ulibrary/source/textSize.c

#include "ulib.h"

int ulGetStringWidth(const char *str)
{
    unsigned char c;
    u32 x = 0;

    // Parcourt tous les caractères
    while(*str)
    {
        c = *(unsigned char*)str++;
        x += ul_curFont->charWidths[c];
    }

    return x;
}

int ulGetTextBoxHeight(int width, int maxHeight, const char *text, int format)
{
    int x,y, x2;
    unsigned char c, newLine = 1;
    const char *text2;

    x = y = 0;

    while (*text)
    {
        c = *text;
        if (c == ' ')
        {
            text2 = text;
            x2 = x;
            do
            {
                x2 += ul_curFont->charWidths[(int)(*text2++)];
                if (x2 > width)
                {
                    text++;
                    goto newline;
                }
            } while (*text2 != '\n' && *text2 != ' ' && *text2);
        }
        if (x + ul_curFont->charWidths[c] > width || *text == '\n')
        {
newline:
            // Prochaine ligne
            x = 0;
            if (newLine && *text == '\n')
                y += ul_curFont->charHeight;
            newLine = 1;
            // Retour -> saute
            if (*text == '\n')
                text++;
            continue;
        }
        // Trop bas -> terminé
        if (y + ul_curFont->charHeight > maxHeight && maxHeight > 0)
            break;
        if (newLine)
            newLine = 0, y += ul_curFont->charHeight;
        x += ul_curFont->charWidths[c];
        text++;
    }

    return y;
}