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comparison mac/dw.m @ 747:a4f99795ff26

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Abort drawing functions if we fail to lock focus on a render control.
author bsmith@81767d24-ef19-dc11-ae90-00e081727c95
date Wed, 16 Mar 2011 15:10:16 +0000
parents d29fb0d5b291
children f39745844175
comparison
equal deleted inserted replaced
746:0a364e76a7aa 747:a4f99795ff26
388 { 388 {
389 [bltdest lockFocus]; 389 [bltdest lockFocus];
390 } 390 }
391 else 391 else
392 { 392 {
393 [bltdest lockFocusIfCanDraw]; 393 if([bltdest lockFocusIfCanDraw] == NO)
394 {
395 return;
396 }
394 _DWLastDrawable = bltinfo->dest; 397 _DWLastDrawable = bltinfo->dest;
395 } 398 }
396 if([bltsrc isMemberOfClass:[NSImage class]]) 399 if([bltsrc isMemberOfClass:[NSImage class]])
397 { 400 {
398 NSImage *image = bltsrc; 401 NSImage *image = bltsrc;
3751 image = (id)pixmap->image; 3754 image = (id)pixmap->image;
3752 [image lockFocus]; 3755 [image lockFocus];
3753 } 3756 }
3754 else 3757 else
3755 { 3758 {
3756 [image lockFocusIfCanDraw]; 3759 if([image lockFocusIfCanDraw] == NO)
3760 {
3761 DW_MUTEX_UNLOCK;
3762 return;
3763 }
3757 _DWLastDrawable = handle; 3764 _DWLastDrawable = handle;
3758 } 3765 }
3759 NSBezierPath* aPath = [NSBezierPath bezierPath]; 3766 NSBezierPath* aPath = [NSBezierPath bezierPath];
3760 [aPath setLineWidth: 0.5]; 3767 [aPath setLineWidth: 0.5];
3761 NSColor *color = [NSColor colorWithDeviceRed: DW_RED_VALUE(_foreground)/255.0 green: DW_GREEN_VALUE(_foreground)/255.0 blue: DW_BLUE_VALUE(_foreground)/255.0 alpha: 1]; 3768 NSColor *color = [NSColor colorWithDeviceRed: DW_RED_VALUE(_foreground)/255.0 green: DW_GREEN_VALUE(_foreground)/255.0 blue: DW_BLUE_VALUE(_foreground)/255.0 alpha: 1];
3786 image = (id)pixmap->image; 3793 image = (id)pixmap->image;
3787 [image lockFocus]; 3794 [image lockFocus];
3788 } 3795 }
3789 else 3796 else
3790 { 3797 {
3791 [image lockFocusIfCanDraw]; 3798 if([image lockFocusIfCanDraw] == NO)
3799 {
3800 DW_MUTEX_UNLOCK;
3801 return;
3802 }
3792 _DWLastDrawable = handle; 3803 _DWLastDrawable = handle;
3793 } 3804 }
3794 NSBezierPath* aPath = [NSBezierPath bezierPath]; 3805 NSBezierPath* aPath = [NSBezierPath bezierPath];
3795 [aPath setLineWidth: 0.5]; 3806 [aPath setLineWidth: 0.5];
3796 NSColor *color = [NSColor colorWithDeviceRed: DW_RED_VALUE(_foreground)/255.0 green: DW_GREEN_VALUE(_foreground)/255.0 blue: DW_BLUE_VALUE(_foreground)/255.0 alpha: 1]; 3807 NSColor *color = [NSColor colorWithDeviceRed: DW_RED_VALUE(_foreground)/255.0 green: DW_GREEN_VALUE(_foreground)/255.0 blue: DW_BLUE_VALUE(_foreground)/255.0 alpha: 1];
3822 { 3833 {
3823 if([image isMemberOfClass:[DWRender class]]) 3834 if([image isMemberOfClass:[DWRender class]])
3824 { 3835 {
