notgne2/tuxpaint-pencil-sharpener
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Round erasers added.

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This commit is contained in:
William Kendrick 2006-02-18 10:45:14 +00:00
parent 79141902ee
commit fff8512815
2 changed files with 162 additions and 49 deletions
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9
docs/CHANGES.txt
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@ -29,13 +29,14 @@ $Id$
Discovered (or assumed) window size and directory settings are shown Discovered (or assumed) window size and directory settings are shown
when tuxpaint-import is first run (even with no arguments). when tuxpaint-import is first run (even with no arguments).
* Magic tool improvements: * Tool improvements:
------------------------ ------------------------
* Sparkles can now be different colors. * Magic Sparkles can now be different colors.
* Negative, Fade, Darken, Tint and Cartoon all now apply with a circular * Magic Negative, Fade, Darken, Tint and Cartoon all now apply with a
shape, rather than a square. circular shape, rather than a square.
* Round erasers added.
* Translation Updates: * Translation Updates:
-------------------- --------------------

200
src/tuxpaint.c
View file

@ -1612,7 +1612,9 @@ static int colors_are_selectable;
static SDL_Surface * img_cur_brush; static SDL_Surface * img_cur_brush;
static int brush_counter, rainbow_color; static int brush_counter, rainbow_color;
#define NUM_ERASERS 6 /* How many sizes of erasers (from ERASER_MIN to _MAX) */ #define NUM_ERASERS 12 /* How many sizes of erasers
(from ERASER_MIN to _MAX as squares, then again
from ERASER_MIN to _MAX as circles) */
#define ERASER_MIN 13 #define ERASER_MIN 13
#define ERASER_MAX 128 #define ERASER_MAX 128
@ -3796,9 +3798,18 @@ static void mainloop(void)
} }
else else
{ {
w = (ERASER_MIN + if (cur_eraser < NUM_ERASERS / 2)
((NUM_ERASERS - cur_eraser - 1) * {
((ERASER_MAX - ERASER_MIN) / (NUM_ERASERS - 1)))); w = (ERASER_MIN +
(((NUM_ERASERS / 2) - cur_eraser - 1) *
((ERASER_MAX - ERASER_MIN) / ((NUM_ERASERS / 2) - 1))));
}
else
{
w = (ERASER_MIN +
(((NUM_ERASERS / 2) - (cur_eraser - NUM_ERASERS / 2) - 1) *
((ERASER_MAX - ERASER_MIN) / ((NUM_ERASERS / 2) - 1))));
}
h = w; h = w;
} }
@ -9189,8 +9200,11 @@ static void draw_shapes(void)
static void draw_erasers(void) static void draw_erasers(void)
{ {
int i, x, y, sz; int i, x, y, sz;
int xx, yy, n;
void (*putpixel)(SDL_Surface *, int, int, Uint32);
SDL_Rect dest; SDL_Rect dest;
putpixel = putpixels[screen->format->BytesPerPixel];
draw_image_title(TITLE_ERASERS, r_ttoolopt); draw_image_title(TITLE_ERASERS, r_ttoolopt);
@ -9216,42 +9230,80 @@ static void draw_erasers(void)
if (i < NUM_ERASERS) if (i < NUM_ERASERS)
{ {
sz = (2 + ((NUM_ERASERS - 1 - i) * (38 / (NUM_ERASERS - 1)))); if (i < NUM_ERASERS / 2)
{
/* Square */
x = ((i % 2) * 48) + WINDOW_WIDTH - 96 + 24 - sz / 2; sz = (2 + (((NUM_ERASERS / 2) - 1 - i) * (38 / ((NUM_ERASERS / 2) - 1))));
y = ((i / 2) * 48) + 40 + 24 - sz / 2;
dest.x = x; x = ((i % 2) * 48) + WINDOW_WIDTH - 96 + 24 - sz / 2;
dest.y = y; y = ((i / 2) * 48) + 40 + 24 - sz / 2;
