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SVGRenderView.m
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/*--------------------------------------------------
* Copyright (c) 2010 Joacim Magnusson
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*--------------------------------------------------*/
#import "SVGRenderView.h"
@implementation SVGRenderView
CGImageRef svgDrawing=NULL;
BOOL hasRendered;
SVGQuartzRenderer *svgRenderer;
CGContextRef viewContext;
NSString *svgFile;
- (id)initWithFrame:(NSRect)frame {
self = [super initWithFrame:frame];
if (self) {
svgRenderer = [[SVGQuartzRenderer alloc] init];
[svgRenderer setDelegate:self];
[svgRenderer setScale:1.0];
}
return self;
}
- (IBAction)openFile:(id)sender
{
NSOpenPanel *chooseDirPanel = [NSOpenPanel openPanel];
[chooseDirPanel setTitle:@"Open SVG file"];
[chooseDirPanel setPrompt:@"Open"];
[chooseDirPanel setAllowedFileTypes:[NSArray arrayWithObject:@"SVG"]];
[chooseDirPanel setCanChooseDirectories:NO];
[chooseDirPanel setCanCreateDirectories:YES];
int selected = [chooseDirPanel runModal];
if(selected == NSOKButton) {
if(svgFile)
[svgFile release];
svgFile = [chooseDirPanel filename];
[svgRenderer drawSVGFile:svgFile];
} else if(selected == NSCancelButton) {
// Cancel
return;
} else {
return;
}
}
- (void)awakeFromNib
{
}
- (void)drawRect:(NSRect)dirtyRect {
viewContext = (CGContextRef)[[NSGraphicsContext currentContext] graphicsPort];
CGContextDrawImage(viewContext, CGRectMake([self frame].origin.x,
[self frame].origin.y,
[self frame].size.width,
[self frame].size.height), svgDrawing);
}
- (CGContextRef)svgRenderer:(id)renderer
requestedCGContextWithSize:(CGSize)size
{
[self setFrame:NSMakeRect(0, 0, size.width, size.height)];
CGContextRef ctx = [renderer createBitmapContext];
return ctx;
}
- (void)svgRenderer:(id)renderer
didFinnishRenderingFile:(NSString *)file
inCGContext:(CGContextRef)context
{
CGImageRelease(svgDrawing);
svgDrawing = CGBitmapContextCreateImage(context);
}
- (IBAction)setScale:(id)sender
{
if(sender == scaleTF)
[scaleSlider setFloatValue:[sender floatValue]];
else
[scaleTF setFloatValue:[sender floatValue]];
[svgRenderer setScale:[sender floatValue]];
[svgRenderer drawSVGFile:svgFile];
}
- (BOOL)isFlipped {return YES;}
-(void)dealloc
{
CGImageRelease(svgDrawing);
[svgRenderer release];
[super dealloc];
}
@end