/// <summary>
/// Renders the List onto it's parent container's graphics.
/// </summary>
public override void OnRender(DrawingContext dc)
{
// Only render the child bitmap if children change
if (NumChildren > 0) // && _renderedWithNumChildren < NumChildren
{
//_renderedWithNumChildren = NumChildren;
var start = PageIndex * PageSize;
var end = (PageIndex + 1) * PageSize;
if (end > NumChildren)
{
end = NumChildren;
}
_bitmap = new GlideGraphics(_rect.Width, (end - start) * firstHeight);
_bitmap.DrawRectangle(new Glide.Geom.Rectangle()
{
X = 0, Y = 0, Width = _bitmap.GetBitmap().Width, Height = _bitmap.GetBitmap().Height
}, System.Drawing.Color.White, 100); //Glide.Ext.Colors.White,1, 0, 0, _bitmap.GetBitmap().Width, _bitmap.GetBitmap().Height, 0, 0, Glide.Ext.Colors.White, 0, 0, Glide.Ext.Colors.White, 0, 0, Alpha);
int counter = 0;
for (int i = start; i < end; i++)
{
var item = GetItem(i);
item.Render(_bitmap, counter * item.Height);
counter++;
}
_listMaxY = _bitmap.GetBitmap().Height - Height;
}
Media.Brush brush = new SolidColorBrush(Media.Colors.Black);
var pen = new Media.Pen(Media.Colors.Black, 1);
//dc.DrawRectangle(brush,pen, 0, 0, LCDWidth, LCDHeight);
dc.DrawImage(BitmapImage.FromGraphics(System.Drawing.Graphics.FromImage(_bitmap.GetBitmap())), X, Y, 0, _listY, _rect.Width, Height);
Media.Brush buttonBrush = new SolidColorBrush(Media.Colors.Gray);
//draw button up and down
dc.DrawRectangle(buttonBrush, pen, _rect.Width, 0, ButtonUp.Width, ButtonUp.Height);
dc.DrawRectangle(buttonBrush, pen, _rect.Width, ButtonUp.Height, ButtonDown.Width, ButtonDown.Height);
dc.DrawText("Up", _font, Media.Colors.White, _rect.Width + 5, ButtonUp.Height / 2);
dc.DrawText("Down", _font, Media.Colors.White, _rect.Width + 5, (ButtonUp.Height) + (ButtonDown.Height / 2));
}
private void RenderHeaders()
{
int x = 0;
_headers.DrawRectangle(new Glide.Geom.Rectangle(x, 0, Width, _headers.GetBitmap().Height), HeadersBackColor, 255);
//_headers.DrawRectangle(0, 0, x, 0, Width, _headers.Height, 0, 0, HeadersBackColor.ToNativeColor(), 0, 0, 0, 0, 0, 255);
DataGridColumn dataGridColumn;
for (int j = 0; j < _columns.Count; j++)
{
dataGridColumn = (DataGridColumn)_columns[j];
// Draw text
//0
_headers.DrawTextInRect(dataGridColumn.Label, x + 5, (_headers.GetBitmap().Height - Font.Height) / 2, dataGridColumn.Width, _headers.GetBitmap().Height, new StringFormat(), HeadersFontColor, Font);
// If we're on the selected column draw the icon.
if (j == _selectedDataGridColumnIndex)
{
int width = 0, height = 0;
//Font.ComputeExtent(dataGridColumn.Label, out width, out height);
var size = _headers.GetGraphic().MeasureString(dataGridColumn.Label, Font);
width = (int)size.Width;
height = (int)size.Height;
if (dataGridColumn.Order == Order.ASC)
{
_headers.DrawImage(x + 10 + width, 5, _DataGridIcon_Asc, 0, 0, _DataGridIcon_Asc.Width, _DataGridIcon_Asc.Height, 0xff);
}
else
{
_headers.DrawImage(x + 10 + width, 5, _DataGridIcon_Desc, 0, 0, _DataGridIcon_Desc.Width, _DataGridIcon_Desc.Height, 0xff);
}
}
x += dataGridColumn.Width;
}
}
private void RenderEmpty()
{
_items.DrawRectangle(ItemsBackColor, 1, 0, 0, _items.GetBitmap().Width, _items.GetBitmap().Height, 0, 0, ItemsBackColor, 0, 0, System.Drawing.Color.Black, 0, 0, 255);
int x = 0;
for (int i = 0; i < _columns.Count; i++)
{
_items.DrawLine(GridColor, 1, x, 0, x, _items.GetBitmap().Height);
x += ((DataGridColumn)_columns[i]).Width;
}
}