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ULIPaintTextTool.m
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ULIPaintTextTool.m
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//
// UKPaintTextTool.m
// UKPaintView
//
// Created by Uli Kusterer on Sat Nov 01 2003.
// Copyright (c) 2003 M. Uli Kusterer. All rights reserved.
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would be
// appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not be
// misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
#import "ULIPaintTextTool.h"
#import "ULIPaintView.h"
@implementation ULIPaintTextTool
/* Draw a shape during tracking:
The drawings you do in here will be undone before you're called again.
This is also called when tracking has finished by drawFinalToolShapeFrom:to: by default. */
-(void) drawTemporaryTrackingToolShapeFrom: (NSPoint*)prevPos to: (NSPoint)currPos
{
NSRect box = [self rectFrom: [owner initialPos] to: currPos];
NSRect oldBox = [self rectWithLineSizeFrom: [owner initialPos] to: *prevPos];
[self toolFinished]; // Remove and "burn in" any previous text boxes.
// Draw an outline so user will know what size text box they'll get:
[[NSColor blackColor] set];
[NSBezierPath setDefaultLineWidth: 1.0];
[NSBezierPath strokeRect: box];
box = [self rectWithLineSizeFrom: [owner initialPos] to: currPos];
[owner setNeedsDisplayInRect: oldBox];
[owner setNeedsDisplayInRect: box];
*prevPos = currPos;
}
-(void) drawFinalToolShapeFrom: (NSPoint*)prevPos to: (NSPoint)currPos
{
NSRect box = [self rectFrom: [owner initialPos] to: currPos];
NSRect oldBox = [self rectWithLineSizeFrom: [owner initialPos] to: *prevPos];
[owner setNeedsDisplayInRect: oldBox];
// Create a text editing view:
textbox = [[NSTextView alloc] initWithFrame:box];
[textbox setDrawsBackground: NO];
[textbox setTextColor: [owner lineColor]];
[owner addSubview: textbox];
[[textbox window] makeFirstResponder: textbox];
}
-(void) toolFinished
{
if( !textbox )
return;
// Make sure we don't get any selections or insertion marks in our drawing:
[textbox setSelectable: NO];
[textbox setEditable: NO];
[textbox setSelectedRange: NSMakeRange(0,0)];
[textbox display];
// Paint text view's text into our image:
#if 0
NSImage* finalImage;
NSAffineTransform* at;
finalImage = [owner image];
[finalImage lockFocus];
at = [NSAffineTransform transform];
[at translateXBy: [textbox frame].origin.x
yBy: [textbox frame].origin.y];
[at set];
[textbox drawRect: [textbox bounds]];
[finalImage unlockFocus];
#else
NSImage * finalImage = nil;
NSBitmapImageRep * textImgRep = nil;
NSPoint drawPos = [textbox frame].origin;
drawPos.x -= 0.5;
drawPos.y += 0.5;
[textbox lockFocus];
textImgRep = [[[NSBitmapImageRep alloc] initWithFocusedViewRect: [textbox bounds]] autorelease];
[textbox unlockFocus];
finalImage = [owner image];
[finalImage lockFocus];
[textImgRep drawAtPoint: drawPos];
[finalImage unlockFocus];
#endif
// Remove text box:
[textbox removeFromSuperview];
[textbox release];
textbox = nil;
}
-(void) paintToolWillUnload: (id)sender
{
[self toolFinished];
}
-(void) paintToolDidLoad: (id)sender
{
}
-(NSString*) toolIconName
{
return @"UKPaintTextTool";
}
-(NSCursor*) drawingCursor
{
return [NSCursor IBeamCursor];
}
@end