Merge branch 'master' into sdl2.0

There are problems with im that should be investigated...
This commit is contained in:
Pere Pujal i Carabantes 2021-10-24 11:47:54 +02:00
commit 9cf77f684c
184 changed files with 9413 additions and 8107 deletions

View file

@ -1,6 +1,6 @@
/* halftone.c
Last modified: 2021.09.21
Last modified: 2021.10.24
*/
@ -340,7 +340,11 @@ void halftone_line_callback(void *ptr, int which ATTRIBUTE_UNUSED,
'square' buffer (which starts as white)
(since the target is RGB, we use `min()`) */
SDL_GetRGB(api->getpixel(square, sqx, sqy), square->format, &or, &og, &ob);
pixel = SDL_MapRGB(square->format, min(r * 1.2, or), min(g * 1.2, og), min(b * 1.2, ob));
pixel = SDL_MapRGB(square->format,
min((Uint8) (r * 1.2), or),
min((Uint8) (g * 1.2), og),
min((Uint8) (b * 1.2), ob)
);
api->putpixel(square, sqx, sqy, pixel);
}
}

View file

@ -3,7 +3,7 @@
Draws a lightning strike between the click
and drag+release positions.
Last modified: 2021.09.27
Last modified: 2021.10.24
*/
#include <stdio.h>
@ -20,10 +20,27 @@ float lightning_h, lightning_s, lightning_v;
int sx, sy;
Uint32 lightning_api_version(void);
int lightning_init(magic_api * api);
int lightning_get_tool_count(magic_api * api);
SDL_Surface *lightning_get_icon(magic_api * api, int which);
char *lightning_get_name(magic_api * api, int which);
int lightning_get_group(magic_api * api, int which);
char *lightning_get_description(magic_api * api, int which, int mode);
int lightning_requires_colors(magic_api * api, int which);
int lightning_modes(magic_api * api, int which);
void lightning_shutdown(magic_api * api);
void lightning_click(magic_api * api, int which, int mode,
SDL_Surface * canvas, SDL_Surface * snapshot, int x, int y, SDL_Rect * update_rect);
void lightning_set_color(magic_api * api, Uint8 r, Uint8 g, Uint8 b);
void lightning_drag(magic_api * api, int which, SDL_Surface * canvas,
SDL_Surface * snapshot, int ox, int oy, int x, int y, SDL_Rect * update_rect);
void lightning_line_callback_drag(void *ptr, int which, SDL_Surface * canvas, SDL_Surface * snapshot, int x, int y);
void lightning_draw_bolt(void * ptr, SDL_Surface * canvas, SDL_Surface * snapshot, float sx, float sy, float angle, float len, int thickness);
void lightning_release(magic_api * api, int which,
SDL_Surface * canvas, SDL_Surface * snapshot, int x, int y, SDL_Rect * update_rect);
void lightning_switchin(magic_api * api, int which, int mode, SDL_Surface * canvas);
void lightning_switchout(magic_api * api, int which, int mode, SDL_Surface * canvas);
Uint32 lightning_api_version(void)
@ -41,13 +58,13 @@ int lightning_init(magic_api * api)
return (1);
}
int lightning_get_tool_count(magic_api * api)
int lightning_get_tool_count(magic_api * api ATTRIBUTE_UNUSED)
{
return (1);
}
SDL_Surface *lightning_get_icon(magic_api * api, int which)
SDL_Surface *lightning_get_icon(magic_api * api, int which ATTRIBUTE_UNUSED)
{
char fname[1024];
@ -56,32 +73,32 @@ SDL_Surface *lightning_get_icon(magic_api * api, int which)
return (IMG_Load(fname));
}
char *lightning_get_name(magic_api * api, int which)
char *lightning_get_name(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED)
{
return strdup(gettext("Lightning"));
}
int lightning_get_group(magic_api * api, int which)
int lightning_get_group(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED)
{
return MAGIC_TYPE_ARTISTIC;
