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-rw-r--r--tikzit/src/gtk/Edge+Render.m267
1 files changed, 0 insertions, 267 deletions
diff --git a/tikzit/src/gtk/Edge+Render.m b/tikzit/src/gtk/Edge+Render.m
deleted file mode 100644
index 3cc2a14..0000000
--- a/tikzit/src/gtk/Edge+Render.m
+++ /dev/null
@@ -1,267 +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 "Edge+Render.h"
-#import "Node+Render.h"
-#import "../common/util.h"
-
-static const float edgeWidth = 2.0;
-static const float cpRadius = 3.0;
-static const float cpLineWidth = 1.0;
-
-@implementation Edge (Render)
-
-+ (float) controlPointRadius {
- return cpRadius;
-}
-
-- (float) controlDistance {
- const float dx = (targ.x - src.x);
- const float dy = (targ.y - src.y);
- if (dx == 0 && dy == 0) {
- return weight;
- } else {
- return NSDistanceBetweenPoints(src, targ) * weight;
- }
-}
-
-- (void) renderControlsInContext:(id<RenderContext>)context withTransformer:(Transformer*)transformer {
- [context saveState];
-
- [self updateControls];
-
- NSPoint c_source = [transformer toScreen:src];
- NSPoint c_target = [transformer toScreen:targ];
- NSPoint c_mid = [transformer toScreen:mid];
-
- const float dx = (c_target.x - c_source.x);
- const float dy = (c_target.y - c_source.y);
-
- [context setLineWidth:cpLineWidth];
- RColor fillColor = MakeRColor (1.0, 1.0, 1.0, 0.5);
-
- // draw a circle at the mid point
- [context startPath];
- [context circleAt:c_mid withRadius:cpRadius];
- [context strokePathWithColor:MakeSolidRColor(0, 0, 1) andFillWithColor:fillColor];
-
- //[context setAntialiasMode:AntialiasDisabled];
-
- // size of control circles
- float c_dist = 0.0f;
- if (dx == 0 && dy == 0) {
- c_dist = [transformer scaleToScreen:weight];
- } else {
- c_dist = NSDistanceBetweenPoints(c_source, c_target) * weight;
- }
-
- // basic bend is blue, in-out is green
- RColor controlTrackColor;
- if ([self bendMode] == EdgeBendModeBasic) {
- controlTrackColor = MakeRColor (0.0, 0.0, 1.0, 0.4);
- } else {
- controlTrackColor = MakeRColor (0.0, 0.7, 0.0, 0.4);
- }
-
- [context startPath];
- [context circleAt:c_source withRadius:c_dist];
- if (dx != 0 || dy != 0) {
- [context circleAt:c_target withRadius:c_dist];
- }
- [context strokePathWithColor:controlTrackColor];
-
- RColor handleColor = MakeRColor (1.0, 0.0, 1.0, 0.6);
- if ([self bendMode] == EdgeBendModeBasic) {
- if (bend % 45 != 0) {
- handleColor = MakeRColor (0.0, 0.0, 0.1, 0.4);
- }
- } else if ([self bendMode] == EdgeBendModeInOut) {
- if (outAngle % 45 != 0) {
- handleColor = MakeRColor (0.0, 0.7, 0.0, 0.4);
- }
- }
-
- NSPoint c_cp1 = [transformer toScreen:cp1];
- [context moveTo:c_source];
- [context lineTo:c_cp1];
- [context circleAt:c_cp1 withRadius:cpRadius];
- [context strokePathWithColor:handleColor];
-
- if ([self bendMode] == EdgeBendModeInOut) {
- // recalculate color based on inAngle
- if (inAngle % 45 == 0) {
- handleColor = MakeRColor (1.0, 0.0, 1.0, 0.6);
- } else {
- handleColor = MakeRColor (0.0, 0.7, 0.0, 0.4);
- }
- }
-
- NSPoint c_cp2 = [transformer toScreen:cp2];
- [context moveTo:c_target];
- [context lineTo:c_cp2];
- [context circleAt:c_cp2 withRadius:cpRadius];
- [context strokePathWithColor:handleColor];
-
- [context restoreState];
-}
-
-- (void) renderArrowStrokePathInContext:(id<RenderContext>)context withTransformer:(Transformer*)transformer color:(RColor)color {
-
- if ([self style] != nil) {
- switch ([[self style] headStyle]) {
- case AH_None:
- break;
- case AH_Plain:
- [context startPath];
- [context moveTo:[transformer toScreen:[self leftHeadNormal]]];
- [context lineTo:[transformer toScreen:head]];
- [context lineTo:[transformer toScreen:[self rightHeadNormal]]];
- [context strokePathWithColor:color];
- break;
- case AH_Latex:
- [context startPath];
- [context moveTo:[transformer toScreen:[self leftHeadNormal]]];
- [context lineTo:[transformer toScreen:head]];
- [context lineTo:[transformer toScreen:[self rightHeadNormal]]];
