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-rw-r--r--src/linux/Node+Render.m197
1 files changed, 0 insertions, 197 deletions
diff --git a/src/linux/Node+Render.m b/src/linux/Node+Render.m
deleted file mode 100644
index f168924..0000000
--- a/src/linux/Node+Render.m
+++ /dev/null
@@ -1,197 +0,0 @@
-/*
- * Copyright 2011 Alex Merry <dev@randomguy3.me.uk>
- * Copyright 2010 Chris Heunen
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#import "Node+Render.h"
-#import "Shape.h"
-#import "Shape+Render.h"
-#import "ShapeNames.h"
-
-#define DEFAULT_STROKE_WIDTH 2.0f
-#define MAX_LABEL_LENGTH 10
-#define LABEL_PADDING_X 2
-#define LABEL_PADDING_Y 2
-
-@implementation Node (Render)
-
-- (Transformer*) shapeTransformerForSurface:(id<Surface>)surface {
- Transformer *transformer = [[[surface transformer] copy] autorelease];
- NSPoint screenPos = [[surface transformer] toScreen:point];
- [transformer setOrigin:screenPos];
- CGFloat scale = [[surface transformer] scale];
- if (style) {
- scale *= [style scale];
- }
- [transformer setScale:scale];
- return transformer;
-}
-
-- (Shape*) shape {
- if (style) {
- return [Shape shapeForName:[style shapeName]];
- } else {
- return [Shape shapeForName:SHAPE_CIRCLE];
- }
-}
-
-- (NSRect) boundsUsingShapeTransform:(Transformer*)shapeTrans {
- float strokeThickness = style ? [style strokeThickness] : DEFAULT_STROKE_WIDTH;
- NSRect screenBounds = [shapeTrans rectToScreen:[[self shape] boundingRect]];
- screenBounds = NSInsetRect(screenBounds, -strokeThickness, -strokeThickness);
- return screenBounds;
-}
-
-- (NSRect) boundsOnSurface:(id<Surface>)surface {
- return [self boundsUsingShapeTransform:[self shapeTransformerForSurface:surface]];
-}
-
-- (NSRect) boundsWithLabelOnSurface:(id<Surface>)surface {
- NSRect nodeBounds = [self boundsOnSurface:surface];
- NSRect labelRect = NSZeroRect;
- if (![label isEqual:@""]) {
- id<RenderContext> cr = [surface createRenderContext];
- labelRect.size = [self renderedLabelSizeInContext:cr];
- NSPoint nodePos = [[surface transformer] toScreen:point];
- labelRect.origin.x = nodePos.x - (labelRect.size.width / 2);
- labelRect.origin.y = nodePos.y - (labelRect.size.height / 2);
- }
- return NSUnionRect(nodeBounds, labelRect);
-}
-
-- (RColor) strokeColor {
- if (style) {
- return [[style strokeColorRGB] rColor];
- } else {
- return MakeRColor (0.4, 0.4, 0.7, 0.8);
- }
-}
-
-- (RColor) fillColor {
- if (style) {
- return [[style fillColorRGB] rColor];
- } else {
- return MakeRColor (0.4, 0.4, 0.7, 0.3);
- }
-}
-
-- (NSString*) renderedLabel {
- NSString *r_label = [label stringByExpandingLatexConstants];
- if ([r_label length] > MAX_LABEL_LENGTH) {
- r_label = [[[r_label substringToIndex:MAX_LABEL_LENGTH-1] stringByTrimmingSpaces] stringByAppendingString:@"..."];
- } else {
- r_label = [r_label stringByTrimmingSpaces];
- }
- return r_label;
-}
-
-- (NSSize) renderedLabelSizeInContext:(id<RenderContext>)context {
- NSSize result = {0, 0};
- if (![label isEqual:@""]) {
- NSString *r_label = [self renderedLabel];
-
- id<TextLayout> layout = [context layoutText:r_label withSize:9];
-
- result = [layout size];
- result.width += LABEL_PADDING_X;
- result.height += LABEL_PADDING_Y;
- }
- return result;
-}
-
-- (void) renderLabelToSurface:(id <Surface>)surface withContext:(id<RenderContext>)context {
- [self renderLabelAt:[[surface transformer] toScreen:point] withContext:context];
-}
-
-- (void) renderLabelAt:(NSPoint)p withContext:(id<RenderContext>)context {
- // draw latex code overlayed on node
- if (![label isEqual:@""]) {
- [context saveState];
-
- NSString *r_label = [self renderedLabel];
- id<TextLayout> layout = [context layoutText:r_label withSize:9];
-
- NSSize labelSize = [layout size];
-
- NSRect textBounds = NSMakeRect (p.x - labelSize.width/2,
- p.y - labelSize.height/2,
- labelSize.width,
- labelSize.height);
- NSRect backRect = NSInsetRect (textBounds, -LABEL_PADDING_X, -LABEL_PADDING_Y);
-
- [context startPath];
- [context setLineWidth:1.0];
- [context rect:backRect];
- RColor fColor = MakeRColor (1.0, 1.0, 0.5, 0.7);
- RColor sColor = MakeRColor (0.5, 0.0, 0.0, 0.7);
- [context strokePathWithColor:sColor andFillWithColor:fColor];
-
- [layout showTextAt:textBounds.origin withColor:BlackRColor];
-
- [context restoreState];
- }
-}
-
-- (void) renderToSurface:(id <Surface>)surface withContext:(id<RenderContext>)context state:(enum NodeState)state {
- Transformer *shapeTrans = [self shapeTransformerForSurface:surface];
- float strokeThickness = style ? [style strokeThickness] : DEFAULT_STROKE_WIDTH;
-
- [context saveState];
-
- [[self shape] drawPathWithTransform:shapeTrans andContext:context];
-
- [context setLineWidth:strokeThickness];
- if (!style) {
- [context setLineDash:3.0];
- }
- [context strokePathWithColor:[self strokeColor] andFillWithColor:[self fillColor]];
-
- if (state != NodeNormal) {
- [context setLineWidth:strokeThickness + 4.0];
- [context setLineDash:0.0];
- float alpha = 0.0f;
- if (state == NodeSelected)
- alpha = 0.5f;
- else if (state == NodeHighlighted)
- alpha = 0.25f;
- RColor selectionColor = MakeSolidRColor(0.61f, 0.735f, 1.0f);
-
- [[self shape] drawPathWithTransform:shapeTrans andContext:context];
- [context strokePathWithColor:selectionColor andFillWithColor:selectionColor usingAlpha:alpha];
- }
-
- [context restoreState];
- [self renderLabelToSurface:surface withContext:context];
-}
-
-- (BOOL) hitByPoint:(NSPoint)p onSurface:(id<Surface>)surface {
- Transformer *shapeTrans = [self shapeTransformerForSurface:surface];
-
- NSRect screenBounds = [self boundsUsingShapeTransform:shapeTrans];
- if (!NSPointInRect(p, screenBounds)) {
- return NO;
- }
-
- float strokeThickness = style ? [style strokeThickness] : DEFAULT_STROKE_WIDTH;
- id<RenderContext> ctx = [surface createRenderContext];
- [ctx setLineWidth:strokeThickness];
- [[self shape] drawPathWithTransform:shapeTrans andContext:ctx];
- return [ctx strokeIncludesPoint:p] || [ctx fillIncludesPoint:p];
-}
-
-@end
-
-// vim:ft=objc:ts=8:et:sts=4:sw=4
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