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Automatically turn off screen fonts if required according to the current context's ctm.

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@17067 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Alexander Malmberg 2003-06-29 15:39:54 +00:00
parent c246aaf25c
commit c8ac5f25e4
2 changed files with 32 additions and 0 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
2003-06-29 17:37 Alexander Malmberg <alexander@malmberg.org>
* Source/NSStringDrawing.m (-drawAtPoint:, -drawAtRect:, -size):
Automatically turn off screen fonts in the layout manager if the
ctm for the current context isn't the identity matrix (possibly
flipped vertically).
2003-06-28 Richard Frith-Macdonald <rfm@gnu.org>
* Tools/make_services.m: Alter format of filter info.

25
Source/NSStringDrawing.m
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@ -29,7 +29,9 @@
59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <math.h>
#include "AppKit/NSAffineTransform.h"
#include "AppKit/NSLayoutManager.h"
#include "AppKit/NSTextContainer.h"
#include "AppKit/NSTextStorage.h"
@ -83,6 +85,7 @@ glyphs to be drawn upside-down, so we need to tell NSFont to flip the fonts.
{
NSRange r;
NSGraphicsContext *ctxt = GSCurrentContext();
NSAffineTransform *ctm = GSCurrentCTM(ctxt);
init_string_drawing();
@ -91,6 +94,16 @@ glyphs to be drawn upside-down, so we need to tell NSFont to flip the fonts.
[textContainer setContainerSize: NSMakeSize(1e8, 1e8)];
if (ctm->matrix.m11 != 1.0 || ctm->matrix.m12 != 0.0 ||
ctm->matrix.m21 != 0.0 || fabs(ctm->matrix.m22) != 1.0)
{
[layoutManager setUsesScreenFonts: NO];
}
else
{
[layoutManager setUsesScreenFonts: YES];
}
[textStorage replaceCharactersInRange: NSMakeRange(0, 0)
withAttributedString: self];
@ -132,6 +145,7 @@ glyphs to be drawn upside-down, so we need to tell NSFont to flip the fonts.
BOOL need_clip;
NSRect used;
NSGraphicsContext *ctxt = GSCurrentContext();
NSAffineTransform *ctm = GSCurrentCTM(ctxt);
init_string_drawing();
@ -145,6 +159,16 @@ glyphs to be drawn upside-down, so we need to tell NSFont to flip the fonts.
*/
[textContainer setContainerSize: NSMakeSize(rect.size.width, 1e8)];
if (ctm->matrix.m11 != 1.0 || ctm->matrix.m12 != 0.0 ||
ctm->matrix.m21 != 0.0 || fabs(ctm->matrix.m22) != 1.0)
{
[layoutManager setUsesScreenFonts: NO];
}
else
{
[layoutManager setUsesScreenFonts: YES];
}
[textStorage replaceCharactersInRange: NSMakeRange(0, 0)
withAttributedString: self];
@ -211,6 +235,7 @@ glyphs to be drawn upside-down, so we need to tell NSFont to flip the fonts.
withString: @""];
[textContainer setContainerSize: NSMakeSize(1e8, 1e8)];
[layoutManager setUsesScreenFonts: YES];
[textStorage replaceCharactersInRange: NSMakeRange(0, 0)
withAttributedString: self];