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Bug 213999

Summary:	org.netbeans.editor.EditorUI.getLineheigth returns line heigth +1
Product:	editor	Reporter:	gwaldon <gwaldon>
Component:	Painting & Printing	Assignee:	Miloslav Metelka <mmetelka>
Status:	RESOLVED DUPLICATE
Severity:	normal
Priority:	P3
Version:	7.1.2
Hardware:	PC
OS:	Windows 7
Issue Type:	DEFECT	Exception Reporter:

Description gwaldon 2012-06-11 16:43:25 UTC

I draw my own GlyphGlutter and noticed since 7.1.2 each line of text is drawn 1 pixel further down than what it should be, created a increasing gap with text in the editor as we go down the component. 

Looking at the code, iteration for each line use EditorUI.getLineheigth; removing 1 pixel (EditorUI.getLineheigth()-1) solves the issue.

Finally using textUI.getYFromPos(view.getStartOffset()) as in 7.0.1 GlyphGutter code give also correct spacing.

This bug is reminiscent of issue 182810 but the value of 1 is independent of font size.

Comment 1 Miloslav Metelka 2012-06-14 08:02:18 UTC

The best way is to use the view hierarchy's methods (it properly handles possible line wrapping etc.) please see lines below GlyphGutter:525.
Unfortunately I did not succeed to finish a View API for NB 7.2 - issue #205707 so please use an implementation module dependency if possible.
I mark as dup of issue #205707 since it will be the only proper way for the future.

*** This bug has been marked as a duplicate of bug 205707 ***