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tuxpaint-pencil-sharpener/magic/src/mirror_f.c
Bill Kendrick e80254df51 Ran indent.sh to re-indent all source code
2025-03-24 19:33:13 -07:00

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/*
mirror_f.c
Mirror and Flip Magic Tools Plugin
Tux Paint - A simple drawing program for children.
Copyright (c) 2002-2024 by Bill Kendrick and others; see AUTHORS.txt
bill@newbreedsoftware.com
https://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: October 7, 2024
*/
#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 */
TX_EXTERN int mirror_f_init(magic_api *, Uint8 disabled_features, Uint8 complexity_level);
TX_EXTERN Uint32 mirror_f_api_version(void);
TX_EXTERN int mirror_f_get_tool_count(magic_api *);
TX_EXTERN SDL_Surface *mirror_f_get_icon(magic_api *, int);
TX_EXTERN char *mirror_f_get_name(magic_api *, int);
TX_EXTERN int mirror_f_get_group(magic_api *, int);
TX_EXTERN int mirror_f_get_order(int);
TX_EXTERN char *mirror_f_get_description(magic_api *, int, int);
TX_EXTERN void mirror_f_drag(magic_api *, int, SDL_Surface *, SDL_Surface *, int, int, int, int, SDL_Rect *);
TX_EXTERN void mirror_f_release(magic_api *, int, SDL_Surface *, SDL_Surface *, int, int, int, int, SDL_Rect *);
TX_EXTERN void mirror_f_click(magic_api *, int, int, SDL_Surface *, SDL_Surface *, int, int, SDL_Rect *);
TX_EXTERN void mirror_f_shutdown(magic_api *);
TX_EXTERN void mirror_f_set_color(magic_api * api, int which,
SDL_Surface * canvas, SDL_Surface * last,
Uint8 r, Uint8 g, Uint8 b, SDL_Rect * update_rect);
TX_EXTERN int mirror_f_requires_colors(magic_api *, int);
TX_EXTERN void mirror_f_switchin(magic_api *, int, int, SDL_Surface *);
TX_EXTERN void mirror_f_switchout(magic_api *, int, int, SDL_Surface *);
TX_EXTERN int mirror_f_modes(magic_api *, int);
TX_EXTERN Uint8 mirror_f_accepted_sizes(magic_api * api, int which, int mode);
TX_EXTERN Uint8 mirror_f_default_size(magic_api * api, int which, int mode);
TX_EXTERN void mirror_f_set_size(magic_api * api, int which, int mode,
SDL_Surface * canvas, SDL_Surface * last, Uint8 size, SDL_Rect * update_rect);
// No setup required:
TX_EXTERN int mirror_f_init(magic_api *api,
Uint8 disabled_features ATTRIBUTE_UNUSED, Uint8 complexity_level ATTRIBUTE_UNUSED)
{
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);
}
TX_EXTERN Uint32 mirror_f_api_version(void)
{
return (TP_MAGIC_API_VERSION);
}
// We have multiple tools:
TX_EXTERN int mirror_f_get_tool_count(magic_api *api ATTRIBUTE_UNUSED)
{
return (NUM_TOOLS);
}
// Load our icons:
TX_EXTERN SDL_Surface *mirror_f_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:
TX_EXTERN char *mirror_f_get_name(magic_api *api ATTRIBUTE_UNUSED, int which)
{
if (which == TOOL_MIRROR)
return (strdup(gettext("Mirror")));
else if (which == TOOL_FLIP)
return (strdup(gettext("Flip")));
return (NULL);
}
// Return our group (the same):
TX_EXTERN int mirror_f_get_group(magic_api *api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED)
{
return MAGIC_TYPE_PICTURE_WARPS;
}
// Return our order:
int mirror_f_get_order(int which)
{
return 100 + which;
}
// Return our descriptions, localized:
TX_EXTERN char *mirror_f_get_description(magic_api *api ATTRIBUTE_UNUSED, int which, int mode ATTRIBUTE_UNUSED)
{
if (which == TOOL_MIRROR)
return (strdup(gettext("Click to make a mirror image.")));
else
return (strdup(gettext("Click to flip the picture upside-down.")));
return (NULL);
}
// We affect the whole canvas, so only do things on click, not drag:
TX_EXTERN void mirror_f_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
}
TX_EXTERN void mirror_f_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:
TX_EXTERN void mirror_f_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:
TX_EXTERN void mirror_f_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:
TX_EXTERN void mirror_f_set_color(magic_api *api ATTRIBUTE_UNUSED,
int which ATTRIBUTE_UNUSED,
SDL_Surface *canvas ATTRIBUTE_UNUSED,
SDL_Surface *last ATTRIBUTE_UNUSED,
Uint8 r ATTRIBUTE_UNUSED,
Uint8 g ATTRIBUTE_UNUSED,
Uint8 b ATTRIBUTE_UNUSED, SDL_Rect *update_rect ATTRIBUTE_UNUSED)
{
}
// We don't use colors:
TX_EXTERN int mirror_f_requires_colors(magic_api *api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED)
{
return 0;
}
TX_EXTERN void mirror_f_switchin(magic_api *api ATTRIBUTE_UNUSED,
int which ATTRIBUTE_UNUSED,
int mode ATTRIBUTE_UNUSED, SDL_Surface *canvas ATTRIBUTE_UNUSED)
{
}
TX_EXTERN void mirror_f_switchout(magic_api *api ATTRIBUTE_UNUSED,
int which ATTRIBUTE_UNUSED,
int mode ATTRIBUTE_UNUSED, SDL_Surface *canvas ATTRIBUTE_UNUSED)
{
}
TX_EXTERN int mirror_f_modes(magic_api *api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED)
{
return (MODE_FULLSCREEN);
}
TX_EXTERN Uint8 mirror_f_accepted_sizes(magic_api *api ATTRIBUTE_UNUSED,
int which ATTRIBUTE_UNUSED, int mode ATTRIBUTE_UNUSED)
{
return 0;
}
TX_EXTERN Uint8 mirror_f_default_size(magic_api *api ATTRIBUTE_UNUSED,
int which ATTRIBUTE_UNUSED, int mode ATTRIBUTE_UNUSED)
{
return 0;
}
TX_EXTERN void mirror_f_set_size(magic_api *api ATTRIBUTE_UNUSED,
int which ATTRIBUTE_UNUSED,
int mode ATTRIBUTE_UNUSED,
SDL_Surface *canvas ATTRIBUTE_UNUSED,
SDL_Surface *last ATTRIBUTE_UNUSED,
Uint8 size ATTRIBUTE_UNUSED, SDL_Rect *update_rect ATTRIBUTE_UNUSED)
{
}
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