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Inside Macintosh: Text /

Chapter 3 - QuickDraw Text / QuickDraw Text Reference

Routines

Drawing Text

QuickDraw provides routines that allow you to draw a single character, a Pascal string, or an arbitrary sequence of text. You can also draw a text sequence made narrower or wider using these routines; this technique is commonly used to justify a line of text. These routines draw text in the font, style, and size of the current graphics port. Consequently, you can draw only a single style run at a time using these routines.

• The DrawChar procedure draws the glyph of a single 1-byte character.
• The DrawString procedure draws the text of a Pascal string.
• The DrawText procedure draws the glyphs of a sequence of characters.
• The DrawJustified procedure draws a sequence of text that is widened or narrowed by a specified number of pixels.

Whether the text to be drawn has a left-to-right direction, a right-to-left direction, or is bidirectional, QuickDraw always draws text starting at the current pen location and always advances the pen to the right by the width of the glyph or glyphs it has just drawn. Before drawing text that has a right-to-left direction, QuickDraw reorders
the glyphs for display so that they can be read correctly, even though it draws them from left to right.

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Subtopics

DrawChar

DrawString

DrawText

DrawJustified