Method WriteData

code/Common/Bitmap.cpp:133–156

}

void Bitmap::WriteData(aiTexture *texture, IOStream *file) {
    static const std::size_t padding_offset = 4;
    static const uint8_t padding_data[padding_offset] = { 0x0, 0x0, 0x0, 0x0 };

    unsigned int padding = (padding_offset - ((mBytesPerPixel * texture->mWidth) % padding_offset)) % padding_offset;
    uint8_t pixel[mBytesPerPixel];

    for (std::size_t i = 0; i < texture->mHeight; ++i) {
        for (std::size_t j = 0; j < texture->mWidth; ++j) {
            const aiTexel &texel = texture->pcData[(texture->mHeight - i - 1) * texture->mWidth + j]; // Bitmap files are stored in bottom-up format

            pixel[0] = texel.r;
            pixel[1] = texel.g;
            pixel[2] = texel.b;
            pixel[3] = texel.a;

            file->Write(pixel, mBytesPerPixel, 1);
        }
        // When padding is 0, passing it as an argument will cause an assertion failure in DefaultIOStream::Write.
        if (padding) {
            file->Write(padding_data, padding, 1);
        }
    }
}

} // namespace Assimp