Method TextDrawerSoft

PanzerChasm/text_drawer_soft.cpp:13–48

{

TextDrawerSoft::TextDrawerSoft(
	const RenderingContextSoft& rendering_context,
	const GameResources& game_resources )
	: rendering_context_(rendering_context)
{
	const Vfs::FileContent font_file= game_resources.vfs->ReadFile( FontParams::font_file_name );
	const CelTextureHeader* const cel_header= reinterpret_cast<const CelTextureHeader*>( font_file.data() );
	const unsigned char* const font_data= font_file.data() + sizeof(CelTextureHeader);

	const unsigned int pixel_count= cel_header->size[0] * cel_header->size[1];

	for( unsigned int c= 0u; c < FontParams::colors_variations; c++ )
	{
		unsigned char* const font_data_shifted= font_texture_data_ + FontParams::atlas_width * FontParams::atlas_height * c;

		ColorShift(
			FontParams::start_inner_color, FontParams::end_inner_color,
			FontParams::color_shifts[c],
			pixel_count,
			font_data,
			font_data_shifted );

		// Hack. Move "slider" letter from code '\0';
		for( unsigned int y= 0; y < FontParams::letter_place_height; y++ )
			std::memcpy(
				font_data_shifted + FontParams::atlas_width * y + FontParams::letter_place_width * ( c_slider_back_letter_code & 15u ) +  FontParams::atlas_width * FontParams::letter_place_height * ( c_slider_back_letter_code >> 4u ),
				font_data_shifted + FontParams::atlas_width * y,
				FontParams::letter_place_width );
	}

	CalculateLettersWidth(
		font_data,
		letters_width_ );

	letters_width_[ c_slider_back_letter_code ]= letters_width_[0]; // Move slider letter.
}

TextDrawerSoft::~TextDrawerSoft()
{}