dest.w = sz;
dest.h = 2;
SDL_FillRect(screen, &dest, dest.x = x;
SDL_MapRGB(screen->format, 0, 0, 0)); dest.y = y;
dest.w = sz;
dest.h = 2;
dest.x = x; SDL_FillRect(screen, &dest,
dest.y = y + sz - 2; SDL_MapRGB(screen->format, 0, 0, 0));
dest.w = sz;
dest.h = 2;
SDL_FillRect(screen, &dest, dest.x = x;
SDL_MapRGB(screen->format, 0, 0, 0)); dest.y = y + sz - 2;
dest.w = sz;
dest.h = 2;
dest.x = x; SDL_FillRect(screen, &dest,
dest.y = y; SDL_MapRGB(screen->format, 0, 0, 0));
dest.w = 2;
dest.h = sz;
SDL_FillRect(screen, &dest, dest.x = x;
SDL_MapRGB(screen->format, 0, 0, 0)); dest.y = y;
dest.w = 2;
dest.h = sz;
dest.x = x + sz - 2; SDL_FillRect(screen, &dest,
dest.y = y; SDL_MapRGB(screen->format, 0, 0, 0));
dest.w = 2;
dest.h = sz;
SDL_FillRect(screen, &dest, dest.x = x + sz - 2;
SDL_MapRGB(screen->format, 0, 0, 0)); dest.y = y;
dest.w = 2;
dest.h = sz;
SDL_FillRect(screen, &dest,
SDL_MapRGB(screen->format, 0, 0, 0));
}
else
{
/* Circle */
sz = (2 + (((NUM_ERASERS / 2) - 1 - (i - NUM_ERASERS / 2)) * (38 / ((NUM_ERASERS / 2) - 1))));
x = ((i % 2) * 48) + WINDOW_WIDTH - 96 + 24 - sz / 2;
y = ((i / 2) * 48) + 40 + 24 - sz / 2;
for (yy = 0; yy <= sz; yy++)
{
for (xx = 0; xx <= sz; xx++)
{
n = (xx * xx) + (yy * yy) - ((sz / 2) * (sz / 2));
if (n >= -sz && n <= sz)
{
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));
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));
}
}
}
}
} }
} }
} }
@ -9868,24 +9920,84 @@ static void do_eraser(int x, int y)
{ {
SDL_Rect dest; SDL_Rect dest;
int sz; int sz;
int xx, yy, n, hit;
sz = (ERASER_MIN + if (cur_eraser < NUM_ERASERS / 2)
((NUM_ERASERS - 1 - cur_eraser) *
((ERASER_MAX - ERASER_MIN) / (NUM_ERASERS - 1))));
dest.x = x - (sz / 2);
dest.y = y - (sz / 2);
dest.w = sz;
dest.h = sz;
if (img_starter_bkgd == NULL)
{ {
SDL_FillRect(canvas, &dest, /* Square eraser: */
SDL_MapRGB(canvas->format, 255, 255, 255));
sz = (ERASER_MIN +
(((NUM_ERASERS / 2) - 1 - cur_eraser) *
((ERASER_MAX - ERASER_MIN) / ((NUM_ERASERS / 2) - 1))));
dest.x = x - (sz / 2);
dest.y = y - (sz / 2);
dest.w = sz;
dest.h = sz;
if (img_starter_bkgd == NULL)
{
SDL_FillRect(canvas, &dest,
SDL_MapRGB(canvas->format, 255, 255, 255));
}
else
{
SDL_BlitSurface(img_starter_bkgd, &dest, canvas, &dest);
}
} }
else else
{ {
SDL_BlitSurface(img_starter_bkgd, &dest, canvas, &dest); /* Round eraser: */
sz = (ERASER_MIN +
(((NUM_ERASERS / 2) - 1 - (cur_eraser - (NUM_ERASERS / 2))) *
((ERASER_MAX - ERASER_MIN) / ((NUM_ERASERS / 2) - 1))));
for (yy = 0; yy < sz; yy++)
{
hit = 0;
for (xx = 0; xx <= sz && hit == 0; xx++)
{
n = (xx * xx) + (yy * yy) - ((sz / 2) * (sz / 2));
if (n >= -sz && n <= sz)
hit = 1;
if (hit)
{
dest.x = x - xx;
dest.y = y - yy;
dest.w = xx * 2;
dest.h = 1;
if (img_starter_bkgd == NULL)
{
SDL_FillRect(canvas, &dest,
SDL_MapRGB(canvas->format, 255, 255, 255));
}
else
{
SDL_BlitSurface(img_starter_bkgd, &dest, canvas, &dest);
}
dest.x = x - xx;
dest.y = y + yy;
dest.w = xx * 2;
dest.h = 1;
if (img_starter_bkgd == NULL)
{
SDL_FillRect(canvas, &dest,
SDL_MapRGB(canvas->format, 255, 255, 255));
}
else
{
SDL_BlitSurface(img_starter_bkgd, &dest, canvas, &dest);
}
}
}
}
} }