texture_atlas_maker_tests.cpp

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#include <stdio.h>
#include <cstdint>
#include "gtest/gtest.h"
 
#include "../RenderingLibrary/Include/image_data.hpp"
#include "../RenderingLibrary/Include/texture_atlas_maker.hpp"
 
using ::testing::EmptyTestEventListener;
using ::testing::InitGoogleTest;
using ::testing::Test;
using ::testing::TestEventListeners;
using ::testing::TestInfo;
using ::testing::TestPartResult;
using ::testing::TestSuite;
using ::testing::UnitTest;
 
using namespace rendering_engine;
 
TEST(ImageDataTest, TextureAtlasMaker)
{
    ImageData image1(10U, 10U);
    image1.Fill(Color(255, 0, 0, 255));
 
    ImageData image2(5U, 5U);
    image2.Fill(Color(0, 255, 0, 255));
 
    ImageData image3(2U, 2U);
    image3.Fill(Color(0, 0, 255, 255));
 
    std::map<char, ImageData> imageCollection;
 
    imageCollection.emplace('A', image1);
    imageCollection.emplace('B', image2);
    imageCollection.emplace('C', image3);
 
    TextureAtlasMaker texAtlasMaker( imageCollection );
 
    ImageData atlasImage;
    std::map<char, std::pair<unsigned int, unsigned int>> texAtlasData;
 
    bool const result = texAtlasMaker.CreateTextureAtlas(texAtlasData, atlasImage);
    if( result )
    {
        atlasImage.WritePngFile("TestTextureAtlas.png");
    }
 
    EXPECT_TRUE(result);
}