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-rw-r--r--src/common/Grid.m179
1 files changed, 0 insertions, 179 deletions
diff --git a/src/common/Grid.m b/src/common/Grid.m
deleted file mode 100644
index 4fb2ef8..0000000
--- a/src/common/Grid.m
+++ /dev/null
@@ -1,179 +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 "Grid.h"
-#import "util.h"
-
-@implementation Grid
-
-+ (Grid*) gridWithSpacing:(float)sp subdivisions:(int)subs transformer:(Transformer*)t {
- return [[[self alloc] initWithSpacing:sp subdivisions:subs transformer:t] autorelease];
-}
-
-- (id) initWithSpacing:(float)sp subdivisions:(int)subs transformer:(Transformer*)t {
- self = [super init];
-
- if (self) {
- transformer = [t retain];
- spacing = sp;
- cellSubdivisions = subs;
- }
-
- return self;
-}
-
-- (int) cellSubdivisions {
- return cellSubdivisions;
-}
-
-- (void) setCellSubdivisions:(int)count {
- cellSubdivisions = count;
-}
-
-- (float) cellSpacing {
- return spacing;
-}
-
-- (void) setCellSpacing:(float)sp {
- spacing = sp;
-}
-
-- (NSPoint) snapScreenPoint:(NSPoint)point {
- NSPoint gridPoint = [transformer fromScreen:point];
- return [transformer toScreen:[self snapPoint:gridPoint]];
-}
-
-- (NSPoint) snapPoint:(NSPoint)p {
- const float snapDistance = spacing/(float)cellSubdivisions;
- p.x = roundToNearest (snapDistance, p.x);
- p.y = roundToNearest (snapDistance, p.y);
- return p;
-}
-
-- (void) _setupLinesForContext:(id<RenderContext>)context withSpacing:(float)offset omittingEvery:(int)omitEvery origin:(NSPoint)origin {
- NSRect clip = [context clipBoundingBox];
- float clipx1 = clip.origin.x;
- float clipx2 = clipx1 + clip.size.width;
- float clipy1 = clip.origin.y;
- float clipy2 = clipy1 + clip.size.height;
-
- // left of the Y axis, moving outwards
- unsigned int count = 1;
- float x = origin.x - offset;
- while (x >= clipx1) {
- if (omitEvery == 0 || (count % omitEvery != 0)) {
- [context moveTo:NSMakePoint(x, clipy1)];
- [context lineTo:NSMakePoint(x, clipy2)];
- }
-
- x -= offset;
- ++count;
- }
- // right of the Y axis, moving outwards
- count = 1;
- x = origin.x + offset;
- while (x <= clipx2) {
- if (omitEvery == 0 || (count % omitEvery != 0)) {
- [context moveTo:NSMakePoint(x, clipy1)];
- [context lineTo:NSMakePoint(x, clipy2)];
- }
-
- x += offset;
- ++count;
- }
-
- // above the Y axis, moving outwards
- count = 1;
- float y = origin.y - offset;
- while (y >= clipy1) {
- if (omitEvery == 0 || (count % omitEvery != 0)) {
- [context moveTo:NSMakePoint(clipx1, y)];
- [context lineTo:NSMakePoint(clipx2, y)];
- }
-
- y -= offset;
- ++count;
- }
- // below the Y axis, moving outwards
- count = 1;
- y = origin.y + offset;
- while (y <= clipy2) {
- if (omitEvery == 0 || (count % omitEvery != 0)) {
- [context moveTo:NSMakePoint(clipx1, y)];
- [context lineTo:NSMakePoint(clipx2, y)];
- }
-
- y += offset;
- ++count;
- }
-}
-
-- (void) _renderSubdivisionsWithContext:(id<RenderContext>)context origin:(NSPoint)origin cellSize:(float)cellSize {
- const float offset = cellSize / cellSubdivisions;
-
- [self _setupLinesForContext:context withSpacing:offset omittingEvery:cellSubdivisions origin:origin];
-
- [context strokePathWithColor:MakeSolidRColor (0.9, 0.9, 1.0)];
-}
-
-- (void) _renderCellsWithContext:(id<RenderContext>)context origin:(NSPoint)origin cellSize:(float)cellSize {
- [self _setupLinesForContext:context withSpacing:cellSize omittingEvery:0 origin:origin];
-
- [context strokePathWithColor:MakeSolidRColor (0.8, 0.8, 0.9)];
-}
-
-- (void) _renderAxesWithContext:(id<RenderContext>)context origin:(NSPoint)origin {
- NSRect clip = [context clipBoundingBox];
-
- [context moveTo:NSMakePoint(origin.x, clip.origin.y)];
- [context lineTo:NSMakePoint(origin.x, clip.origin.y + clip.size.height)];
- [context moveTo:NSMakePoint(clip.origin.x, origin.y)];
- [context lineTo:NSMakePoint(clip.origin.x + clip.size.width, origin.y)];
-
- [context strokePathWithColor:MakeSolidRColor (0.6, 0.6, 0.7)];
-}
-
-- (void) renderGridInContext:(id<RenderContext>)cr {
- [self renderGridInContext:cr transformer:transformer];
-}
-
-- (void) renderGridInContext:(id<RenderContext>)context transformer:(Transformer*)t {
- const NSPoint origin = [t toScreen:NSZeroPoint];
- const float cellSize = [t scaleToScreen:spacing];
-
- [context saveState];
-
- // common line settings
- [context setLineWidth:1.0];
- [context setAntialiasMode:AntialiasDisabled];
-
- [self _renderSubdivisionsWithContext:context origin:origin cellSize:cellSize];
- [self _renderCellsWithContext:context origin:origin cellSize:cellSize];
- [self _renderAxesWithContext:context origin:origin];
-
- [context restoreState];
-}
-
-- (void) dealloc {
- [transformer release];
- [super dealloc];
-}
-
-@end
-
-// vi:ft=objc:ts=4:noet:sts=4:sw=4