darling-cocotron/Onyx2D/O2PDFCharWidths.m

#import <Onyx2D/O2PDFArray.h>
#import <Onyx2D/O2PDFCharWidths.h>

@implementation O2PDFCharWidths

- initWithArray: (O2PDFArray *) array
           firstChar: (int) firstChar
            lastChar: (int) lastChar
        missingWidth: (CGFloat) missingWidth
{
    int i, arrayIndex;

    for (i = 0; i < firstChar; i++)
        _widths[i] = missingWidth;

    for (arrayIndex = 0; i <= lastChar; i++, arrayIndex++) {
        O2PDFReal real = 0;

        [array getNumberAtIndex: arrayIndex value: &real];

        _widths[i] = real / 1000.0;
    }
    for (; i < 256; i++)
        _widths[i] = missingWidth;

    return self;
}

void O2PDFCharWidthsGetAdvances(O2PDFCharWidths *self, O2Size *advances,
                                const uint8_t *bytes, int length)
{
    int i;

    for (i = 0; i < length; i++) {
        advances[i].width = self->_widths[bytes[i]];
        advances[i].height = 0;
    }
}

@end