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Fixed bug when zooming stamps in video depth other than 32bpp.

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This commit is contained in:
William Kendrick 2008-03-05 03:12:00 +00:00
parent e6e2fcfc38
commit f34d8301ff
2 changed files with 41 additions and 3 deletions
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5
docs/CHANGES.txt
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@ -9,7 +9,7 @@ http://www.tuxpaint.org/
$Id$
2008.March.1 (0.9.20)
2008.March.4 (0.9.20)
* Localization Updates:
---------------------
* German translation
@ -51,6 +51,9 @@ $Id$
from bottom-to-top using the line tool. Fixed.
Pere Pujal i Carabantes <pere@fornol.no-ip.org>
* Fixed bug when zooming stamps in video depth other than 32bpp.
2008.February.25 (0.9.19)
* New Localizations:
------------------

39
src/tuxpaint.c
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@ -32,9 +32,9 @@
/* Color depth for Tux Paint to run in, and store canvases in: */
#if defined(NOKIA_770)
//#if defined(NOKIA_770)
# define VIDEO_BPP 15
#endif
//#endif
#if defined(OLPC_XO)
# define VIDEO_BPP 15
@ -9314,6 +9314,7 @@ static SDL_Surface *zoom(SDL_Surface * src, int new_w, int new_h)
one_minus_x = 1.0 - fraction_x;
one_minus_y = 1.0 - fraction_y;
#if VIDEO_BPP==32
SDL_GetRGBA(getpixel(src, floor_x, floor_y), src->format,
&r1, &g1, &b1, &a1);
SDL_GetRGBA(getpixel(src, ceil_x, floor_y), src->format,
@ -9322,6 +9323,40 @@ static SDL_Surface *zoom(SDL_Surface * src, int new_w, int new_h)
&r3, &g3, &b3, &a3);
SDL_GetRGBA(getpixel(src, ceil_x, ceil_y), src->format,
&r4, &g4, &b4, &a4);
#else
{
Uint8 r, g, b, a;
r = g = b = a = 0; // Unused, bah!
SDL_GetRGBA(getpixel(src, floor_x, floor_y), src->format,
&r, &g, &b, &a);
r1 = (float) r;
g1 = (float) g;
b1 = (float) b;
a1 = (float) a;
SDL_GetRGBA(getpixel(src, ceil_x, floor_y), src->format,
&r, &g, &b, &a);
r2 = (float) r;
g2 = (float) g;
b2 = (float) b;
a2 = (float) a;
SDL_GetRGBA(getpixel(src, floor_x, ceil_y), src->format,
&r, &g, &b, &a);
r3 = (float) r;
g3 = (float) g;
b3 = (float) b;
a3 = (float) a;
SDL_GetRGBA(getpixel(src, ceil_x, ceil_y), src->format,
&r, &g, &b, &a);
r4 = (float) r;
g4 = (float) g;
b4 = (float) b;
a4 = (float) a;
}
#endif
n1 = (one_minus_x * r1 + fraction_x * r2);
n2 = (one_minus_x * r3 + fraction_x * r4);