1/* 2 PPMiniColorWell.m 3 4 Copyright 2013-2018 Josh Freeman 5 http://www.twilightedge.com 6 7 This file is part of PikoPixel for Mac OS X and GNUstep. 8 PikoPixel is a graphical application for drawing & editing pixel-art images. 9 10 PikoPixel is free software: you can redistribute it and/or modify it under 11 the terms of the GNU Affero General Public License as published by the 12 Free Software Foundation, either version 3 of the License, or (at your 13 option) any later version approved for PikoPixel by its copyright holder (or 14 an authorized proxy). 15 16 PikoPixel is distributed in the hope that it will be useful, but WITHOUT ANY 17 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 18 FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more 19 details. 20 21 You should have received a copy of the GNU Affero General Public License 22 along with this program. If not, see <http://www.gnu.org/licenses/>. 23*/ 24 25#import "PPMiniColorWell.h" 26 27#import "PPGeometry.h" 28 29 30@interface PPMiniColorWell (PrivateMethods) 31 32- (void) drawTransparencyBackgroundInBounds: (NSRect) bounds; 33 34@end 35 36@implementation PPMiniColorWell 37 38- (void) dealloc 39{ 40 [_fillColor release]; 41 [_outlineColor release]; 42 43 [super dealloc]; 44} 45 46- (void) setColor: (NSColor *) color 47{ 48 if (_fillColor == color) 49 { 50 return; 51 } 52 53 [_fillColor release]; 54 _fillColor = [color retain]; 55 56 _fillColorIsOpaque = ([color alphaComponent] >= 1.0f) ? YES : NO; 57 58 [self setNeedsDisplay: YES]; 59} 60 61- (void) setOutlineColor: (NSColor *) color 62{ 63 if (_outlineColor == color) 64 { 65 return; 66 } 67 68 [_outlineColor release]; 69 _outlineColor = [color retain]; 70 71 [self setNeedsDisplay: YES]; 72} 73 74#pragma mark NSView overrides 75 76- (void) drawRect: (NSRect) rect 77{ 78 NSRect viewDrawBounds = PPGeometry_PixelCenteredRect([self bounds]); 79 80 if (_fillColor) 81 { 82 if (!_fillColorIsOpaque) 83 { 84 [self drawTransparencyBackgroundInBounds: viewDrawBounds]; 85 } 86 87 [_fillColor set]; 88 [NSBezierPath fillRect: viewDrawBounds]; 89 } 90 91 if (_outlineColor) 92 { 93 [_outlineColor set]; 94 [NSBezierPath strokeRect: viewDrawBounds]; 95 96 if (!_fillColor) 97 { 98 NSBezierPath *xPath = [NSBezierPath bezierPath]; 99 100 [xPath moveToPoint: viewDrawBounds.origin]; 101 [xPath lineToPoint: NSMakePoint(viewDrawBounds.origin.x + viewDrawBounds.size.width, 102 viewDrawBounds.origin.y + viewDrawBounds.size.height)]; 103 104 [xPath moveToPoint: NSMakePoint(viewDrawBounds.origin.x, 105 viewDrawBounds.origin.y + viewDrawBounds.size.height)]; 106 [xPath lineToPoint: NSMakePoint(viewDrawBounds.origin.x + viewDrawBounds.size.width, 107 viewDrawBounds.origin.y)]; 108 109 [xPath stroke]; 110 } 111 } 112} 113 114#pragma mark Private methods 115 116- (void) drawTransparencyBackgroundInBounds: (NSRect) bounds 117{ 118 NSBezierPath *trianglePath = [NSBezierPath bezierPath]; 119 120 [trianglePath moveToPoint: bounds.origin]; 121 [trianglePath lineToPoint: NSMakePoint(bounds.origin.x + bounds.size.width, 122 bounds.origin.y + bounds.size.height)]; 123 [trianglePath lineToPoint: NSMakePoint(bounds.origin.x + bounds.size.width, 124 bounds.origin.y)]; 125 [trianglePath closePath]; 126 127 [[NSColor blackColor] set]; 128 NSRectFill(bounds); 129 130 [[NSColor whiteColor] set]; 131 [trianglePath fill]; 132} 133 134@end 135