256 lines
8.0 KiB
C++
256 lines
8.0 KiB
C++
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#include <iostream>
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#include <IL/il.h>
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#include <IL/ilu.h>
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#include <IL/ilut.h>
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#include <glm/glm.hpp>
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#include "main.h"
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#include <string>
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using namespace std;
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int main(int argc, char* argv[])
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{
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cout << "Initializing..." << endl;
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// init DevIL
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initDevIL();
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////////////////////
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// Fetch file args
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if (argc < 3)
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{
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cerr << "ERROR: must provide 2 filepaths." << std::endl;
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system("PAUSE");
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return 1;
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}
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char* diffuseFilePath = argv[1];
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char* glowFilePath = argv[2];
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cout << "Diffuse map:\t" <<diffuseFilePath << endl;
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cout << "Glow map:\t" << glowFilePath << endl;
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/*
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char* diffuseFilePath = "jumppad_pointy_md.png";
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char* glowFilePath = "jumppad_pointy_mg.png";*/
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////////////////////
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////////////////////
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cout << "Converting..." << endl;
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ILuint imageA;
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ILuint imageB;
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ILuint finalImage;
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int status;
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ilGenImages(1, &finalImage); // Generate the image ID
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ilBindImage(finalImage); // Bind the image
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////////////////
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// Load RGB source image (diffusemap)
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imageA = loadImage(diffuseFilePath, &status);
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ilBindImage(imageA); // Bind the image
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ILubyte *imageA_data = ilGetData();
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// Get width from imageA
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ILuint widthA = ilGetInteger(IL_IMAGE_WIDTH);
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ILuint heightA = ilGetInteger(IL_IMAGE_HEIGHT);
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// Load A source image ( glowmap )
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imageB = loadImage(glowFilePath, &status);
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ilBindImage(imageB); // Bind the image
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ILubyte *imageB_data = ilGetData();
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// Get width from imageB
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ILuint widthB = ilGetInteger(IL_IMAGE_WIDTH);
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ILuint heightB = ilGetInteger(IL_IMAGE_HEIGHT);
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// Check <20>f same size ( exit if not )
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if ((widthA*heightA) != (widthB*heightB))
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{
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cerr << "ERROR: Sizes of A and B does not match!" << endl;
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system("PAUSE");
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return 1;
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}
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//
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ILuint finalImage_size = (widthA*heightA)*4;
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ILubyte *finalImage_data = new ILubyte[finalImage_size];
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memset(finalImage_data, (unsigned char)255, finalImage_size);
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// Loop through data
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ILuint width = widthA;
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ILuint height = heightA;
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for (unsigned int i = 0; i < height; i++)
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{
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for (unsigned int j = 0; j < width; j++)
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{
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// Image A
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//cout << "A-rgba: " << (unsigned int)imageA_data[(i*width + j)*4 + 0] << " " << (unsigned int)imageA_data[(i*width + j)*4 + 1] << " " << (unsigned int)imageA_data[(i*width + j)*4 + 2] << " " << (unsigned int)imageA_data[(i*width + j)*4 + 3] << endl;
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// Image B
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//cout << "B-rgba: " << j << " " << (unsigned int)imageB_data[(i*width + j)*4 + 0] << " " << (unsigned int)imageB_data[(i*width + j)*4 + 1] << " " << (unsigned int)imageB_data[(i*width + j)*4 + 2] << " " << (unsigned int)imageB_data[(i*width + j)*4 + 3] << endl;
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// Calculate glow (Alpha channel)
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float glowFactor = (imageB_data[(i*width + j)*4 + 0] + imageB_data[(i*width + j)*4 + 1] + imageB_data[(i*width + j)*4 + 2]) / 3.0f;
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// Create final pixel
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finalImage_data[(i*width + j)*4 + 0] = imageA_data[(i*width + j)*4 + 0];
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finalImage_data[(i*width + j)*4 + 1] = imageA_data[(i*width + j)*4 + 1];
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finalImage_data[(i*width + j)*4 + 2] = imageA_data[(i*width + j)*4 + 2];
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finalImage_data[(i*width + j)*4 + 3] = (unsigned char)(unsigned int)glm::floor(glowFactor);
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// Altered
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//cout << "C-rgba: " << (unsigned int)finalImage_data[(i*width + j)*4 + 0] << " " << (unsigned int)finalImage_data[(i*width + j)*4 + 1] << " " << (unsigned int)finalImage_data[(i*width + j)*4 + 2] << " " << (unsigned int)finalImage_data[(i*width + j)*4 + 3] << endl;
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//cout << endl;
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}
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//cout << "B-rgba: " << i << " " << (unsigned int)imageB_data[(i*width)*4 + 0] << " " << (unsigned int)imageB_data[(i*width)*4 + 1] << " " << (unsigned int)imageB_data[(i*width)*4 + 2] << " " << (unsigned int)imageB_data[(i*width)*4 + 3] << endl;
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}
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////////////////
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ilBindImage(finalImage); // Bind the image
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bool texSet = ilTexImage( width, height, 1, 4, IL_RGBA, IL_UNSIGNED_BYTE, finalImage_data);
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if (!texSet)
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{
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cerr << "ERROR: Could not pass final texture data into image." << endl;
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return 1;
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}
