notgne2/tuxpaint-pencil-sharpener
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Thicker XOR outline around stamps

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This commit is contained in:
Bill Kendrick 2023-03-21 23:10:08 -07:00
parent 98cb1e62e7
commit c19f5b1d4c
2 changed files with 39 additions and 0 deletions
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35
src/tuxpaint.c
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@ -20137,6 +20137,23 @@ static void wait_for_sfx(void)
/* XOR-based outline of rubber stamp shapes
(unused if LOW_QUALITY_STAMP_OUTLINE is #defined) */
#if 0
#define STIPLE_W 10
#define STIPLE_H 10
static char stiple[] =
"8844221100"
"8844221100"
"1100884422"
"1100884422"
"4422110088"
"4422110088"
"0088442211"
"0088442211"
"2211008844"
"2211008844"
;
#endif
#if 1
#define STIPLE_W 5
#define STIPLE_H 5
@ -20303,7 +20320,25 @@ static void stamp_xor(int x, int y)
sy = y + yy - stamp_outline_h / 2;
if (stiple[sx % STIPLE_W + sy % STIPLE_H * STIPLE_W] != '8')
continue;
xorpixel(sx, sy);
if (xx < stamp_outline_w - 1) {
if (stiple[(sx + 1) % STIPLE_W + sy % STIPLE_H * STIPLE_W] != '8') {
xorpixel(sx + 1, sy);
}
}
if (yy < stamp_outline_h - 1) {
if (stiple[sx % STIPLE_W + (sy + 1) % STIPLE_H * STIPLE_W] != '8') {
xorpixel(sx, sy + 1);
}
if (xx < stamp_outline_w - 1) {
if (stiple[(sx + 1) % STIPLE_W + (sy + 1) % STIPLE_H * STIPLE_W] != '8') {
xorpixel(sx + 1, sy + 1);
}
}
}
}
}
SDL_UnlockSurface(screen);