Legacy ImageMagick Discussions Archive

Code: Select all

bool Mesh::InitMaterials(const aiScene* pScene, const std::string& Filename)
{
	// Extract the directory part from the file name
	std::string::size_type SlashIndex = Filename.find_last_of("/");
	std::string Dir;

	if (SlashIndex == std::string::npos) {
		Dir = ".";
	}
	else if (SlashIndex == 0) {
		Dir = "/";
	}
	else {
		Dir = Filename.substr(0, SlashIndex);
	}

	bool Ret = true;

	// Initialize the materials
	for (unsigned int i = 0; i < pScene->mNumMaterials; i++) {
		const aiMaterial* pMaterial = pScene->mMaterials[i];

		m_Textures[i] = NULL;
		if (pMaterial->GetTextureCount(aiTextureType_DIFFUSE) > 0) {
			aiString Path;

			if (pMaterial->GetTexture(aiTextureType_DIFFUSE, 0, &Path, NULL, NULL, NULL, NULL, NULL) == AI_SUCCESS) {
				std::string FullPath = Dir + "/" + Path.data;
				m_Textures[i] = new Texture(GL_TEXTURE_2D, FullPath.c_str());

				if (!m_Textures[i]->Load()) {
					printf("Error loading texture '%s'\n", FullPath.c_str());
					delete m_Textures[i];
					m_Textures[i] = NULL;
					Ret = false;
				}
				else {
					printf("Loaded texture '%s'\n", FullPath.c_str());
				}
			}
		}

		// Load a white texture in case the model does not include its own texture
		if (!m_Textures[i]) {
			m_Textures[i] = new Texture(GL_TEXTURE_2D, "/Resources/white.jpg");

			Ret = m_Textures[i]->Load();
		}
	}

	return Ret;
}

Code: Select all

bool Texture::Load()
{
    try {
        m_pImage = new Magick::Image(m_fileName);
        m_pImage->write(&m_blob, "RGBA");
    }
    catch (Magick::Error& Error) {
        std::cout << "Error loading texture '" << m_fileName << "': " << Error.what() << std::endl;
        return false;
    }

    glGenTextures(1, &m_textureObj);
    glBindTexture(m_textureTarget, m_textureObj);
    glTexImage2D(m_textureTarget, 0, GL_RGBA, m_pImage->columns(), m_pImage->rows(), 0, GL_RGBA, GL_UNSIGNED_BYTE, m_blob.data());
    glTexParameterf(m_textureTarget, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
	glTexParameterf(m_textureTarget, GL_TEXTURE_MAG_FILTER, GL_LINEAR);

    return true;
}