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st/gui: Add discrete steps in video preview scale

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This commit is contained in:
Jakob Bornecrantz 2022-09-22 14:00:55 +01:00
parent 9a9878a850
commit 098bd5e773
1 changed files with 31 additions and 0 deletions
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31
src/xrt/state_trackers/gui/gui_window_record.c
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@ -198,6 +198,37 @@ window_draw_misc(struct gui_record_window *rw)
{
igSliderFloat("", &rw->texture.scale, 20.0, 300.f, "Scale %f%%", ImGuiSliderFlags_None);
static ImVec2 button_dims = {0, 0};
igSameLine(0.0f, 4.0f);
bool minus = igButton("-", button_dims);
igSameLine(0.0f, 4.0f);
bool plus = igButton("+", button_dims);
const static double scales[] = {
25.0, 50.0, 100.0, 200.0, 300.0,
};
if (plus) {
for (uint32_t i = 0; i < ARRAY_SIZE(scales); i++) {
if (rw->texture.scale >= scales[i]) {
continue;
}
rw->texture.scale = scales[i];
break;
}
} else if (minus) {
// Initial length always greater then 0 so safe.
for (uint32_t i = ARRAY_SIZE(scales); i-- > 0;) {
if (rw->texture.scale <= scales[i]) {
continue;
}
rw->texture.scale = scales[i];
break;
}
}
igSameLine(0, 30);
igCheckbox("Rotate 180 degrees", &rw->texture.rotate_180);