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#include <random>
#include "imgui/imgui.h"
#include "imgui/imgui_flags.h"
#include "imgui/imgui_image.h"
#include "common/image/image.h"
#include "common/image/io.h"
#include "resources.h"
#include "core/style.h"
#include "core/backend.h"
#include "loader.h"
#include "const.h"
namespace satdump
{
LoadingScreenSink::LoadingScreenSink()
{
const time_t timevalue = time(0);
std::tm *timeConstant = gmtime(&timevalue);
image::Image image;
std::random_device dev;
std::mt19937 rng(dev());
std::uniform_int_distribution<std::mt19937::result_type> check(1, 1000);
loader_constant = ((timeConstant->tm_mon - 3) == 0 && (timeConstant->tm_mday - 1) == 0) ? (check(rng) != 42) : (check(rng) == 42);
title = loader_constant ? satdump::loader_constant_title : "SatDump";
slogan = loader_constant ? satdump::loader_constant_slogan : "General Purpose Satellite Data Processor";
if (loader_constant)
image::load_png(image, (uint8_t *)satdump::loader_constant_icon, sizeof(satdump::loader_constant_icon));
else
image::load_png(image, resources::getResourcePath("icon.png"));
if (image.depth() != 8)
image = image.to8bits();
uint8_t *px = new uint8_t[image.width() * image.height() * 4];
memset(px, 255, image.width() * image.height() * 4);
if (image.channels() == 4)
{
for (int y = 0; y < (int)image.height(); y++)
for (int x = 0; x < (int)image.width(); x++)
for (int c = 0; c < 4; c++)
px[image.width() * 4 * y + x * 4 + c] = image.get(c, image.width() * y + x);
}
else if (image.channels() == 3)
{
for (int y = 0; y < (int)image.height(); y++)
for (int x = 0; x < (int)image.width(); x++)
for (int c = 0; c < 3; c++)
px[image.width() * 4 * y + x * 4 + c] = image.get(c, image.width() * y + x);
}
image_texture = makeImageTexture();
updateImageTexture(image_texture, (uint32_t *)px, image.width(), image.height());
backend::setIcon(px, image.width(), image.height());
delete[] px;
push_frame("Initializing");
}
LoadingScreenSink::~LoadingScreenSink()
{
// deleteImageTexture(image_texture);
}
void LoadingScreenSink::receive(slog::LogMsg log)
{
if (log.lvl == slog::LOG_INFO)
push_frame(log.str);
}
void LoadingScreenSink::push_frame(std::string str)
{
std::pair<int, int> dims = backend::beginFrame();
float scale = backend::device_scale;
ImGui::SetNextWindowPos({0, 0});
ImGui::SetNextWindowSize({(float)dims.first, (float)dims.second});
ImGui::Begin("Loading Screen", nullptr, NOWINDOW_FLAGS | ImGuiWindowFlags_NoDecoration);
if (dims.first > dims.second)
{
ImVec2 reference_pos = {((float)dims.first * 0.5f) - (300 * scale), ((float)dims.second * 0.5f) - (125 * scale)};
ImGui::SetCursorPos(reference_pos);
ImGui::Image((void *)image_texture, ImVec2(200 * scale, 200 * scale));
ImGui::SetCursorPos({reference_pos.x + (230 * scale), reference_pos.y + (40 * scale)});
ImGui::PushFont(style::bigFont);
ImGui::TextUnformatted(title.c_str());
ImGui::PopFont();
ImGui::SetCursorPos({reference_pos.x + (230 * scale), reference_pos.y + (87 * scale)});
ImGui::TextUnformatted(slogan.c_str());
ImGui::GetWindowDrawList()->AddLine({reference_pos.x + (230 * scale), reference_pos.y + (112 * scale)},
{reference_pos.x + (490 * scale), reference_pos.y + (112 * scale)}, IM_COL32(155, 155, 155, 255));
ImGui::SetCursorPos({reference_pos.x + (230 * scale), reference_pos.y + (120 * scale)});
}
else
{
ImGui::PushFont(style::bigFont);
ImVec2 title_size = ImGui::CalcTextSize(title.c_str());
ImGui::SetCursorPos({((float)dims.first / 2) - (75 * scale), ((float)dims.second / 2) - title_size.y - (90 * scale)});
ImGui::Image((void *)image_texture, ImVec2(150 * scale, 150 * scale));
ImGui::SetCursorPos({((float)dims.first / 2) - (title_size.x / 2), ((float)dims.second / 2) - title_size.y + (75 * scale)});
ImGui::TextUnformatted(title.c_str());
ImGui::PopFont();
ImVec2 slogan_size = ImGui::CalcTextSize(slogan.c_str());
ImGui::SetCursorPos({((float)dims.first / 2) - (slogan_size.x / 2), ((float)dims.second / 2) + (80 * scale)});
ImGui::TextUnformatted(slogan.c_str());
ImGui::GetWindowDrawList()->AddLine({((float)dims.first / 2) - (slogan_size.x / 2), ((float)dims.second / 2) + (90 * scale) + slogan_size.y},
{((float)dims.first / 2) + (slogan_size.x / 2), ((float)dims.second / 2) + (90 * scale) + slogan_size.y}, IM_COL32(155, 155, 155, 255));
ImGui::SetCursorPos({((float)dims.first / 2) - (ImGui::CalcTextSize(str.c_str()).x / 2), ((float)dims.second / 2) + (95 * scale) + slogan_size.y});
}
ImGui::TextDisabled("%s", str.c_str());
ImGui::End();
backend::endFrame();
}
}
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