class RenderArea

# File examples/painting/basicdrawing/renderarea.rb, line 49
def initialize(parent = nil)
    super(parent)
    @shape = Polygon
    @antialiased = false
        @pen = Qt::Pen.new
        @brush = Qt::Brush.new
        @pixmap = Qt::Pixmap.new
    @pixmap.load("images/qt-logo.png")

    setBackgroundRole(Qt::Palette::Base)
end

# File examples/painting/basicdrawing/renderarea.rb, line 84
def antialiased=(antialiased)
    @antialiased = antialiased
    update()
end

# File examples/painting/basicdrawing/renderarea.rb, line 79
def brush=(brush)
    @brush = brush
    update()
end

# File examples/painting/transformations/renderarea.rb, line 85
def drawCoordinates(painter)
    painter.pen = Qt::Pen.new(Qt::Color.new(Qt::red))

    painter.drawLine(0, 0, 50, 0)
    painter.drawLine(48, -2, 50, 0)
    painter.drawLine(48, 2, 50, 0)
    painter.drawText(60 - @xBoundingRect.width() / 2,
                     0 + @xBoundingRect.height() / 2, tr("x"))

    painter.drawLine(0, 0, 0, 50)
    painter.drawLine(-2, 48, 0, 50)
    painter.drawLine(2, 48, 0, 50)
    painter.drawText(0 - @yBoundingRect.width() / 2,
                     60 + @yBoundingRect.height() / 2, tr("y"))
end

# File examples/painting/transformations/renderarea.rb, line 101
def drawOutline(painter)
    painter.pen = Qt::Pen.new(Qt::Color.new(Qt::darkGreen))
    painter.pen = Qt::Pen.new(Qt::DashLine)
    painter.brush = Qt::NoBrush
    painter.drawRect(0, 0, 100, 100)
end

# File examples/painting/transformations/renderarea.rb, line 108
def drawShape(painter)
    painter.fillPath(@shape, Qt::Brush.new(Qt::blue))
end

# File examples/painting/painterpaths/renderarea.rb, line 54
def fillRule=(rule)
    @path.fillRule = rule
    update()
end

# File examples/painting/basicdrawing/renderarea.rb, line 61
def minimumSizeHint()
    return Qt::Size.new(100, 100)
end

# File examples/painting/transformations/renderarea.rb, line 46
def operations=(operations)
    @operations = Array.new(operations)
    update()
end

# File examples/painting/basicdrawing/renderarea.rb, line 94
def paintEvent(event)
    points = Qt::Polygon.new([ Qt::Point.new(10, 80),
                                                       Qt::Point.new(20, 10),
                                                       Qt::Point.new(80, 30),
                                                       Qt::Point.new(90, 70) ])

    rect = Qt::Rect.new(10, 20, 80, 60)

    path = Qt::PainterPath.new
    path.moveTo(20, 80)
    path.lineTo(20, 30)
    path.cubicTo(80, 0, 50, 50, 80, 80)

    startAngle = 30 * 16
    arcLength = 120 * 16

    painter = Qt::Painter.new(self)
    painter.pen = @pen

    painter.brush = @brush
    if @antialiased
        painter.renderHint = Qt::Painter::Antialiasing
        end

        x = 0
        while x < width() do
                y = 0
                while y < height() do
            painter.save()
            painter.translate(x, y)
            if @transformed
                painter.translate(50, 50)
                painter.rotate(60.0)
                painter.scale(0.6, 0.9)
                painter.translate(-50, -50)
            end

            case @shape
            when Line
                painter.drawLine(rect.bottomLeft(), rect.topRight())
            when Points
                painter.drawPoints(points)
            when Polyline
                painter.drawPolyline(points)
            when Polygon
                painter.drawPolygon(points)
            when Rect
                painter.drawRect(rect)
            when RoundRect
                painter.drawRoundRect(rect)
            when Ellipse
                painter.drawEllipse(rect)
            when Arc
                painter.drawArc(rect, startAngle, arcLength)
            when Chord
                painter.drawChord(rect, startAngle, arcLength)
            when Pie
                painter.drawPie(rect, startAngle, arcLength)
            when Path
                painter.drawPath(path)
            when Text
                painter.drawText(rect, Qt::AlignCenter, tr("Qt by\nTrolltech"))
            when Pixmap
                painter.drawPixmap(10, 10, @pixmap)
            end
            painter.restore()
                        y += 100
        end
                x += 100
    end
        painter.end
end

# File examples/painting/basicdrawing/renderarea.rb, line 74
def pen=(pen)
    @pen = pen
    update()
end

# File examples/painting/painterpaths/renderarea.rb, line 70
def penColor=(color)
    @penColor = color
    update()
end

# File examples/painting/painterpaths/renderarea.rb, line 65
def penWidth=(width)
    @penWidth = width
    update()
end

# File examples/painting/painterpaths/renderarea.rb, line 75
def rotationAngle=(degrees)
    @rotationAngle = degrees
    update()
end

# File examples/painting/painterpaths/renderarea.rb, line 59
def setFillGradient(color1, color2)
    @fillColor1 = color1
    @fillColor2 = color2
    update()
end

# File examples/painting/basicdrawing/renderarea.rb, line 69
def shape=(shape)
    @shape = shape
    update()
end

# File examples/painting/basicdrawing/renderarea.rb, line 65
def sizeHint()
    return Qt::Size.new(400, 200)
end

# File examples/painting/transformations/renderarea.rb, line 112
def transformPainter(painter)
        (0...@operations.length).each do |i|
        case @operations[i]
        when Translate
            painter.translate(50, 50)
        when Scale
            painter.scale(0.75, 0.75)
        when Rotate
            painter.rotate(60)
        when NoTransformation
        else
            
        end
    end
end

# File examples/painting/basicdrawing/renderarea.rb, line 89
def transformed=(transformed)
    @transformed = transformed
    update()
end