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WIP - Fuzzy erasers

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Also, mend scroll button / interaction bug in Eraser selector.
This commit is contained in:
Bill Kendrick 2023-05-22 00:33:52 -07:00
parent 644176874c
commit d31bc814e6
2 changed files with 30 additions and 14 deletions
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11
docs/CHANGES.txt
View file

@ -22,6 +22,17 @@ https://tuxpaint.org/
* WIP Squiggles - Draw squiggly shapes.
Bill Kendrick <bill@newbreedsoftware.com>
* Improvements to Shape tool:
---------------------------
* WIP Fuzzy erasers
Bill Kendrick <bill@newbreedsoftware.com>
* Bug Fixes:
----------
* In some window size / button size combinations, Eraser
scroll buttons were missing, and button clicks inaccurate.
Bill Kendrick <bill@newbreedsoftware.com>
* Localization Updates:
---------------------
* Russian translaton

33
src/tuxpaint.c
View file

@ -22,7 +22,7 @@
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
(See COPYING.txt)
June 14, 2002 - May 12, 2023
June 14, 2002 - May 22, 2023
*/
#include "platform.h"
@ -1967,12 +1967,12 @@ static int img_cur_brush_frame_w, img_cur_brush_w, img_cur_brush_h,
img_cur_brush_frames, img_cur_brush_directional, img_cur_brush_rotate, img_cur_brush_spacing;
static int brush_counter, brush_frame;
#define NUM_ERASERS 16 /* How many sizes of erasers
#define NUM_ERASERS 24 /* How many sizes of erasers
(from ERASER_MIN to _MAX as squares, then again
from ERASER_MIN to _MAX as circles;
must be a multiple of 2;
best if a multiple of 4, since selector is 2 buttons across) */
#define NUM_ERASER_SIZES (NUM_ERASERS / 2)
#define NUM_ERASER_SIZES (NUM_ERASERS / 3)
#define ERASER_MIN 5 /* Smaller than 5 will not render as a circle! */
#define ERASER_MAX 128
@ -6586,7 +6586,7 @@ static void mainloop(void)
sz = calc_eraser_size(cur_eraser);
if (cur_eraser >= NUM_ERASER_SIZES)
{
/* Circle eraser */
/* Circle eraser (sharp & fuzzy) */
circle_xor(new_x, new_y, sz / 2);
}
else
@ -6653,6 +6653,8 @@ static void mainloop(void)
}
else
{
w = calc_eraser_size(cur_eraser);
/*
if (cur_eraser < NUM_ERASER_SIZES)
{
w = (ERASER_MIN +
@ -6664,7 +6666,7 @@ static void mainloop(void)
((NUM_ERASER_SIZES - (cur_eraser - NUM_ERASERS / 2) - 1) *
((ERASER_MAX - ERASER_MIN) / (NUM_ERASER_SIZES - 1))));
}
*/
h = w;
}
@ -6739,7 +6741,7 @@ static void mainloop(void)
{
if (cur_tool == TOOL_ERASER && cur_eraser >= NUM_ERASERS / 2)
{
/* Circle eraser */
/* Circle eraser (sharp & fuzzy) */
circle_xor(old_x, old_y, calc_eraser_size(cur_eraser) / 2);
}
else
@ -6770,7 +6772,7 @@ static void mainloop(void)
{
if (cur_tool == TOOL_ERASER && cur_eraser >= NUM_ERASERS / 2)
{
/* Circle eraser */
/* Circle eraser (sharp & fuzzy) */
circle_xor(new_x, new_y, calc_eraser_size(cur_eraser) / 2);
}
else
@ -11173,7 +11175,7 @@ static void draw_erasers(void)
/* Do we need scrollbars? */
if (NUM_FILLS > most + TOOLOFFSET)
if (NUM_ERASERS > most + TOOLOFFSET)
{
most = most - gd_toolopt.cols; /* was 12 */
off_y = img_scroll_up->h;
@ -11230,7 +11232,7 @@ static void draw_erasers(void)
if (i < NUM_ERASERS)
{
if (i < NUM_ERASERS / 2)
if (i < NUM_ERASER_SIZES)
{
/* Square */
@ -11269,16 +11271,20 @@ static void draw_erasers(void)
}
else
{
int fuzzy;
/* Circle */
sz = (2 + ((NUM_ERASER_SIZES - 1 - (i - NUM_ERASERS / 2)) * (38 / (NUM_ERASER_SIZES - 1)))) * button_scale;
fuzzy = (i >= NUM_ERASER_SIZES * 2);
sz = (2 + ((NUM_ERASER_SIZES - 1 - (i % NUM_ERASER_SIZES)) * (38 / (NUM_ERASER_SIZES - 1)))) * button_scale;
x = ((i % 2) * button_w) + WINDOW_WIDTH - r_ttoolopt.w + 24 * button_scale - sz / 2;
y = ((j / 2) * button_h) + 40 * button_scale + 24 * button_scale - sz / 2 + off_y;
for (yy = 0; yy <= sz; yy++)
for (yy = 0; yy <= sz; yy += (fuzzy + 1))
{
for (xx = 0; xx <= sz; xx++)
for (xx = (yy % (fuzzy + 1)); xx <= sz; xx += (fuzzy + 1))
{
n = (xx * xx) + (yy * yy) - ((sz / 2) * (sz / 2));
@ -11291,7 +11297,6 @@ static void draw_erasers(void)
putpixel(screen, (x + sz / 2) + xx, (y + sz / 2) - yy, SDL_MapRGB(screen->format, 0, 0, 0));
putpixel(screen, (x + sz / 2) - xx, (y + sz / 2) - yy, SDL_MapRGB(screen->format, 0, 0, 0));
}
}
}
@ -12195,7 +12200,7 @@ static void circle_xor(int x, int y, int sz)
static int calc_eraser_size(int which_eraser)
{
if (which_eraser >= NUM_ERASER_SIZES)
while (which_eraser >= NUM_ERASER_SIZES)
which_eraser -= NUM_ERASER_SIZES;
return (((NUM_ERASER_SIZES - 1 - which_eraser) * ((ERASER_MAX - ERASER_MIN) / (NUM_ERASER_SIZES - 1))) + ERASER_MIN);