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Rain: Support sizes

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This commit is contained in:
Bill Kendrick 2023-04-23 11:56:12 -07:00
parent be1486ccdc
commit 1f6f7bb746
2 changed files with 30 additions and 7 deletions
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3
docs/CHANGES.txt
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@ -6,7 +6,7 @@ Copyright (c) 2002-2023
Various contributors (see below, and AUTHORS.txt)
https://tuxpaint.org/
2023.April.22 (0.9.30)
2023.April.23 (0.9.30)
* Improvements to Stamp tool:
---------------------------
* Avoid playing English descriptive sound for a stamp
@ -55,6 +55,7 @@ https://tuxpaint.org/
+ Noise
+ Pixels
+ Puzzle
+ Rain
+ Rainbow & Smooth Rainbow
+ Remove Color, Keep Color
+ Ripples

34
magic/src/rain.c
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@ -25,7 +25,7 @@
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
(See COPYING.txt)
Last updated: February 12, 2023
Last updated: April 23, 2023
*/
#include <stdio.h>
@ -45,8 +45,8 @@
void rain_click(magic_api *, int, int, SDL_Surface *, SDL_Surface *, int, int,
SDL_Rect *);
static const int rain_SIZE = 30;
static const int rain_AMOUNT = 200;
static int rain_SIZE = 30;
static int rain_AMOUNT = 200;
enum
{
@ -78,7 +78,7 @@ const char *rain_descs[rain_NUM_TOOLS][2] = {
};
Uint32 rain_api_version(void);
int rain_init(magic_api * api);
int rain_init(magic_api * api, Uint32 disabled_features);
int rain_get_tool_count(magic_api * api);
SDL_Surface *rain_get_icon(magic_api * api, int which);
char *rain_get_name(magic_api * api, int which);
@ -104,6 +104,10 @@ void rain_switchin(magic_api * api, int which, int mode,
void rain_switchout(magic_api * api, int which, int mode,
SDL_Surface * canvas);
int rain_modes(magic_api * api, int which);
Uint8 rain_accepted_sizes(magic_api * api, int which, int mode);
Uint8 rain_default_size(magic_api * api, int which, int mode);
void rain_set_size(magic_api * api, int which, int mode, SDL_Surface * canvas, SDL_Surface * last, Uint8 size, SDL_Rect * update_rect);
Uint32 rain_api_version(void)
{
@ -113,14 +117,14 @@ Uint32 rain_api_version(void)
//Checks if a a pixel is inside a raindrop shape centered on the origin
static int rain_inRainShape(double x, double y, double r)
{
if (sqrt(x * x + y * y) < (r * pow(cos(atan2(x, y)), 10.0)))
if (sqrt(x * x + y * y) < (r * pow(cos(atan2(x, y)), (float) (rain_SIZE / 3.0))))
{
return 1;
}
return 0;
}
int rain_init(magic_api * api)
int rain_init(magic_api * api, Uint32 disabled_features ATTRIBUTE_UNUSED)
{
int i;
@ -334,3 +338,21 @@ int rain_modes(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED)
{
return (MODE_FULLSCREEN | MODE_PAINT);
}
Uint8 rain_accepted_sizes(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED, int mode ATTRIBUTE_UNUSED)
{
/* Size affects both fullscreen and paint mode, in Rain tool! */
return 4;
}
Uint8 rain_default_size(magic_api * api ATTRIBUTE_UNUSED, int which ATTRIBUTE_UNUSED, int mode ATTRIBUTE_UNUSED)
{
return 2;
}
void rain_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, SDL_Rect * update_rect ATTRIBUTE_UNUSED)
{
rain_SIZE = size * 15;
rain_AMOUNT = 400 / size;
}