private void OnPreviewViewportDraw(Device device, SpriteBatch spriteBatch, Rectangle cliprectangle)
{
UiEncodingWindowSource source = _currentSource;
if (source == null)
{
return;
}
spriteBatch.Begin(SpriteSortMode.Deferred, null, _previewViewport.DxControl.RenderContainer.GraphicsDevice.SamplerStates.PointClamp, null, null, null, SharpDX.Matrix.Scaling(_scale));
float x = 0, maxX = 0;
float y = source.Info.Header.LineSpacing;
int squareSize = source.Info.Header.SquareSize;
int lineSpacing = source.Info.Header.LineHeight + source.Info.Header.LineSpacing;
foreach (char ch in _previewText)
{
if (ch == '\r')
{
continue;
}
if (ch == '\n')
{
x = 0;
y += lineSpacing;
continue;
}
short index;
if (source.Codes.TryGetValue(ch, out index))
{
int ox, oy;
int h, w;
if (index < 256)
{
byte before, width, after;
source.Info.GetSizes(index, out before, out width, out after);
w = width;
h = source.Info.Header.LineHeight;
if (before > 0x7F)
{
x = Math.Max(x - (0xFF - before), 0);
}
else
{
x += before;
}
source.Info.GetOffsets(index, out ox, out oy);
source.Texture.Draw(device, spriteBatch, new Vector2(x, y), new Rectangle(ox, oy, w, h), 0, cliprectangle);
if (after > 0x7F)
{
x = Math.Max(x - (0xFF - after), 0);
}
else
{
x += after;
}
}
else
{
index -= 256;
w = h = squareSize;
int value = source.Info.AdditionalTable[index];
ox = (value & 0xFF) * squareSize;
oy = (value >> 8) * squareSize;
source.Texture.Draw(device, spriteBatch, new Vector2(x, y), new Rectangle(ox, oy, w, h), 0, cliprectangle);
}
x += w;
maxX = Math.Max(x, maxX);
}
}
spriteBatch.End();
double desiredWidth, desiredHeight;
_previewViewport.GetDesiredSize(out desiredWidth, out desiredHeight);
double newDesiredWidth = x * _scale;
double newDesiredHeight = (y + lineSpacing) * _scale;
if (Math.Abs(newDesiredWidth - desiredWidth) > 1 || Math.Abs(newDesiredHeight - newDesiredHeight) > 1)
{
_previewViewport.SetDesiredSize(newDesiredWidth, newDesiredHeight);
}
}
private void OnComboBoxItemChanged(object sender, EventArgs e)
{
_currentSource = (UiEncodingWindowSource)_comboBox.SelectedItem;
_charactersControl.SetCurrent(_currentSource, new int[0], new int[0]);
_editViewport.SetDesiredSize(_currentSource.Texture.Descriptor2D.Width, _currentSource.Texture.Descriptor2D.Height);
}