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88 lines
2.6 KiB
C++
88 lines
2.6 KiB
C++
//
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// xemu User Interface
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//
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// Copyright (C) 2020-2022 Matt Borgerson
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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//
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#include "viewport-manager.hh"
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#include "xemu-hud.h"
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ViewportManager g_viewport_mgr;
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ViewportManager::ViewportManager() {
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m_scale = 1;
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m_pixel_density = 1;
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m_extents.x = 25 * m_scale; // Distance from Left
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m_extents.y = 25 * m_scale; // '' Top
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m_extents.z = 25 * m_scale; // '' Right
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m_extents.w = 25 * m_scale; // '' Bottom
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}
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ImVec4 ViewportManager::GetExtents()
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{
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return m_extents;
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}
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#if 0
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void ViewportManager::DrawExtents()
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{
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ImGuiIO &io = ImGui::GetIO();
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ImVec2 tl(m_extents.x, m_extents.y);
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ImVec2 tr(io.DisplaySize.x - m_extents.z, m_extents.y);
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ImVec2 br(io.DisplaySize.x - m_extents.z, io.DisplaySize.y - m_extents.w);
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ImVec2 bl(m_extents.x, io.DisplaySize.y - m_extents.w);
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auto dl = ImGui::GetForegroundDrawList();
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ImU32 color = 0xffff00ff;
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dl->AddLine(tl, tr, color, 2.0);
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dl->AddLine(tr, br, color, 2.0);
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dl->AddLine(br, bl, color, 2.0);
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dl->AddLine(bl, tl, color, 2.0);
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dl->AddLine(tl, br, color, 2.0);
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dl->AddLine(bl, tr, color, 2.0);
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}
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#endif
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ImVec2 ViewportManager::Scale(const ImVec2 vec2)
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{
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return ImVec2(vec2.x * m_scale, vec2.y * m_scale);
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}
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void ViewportManager::Update()
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{
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ImGuiIO &io = ImGui::GetIO();
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SDL_Window *window = xemu_get_window();
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m_pixel_density = fmaxf(SDL_GetWindowPixelDensity(window), 1.0f);
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if (g_config.display.ui.auto_scale) {
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float window_display_scale = fmaxf(SDL_GetWindowDisplayScale(window), 1.0f);
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m_scale = window_display_scale / m_pixel_density;
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} else {
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m_scale = g_config.display.ui.scale;
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}
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m_scale = fmaxf(m_scale, 1.0);
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if (io.DisplaySize.x > 640*m_scale) {
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m_extents.x = 25 * m_scale; // Distance from Left
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m_extents.y = 25 * m_scale; // '' Top
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m_extents.z = 25 * m_scale; // '' Right
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m_extents.w = 25 * m_scale; // '' Bottom
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} else {
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m_extents = ImVec4(0,0,0,0);
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}
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}
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