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Fixed handling of 1x1 selection and selection out of drawable.

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2004-11-01  Simon Budig  <simon@gimp.org>

	* plug-ins/common/plasma.c: Fixed handling of 1x1 selection and
	selection out of drawable.
This commit is contained in:
Simon Budig
2004-10-31 23:44:12 +00:00
committed by Simon Budig
parent 6234dbd7e2
commit 7f48c61e10
3 changed files with 55 additions and 42 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2004-11-01 Simon Budig <simon@gimp.org>
* plug-ins/common/plasma.c: Fixed handling of 1x1 selection and
selection out of drawable.
2004-10-31 Sven Neumann <sven@gimp.org>
* plug-ins/gfig/Makefile.am (EXTRA_DIST): removed pix-data.h.

3
NEWS
View File

@ -54,7 +54,8 @@ Overview of Changes in GIMP 2.2.0-pre1
Contributors:
Michael Natterer, Sven Neumann, David Odin, Manish Singh, Kevin Cozens,
Joao S. O. Bueno, Geert Jordaens, Yeti, Karine Proot
Joao S. O. Bueno, Geert Jordaens, Yeti, Karine Proot, Øyvind Kolås,
Simon Budig

89
plug-ins/common/plasma.c
View File

@ -386,21 +386,24 @@ plasma (GimpDrawable *drawable,
pft = init_plasma (drawable, preview_mode, gr);
/*
* This first time only puts in the seed pixels - one in each
* corner, and one in the center of each edge, plus one in the
* center of the image.
*/
do_plasma (pft, ix1, iy1, ix2 - 1, iy2 - 1, -1, 0, gr);
/*
* Now we recurse through the images, going further each time.
*/
depth = 1;
while (!do_plasma (pft, ix1, iy1, ix2 - 1, iy2 - 1, depth, 0, gr))
if (ix1 != ix2 && iy1 != iy2)
{
depth++;
/*
* This first time only puts in the seed pixels - one in each
* corner, and one in the center of each edge, plus one in the
* center of the image.
*/
do_plasma (pft, ix1, iy1, ix2 - 1, iy2 - 1, -1, 0, gr);
/*
* Now we recurse through the images, going further each time.
*/
depth = 1;
while (!do_plasma (pft, ix1, iy1, ix2 - 1, iy2 - 1, depth, 0, gr))
{
depth++;
}
}
end_plasma (drawable, pft, gr);
@ -562,6 +565,9 @@ do_plasma (GimpPixelFetcher *pft,
static gint count = 0;
xm = (x1 + x2) / 2;
ym = (y1 + y2) / 2;
/* Initial pass through - no averaging. */
if (depth == -1)
@ -575,15 +581,15 @@ do_plasma (GimpPixelFetcher *pft,
random_rgb (gr, br);
put_pixel (pft, x2, y2, br);
random_rgb (gr, mm);
put_pixel (pft, (x1 + x2) / 2, (y1 + y2) / 2, mm);
put_pixel (pft, xm, ym, mm);
random_rgb (gr, ml);
put_pixel (pft, x1, (y1 + y2) / 2, ml);
put_pixel (pft, x1, ym, ml);
random_rgb (gr, mr);
put_pixel (pft, x2, (y1 + y2) / 2, mr);
put_pixel (pft, x2, ym, mr);
random_rgb (gr, mt);
put_pixel (pft, (x1 + x2) / 2, y1, mt);
put_pixel (pft, xm, y1, mt);
random_rgb (gr, mb);
put_pixel (pft, (x1 + x2) / 2, y2, mb);
put_pixel (pft, xm, y2, mb);
return FALSE;
}
@ -595,7 +601,6 @@ do_plasma (GimpPixelFetcher *pft,
if (depth == 0)
{
gint ran;
gint xave, yave;
if (x1 == x2 && y1 == y2)
{
@ -609,33 +614,30 @@ do_plasma (GimpPixelFetcher *pft,
ran = (gint) ((256.0 / (2.0 * scale_depth)) * pvals.turbulence);
xave = (x1 + x2) / 2;
yave = (y1 + y2) / 2;
if (xave != x1 || xave != x2)
if (xm != x1 || xm != x2)
{
/* Left. */
average_pixel (ml, tl, bl, bpp);
add_random (gr, ml, ran);
put_pixel (pft, x1, yave, ml);
put_pixel (pft, x1, ym, ml);
if (x1 != x2)
{
/* Right. */
average_pixel (mr, tr, br, bpp);
add_random (gr, mr, ran);
put_pixel (pft, x2, yave, mr);
put_pixel (pft, x2, ym, mr);
}
}
if (yave != y1 || yave != y2)
if (ym != y1 || ym != y2)
{
if (x1 != xave || yave != y2)
if (x1 != xm || ym != y2)
{
/* Bottom. */
average_pixel (mb, bl, br, bpp);
add_random (gr, mb, ran);
put_pixel (pft, xave, y2, mb);
put_pixel (pft, xm, y2, mb);
}
if (y1 != y2)
@ -643,7 +645,7 @@ do_plasma (GimpPixelFetcher *pft,
/* Top. */
average_pixel (mt, tl, tr, bpp);
add_random (gr, mt, ran);
put_pixel (pft, xave, y1, mt);
put_pixel (pft, xm, y1, mt);
}
}
@ -655,7 +657,7 @@ do_plasma (GimpPixelFetcher *pft,
average_pixel (mm, mm, tmp, bpp);
add_random (gr, mm, ran);
put_pixel (pft, xave, yave, mm);
put_pixel (pft, xm, ym, mm);
}
count++;
@ -668,16 +670,21 @@ do_plasma (GimpPixelFetcher *pft,
return x2 - x1 < 3 && y2 - y1 < 3;
}
xm = (x1 + x2) >> 1;
ym = (y1 + y2) >> 1;
if (x1 < x2 || y1 < y2)
{
/* Top left. */
do_plasma (pft, x1, y1, xm, ym, depth - 1, scale_depth + 1, gr);
/* Bottom left. */
do_plasma (pft, x1, ym, xm ,y2, depth - 1, scale_depth + 1, gr);
/* Top right. */
do_plasma (pft, xm, y1, x2 , ym, depth - 1, scale_depth + 1, gr);
/* Bottom right. */
return do_plasma (pft, xm, ym, x2, y2, depth - 1, scale_depth + 1, gr);
}
else
{
return TRUE;
}
/* Top left. */
do_plasma (pft, x1, y1, xm, ym, depth - 1, scale_depth + 1, gr);
/* Bottom left. */
do_plasma (pft, x1, ym, xm ,y2, depth - 1, scale_depth + 1, gr);
/* Top right. */
do_plasma (pft, xm, y1, x2 , ym, depth - 1, scale_depth + 1, gr);
/* Bottom right. */
return do_plasma (pft, xm, ym, x2, y2, depth - 1, scale_depth + 1, gr);
}