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Fix handing of overall alpha.

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Mon Feb 11 14:31:53 2002  Owen Taylor  <otaylor@redhat.com>

        * pixops/pixops.c (bilinear_make_weights): Fix handing of
        overall alpha.
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Owen Taylor 2002-02-11 19:36:12 +00:00 committed by Owen Taylor
parent 8d8fb0cd5f
commit 01b9bd9310
2 changed files with 8 additions and 3 deletions
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5
gdk-pixbuf/ChangeLog
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@ -1,3 +1,8 @@
Mon Feb 11 14:31:53 2002 Owen Taylor <otaylor@redhat.com>
* pixops/pixops.c (bilinear_make_weights): Fix handing of
overall alpha.
2002-02-10 Matthias Clasen <matthias@local>
* test-loaders.c (main): Enable some tests which should work

6
gdk-pixbuf/pixops/pixops.c
View File

@ -1144,7 +1144,7 @@ tile_make_weights (PixopsFilter *filter, double x_scale, double y_scale, double
*(pixel_weights + n_x * i + j) = weight;
}
*(pixel_weights + n_x * n_y - 1) += 65536 - total;
*(pixel_weights + n_x * n_y - 1) += (int)(0.5 + 65536 * overall_alpha) - total;
}
}
}
@ -1266,7 +1266,7 @@ bilinear_make_fast_weights (PixopsFilter *filter, double x_scale, double y_scale
total += weight;
}
*(pixel_weights + n_x * n_y - 1) += 65536 - total;
*(pixel_weights + n_x * n_y - 1) += (int)(0.5 + 65536 * overall_alpha) - total;
}
g_free (x_weights);
@ -1368,7 +1368,7 @@ bilinear_make_weights (PixopsFilter *filter, double x_scale, double y_scale, dou
total += weight;
}
*(pixel_weights + n_x * n_y - 1) += 65536 - total;
*(pixel_weights + n_x * n_y - 1) += (int)(0.5 + 65536 * overall_alpha) - total;
}
}