notgne2/tuxpaint-pencil-sharpener
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Decided how brush spacing choice relates to spacing

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Max option in the spacing widget will correspond to 2x the maximum
dimension of the brush.
This commit is contained in:
Bill Kendrick 2022-01-19 01:30:08 -08:00
parent ce9e264713
commit 0b18aac985
1 changed files with 14 additions and 6 deletions
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20
src/tuxpaint.c
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@ -1897,6 +1897,9 @@ static int brush_counter, brush_frame;
#define ERASER_MIN 5 /* Smaller than 5 will not render as a circle! */
#define ERASER_MAX 128
#define BRUSH_SPACING_SIZES 12 /* How many brush spacing options to provide
(max will represent ~2x the max dimension of the brush;
min will represent 1 pixel) */
static unsigned cur_color;
static int cur_tool, cur_brush, old_tool;
@ -9079,7 +9082,7 @@ static void draw_brushes(void)
int i, off_y, max, brush;
SDL_Rect src, dest;
int most;
int sizes, size_at;
int frame_w, w, h, size_at;
float x_per, y_per;
int xx, yy;
SDL_Surface *btn, *blnk;
@ -9196,13 +9199,18 @@ static void draw_brushes(void)
if (!disable_brushspacing)
{
sizes = 12;
size_at = 5; /* FIXME (stamp_data[stamp_group][cur_stamp[stamp_group]]->size - MIN_STAMP_SIZE); */
frame_w = img_brushes[cur_brush]->w / abs(brushes_frames[cur_brush]);
w = frame_w / (brushes_directional[cur_brush] ? 3 : 1);
h = img_brushes[cur_brush]->h / (brushes_directional[cur_brush] ? 3 : 1);
x_per = (float)r_ttoolopt.w / sizes;
y_per = (float)button_h / sizes;
/* Spacing ranges from 0px to "2x the max dimension of the brush"
(so a 48x48 brush would have a spacing of 48 if the center option is chosen) */
size_at = (BRUSH_SPACING_SIZES * brushes_spacing[cur_brush]) / (max(w, h) * 2);
for (i = 0; i < sizes; i++)
x_per = (float)r_ttoolopt.w / BRUSH_SPACING_SIZES;
y_per = (float)button_h / BRUSH_SPACING_SIZES;
for (i = 0; i < BRUSH_SPACING_SIZES; i++)
{
xx = ceil(x_per);
yy = ceil(y_per * i);