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// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "emu_window.h"
#include "video_core/video_core.h"
void EmuWindow::KeyPressed(KeyMap::HostDeviceKey key) {
Service::HID::PadState mapped_key = KeyMap::GetPadKey(key);
Service::HID::PadButtonPress(mapped_key);
}
void EmuWindow::KeyReleased(KeyMap::HostDeviceKey key) {
Service::HID::PadState mapped_key = KeyMap::GetPadKey(key);
Service::HID::PadButtonRelease(mapped_key);
}
EmuWindow::FramebufferLayout EmuWindow::FramebufferLayout::DefaultScreenLayout(int width, int height) {
ASSERT(width > 0);
ASSERT(height > 0);
EmuWindow::FramebufferLayout res = { width, height, {}, {} };
float window_aspect_ratio = static_cast<float>(height) / width;
float emulation_aspect_ratio = static_cast<float>(VideoCore::kScreenTopHeight * 2) /
VideoCore::kScreenTopWidth;
if (window_aspect_ratio > emulation_aspect_ratio) {
// Window is narrower than the emulation content => apply borders to the top and bottom
int viewport_height = static_cast<int>(std::round(emulation_aspect_ratio * width));
res.top_screen.left = 0;
res.top_screen.right = res.top_screen.left + width;
res.top_screen.top = (height - viewport_height) / 2;
res.top_screen.bottom = res.top_screen.top + viewport_height / 2;
int bottom_width = static_cast<int>((static_cast<float>(VideoCore::kScreenBottomWidth) /
VideoCore::kScreenTopWidth) * (res.top_screen.right - res.top_screen.left));
int bottom_border = ((res.top_screen.right - res.top_screen.left) - bottom_width) / 2;
res.bottom_screen.left = bottom_border;
res.bottom_screen.right = res.bottom_screen.left + bottom_width;
res.bottom_screen.top = res.top_screen.bottom;
res.bottom_screen.bottom = res.bottom_screen.top + viewport_height / 2;
} else {
// Otherwise, apply borders to the left and right sides of the window.
int viewport_width = static_cast<int>(std::round(height / emulation_aspect_ratio));
res.top_screen.left = (width - viewport_width) / 2;
res.top_screen.right = res.top_screen.left + viewport_width;
res.top_screen.top = 0;
res.top_screen.bottom = res.top_screen.top + height / 2;
int bottom_width = static_cast<int>((static_cast<float>(VideoCore::kScreenBottomWidth) /
VideoCore::kScreenTopWidth) * (res.top_screen.right - res.top_screen.left));
int bottom_border = ((res.top_screen.right - res.top_screen.left) - bottom_width) / 2;
res.bottom_screen.left = res.top_screen.left + bottom_border;
res.bottom_screen.right = res.bottom_screen.left + bottom_width;
res.bottom_screen.top = res.top_screen.bottom;
res.bottom_screen.bottom = res.bottom_screen.top + height / 2;
}
return res;
}
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