs -npsl -bli0 --no-tabs {} \;

The `indent` invocation differs from the last one noted in
CHANGES.txt (from 2006!?), in that I've added "--no-tabs",
to ensure indents are all space-based.
2022-09-15 00:14:20 -07:00

260 lines
7.3 KiB
C

/*
mirror_flip.c
Mirror and Flip Magic Tools Plugin
Tux Paint - A simple drawing program for children.
Copyright (c) 2002-2021 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: September 20, 2021
$Id$
*/
#include <stdio.h>
#include <string.h>
#include "tp_magic_api.h"
#include "SDL_image.h"
#include "SDL_mixer.h"
/* What tools we contain: */
enum
{
TOOL_MIRROR,
TOOL_FLIP,
NUM_TOOLS
};
static Mix_Chunk *snd_effects[NUM_TOOLS];
/* Prototypes */
int mirror_flip_init(magic_api *);
Uint32 mirror_flip_api_version(void);
int mirror_flip_get_tool_count(magic_api *);
SDL_Surface *mirror_flip_get_icon(magic_api *, int);
char *mirror_flip_get_name(magic_api *, int);
int mirror_flip_get_group(magic_api *, int);
char *mirror_flip_get_description(magic_api *, int, int);
void mirror_flip_drag(magic_api *, int, SDL_Surface *, SDL_Surface *, int,
int, int, int, SDL_Rect *);
void mirror_flip_release(magic_api *, int, SDL_Surface *, SDL_Surface *, int,
int, int, int, SDL_Rect *);
void mirror_flip_click(magic_api *, int, int, SDL_Surface *, SDL_Surface *,
int, int, SDL_Rect *);
void mirror_flip_shutdown(magic_api *);
void mirror_flip_set_color(magic_api *, Uint8, Uint8, Uint8);
int mirror_flip_requires_colors(magic_api *, int);
void mirror_flip_switchin(magic_api *, int, int, SDL_Surface *);
void mirror_flip_switchout(magic_api *, int, int, SDL_Surface *);
int mirror_flip_modes(magic_api *, int);
// No setup required:
int mirror_flip_init(magic_api * api)
{
char fname[1024];
snprintf(fname, sizeof(fname), "%ssounds/magic/mirror.wav",
api->data_directory);
snd_effects[TOOL_MIRROR] = Mix_LoadWAV(fname);
snprintf(fname, sizeof(fname), "%ssounds/magic/flip.wav",
api->data_directory);
snd_effects[TOOL_FLIP] = Mix_LoadWAV(fname);
return (1);
}
Uint32 mirror_flip_api_version(void)
{
return (TP_MAGIC_API_VERSION);
}
// We have multiple tools:
int mirror_flip_get_tool_count(magic_api * api ATTRIBUTE_UNUSED)
{
return (NUM_TOOLS);
}
// Load our icons:
SDL_Surface *mirror_flip_get_icon(magic_api * api, int which)
{
char fname[1024];
if (which == TOOL_MIRROR)
{
snprintf(fname, sizeof(fname), "%simages/magic/mirror.png",
api->data_directory);
}
else if (which == TOOL_FLIP)
{
snprintf(fname, sizeof(fname), "%simages/magic/flip.png",
api->data_directory);
}
return (IMG_Load(fname));
}
// Return our names, localized:
char *mirror_flip_get_name(magic_api * api ATTRIBUTE_UNUSED, int which)
{
if (which == TOOL_MIRROR)
return (strdup(gettext_noop("Mirror")));
else if (which == TOOL_FLIP)
return (strdup(gettext_noop("Flip")));
return (NULL);
}
// Return our group (the same):
int mirror_flip_get_group(magic_api * api ATTRIBUTE_UNUSED,
int which ATTRIBUTE_UNUSED)
