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@@ -1,433 +0,0 @@
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-//
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-// KMDrawView.m
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-// PDF Reader
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-//
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-// Created by lxy on 2023/1/10.
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-//
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-
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-#import "KMDrawView.h"
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-
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-static NSInteger _index;
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-static CGPoint _points[5];
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-
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-@interface KMDrawView ()
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-
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-@property (nonatomic,assign) BOOL cursorIsHidden;
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-@property (nonatomic,assign) BOOL mouseIsInView;
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-
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-@property (nonatomic,retain) NSTouch *activeTouch;
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-
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-@property (nonatomic,retain) NSBezierPath *bezierPath;
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-
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-@end
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-
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-@implementation KMDrawView
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-
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-- (void)dealloc
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-{
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- _delegate = nil;
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-}
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-
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-- (id)initWithFrame:(NSRect)frameRect
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-{
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- if (self = [super initWithFrame:frameRect]) {
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- self.drawImage = [[NSImage alloc] initWithSize:self.frame.size];
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- self.drawColor = [NSColor colorWithDeviceRed:0 green:0 blue:0 alpha:1];
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- self.strokeRadius = 0.3;
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-
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- _bezierPath = [[NSBezierPath alloc] init];
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-
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- self.wantsLayer = YES;
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- self.layer.borderWidth = 1.0;
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- self.layer.borderColor =[NSColor colorWithRed:0.0 green:0.0 blue:0.0 alpha:0.05].CGColor;
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-
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- }
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- return self;
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-}
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-
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-- (NSBezierPath *)drawBezierPath {
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- _drawBezierPath = _bezierPath;
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-
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- CGRect rect = self.bezierPath.bounds;
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- NSAffineTransform *transform = [NSAffineTransform transform];
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- [transform translateXBy:- rect.origin.x + +self.bezierPath.lineWidth/2.0 yBy:-rect.origin.y + self.bezierPath.lineWidth/2.0];
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- [_drawBezierPath transformUsingAffineTransform:transform];
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-
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- return _drawBezierPath;
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-}
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-
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-/*
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- ** - (BOOL) acceptsFirstResponder
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- **
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- ** Make sure the view will receive
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- ** events.
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- **
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- ** Input: none
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- **
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- ** Output: YES to accept, NO to reject
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- */
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-- (BOOL)acceptsFirstResponder
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-{
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- return YES;
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-}
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-
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-- (void)setIsAcceptsTouch:(BOOL)isAcceptsTouch
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-{
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- _isAcceptsTouch = isAcceptsTouch;
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-
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- // Accept trackpad events
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- [self setAcceptsTouchEvents:isAcceptsTouch];
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-
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- size_t screenHeight = CGDisplayPixelsHigh(CGMainDisplayID());
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- NSRect frameToWindow = [self convertRect:self.bounds toView:nil];
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- NSRect frameToScreen = [self.window convertRectToScreen:frameToWindow];
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- if (isAcceptsTouch) {
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- // If the mouse cursor is not already hidden,
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- if (!self.cursorIsHidden) {
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- frameToScreen.origin.x = frameToScreen.origin.x+5;
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- frameToScreen.origin.y = screenHeight-frameToScreen.origin.y-5;
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- CGWarpMouseCursorPosition(frameToScreen.origin);
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-
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- // Detach the mouse cursor from the mouse
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- // hardware so that moving the mouse (or a
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- // single finger) will not move the cursor
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- CGAssociateMouseAndMouseCursorPosition(false);
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-
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- // Hide the mouse cursor
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- [NSCursor hide];
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-
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- // Remember that we detached and hid the
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- // mouse cursor
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- self.cursorIsHidden = YES;
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- }
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- } else {
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- frameToScreen.origin.y = screenHeight-frameToScreen.origin.y;
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- CGWarpMouseCursorPosition(frameToScreen.origin);
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-
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- // Attach the mouse cursor to the mouse
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- // hardware so that moving the mouse (or a
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- // single finger) will move the cursor
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- CGAssociateMouseAndMouseCursorPosition(true);
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-
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- // Show the mouse cursor
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- [NSCursor unhide];
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-
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- // Remember that we attached and unhid the
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- // mouse cursor so that the next touch that
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- // begins will detach and hide it
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- self.cursorIsHidden = NO;
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- }
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-}
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-
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-- (void)clearImage
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-{
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- self.drawImage = nil;
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- [self.bezierPath removeAllPoints];
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- [self setNeedsDisplay:YES];
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- if (self.touchEndCallback) {
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- self.touchEndCallback(YES);
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- }
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-}
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-
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-- (void)setDrawColor:(NSColor *)drawColor
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-{
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- _drawColor = drawColor;
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- [self setNeedsDisplay:YES];
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-}
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-
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-- (void)setStrokeRadius:(float)strokeRadius
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-{
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- _strokeRadius = strokeRadius;
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- [self setNeedsDisplay:YES];
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-}
