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Updated aspect ratio algorithm to adapt vertical position changes.

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Lorenz Cuno Klopfenstein 2012-11-14 15:22:26 +01:00
parent 6dfa6615d3
commit d6c31c2999
1 changed files with 24 additions and 3 deletions
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27
OnTopReplica/AspectRatioForm.cs
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@ -18,6 +18,9 @@ namespace OnTopReplica {
/// <summary>
/// Gets or sets whether the form should keep its aspect ratio.
/// </summary>
/// <remarks>
/// Refreshes the window's size if set to true.
/// </remarks>
[Description("Enables fixed aspect ratio for this form."), Category("Appearance"), DefaultValue(true)]
public bool KeepAspectRatio {
get {
@ -74,12 +77,29 @@ namespace OnTopReplica {
public void RefreshAspectRatio() {
int newWidth = ClientSize.Width;
int newHeight = (int)((ClientSize.Width - ExtraPadding.Horizontal) / AspectRatio) + ExtraPadding.Vertical;
if (newHeight < FromSizeToClientSize(MinimumSize).Height) {
newHeight = FromSizeToClientSize(MinimumSize).Height;
//Adapt height if it doesn't respect the form's minimum size
Size clientMinimumSize = FromSizeToClientSize(MinimumSize);
if (newHeight < clientMinimumSize.Height) {
newHeight = clientMinimumSize.Height;
newWidth = (int)((newHeight - ExtraPadding.Vertical) * AspectRatio) + ExtraPadding.Horizontal;
}
//Adapt height if it exceeds the screen's height
var workingArea = Screen.GetWorkingArea(this);
if (newHeight >= workingArea.Height) {
newHeight = workingArea.Height;
newWidth = (int)((newHeight - ExtraPadding.Vertical) * AspectRatio) + ExtraPadding.Horizontal;
}
//Update size
ClientSize = new Size(newWidth, newHeight);
//Move form vertically to adapt to new size
if (Location.Y + Size.Height > workingArea.Y + workingArea.Height) {
int offsetY = (workingArea.Y + workingArea.Height) - (Location.Y + Size.Height);
Location = new Point(Location.X, Location.Y - offsetY);
}
}
/// <summary>
@ -111,13 +131,14 @@ namespace OnTopReplica {
/// <param name="forceRefresh">True if the size of the form should be refreshed to match the new aspect ratio.</param>
public void SetAspectRatio(Size aspectRatioSource, bool forceRefresh) {
AspectRatio = ((double)aspectRatioSource.Width / (double)aspectRatioSource.Height);
_keepAspectRatio = true;
#if DEBUG
System.Diagnostics.Trace.WriteLine(string.Format("Setting aspect ratio of {0} (for {1}).", AspectRatio, aspectRatioSource));
#endif
if (forceRefresh) {
KeepAspectRatio = true;
RefreshAspectRatio();
}
}