C++ (Cpp) get_targa_format_type_and_size Beispiele

Beispiel #1

Datei: targa.cpp Projekt: ZYMing/OpenGL-Shader

unsigned char * load_targa(const char * filename, GLenum &format, int &width, int &height)
{
    targa_header header;
    FILE * f;

    f = fopen(filename, "rb");

    if (!f)
        return 0;

    fread(&header, sizeof(header), 1, f);

    width = header.image_spec.width;
    height = header.image_spec.height;

    GLenum type;
    int size;

    get_targa_format_type_and_size(header, format, type, size);

    unsigned char * data = new unsigned char [width * height * size];

    if (is_compressed_targa(header))
    {
        // TODO: Handle compressed targa files
    }
    else
    {
        fread(data, width * height, size, f);
    }

    fclose(f);

    return data;
}

Beispiel #2

Datei: targa.cpp Projekt: chemaoxian/OpenGL

unsigned char * load_targa(const char * filename, GLenum &format, int &width, int &height)
{
    targa_header header;
    FILE * f;

    f = fopen(filename, "rb");

    if (!f)
        return 0;

    fread(&header, sizeof(header), 1, f);

    width = header.image_spec.width;
    height = header.image_spec.height;

    GLenum type;
    int size;

    get_targa_format_type_and_size(header, format, type, size);

    unsigned char * data = new unsigned char [width * height * size];

    if (is_compressed_targa(header))
    {
        // TODO: Handle compressed targa files
    }
    else
    {
        fread(data, width * height, size, f);
		//memset(data, 100, width * height * size);
		for (auto i = 0; i < width; i++) {
			for (auto j = 0; j < height; j++) {
				size_t base = (i * width + j) * 3;
				if (i <= 50 || i >= width - 50 || j <= 50 || j >= height - 50) {
					data[base] = data[base + 1] = data[base + 2] = 0x00;
				}
				else {
					data[base] = 0x0F;
					data[base + 1] = 00;
					data[base + 2] = 0xf0;
				}
			}
		}
    }

    fclose(f);

    return data;
}