}
char *lightning_get_description(magic_api * api, int which, int mode)
char *lightning_get_description(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED, int mode ATTRIBUTE_UNUSED)
{
return strdup(gettext("Click, drag, and release to a lightning bolt between two points."));
}
int lightning_requires_colors(magic_api * api, int which)
int lightning_requires_colors(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED)
{
return 1;
}
int lightning_modes(magic_api * api, int which)
int lightning_modes(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED)
{
return MODE_PAINT;
}
void lightning_shutdown(magic_api * api)
void lightning_shutdown(magic_api * api ATTRIBUTE_UNUSED)
{
if (snd_effect != NULL)
Mix_FreeChunk(snd_effect);
@ -89,7 +106,7 @@ void lightning_shutdown(magic_api * api)
void
lightning_click(magic_api * api, int which, int mode,
lightning_click(magic_api * api, int which, int mode ATTRIBUTE_UNUSED,
SDL_Surface * canvas, SDL_Surface * snapshot, int x, int y, SDL_Rect * update_rect)
{
sx = x;
@ -100,7 +117,8 @@ lightning_click(magic_api * api, int which, int mode,
void
lightning_drag(magic_api * api, int which, SDL_Surface * canvas,
SDL_Surface * snapshot, int ox, int oy, int x, int y, SDL_Rect * update_rect)
SDL_Surface * snapshot, int ox ATTRIBUTE_UNUSED, int oy ATTRIBUTE_UNUSED,
int x, int y, SDL_Rect * update_rect)
{
/* FIXME: This could be made more efficient
(only blit and update between (sx,sy) and (x,y), though
@ -118,7 +136,7 @@ lightning_drag(magic_api * api, int which, SDL_Surface * canvas,
void
lightning_release(magic_api * api, int which,
lightning_release(magic_api * api, int which ATTRIBUTE_UNUSED,
SDL_Surface * canvas, SDL_Surface * snapshot, int x, int y, SDL_Rect * update_rect)
{
float a, b, len, angle;
@ -166,9 +184,9 @@ void lightning_draw_bolt(void * ptr, SDL_Surface * canvas, SDL_Surface * snapsho
{
magic_api *api = (magic_api *) ptr;
float i;
float x, y, orig_angle, pct;
float x, y, orig_angle;
int xx, yy, t;
Uint8 r, g, b, or, og, ob;
Uint8 r, g, b;
float h, s, v, new_h, new_s, new_v;
float adj;
@ -197,11 +215,10 @@ void lightning_draw_bolt(void * ptr, SDL_Surface * canvas, SDL_Surface * snapsho
{
if (api->in_circle(xx, yy, t))
{
float light_h, light_s, light_v;
float light_h, light_s;
light_h = lightning_h;
light_s = lightning_s;
light_v = lightning_v;
SDL_GetRGB(api->getpixel(canvas, x + xx, y + yy), canvas->format, &r, &g, &b);
api->rgbtohsv(r, g, b, &h, &s, &v);
@ -262,17 +279,17 @@ void lightning_set_color(magic_api * api, Uint8 r, Uint8 g, Uint8 b)
}
void lightning_line_callback_drag(void *ptr, int which, SDL_Surface * canvas, SDL_Surface * snapshot, int x, int y)
void lightning_line_callback_drag(void *ptr, int which ATTRIBUTE_UNUSED, SDL_Surface * canvas, SDL_Surface * snapshot ATTRIBUTE_UNUSED, int x, int y)
{
magic_api *api = (magic_api *) ptr;
api->xorpixel(canvas, x, y);
}
void lightning_switchin(magic_api * api, int which, int mode, SDL_Surface * canvas)
void lightning_switchin(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED, int mode ATTRIBUTE_UNUSED, SDL_Surface * canvas ATTRIBUTE_UNUSED)
{
}
void lightning_switchout(magic_api * api, int which, int mode, SDL_Surface * canvas)
void lightning_switchout(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED, int mode ATTRIBUTE_UNUSED, SDL_Surface * canvas ATTRIBUTE_UNUSED)
{
}

