resize font to fit container in csharp

In order to resize a font to fit a container in C#, you can use the Graphics.MeasureString() method to determine the size of the string with the given font. You can then calculate the font size that will fit the container by comparing the measured size to the container size and adjusting the font size accordingly.

Here is some sample code to achieve this:


main.cs
private void ResizeFontToFitContainer(Graphics graphics, Font font, string text, Size containerSize)
{
    // Measure the size of the text using the given font
    SizeF textSize = graphics.MeasureString(text, font);

    // Calculate the font size that will fit the container by comparing the measured size to the container size
    float widthRatio = containerSize.Width / textSize.Width;
    float heightRatio = containerSize.Height / textSize.Height;
    float ratio = Math.Min(widthRatio, heightRatio);
    float fontSize = font.Size * ratio;

    // Create a new font with the adjusted font size and assign it to the control
    Font newFont = new Font(font.FontFamily, fontSize, font.Style);
    font.Dispose(); // dispose old font to free memory
    font = newFont;
}
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This method takes in a Graphics object, the original font, the text to be displayed, and the size of the container. It calculates the font size that will fit the container and creates a new font with that size. Finally, it disposes of the old font to free up memory. You can call this method whenever you need to resize a font to fit a container.

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