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Fix overscan mask with DPI scaling

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arch1t3cht 2022-11-02 21:49:30 +01:00
parent 245cc68afa
commit 04ccc15fd4
1 changed files with 5 additions and 5 deletions
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10
src/video_display.cpp
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@ -227,19 +227,19 @@ catch (const agi::Exception &err) {
}
void VideoDisplay::DrawOverscanMask(float horizontal_percent, float vertical_percent) const {
Vector2D v(viewport_width, viewport_height);
Vector2D v = Vector2D(viewport_width, viewport_height) / scale_factor;
Vector2D size = Vector2D(horizontal_percent, vertical_percent) / 2 * v;
// Clockwise from top-left
Vector2D corners[] = {
size,
Vector2D(viewport_width - size.X(), size),
Vector2D(viewport_width / scale_factor - size.X(), size),
v - size,
Vector2D(size, viewport_height - size.Y())
Vector2D(size, viewport_height / scale_factor - size.Y())
};
// Shift to compensate for black bars
Vector2D pos(viewport_left, viewport_top);
Vector2D pos = Vector2D(viewport_left, viewport_top) / scale_factor;
for (auto& corner : corners)
corner = corner + pos;
@ -261,7 +261,7 @@ void VideoDisplay::DrawOverscanMask(float horizontal_percent, float vertical_per
std::vector<int> vstart(1, 0);
std::vector<int> vcount(1, count);
gl.DrawMultiPolygon(points, vstart, vcount, Vector2D(viewport_left, viewport_top), Vector2D(viewport_width, viewport_height), true);
gl.DrawMultiPolygon(points, vstart, vcount, pos, v, true);
}
void VideoDisplay::PositionVideo() {