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HostDisplay: Move some derived class fields to base class

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This commit is contained in:
Connor McLaughlin
2020-01-24 14:51:36 +10:00
parent 736d85b0f3
commit 687772c4da
15 changed files with 75 additions and 200 deletions
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27
src/core/host_display.cpp Normal file
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#include "host_display.h"
HostDisplayTexture::~HostDisplayTexture() = default;
HostDisplay::~HostDisplay() = default;
std::tuple<int, int, int, int> HostDisplay::CalculateDrawRect(int window_width, int window_height, float display_ratio)
{
const float window_ratio = float(window_width) / float(window_height);
int left, top, width, height;
if (window_ratio >= display_ratio)
{
width = static_cast<int>(float(window_height) * display_ratio);
height = static_cast<int>(window_height);
left = (window_width - width) / 2;
top = 0;
}
else
{
width = static_cast<int>(window_width);
height = static_cast<int>(float(window_width) / display_ratio);
left = 0;
top = (window_height - height) / 2;
}
return std::tie(left, top, width, height);
}