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Bug 720711 - gimpressionist: Background paper is not aligned... 

...with the painted image

gimpressionist: fix alignment of image and background paper.
Additionally the resize function is now skipped for a scale of 100%.
This commit is contained in:
Mark Schmitz 2013-12-18 18:35:06 +01:00 committed by Michael Natterer
parent 254b86d4fa
commit 3afc53d866
1 changed files with 24 additions and 9 deletions
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27
plug-ins/gimpressionist/repaint.c
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@ -553,22 +553,37 @@ repaint (ppm_t *p, ppm_t *a)
}
else
{
scale = runningvals.paper_scale / 100.0;
int dx, dy;
ppm_new (&tmp, p->width, p->height);
ppm_load (runningvals.selected_paper, &paper_ppm);
if (runningvals.paper_scale != 100.0)
{
scale = runningvals.paper_scale / 100.0;
resize (&paper_ppm, paper_ppm.width * scale, paper_ppm.height * scale);
}
if (runningvals.paper_invert)
ppm_apply_gamma (&paper_ppm, -1.0, 1, 1, 1);
for (x = 0; x < tmp.width; x++)
{
int rx = x % paper_ppm.width;
dx = runningvals.general_paint_edges ? paper_ppm.width - maxbrushwidth : 0;
dy = runningvals.general_paint_edges ? paper_ppm.height - maxbrushheight : 0;
for (y = 0; y < tmp.height; y++)
{
int ry = y % paper_ppm.height;
int lx;
int ry = (y + dy) % paper_ppm.height;
for (x = 0; x < tmp.width; x+=lx)
{
int rx = (x + dx) % paper_ppm.width;
lx = MIN (tmp.width - x, paper_ppm.width - rx);
memcpy (&tmp.col[y * tmp.width * 3 + x * 3],
&paper_ppm.col[ry * paper_ppm.width * 3 + rx * 3],
3);
3 * lx);
}
}
}