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display_sdl: Add scale_step.

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joevt
2025-07-14 23:09:17 -07:00
committed by dingusdev
parent 2a68f57b65
commit 369e2ca238
1 changed files with 6 additions and 4 deletions
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10
devices/video/display_sdl.cpp
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@@ -74,6 +74,8 @@ Display::~Display() {
SDL_DestroyWindow(impl->display_wnd);
}
const double scale_step = std::pow(2.0, 1.0/8.0);
bool Display::configure(int width, int height) {
bool is_initialization = false;
@@ -304,16 +306,16 @@ void Display::handle_events(const WindowEvent& wnd_event) {
if (wnd_event.window_id == impl->disp_wnd_id) {
if (this->full_screen_mode == not_full_screen) {
if (wnd_event.sub_type == DPPC_WINDOWEVENT_WINDOW_BIGGER)
this->scale_window = this->scale_window * std::pow(2.0, 1.0/8.0);
this->scale_window *= scale_step;
else
this->scale_window = this->scale_window / std::pow(2.0, 1.0/8.0);
this->scale_window /= scale_step;
this->update_window_size();
} else {
this->use_scale_full_screen = true;
if (wnd_event.sub_type == DPPC_WINDOWEVENT_WINDOW_BIGGER)
this->scale_full_screen = this->scale_full_screen * std::pow(2.0, 1.0/8.0);
this->scale_full_screen *= scale_step;
else
this->scale_full_screen = this->scale_full_screen / std::pow(2.0, 1.0/8.0);
this->scale_full_screen /= scale_step;
}
this->configure_dest();