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Fixed makeRectRamp() when "from" index is greater than "to" index.

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This commit is contained in:
David Capello 2010-06-13 19:51:26 -03:00
parent 9a550e2301
commit a0fabbfe18
1 changed files with 7 additions and 10 deletions
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17
src/raster/palette.cpp
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@ -142,11 +142,8 @@ void Palette::makeHorzRamp(int from, int to)
assert(from >= 0 && from <= 255);
assert(to >= 0 && to <= 255);
if (from > to) {
i = from;
from = to;
to = i;
}
if (from > to)
std::swap(from, to);
n = to - from;
if (n < 2)
@ -182,11 +179,8 @@ void Palette::makeVertRamp(int from, int to, int columns)
/* both indices have to be in the same column */
assert((from % columns) == (to % columns));
if (from > to) {
y = from;
from = to;
to = y;
}
if (from > to)
std::swap(from, to);
ybeg = from/columns;
yend = to/columns;
@ -219,6 +213,9 @@ void Palette::makeRectRamp(int from, int to, int columns)
assert(from >= 0 && from <= 255);
assert(to >= 0 && to <= 255);
assert(columns >= 1 && columns <= 256);
if (from > to)
std::swap(from, to);
x1 = from % columns;
y1 = from / columns;