{
return MAGIC_TYPE_PICTURE_WARPS;
}
// Return our descriptions, localized:
char *mirror_flip_get_description(magic_api * api ATTRIBUTE_UNUSED, int which,
int mode ATTRIBUTE_UNUSED)
{
if (which == TOOL_MIRROR)
return (strdup(gettext_noop("Click to make a mirror image.")));
else
return (strdup(gettext_noop("Click to flip the picture upside-down.")));
return (NULL);
}
// We affect the whole canvas, so only do things on click, not drag:
void mirror_flip_drag(magic_api * api ATTRIBUTE_UNUSED,
int which ATTRIBUTE_UNUSED,
SDL_Surface * canvas ATTRIBUTE_UNUSED,
SDL_Surface * last ATTRIBUTE_UNUSED,
int ox ATTRIBUTE_UNUSED, int oy ATTRIBUTE_UNUSED,
int x ATTRIBUTE_UNUSED, int y ATTRIBUTE_UNUSED,
SDL_Rect * update_rect ATTRIBUTE_UNUSED)
{
// No-op
}
void mirror_flip_release(magic_api * api ATTRIBUTE_UNUSED,
int which ATTRIBUTE_UNUSED,
SDL_Surface * canvas ATTRIBUTE_UNUSED,
SDL_Surface * last ATTRIBUTE_UNUSED,
int ox ATTRIBUTE_UNUSED, int oy ATTRIBUTE_UNUSED,
int x ATTRIBUTE_UNUSED, int y ATTRIBUTE_UNUSED,
SDL_Rect * update_rect ATTRIBUTE_UNUSED)
{
// No-op
}
// Affect the canvas on click:
void mirror_flip_click(magic_api * api, int which, int mode ATTRIBUTE_UNUSED,
SDL_Surface * canvas, SDL_Surface * last,
int x ATTRIBUTE_UNUSED, int y ATTRIBUTE_UNUSED,
SDL_Rect * update_rect)
{
int xx, yy;
SDL_Rect src, dest;
if (which == TOOL_MIRROR)
{
for (xx = 0; xx < canvas->w; xx++)
{
src.x = xx;
src.y = 0;
src.w = 1;
src.h = canvas->h;
dest.x = canvas->w - xx - 1;
dest.y = 0;
SDL_BlitSurface(last, &src, canvas, &dest);
}
api->special_notify(SPECIAL_MIRROR);
}
else if (which == TOOL_FLIP)
{
for (yy = 0; yy < canvas->h; yy++)
{
src.x = 0;
src.y = yy;
src.w = canvas->w;
src.h = 1;
dest.x = 0;
dest.y = canvas->h - yy - 1;
SDL_BlitSurface(last, &src, canvas, &dest);
}
api->special_notify(SPECIAL_FLIP);
}
update_rect->x = 0;
update_rect->y = 0;
update_rect->w = canvas->w;
update_rect->h = canvas->h;
api->playsound(snd_effects[which], 128, 255);
}
// No setup happened:
void mirror_flip_shutdown(magic_api * api ATTRIBUTE_UNUSED)
{
if (snd_effects[0] != NULL)
Mix_FreeChunk(snd_effects[0]);
if (snd_effects[1] != NULL)
Mix_FreeChunk(snd_effects[1]);
}
// We don't use colors:
void mirror_flip_set_color(magic_api * api ATTRIBUTE_UNUSED,
Uint8 r ATTRIBUTE_UNUSED, Uint8 g ATTRIBUTE_UNUSED,
Uint8 b ATTRIBUTE_UNUSED)
{
}
// We don't use colors:
int mirror_flip_requires_colors(magic_api * api ATTRIBUTE_UNUSED,
int which ATTRIBUTE_UNUSED)
{
return 0;
}
void mirror_flip_switchin(magic_api * api ATTRIBUTE_UNUSED,
int which ATTRIBUTE_UNUSED,
int mode ATTRIBUTE_UNUSED,
SDL_Surface * canvas ATTRIBUTE_UNUSED)
{
}
void mirror_flip_switchout(magic_api * api ATTRIBUTE_UNUSED,
int which ATTRIBUTE_UNUSED,
int mode ATTRIBUTE_UNUSED,
SDL_Surface * canvas ATTRIBUTE_UNUSED)
{
}
int mirror_flip_modes(magic_api * api ATTRIBUTE_UNUSED,
int which ATTRIBUTE_UNUSED)
{
return (MODE_FULLSCREEN);
}