286
magic/src/stretch.c Normal file
View file

@ -0,0 +1,286 @@
/*
stretch.c
"Stretch" Magic Tools Plugin
Tux Paint - A simple drawing program for children.
By Bill Kendrick
Some parts based on "Blind" Magic Tool by Pere Pujal Carabantes
Copyright (c) 2021
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)
*/
#include "tp_magic_api.h"
#include "SDL_image.h"
#include "SDL_mixer.h"
int stretch_side, stretch_start_x, stretch_start_y;
enum stretch_sides
{
STRETCH_DIRECTION_VERT,
STRETCH_DIRECTION_HORIZ
};
enum stretch_tools
{
STRETCH_TOOL_STRETCH,
STRETCH_NUMTOOLS
};
Mix_Chunk *stretch_snd;
// Prototypes
Uint32 stretch_api_version(void);
void stretch_set_color(magic_api * api, Uint8 r, Uint8 g, Uint8 b);
int stretch_init(magic_api * api);
int stretch_get_tool_count(magic_api * api);
SDL_Surface *stretch_get_icon(magic_api * api, int which);
char *stretch_get_name(magic_api * api, int which);
int stretch_get_group(magic_api * api, int which);
char *stretch_get_description(magic_api * api, int which, int mode);
int stretch_requires_colors(magic_api * api, int which);
void stretch_release(magic_api * api, int which,
SDL_Surface * canvas, SDL_Surface * snapshot, int x, int y, SDL_Rect * update_rect);
void stretch_shutdown(magic_api * api);
void stretch_paint_stretch(void *ptr_to_api, int which_tool, SDL_Surface * canvas, SDL_Surface * snapshot, int x, int y);
void stretch_drag(magic_api * api, int which, SDL_Surface * canvas,
SDL_Surface * snapshot, int ox, int oy, int x, int y, SDL_Rect * update_rect);
void stretch_click(magic_api * api, int which, int mode,
SDL_Surface * canvas, SDL_Surface * last, int x, int y, SDL_Rect * update_rect);
void stretch_switchin(magic_api * api, int which, int mode, SDL_Surface * canvas);
void stretch_switchout(magic_api * api, int which, int mode, SDL_Surface * canvas);
int stretch_modes(magic_api * api, int which);
// Housekeeping functions
Uint32 stretch_api_version(void)
{
return (TP_MAGIC_API_VERSION);
}
void stretch_set_color(magic_api * api ATTRIBUTE_UNUSED, Uint8 r ATTRIBUTE_UNUSED, Uint8 g ATTRIBUTE_UNUSED, Uint8 b ATTRIBUTE_UNUSED)
{
}
int stretch_init(magic_api * api)
{
char fname[1024];
snprintf(fname, sizeof(fname), "%s/sounds/magic/stretch.ogg", api->data_directory);
stretch_snd = Mix_LoadWAV(fname);
return (1);
}
int stretch_get_tool_count(magic_api * api ATTRIBUTE_UNUSED)
{
return STRETCH_NUMTOOLS;
}
SDL_Surface *stretch_get_icon(magic_api * api, int which ATTRIBUTE_UNUSED)
{
char fname[1024];
snprintf(fname, sizeof(fname), "%s/images/magic/stretch.png", api->data_directory);
return (IMG_Load(fname));
}
char *stretch_get_name(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED)
{
return strdup(gettext_noop("Stretch"));
}
int stretch_get_group(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED)
{
return MAGIC_TYPE_PICTURE_WARPS;
}
char *stretch_get_description(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED, int mode ATTRIBUTE_UNUSED)
{
return
strdup(gettext_noop
("Click and drag to stretch part of your picture vertically or horizontally."));
}
int stretch_requires_colors(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED)
{
return 0;
}