- [context closeSubPath];
- [context strokePathWithColor:color andFillWithColor:color];
- break;
- }
- switch ([[self style] tailStyle]) {
- case AH_None:
- break;
- case AH_Plain:
- [context startPath];
- [context moveTo:[transformer toScreen:[self leftTailNormal]]];
- [context lineTo:[transformer toScreen:tail]];
- [context lineTo:[transformer toScreen:[self rightTailNormal]]];
- [context strokePathWithColor:color];
- break;
- case AH_Latex:
- [context startPath];
- [context moveTo:[transformer toScreen:[self leftTailNormal]]];
- [context lineTo:[transformer toScreen:tail]];
- [context lineTo:[transformer toScreen:[self rightTailNormal]]];
- [context closeSubPath];
- [context strokePathWithColor:color andFillWithColor:color];
- break;
- }
- }
-}
-
-- (void) createStrokePathInContext:(id<RenderContext>)context withTransformer:(Transformer*)transformer {
- NSPoint c_tail = [transformer toScreen:tail];
- NSPoint c_cp1 = [transformer toScreen:cp1];
- NSPoint c_cp2 = [transformer toScreen:cp2];
- NSPoint c_head = [transformer toScreen:head];
-
- [context startPath];
- [context moveTo:c_tail];
- [context curveTo:c_head withCp1:c_cp1 andCp2:c_cp2];
-
- if ([self style] != nil) {
- // draw edge decoration
- switch ([[self style] decorationStyle]) {
- case ED_None:
- break;
- case ED_Tick:
- [context moveTo:[transformer toScreen:[self leftNormal]]];
- [context lineTo:[transformer toScreen:[self rightNormal]]];
- break;
- case ED_Arrow:
- [context moveTo:[transformer toScreen:[self leftNormal]]];
- [context lineTo:[transformer toScreen:[self midTan]]];
- [context lineTo:[transformer toScreen:[self rightNormal]]];
- break;
- }
-
- }
-}
-
-- (RColor) color {
- if (style) {
- return [[style colorRGB] rColor];
- } else {
- return BlackRColor;
- }
-}
-
-- (void) renderBasicEdgeInContext:(id<RenderContext>)context withTransformer:(Transformer*)t selected:(BOOL)selected {
- [self updateControls];
- [context saveState];
-
- const CGFloat lineWidth = style ? [style thickness] : edgeWidth;
- [context setLineWidth:lineWidth];
- RColor color = [self color];
- if (selected) {
- color.alpha = 0.5;
- }
-
- [self createStrokePathInContext:context withTransformer:t];
- [context strokePathWithColor:color];
-
- [self renderArrowStrokePathInContext:context withTransformer:t color:color];
-
- [context restoreState];
-}
-
-- (void) renderToSurface:(id <Surface>)surface withContext:(id<RenderContext>)context selected:(BOOL)selected {
- [self renderBasicEdgeInContext:context withTransformer:[surface transformer] selected:selected];
-
- if (selected) {
- [self renderControlsInContext:context withTransformer:[surface transformer]];
- }
-
- if ([self hasEdgeNode]) {
- NSPoint labelPt = [[surface transformer] toScreen:[self mid]];
- [[self edgeNode] renderLabelAt:labelPt
- withContext:context];
- }
-}
-
-- (NSRect) renderedBoundsWithTransformer:(Transformer*)t whenSelected:(BOOL)selected {
- if (selected) {
- float c_dist = [self controlDistance] + cpRadius; // include handle
- NSRect cp1circ = NSMakeRect (head.x - c_dist, head.y - c_dist, 2*c_dist, 2*c_dist);
- NSRect cp2circ = NSMakeRect (tail.x - c_dist, tail.y - c_dist, 2*c_dist, 2*c_dist);
- NSRect rect = NSUnionRect ([self boundingRect], NSUnionRect (cp1circ, cp2circ));
- return [t rectToScreen:rect];
- } else {
- return [t rectToScreen:[self boundingRect]];
- }
-}
-
-- (BOOL) hitByPoint:(NSPoint)p onSurface:(id<Surface>)surface withFuzz:(float)fuzz {
- [self updateControls];
-
- NSRect boundingRect = [[surface transformer] rectToScreen:[self boundingRect]];
- if (!NSPointInRect(p, NSInsetRect(boundingRect, -fuzz, -fuzz))) {
- return NO;
- }
-
- id<RenderContext> cr = [surface createRenderContext];
-
- [cr setLineWidth:edgeWidth + 2 * fuzz];
- [self createStrokePathInContext:cr withTransformer:[surface transformer]];
-
- return [cr strokeIncludesPoint:p];
-}
-
-@end
-
-// vim:ft=objc:ts=4:et:sts=4:sw=4
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