public Painter(ImageMapView mapView)
{
this.imageMap = mapView.ImageMap;
this.segmentMap = mapView.SegmentMap;
this.granularity = mapView.granularity;
segLayouts = new List <SegmentLayout>();
long x = 0;
long cx = 0;
if (imageMap != null && granularity > 0)
{
foreach (var segment in segmentMap.Segments.Values)
{
cx = (segment.Size + granularity - 1) / granularity;
segLayouts.Add(new SegmentLayout
{
Segment = segment,
X = x,
CxWidth = cx
});
x += cx + CxSegmentBorder;
}
}
this.rcClient = mapView.ClientRectangle;
rcBody = new Rectangle(
CxScroll, 0,
rcClient.Width - 2 * CxScroll,
rcClient.Height - CySelection);
Extent = (int)x;
}
public void Setup()
{
ctrl = new ImageMapView();
form = new Form();
form.Controls.Add(ctrl);
ctrl.Dock = DockStyle.Top;
form.Show();
}
public void Paint(Graphics g, ImageMapView mapView)
{
this.brBack = new SolidBrush(mapView.BackColor);
this.brCode = new SolidBrush(Color.Pink);
this.brData = new SolidBrush(Color.LightBlue);
try
{
RenderSelectionBar(g, mapView.Focused);
RenderScrollControls(g, mapView);
RenderBody(g, mapView.cxOffset);
}
finally
{
brData.Dispose();
brCode.Dispose();
brBack.Dispose();
}
}
private void RenderScrollControls(Graphics g, ImageMapView mapView)
{
int cbTotal = 0;
var baseState = imageMap != null && cbTotal > granularity * rcClient.Width
? ButtonState.Flat
: ButtonState.Flat | ButtonState.Inactive;
ControlPaint.DrawScrollButton(g,
0, (rcClient.Height - CyScroll) / 2,
CxScroll,
CyScroll,
ScrollButton.Left,
(mapView.scrollButton == ScrollButton.Left ? ButtonState.Pushed : ButtonState.Normal) | baseState);
ControlPaint.DrawScrollButton(g,
rcClient.Width - CxScroll,
(rcClient.Height - CyScroll) / 2,
CxScroll,
CyScroll,
ScrollButton.Right,
(mapView.scrollButton == ScrollButton.Left ? ButtonState.Pushed : ButtonState.Normal) | baseState);
}
public void TearDown()
{
form.Dispose();
form = null;
ctrl = null;
}
