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////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2018 Leo Tenenbaum
// This file is part of GraphColoring.
//
// GraphColoring is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// GraphColoring is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with GraphColoring. If not, see <https://www.gnu.org/licenses/>.
////////////////////////////////////////////////////////////////////////////////
#include "colorloader.hpp"
#include "utils/errors.hpp"
#include "../level.hpp"
#include "../graphcoloring.hpp"
namespace graphcoloring {
ColorLoader::ColorLoader()
{
}
void ColorLoader::LoadDocument(const pugi::xml_document& document)
{
Level::colors.clear();
pugi::xml_node colors_node = document.child("colors");
for (pugi::xml_node color_node : colors_node.children("color"))
{
std::string name = color_node.attribute("name").value();
gui::Color color =
gui::colors::FromAttribute(color_node.attribute("color"));
int vertex_points = color_node.attribute("vertex-points").as_int(0);
int edge_points = color_node.attribute("edge-points").as_int(0);
color_names[name] = color;
vertex_color_points[color] = vertex_points;
edge_color_points[color] = edge_points;
Level::colors.push_back(color);
}
}
gui::Color ColorLoader::GetColorByName(std::string name) const
{
if (color_names.count(name) == 0)
utils::errors::Die("Could not find color: " + name);
return color_names.at(name);
}
gui::Color ColorLoader::GetColorFromAttribute(pugi::xml_attribute attr) const
{
if (attr.empty())
return Level::colors[0];
else
return GetColorByName(attr.value());
}
std::string ColorLoader::GetColorName(gui::Color color) const
{
for (std::pair<std::string, gui::Color> color_name : color_names)
if (color_name.second == color)
return color_name.first;
utils::errors::Die("Could not find color.");
return "";
}
int ColorLoader::GetVertexPoints(gui::Color color) const
{
if (vertex_color_points.count(color) == 0)
utils::errors::Die("Could not find color.");
return vertex_color_points.at(color);
}
int ColorLoader::GetEdgePoints(gui::Color color) const
{
if (edge_color_points.count(color) == 0)
utils::errors::Die("Could not find color.");
return edge_color_points.at(color);
}
void ColorLoader::RenderColorPoints(gui::Window* window) const
{
window->SetDrawColor(GraphColoring::BACKGROUND_COLOR);
window->Clear();
int x = 10, y = 10;
const int w = COLOR_POINTS_COLUMN_WIDTH, h = Vertex::VERTEX_RADIUS * 2;
for (gui::Color color : Level::colors)
{
if (edge_color_points.at(color) == 0) continue;
RenderEdgeColorPoints(window, color, x, y);
y += h + 10;
if (y > window->GetHeight()-h-10)
{
y = 10;
x += w + 10;
}
}
for (gui::Color color : Level::colors)
{
if (vertex_color_points.at(color) == 0) continue;
RenderVertexColorPoints(window, color, x, y);
y += h + 10;
if (y > window->GetHeight()-h-10)
{
y = 10;
x += w + 10;
}
}
}
void ColorLoader::RenderEdgeColorPoints(gui::Window* window, gui::Color color,
int x, int y) const
{
const int w = COLOR_POINTS_COLUMN_WIDTH, h = Vertex::VERTEX_RADIUS*2;
window->SetDrawColor(rules::RenderColor(color));
window->DrawLine(x, y+h/2, x+w/4, y+h/2);
window->SetTextSize(48);
window->DrawText(std::to_string(GetEdgePoints(color)),
gui::Position(x+w, y), gui::Alignment::RIGHT, gui::Alignment::TOP);
}
void ColorLoader::RenderVertexColorPoints(gui::Window* window, gui::Color color,
int x, int y) const
{
const int w = COLOR_POINTS_COLUMN_WIDTH, r = Vertex::VERTEX_RADIUS;
window->SetDrawColor(rules::RenderColor(color));
window->DrawCircle(x+r, y+r, r, false);
window->SetTextSize(48);
window->DrawText(std::to_string(GetVertexPoints(color)),
gui::Position(x+w, y+r), gui::Alignment::RIGHT, gui::Alignment::CENTER);
}
} // namespace graphcoloring
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