Function setBitmapForSprite

src/openrct2/drawing/ScrollingText.cpp:1469–1523

    }

    static void setBitmapForSprite(
        std::string_view text, int32_t scroll, PaletteIndex* bitmap, const int16_t* scrollPositionOffsets, PaletteIndex colour)
    {
        auto characterColour = colour;
        auto fmt = FmtString(text);

        // Repeat string a maximum of four times (eliminates possibility of infinite loop)
        for (auto i = 0; i < 4; i++)
        {
            for (const auto& token : fmt)
            {
                if (token.IsLiteral())
                {
                    CodepointView codepoints(token.text);
                    for (auto codepoint : codepoints)
                    {
                        auto characterWidth = FontSpriteGetCodepointWidth(FontStyle::tiny, codepoint);
                        auto characterBitmap = FontSpriteGetCodepointBitmap(codepoint);
                        for (; characterWidth != 0; characterWidth--, characterBitmap++)
                        {
                            // Skip any non-displayed columns
                            if (scroll != 0)
                            {
                                scroll--;
                                continue;
                            }

                            int16_t scrollPosition = *scrollPositionOffsets;
                            if (scrollPosition == -1)
                                return;

                            if (scrollPosition > -1)
                            {
                                auto dst = &bitmap[scrollPosition];
                                for (uint8_t char_bitmap = *characterBitmap; char_bitmap != 0; char_bitmap >>= 1)
                                {
                                    if (char_bitmap & 1)
                                        *dst = characterColour;

                                    // Jump to next row
                                    dst += 64;
                                }
                            }
                            scrollPositionOffsets++;
                        }
                    }
                }
                else if (FormatTokenIsColour(token.kind))
                {
                    auto colourIndex = FormatTokenToTextColour(token.kind);
                    characterColour = getTextColourMapping(colourIndex).fill;
                }
            }
        }
    }

    static void setBitmapForTTF(
        std::string_view text, int32_t scroll, PaletteIndex* bitmap, const int16_t* scrollPositionOffsets, PaletteIndex colour)