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ILinfo ImageInfo;
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iluGetImageInfo(&ImageInfo);
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if (ImageInfo.Origin == IL_ORIGIN_LOWER_LEFT)
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{
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iluFlipImage();
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}
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ilEnable(IL_FILE_OVERWRITE);
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ilSave(IL_PNG, ComposeFilename(getFilename(diffuseFilePath)));
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// Cleanup
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//ilDeleteImages(1, &imageA);
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//ilDeleteImages(1, &imageB);
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//ilDeleteImages(1, &finalImage);
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////////////////////
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//system("PAUSE");
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cout << "Success!" << endl;
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return 0;
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}
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void initDevIL()
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{
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// Init DevIL (IL, ILU, ILUT)
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ilInit(); // IL
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iluInit(); // ILU
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//ilutRenderer(ILUT_OPENGL); // ILUT with opengl
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}
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ILuint loadImage(const char* filename, int *status)
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{
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ILuint imageID; // Create an image ID as a ULuint
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ILboolean success; // Create a flag to keep track of success/failure
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ILenum error; // Create a flag to keep track of the IL error state
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ilGenImages(1, &imageID); // Generate the image ID
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ilBindImage(imageID); // Bind the image
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success = ilLoadImage(filename); // Load the image file
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// If we managed to load the image, then we can start to do things with it...
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if (success)
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{
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// If the image is flipped (i.e. upside-down and mirrored, flip it the right way up!)
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ILinfo ImageInfo;
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iluGetImageInfo(&ImageInfo);
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if (ImageInfo.Origin == IL_ORIGIN_LOWER_LEFT)
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{
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iluFlipImage();
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}
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// Convert the image into a suitable format to work with
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// NOTE: If your image contains alpha channel you can replace IL_RGB with IL_RGBA
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success = ilConvertImage(IL_RGBA, IL_UNSIGNED_BYTE);
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// Quit out if we failed the conversion
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if (!success)
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{
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error = ilGetError();
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std::cout << "Image conversion failed - IL reports error: " << error << " - " << iluErrorString(error) << std::endl;
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*status = 1;
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return 0;
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}
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}
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else // If we failed to open the image file in the first place...
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{
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error = ilGetError();
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std::cout << "Image load failed - IL reports error: " << error << " - " << iluErrorString(error) << std::endl;
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*status = 2;
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return 0;
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}
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*status = 0;
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return imageID;
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}
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char* getFilename(const char* path)
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{
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string s = path;
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char sep = '/';
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#ifdef _WIN32
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sep = '\\';
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#endif
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size_t i = s.rfind(sep, s.length( ));
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if (i != string::npos)
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{
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std::string sFilename = s.substr(i+1, s.length( ) - i);
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char* cFilename = new char[sFilename.size()];
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strcpy(cFilename, sFilename.c_str());
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return cFilename;
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}
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return "";
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}
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char* ComposeFilename(const char* filename)
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{
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std::string oldFilename = filename;
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std::string newFilename = "";
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if (oldFilename.find("_md") != std::string::npos)
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{
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std::cout << "found _md!" << '\n';
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newFilename = oldFilename.substr(0, oldFilename.find("_md"));
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//oldFilename.copy(newFilename, oldFilename.find("_md"), 0);
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newFilename.append("_mdg.png");
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std::cout << newFilename << '\n';
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char* cFilename = new char[newFilename.size()];
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strcpy(cFilename, newFilename.c_str());
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return cFilename;
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}
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if (oldFilename.find("_mn") != std::string::npos)
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{
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std::cout << "found _mn!" << '\n';
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newFilename = oldFilename.substr(0, oldFilename.find("_mn"));
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//oldFilename.copy(newFilename, oldFilename.find("_mn"), 0);
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newFilename.append("_mns.png");
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std::cout << newFilename << '\n';
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char* cFilename = new char[newFilename.size()];
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strcpy(cFilename, newFilename.c_str());
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return cFilename;
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}
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return "";
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}
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