public static string getImageAspectRatioAsFraction(int x, int y)
{
double ratio = (double)x / (double)y;
mMath math = new mMath();
Fraction fraction = math.RealToFraction(ratio, 0.01);
return(fraction.N.ToString() + ":" + fraction.D.ToString());
}
private void validateTextboxInput(TextBox textbox)
{ //This function can be called to check user input values for X and Y resolution and correct them if necessary
if (textbox == textBoxResizeNewX)
{
try
{
mMath mMath = new mMath();
int newX = mMath.LimitToRange(int.Parse(textBoxResizeNewX.Text), Program.MinX, Program.MaxX); //Limit user input to permitted range
if (checkBoxResizeLockAspect.Checked)
{ //When aspect ratio is locked, automatically update Y-value to match X-input
double ratio = Program.getImageAspectRatio();
int newY = (int)Math.Round(newX / ratio);
if (newY < Program.MinY || newY > Program.MaxY)
{ //If newX is too large, it has to be constrained and newY recalculated
newY = new mMath().LimitToRange(newY, Program.MinY, Program.MaxY);
newX = (int)Math.Round(newY * ratio);
}
textBoxResizeNewX.Text = newX.ToString();
textBoxResizeNewY.Text = Math.Round(newX / ratio).ToString();
labelResizeNewAspect.Text = Program.getImageAspectRatioAsFraction(newX, newY);
return;
}
else
{
int newY = int.Parse(textBoxResizeNewY.Text);
textBoxResizeNewX.Text = newX.ToString();
labelResizeNewAspect.Text = Program.getImageAspectRatioAsFraction(newX, newY);
return;
}
}
catch (Exception ex)
{
Debug.WriteLine(TAG + ": " + ex.Message);
}
}
else if (textbox == textBoxResizeNewY)
{
try
{
mMath mMath = new mMath();
int newY = mMath.LimitToRange(int.Parse(textBoxResizeNewY.Text), Program.MinY, Program.MaxY);
if (checkBoxResizeLockAspect.Checked)
{ //When aspect ratio is locked, automatically update X-value to match Y-input
double ratio = Program.getImageAspectRatio();
int newX = (int)Math.Round(newY * ratio);
if (newX < Program.MinX || newX > Program.MaxX)
{ //If newX is too large, it has to be constrained and newY recalculated
newX = new mMath().LimitToRange(newX, Program.MinX, Program.MaxX); //check and clamp newX value if needed
newY = (int)Math.Round(newX / ratio);
}
textBoxResizeNewY.Text = newY.ToString();
textBoxResizeNewX.Text = newX.ToString();
labelResizeNewAspect.Text = Program.getImageAspectRatioAsFraction(newX, newY);
return;
}
else
{
int newX = int.Parse(textBoxResizeNewX.Text);
double ratio = newX / newY;
textBoxResizeNewY.Text = newY.ToString();
labelResizeNewAspect.Text = Program.getImageAspectRatioAsFraction(newX, newY);
return;
}
}
catch (Exception ex)
{
Debug.WriteLine(TAG + ": " + ex.Message);
}
}
}
