private void SetZoomValue(float value)
{
_zoom_value = MathExtra.Clamp(value, _zoom_min_value, _zoom_max_value);;
sldZoomLevel.Value = (int)(_zoom_value / _zoom_step_value);
textBoxZoomValue.Text = Convert.ToInt32((int)_zoom_value).ToString() + "%";
RaiseEventValueChanged(new EventArgs());
}
private void textBoxZoomValue_Validating(object sender, CancelEventArgs e)
{
string text = textBoxZoomValue.Text.Replace("%", string.Empty).Replace(" ", string.Empty);
int value = 0;
try
{
value = Convert.ToInt32(text);
}
catch
{
value = 100;
}
value = MathExtra.Clamp(value / _zoom_step_value, sldZoomLevel.Minimum, sldZoomLevel.Maximum);
textBoxZoomValue.Text = (value * _zoom_step_value).ToString();
}
private void previewPanel_Paint(object sender, PaintEventArgs e)
{
if (!IsFrameValid)
{
return;
}
ViewFrame thisFrame = _view.Loops[(int)udLoop.Value].Frames[(int)udFrame.Value];
int spriteNum = thisFrame.Image;
Size spriteSize = Utilities.GetSizeSpriteWillBeRenderedInGame(spriteNum);
spriteSize = MathExtra.SafeScale(spriteSize, _zoomLevel);
if (spriteSize.Width <= previewPanel.ClientSize.Width && spriteSize.Height <= previewPanel.ClientSize.Height)
{
int x = chkCentrePivot.Checked ? previewPanel.ClientSize.Width / 2 - spriteSize.Width / 2 : 0;
int y = previewPanel.ClientSize.Height - spriteSize.Height;
IntPtr hdc = e.Graphics.GetHdc();
Factory.NativeProxy.DrawSprite(hdc, x, y, spriteSize.Width, spriteSize.Height, spriteNum, thisFrame.Flipped);
e.Graphics.ReleaseHdc();
}
else
{
Bitmap bmp = Utilities.GetBitmapForSpriteResizedKeepingAspectRatio(new Sprite(spriteNum, spriteSize.Width, spriteSize.Height), previewPanel.ClientSize.Width, previewPanel.ClientSize.Height, chkCentrePivot.Checked, false, SystemColors.Control);
if (thisFrame.Flipped)
{
Point urCorner = new Point(0, 0);
Point ulCorner = new Point(bmp.Width, 0);
Point llCorner = new Point(bmp.Width, bmp.Height);
Point[] destPara = { ulCorner, urCorner, llCorner };
e.Graphics.DrawImage(bmp, destPara);
}
else
{
e.Graphics.DrawImage(bmp, 1, 1);
}
bmp.Dispose();
}
}
private void UpdateSize()
{
if (_view == null)
{
return;
}
// Calculate the maximal view frame size,
// see if the frame may be resized within the control's client size
Size viewSize = Utilities.GetSizeViewWillBeRenderedInGame(_view);
viewSize = MathExtra.SafeScale(viewSize, _zoomLevel);
if (previewPanel.ClientSize.Width < viewSize.Width ||
previewPanel.ClientSize.Height < viewSize.Height)
{
previewPanel.ClientSize = new Size(
Math.Max(previewPanel.ClientSize.Width, viewSize.Width),
Math.Max(previewPanel.ClientSize.Height, viewSize.Height));
}
else
{
previewPanel.ClientSize = new Size(
Math.Max(_defaultFrameSize.Width, viewSize.Width),
Math.Max(_defaultFrameSize.Height, viewSize.Height));
}
previewPanel.Invalidate();
if (_autoResize)
{
// Try to calculate necessary size, knowing the previewPanel's
// location relative to client edges, and its new size
// (actually use panelAutoScroll as a reference here, as it's
// previewPanel's immediate parent).
this.ClientSize = new Size(
panelAutoScroll.Left + (this.ClientRectangle.Right - panelAutoScroll.Right) + previewPanel.Width,
panelAutoScroll.Top + (this.ClientRectangle.Bottom - panelAutoScroll.Bottom) + previewPanel.Height);
}
}