Esempio n. 1
0
static void doDrawTextAtPoint(GraphicsContext& context, const String& text, const IntPoint& point, const Font& font, const Color& color, int underlinedIndex)
{
    TextRun run(text.characters(), text.length());

    context.setFillColor(color);
    if (isOneLeftToRightRun(run))
        font.drawText(&context, run, point);
    else {
        context.setFont(font);
        context.drawBidiText(run, point);
    }

    if (underlinedIndex >= 0) {
        ASSERT(underlinedIndex < static_cast<int>(text.length()));

        int beforeWidth;
        if (underlinedIndex > 0) {
            TextRun beforeRun(text.characters(), underlinedIndex);
            beforeWidth = font.width(beforeRun);
        } else
            beforeWidth = 0;

        TextRun underlinedRun(text.characters() + underlinedIndex, 1);
        int underlinedWidth = font.width(underlinedRun);

        IntPoint underlinePoint(point);
        underlinePoint.move(beforeWidth, 1);

        context.setStrokeColor(color);
        context.drawLineForText(underlinePoint, underlinedWidth, false);
    }
}
static void doDrawTextAtPoint(GraphicsContext& context, const String& text, const IntPoint& point, const Font& font, const Color& color, int underlinedIndex)
{
    FontCachePurgePreventer fontCachePurgePreventer;

    TextRun run(text);

    context.setFillColor(color, ColorSpaceDeviceRGB);
    if (isOneLeftToRightRun(run))
        font.drawText(&context, run, point);
    else
        context.drawBidiText(font, run, point);

    if (underlinedIndex >= 0) {
        ASSERT_WITH_SECURITY_IMPLICATION(underlinedIndex < static_cast<int>(text.length()));

        int beforeWidth;
        if (underlinedIndex > 0) {
            TextRun beforeRun(StringView(text).substring(0, underlinedIndex));
            beforeWidth = font.width(beforeRun);
        } else
            beforeWidth = 0;

        TextRun underlinedRun(StringView(text).substring(underlinedIndex, 1));
        int underlinedWidth = font.width(underlinedRun);

        IntPoint underlinePoint(point);
        underlinePoint.move(beforeWidth, 1);

        context.setStrokeColor(color, ColorSpaceDeviceRGB);
        context.drawLineForText(underlinePoint, underlinedWidth, false);
    }
}