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fix(progressbar): Make sure index is within bounds

This commit is contained in:
Michael Carlberg 2016-10-11 19:58:22 +02:00
parent e1b6238564
commit 700cc89963
1 changed files with 7 additions and 8 deletions
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15
include/drawtypes/progressbar.hpp
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@ -40,12 +40,11 @@ namespace drawtypes {
m_colors = forward<decltype(colors)>(colors);
}
string output(float percentage, bool floor_percentage = false) {
string output(float percentage) {
if (m_colors.empty())
m_colors.emplace_back(m_fill->m_foreground);
float add = floor_percentage ? 0 : 0.5;
int fill_width = (int)m_width * percentage / 100 + add;
int fill_width = m_width * percentage / 100.0f + 0.5f;
int empty_width = m_width - fill_width;
int color_step = m_width / m_colors.size() + 0.5f;
@ -61,11 +60,11 @@ namespace drawtypes {
}
if (!m_gradient) {
auto color = m_colors.size() * percentage / 100;
if (color >= m_colors.size())
color = 0;
m_fill->m_foreground = m_colors[color - 1];
while (fill_width--) m_builder->node(m_fill);
auto idx = static_cast<int>((m_colors.size() - 1) * percentage / 100.0f + 0.5f);
m_fill->m_foreground = m_colors[idx];
while (fill_width--) {
m_builder->node(m_fill);
}
} else {
int i = 0;
for (auto color : m_colors) {