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fix(progressbar): Add safety check

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Fixes jaagr/lemonbuddy#132
This commit is contained in:
Michael Carlberg 2016-10-29 19:37:49 +02:00
parent 07b467cd38
commit c1be785be7
1 changed files with 3 additions and 2 deletions
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5
include/drawtypes/progressbar.hpp
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@ -78,13 +78,14 @@ namespace drawtypes {
} else if (m_gradient) { } else if (m_gradient) {
size_t color = 0; size_t color = 0;
for (size_t i = 0; i < fill_width; i++) { for (size_t i = 0; i < fill_width; i++) {
if (i % m_colorstep == 0) if (i % m_colorstep == 0 && color < m_colors.size())
m_fill->m_foreground = m_colors[color++]; m_fill->m_foreground = m_colors[color++];
m_builder->node(m_fill); m_builder->node(m_fill);
} }
} else { } else {
size_t color = math_util::percentage_to_value<size_t>(perc, m_colors.size() - 1); size_t color = math_util::percentage_to_value<size_t>(perc, m_colors.size() - 1);
m_fill->m_foreground = m_colors[color]; if (color < m_colors.size())
m_fill->m_foreground = m_colors[color];
for (size_t i = 0; i < fill_width; i++) { for (size_t i = 0; i < fill_width; i++) {
m_builder->node(m_fill); m_builder->node(m_fill);
} }