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-
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-
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-- (NSImage *)signatureImage {
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- CGRect rect = CGRectZero;
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-
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- if (self.bezierPath.empty) {
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- return nil;
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- } else {
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- rect = self.bezierPath.bounds;
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- }
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-
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- CGSize size = CGSizeMake(rect.size.width+self.bezierPath.lineWidth,
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- rect.size.height+self.bezierPath.lineWidth);
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- //修改崩溃 “签名，触摸板，再选中左下角触摸板，崩溃了”
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- if (size.width <= 0 && size.height <= 0) {
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- return nil;
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- }
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- NSImage *image = [[NSImage alloc] initWithSize:size];
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- [image lockFocus];
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-
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- [self.drawColor set];
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- [self.drawBezierPath setLineWidth:self.strokeRadius * 2];
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- [self.drawBezierPath setLineCapStyle:kCGLineCapRound];
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- [self.drawBezierPath setLineJoinStyle:kCGLineJoinRound];
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- [self.drawBezierPath stroke];
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-
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- [image unlockFocus];
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-
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- return image;
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-}
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-
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-#pragma mark Draw
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-- (void)drawRect:(NSRect)dirtyRect {
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- [super drawRect:dirtyRect];
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-
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- [NSGraphicsContext saveGraphicsState];
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- [[NSColor clearColor] set];
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-
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- if (([[self window] firstResponder] == self) && self.mouseIsInView) {
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- NSSetFocusRingStyle(NSFocusRingAbove);
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- }
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- [[NSBezierPath bezierPathWithRect:[self bounds]] fill];
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-
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- [NSGraphicsContext restoreGraphicsState];
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-
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- if (self.drawImage) {
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- CGRect imageFrame = [self imageFrameInRect:dirtyRect];
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- [self.drawImage drawInRect:imageFrame];
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- }
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-
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- [self.drawColor set];
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- [self.bezierPath setLineWidth:self.strokeRadius * 2];
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- [self.bezierPath setLineCapStyle:kCGLineCapRound];
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- [self.bezierPath setLineJoinStyle:kCGLineJoinRound];
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- [self.bezierPath stroke];
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-}
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-
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-- (CGRect)imageFrameInRect:(CGRect)rect {
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- CGRect imageRect;
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- if (self.drawImage.size.width < rect.size.width &&
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- self.drawImage.size.height < rect.size.height) {
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- imageRect.origin.x = (rect.size.width-self.drawImage.size.width)/2.0;
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- imageRect.origin.y = (rect.size.height-self.drawImage.size.height)/2.0;
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- imageRect.size = self.drawImage.size;
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- } else {
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- if (self.drawImage.size.width/self.drawImage.size.height >
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- rect.size.width/rect.size.height) {
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- imageRect.size.width = rect.size.width;
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- imageRect.size.height = rect.size.width*self.drawImage.size.height/self.drawImage.size.width;
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- } else {
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- imageRect.size.height = rect.size.height;
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- imageRect.size.width = rect.size.height*self.drawImage.size.width/self.drawImage.size.height;
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- }
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- imageRect.origin.x = (rect.size.width-imageRect.size.width)/2.0;
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- imageRect.origin.y = (rect.size.height-imageRect.size.height)/2.0;
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- }
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- return imageRect;
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-}
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-
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-#pragma mark Touch
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-
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-- (void)touchesBeganWithEvent:(NSEvent *)event
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-{
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- [super touchesBeganWithEvent:event];
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-
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- NSSet *touches = [event touchesMatchingPhase:NSTouchPhaseBegan inView:self];
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- self.activeTouch = [touches anyObject];
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-
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- CGPoint point = [self.activeTouch normalizedPosition];
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- point.x = point.x * self.bounds.size.width;
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- point.y = point.y * self.bounds.size.height;
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- _index = 0;
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- _points[0] = point;
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- [self setNeedsDisplay:YES];
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-
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- if (!self.cursorIsHidden) {
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- CGAssociateMouseAndMouseCursorPosition(false);
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-
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- [NSCursor hide];
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- self.cursorIsHidden = YES;
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- }
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-
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- if (self.changeDrawCallback) {
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- self.changeDrawCallback(YES);
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- }
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-}
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-
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-- (void)touchesMovedWithEvent:(NSEvent *)event
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-{
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- [super touchesMovedWithEvent:event];
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-
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- NSSet *touches = [event touchesMatchingPhase:NSTouchPhaseMoved inView:self];
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-
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- BOOL isTouch = NO;
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- for (NSTouch *touch in touches) {
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- if (touch.identity == self.activeTouch.identity) {
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- isTouch = YES;
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- self.activeTouch = touch;
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- }
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- }
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-
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- if (!isTouch) {
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- return;
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- }
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-
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- NSPoint point = [self.activeTouch normalizedPosition];
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- point.x = point.x * self.bounds.size.width;
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- point.y = point.y * self.bounds.size.height;
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-
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- _index++;
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- _points[_index] = point;
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-
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- if (_index == 4) {
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- _points[3] = CGPointMake((_points[2].x + _points[4].x)/2.0,
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- (_points[2].y + _points[4].y)/2.0);
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- [self.bezierPath moveToPoint:_points[0]];
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-
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- [self.bezierPath curveToPoint:_points[3]
