measureString() [2/2]

float fl::FontRenderer::measureString

(

fl::span< const char >

str

)

const

Definition at line 241 of file truetype.cpp.hpp.

                                                              {
    if (str.empty() || !mFont) return 0.0f;
 
    float width = 0.0f;
    i32 prevCodepoint = 0;
 
    for (size_t i = 0; i < str.size(); ++i) {
        i32 codepoint = static_cast<i32>(static_cast<unsigned char>(str[i]));
 
        // Add kerning adjustment if this isn't the first character
        if (prevCodepoint != 0) {
            width += getKerning(prevCodepoint, codepoint);
        }
 
        // Add character advance
        width += getAdvance(codepoint);
        prevCodepoint = codepoint;
    }
 
    return width;
}

References fl::span< T, Extent >::empty(), getAdvance(), getKerning(), mFont, fl::span< T, Extent >::size(), and fl::width.

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