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Resize string to specific width


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I wrote the following code to resize a string until it fits within the specified width:

	public int drawStringClamped(String text, float x, float y, float width, int color)
	{
		int original = fontRenderer.FONT_HEIGHT;
		
		while (getStringWidth(text) > width && fontRenderer.FONT_HEIGHT > 0)
		{
			fontRenderer.FONT_HEIGHT--;
		}
		
		int out = drawString(text, x, y, color);
		
		fontRenderer.FONT_HEIGHT = original;
		
		return out;
	}

This however does not work as the `getStringWidth` function does not take into account the string height! Is there an alternative way to do this? Or potentially to get the string width while taking into account its height. Thanks.

 

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10 minutes ago, cookiedragon234 said:

This however does not work as the `getStringWidth` function does not take into account the string height!

Well... The method is called "getStringWidth".

 

You can get the string height with FontRenderer::FONT_HEIGHT.

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8 minutes ago, cookiedragon234 said:

@DavidM the width of a string will change based on its height, they are proportional

I misunderstood your question. Sorry.

 

Since each character's width is obtained through IGlyph without regards to the font height of the FontRenderer, there is no built-in way to do this. You can however get the proportion of the altered height to the original height and apply that to the original string width. Basically something like:

newWidth = MathHelper.ceil((double) originalWidth / originalHeight * newHeight);

 

Edited by DavidM

Some tips:

Spoiler

Modder Support:

Spoiler

1. Do not follow tutorials on YouTube, especially TechnoVision (previously called Loremaster) and HarryTalks, due to their promotion of bad practice and usage of outdated code.

2. Always post your code.

3. Never copy and paste code. You won't learn anything from doing that.

4. 

Quote

Programming via Eclipse's hotfixes will get you nowhere

5. Learn to use your IDE, especially the debugger.

6.

Quote

The "picture that's worth 1000 words" only works if there's an obvious problem or a freehand red circle around it.

Support & Bug Reports:

Spoiler

1. Read the EAQ before asking for help. Remember to provide the appropriate log(s).

2. Versions below 1.11 are no longer supported due to their age. Update to a modern version of Minecraft to receive support.

 

 

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Uh I dont completely get what that code is doing, but it didn't work anyway. I am experimenting with achieving this using GlScaled but running into some small problems. If anyone else has managed to do this with glscaled I would appreciate an example. I will post my code if I finish it and get it working.

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