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- controlPoint1:_points[1]
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- controlPoint2:_points[2] ];
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- _points[0] = _points[3];
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- _points[1] = _points[4];
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- _index = 1;
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- [self setNeedsDisplay:YES];
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- }
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-}
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-
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-- (void)touchesEndedWithEvent:(NSEvent *)event
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-{
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- [super touchesEndedWithEvent:event];
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-
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- NSSet *touches = [event touchesMatchingPhase:NSTouchPhaseMoved inView:self];
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-
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- for (NSTouch *touch in touches) {
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- if (touch.identity == self.activeTouch.identity) {
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- self.activeTouch = nil;
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- }
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- }
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-
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- if (_index < 4) {
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- for (int i=0; i<_index; i++) {
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- [self.bezierPath moveToPoint:_points[i]];
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- }
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- [self setNeedsDisplay:YES];
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- }
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-
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-// NSImage *image = [self signatureImage];
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-// if (self.changeDrawCallback) {
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-// self.changeDrawCallback(image);
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-// }
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- if (self.touchEndCallback) {
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- self.touchEndCallback(NO);
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- }
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-}
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-
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-- (void)touchesCancelledWithEvent:(NSEvent *)event
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-{
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- [super touchesCancelledWithEvent:event];
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-
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- for (int i=0; i<_index; i++) {
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- [self.bezierPath moveToPoint:_points[i]];
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- }
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- self.activeTouch = nil;
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- [self setNeedsDisplay:YES];
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-}
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-
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-#pragma mark Mouse
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-- (void)viewDidMoveToWindow
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-{
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- if ([self window] != nil) {
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- [self addTrackingRect:[self bounds]
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- owner:self
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- userData:NULL
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- assumeInside:NO];
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- }
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-}
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-
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-- (void)mouseEntered:(NSEvent *)theEvent
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-{
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- [[self window] makeFirstResponder:self];
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-
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-// self.mouseIsInView = YES;
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- [self setNeedsDisplay:YES];
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-}
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-
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-- (void)mouseExited:(NSEvent *)theEvent
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-{
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-// self.mouseIsInView = NO;
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-
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- [self setNeedsDisplay:YES];
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-}
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-
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-- (void)mouseDown:(NSEvent *)theEvent
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-{
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- if ([self acceptsTouchEvents]) {
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- return;
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- }
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-
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- CGPoint point = [self convertPoint:[theEvent locationInWindow] fromView:nil];
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- _index = 0;
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- _points[0] = point;
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-}
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-
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-- (void)mouseDragged:(NSEvent *)theEvent
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-{
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- if ([self acceptsTouchEvents]) {
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- return;
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- }
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-
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- NSPoint point = [self convertPoint:[theEvent locationInWindow] fromView:nil];
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-
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- _index++;
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- _points[_index] = point;
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-
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- if (_index == 4) {
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- _points[3] = CGPointMake((_points[2].x + _points[4].x)/2.0,
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- (_points[2].y + _points[4].y)/2.0);
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- [self.bezierPath moveToPoint:_points[0]];
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-
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- [self.bezierPath curveToPoint:_points[3]
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- controlPoint1:_points[1]
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- controlPoint2:_points[2] ];
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- _points[0] = _points[3];
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- _points[1] = _points[4];
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- _index = 1;
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- [self setNeedsDisplay:YES];
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-
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- if (self.changeDrawCallback) {
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- self.changeDrawCallback(YES);
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- }
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- }
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-}
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-
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-- (void)mouseUp:(NSEvent *)theEvent
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-{
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- if ([self acceptsTouchEvents]) {
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- return;
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- }
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-
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- if (_index < 4) {
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- for (int i=0; i<_index; i++) {
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- [self.bezierPath moveToPoint:_points[i]];
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- }
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- [self setNeedsDisplay:YES];
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- }
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- if (self.touchEndCallback) {
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- self.touchEndCallback(NO);
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- }
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-}
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-
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-- (void)keyDown:(NSEvent *)theEvent
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-{
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- NSString *chars = [theEvent characters];
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- if(chars.length > 0) {
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- unichar character = [chars characterAtIndex:0];
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-
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-// if (character == 27) {
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- if (self.isAcceptsTouch) {
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- self.isAcceptsTouch = NO;
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- if ([self.delegate respondsToSelector:@selector(drawViewDidFinishTouchMode:)]) {
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- [self.delegate drawViewDidFinishTouchMode:self];
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- }
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- return;
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- }
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-// }
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- }
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-
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- [super keyDown:theEvent];
|
|
|
-}
|
|
|
-
|
|
|
-@end
|