void stretch_release(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED,
SDL_Surface * canvas ATTRIBUTE_UNUSED, SDL_Surface * snapshot ATTRIBUTE_UNUSED,
int x ATTRIBUTE_UNUSED, int y ATTRIBUTE_UNUSED, SDL_Rect * update_rect ATTRIBUTE_UNUSED)
{
}
void stretch_shutdown(magic_api * api ATTRIBUTE_UNUSED)
{
Mix_FreeChunk(stretch_snd);
}
// Interactivity functions
void stretch_drag(magic_api * api, int which ATTRIBUTE_UNUSED, SDL_Surface * canvas,
SDL_Surface * snapshot, int ox ATTRIBUTE_UNUSED, int oy ATTRIBUTE_UNUSED,
int x, int y, SDL_Rect * update_rect)
{
SDL_Rect src, dest;
float xx, yy;
float divisor1, divisor2;
SDL_BlitSurface(snapshot, NULL, canvas, NULL);
switch (stretch_side)
{
case STRETCH_DIRECTION_VERT:
{
if (y != stretch_start_y)
{
divisor1 = (float) y / (float) stretch_start_y;
divisor2 = (float) (canvas->h - y) / (float) (canvas->h - stretch_start_y);
for (yy = 0; yy < y; yy++)
{
src.x = 0;
src.y = (yy / divisor1);
src.w = canvas->w;
src.h = 1;
dest.x = 0;
dest.y = yy;
dest.w = canvas->w;
dest.h = 1;
SDL_BlitSurface(snapshot, &src, canvas, &dest);
}
for (yy = y; yy < canvas->h; yy++)
{
src.x = 0;
src.y = stretch_start_y + ((yy - y) / divisor2);
src.w = canvas->w;
src.h = 1;
dest.x = 0;
dest.y = yy;
dest.w = canvas->w;
dest.h = 1;
SDL_BlitSurface(snapshot, &src, canvas, &dest);
}
api->playsound(stretch_snd, 128, 255);
}
break;
}
case STRETCH_DIRECTION_HORIZ:
{
if (x != stretch_start_x)
{
divisor1 = (float) x / (float) stretch_start_x;
divisor2 = (float) (canvas->w - x) / (float) (canvas->w - stretch_start_x);
for (xx = 0; xx < x; xx++)
{
src.x = (xx / divisor1);
src.y = 0;
src.w = 1;
src.h = canvas->h;
dest.x = xx;
dest.y = 0;
dest.w = 1;
dest.h = canvas->h;
SDL_BlitSurface(snapshot, &src, canvas, &dest);
}
for (xx = x; xx < canvas->w; xx++)
{
src.x = stretch_start_x + ((xx - x) / divisor2);
src.y = 0;
src.w = 1;
src.h = canvas->h;
dest.x = xx;
dest.y = 0;
dest.w = 1;
dest.h = canvas->h;
SDL_BlitSurface(snapshot, &src, canvas, &dest);
}
api->playsound(stretch_snd, (x * 255) / canvas->w, 255);
}
break;
}
}
update_rect->x = 0;
update_rect->y = 0;
update_rect->w = canvas->w;
update_rect->h = canvas->h;
}
void stretch_click(magic_api * api, int which, int mode ATTRIBUTE_UNUSED,
SDL_Surface * canvas, SDL_Surface * last, int x, int y, SDL_Rect * update_rect)
{
if (y < canvas->h / 2)
{
if (x < y)
stretch_side = STRETCH_DIRECTION_HORIZ;
else if (canvas->w - x < y)
stretch_side = STRETCH_DIRECTION_HORIZ;
else
stretch_side = STRETCH_DIRECTION_VERT;
}
else
{
if (x < canvas->h - y)
stretch_side = STRETCH_DIRECTION_HORIZ;
else if (canvas->w - x < canvas->h - y)
stretch_side = STRETCH_DIRECTION_HORIZ;
else
stretch_side = STRETCH_DIRECTION_VERT;
}
stretch_start_x = x;
stretch_start_y = y;
stretch_drag(api, which, canvas, last, x, y, x, y, update_rect);
}
void stretch_switchin(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED, int mode ATTRIBUTE_UNUSED,
SDL_Surface * canvas ATTRIBUTE_UNUSED)
{
}
void stretch_switchout(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED, int mode ATTRIBUTE_UNUSED,
SDL_Surface * canvas ATTRIBUTE_UNUSED)
{
}
int stretch_modes(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED)
{
return (MODE_PAINT);
}