3825 DWRender *render = handle; 3836 DWRender *render = handle;
3826 NSFont *font = [render font]; 3837 NSFont *font = [render font];
3827 [image lockFocusIfCanDraw]; 3838 if([image lockFocusIfCanDraw] == NO)
3839 {
3840 DW_MUTEX_UNLOCK;
3841 return;
3842 }
3828 NSColor *color = [NSColor colorWithDeviceRed: DW_RED_VALUE(_foreground)/255.0 green: DW_GREEN_VALUE(_foreground)/255.0 blue: DW_BLUE_VALUE(_foreground)/255.0 alpha: 1]; 3843 NSColor *color = [NSColor colorWithDeviceRed: DW_RED_VALUE(_foreground)/255.0 green: DW_GREEN_VALUE(_foreground)/255.0 blue: DW_BLUE_VALUE(_foreground)/255.0 alpha: 1];
3829 NSMutableDictionary *dict = [[NSMutableDictionary alloc] initWithObjectsAndKeys:color, NSForegroundColorAttributeName, nil]; 3844 NSMutableDictionary *dict = [[NSMutableDictionary alloc] initWithObjectsAndKeys:color, NSForegroundColorAttributeName, nil];
3830 if(font) 3845 if(font)
3831 { 3846 {
3832 [dict setValue:font forKey:NSFontAttributeName]; 3847 [dict setValue:font forKey:NSFontAttributeName];
3919 image = (id)pixmap->image; 3934 image = (id)pixmap->image;
3920 [image lockFocus]; 3935 [image lockFocus];
3921 } 3936 }
3922 else 3937 else
3923 { 3938 {
3924 [image lockFocusIfCanDraw]; 3939 if([image lockFocusIfCanDraw] == NO)
3940 {
3941 DW_MUTEX_UNLOCK;
3942 return;
3943 }
3925 _DWLastDrawable = handle; 3944 _DWLastDrawable = handle;
3926 } 3945 }
3927 NSBezierPath* aPath = [NSBezierPath bezierPath]; 3946 NSBezierPath* aPath = [NSBezierPath bezierPath];
3928 [aPath setLineWidth: 0.5]; 3947 [aPath setLineWidth: 0.5];
3929 NSColor *color = [NSColor colorWithDeviceRed: DW_RED_VALUE(_foreground)/255.0 green: DW_GREEN_VALUE(_foreground)/255.0 blue: DW_BLUE_VALUE(_foreground)/255.0 alpha: 1]; 3948 NSColor *color = [NSColor colorWithDeviceRed: DW_RED_VALUE(_foreground)/255.0 green: DW_GREEN_VALUE(_foreground)/255.0 blue: DW_BLUE_VALUE(_foreground)/255.0 alpha: 1];
3964 image = (id)pixmap->image; 3983 image = (id)pixmap->image;
3965 [image lockFocus]; 3984 [image lockFocus];
3966 } 3985 }
3967 else 3986 else
3968 { 3987 {
3969 [image lockFocusIfCanDraw]; 3988 if([image lockFocusIfCanDraw] == NO)
3989 {
3990 DW_MUTEX_UNLOCK;
3991 return;
3992 }
3970 _DWLastDrawable = handle; 3993 _DWLastDrawable = handle;
3971 } 3994 }
3972 NSBezierPath* aPath = [NSBezierPath bezierPath]; 3995 NSBezierPath* aPath = [NSBezierPath bezierPath];
3973 [aPath setLineWidth: 0.5]; 3996 [aPath setLineWidth: 0.5];
3974 NSColor *color = [NSColor colorWithDeviceRed: DW_RED_VALUE(_foreground)/255.0 green: DW_GREEN_VALUE(_foreground)/255.0 blue: DW_BLUE_VALUE(_foreground)/255.0 alpha: 1]; 3997 NSColor *color = [NSColor colorWithDeviceRed: DW_RED_VALUE(_foreground)/255.0 green: DW_GREEN_VALUE(_foreground)/255.0 blue: DW_BLUE_VALUE(_foreground)/255.0 alpha: 1];