yeet

node_modules/react-native/Libraries/ART/ARTCGFloatArray.h

@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+// A little helper to make sure we have the right memory allocation ready for use.
+// We assume that we will only this in one place so no reference counting is necessary.
+// Needs to be freed when deallocated.
+
+// This is fragile since this relies on these values not getting reused. Consider
+// wrapping these in an Obj-C class or some ARC hackery to get refcounting.
+
+typedef struct {
+  size_t count;
+  CGFloat *array;
+} ARTCGFloatArray;

node_modules/react-native/Libraries/ART/ARTContainer.h

@@ -0,0 +1,16 @@
+/*
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#import <Foundation/Foundation.h>
+
+@protocol ARTContainer <NSObject>
+
+// This is used as a hook for child to mark it's parent as dirty.
+// This bubbles up to the root which gets marked as dirty.
+- (void)invalidate;
+
+@end

node_modules/react-native/Libraries/ART/ARTGroup.h

@@ -0,0 +1,17 @@
+/*
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#import <Foundation/Foundation.h>
+
+#import "ARTContainer.h"
+#import "ARTNode.h"
+
+@interface ARTGroup : ARTNode <ARTContainer>
+
+@property (nonatomic, assign) CGRect clipping;
+
+@end

node_modules/react-native/Libraries/ART/ARTGroup.m

@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#import <React/ARTGroup.h>
+
+@implementation ARTGroup
+
+- (void)renderLayerTo:(CGContextRef)context
+{
+
+  if (!CGRectIsEmpty(self.clipping)) {
+    CGContextClipToRect(context, self.clipping);
+  }
+
+  for (ARTNode *node in self.subviews) {
+    [node renderTo:context];
+  }
+}
+
+@end

node_modules/react-native/Libraries/ART/ARTNode.h

@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#import <React/UIView+React.h>
+
+/**
+ * ART nodes are implemented as empty UIViews but this is just an implementation detail to fit
+ * into the existing view management. They should also be shadow views and painted on a background
+ * thread.
+ */
+
+@interface ARTNode : UIView
+
+@property (nonatomic, assign) CGFloat opacity;
+
+- (void)invalidate;
+- (void)renderTo:(CGContextRef)context;
+
+/**
+ * renderTo will take opacity into account and draw renderLayerTo off-screen if there is opacity
+ * specified, then composite that onto the context. renderLayerTo always draws at opacity=1.
+ * @abstract
+ */
+- (void)renderLayerTo:(CGContextRef)context;
+
+@end

node_modules/react-native/Libraries/ART/ARTNode.m

@@ -0,0 +1,80 @@
+/*
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#import <React/ARTNode.h>
+
+#import <React/ARTContainer.h>
+
+@implementation ARTNode
+
+- (void)insertReactSubview:(UIView *)subview atIndex:(NSInteger)atIndex
+{
+  [super insertReactSubview:subview atIndex:atIndex];
+  [self insertSubview:subview atIndex:atIndex];
+  [self invalidate];
+}
+
+- (void)removeReactSubview:(UIView *)subview
+{
+  [super removeReactSubview:subview];
+  [self invalidate];
+}
+
+- (void)didUpdateReactSubviews
+{
+  // Do nothing, as subviews are inserted by insertReactSubview:
+}
+
+- (void)setOpacity:(CGFloat)opacity
+{
+  [self invalidate];
+  _opacity = opacity;
+}
+
+- (void)setTransform:(CGAffineTransform)transform
+{
+  [self invalidate];
+  super.transform = transform;
+}
+
+- (void)invalidate
+{
+  id<ARTContainer> container = (id<ARTContainer>)self.superview;
+  [container invalidate];
+}
+
+- (void)renderTo:(CGContextRef)context
+{
+  if (self.opacity <= 0) {
+    // Nothing to paint
+    return;
+  }
+  if (self.opacity >= 1) {
+    // Just paint at full opacity
+    CGContextSaveGState(context);
+    CGContextConcatCTM(context, self.transform);
+    CGContextSetAlpha(context, 1);
+    [self renderLayerTo:context];
+    CGContextRestoreGState(context);
+    return;
+  }
+  // This needs to be painted on a layer before being composited.
+  CGContextSaveGState(context);
+  CGContextConcatCTM(context, self.transform);
+  CGContextSetAlpha(context, self.opacity);
+  CGContextBeginTransparencyLayer(context, NULL);
+  [self renderLayerTo:context];
+  CGContextEndTransparencyLayer(context);
+  CGContextRestoreGState(context);
+}
+
+- (void)renderLayerTo:(CGContextRef)context
+{
+  // abstract
+}
+
+@end

node_modules/react-native/Libraries/ART/ARTRenderable.h

@@ -0,0 +1,23 @@
+/*
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#import <Foundation/Foundation.h>
+
+#import "ARTBrush.h"
+#import "ARTCGFloatArray.h"
+#import "ARTNode.h"
+
+@interface ARTRenderable : ARTNode
+
+@property (nonatomic, strong) ARTBrush *fill;
+@property (nonatomic, assign) CGColorRef stroke;
+@property (nonatomic, assign) CGFloat strokeWidth;
+@property (nonatomic, assign) CGLineCap strokeCap;
+@property (nonatomic, assign) CGLineJoin strokeJoin;
+@property (nonatomic, assign) ARTCGFloatArray strokeDash;
+
+@end

node_modules/react-native/Libraries/ART/ARTRenderable.m

@@ -0,0 +1,87 @@
+/*
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#import <React/ARTRenderable.h>
+
+@implementation ARTRenderable
+
+- (void)setFill:(ARTBrush *)fill
+{
+  [self invalidate];
+  _fill = fill;
+}
+
+- (void)setStroke:(CGColorRef)stroke
+{
+  if (stroke == _stroke) {
+    return;
+  }
+  [self invalidate];
+  CGColorRelease(_stroke);
+  _stroke = CGColorRetain(stroke);
+}
+
+- (void)setStrokeWidth:(CGFloat)strokeWidth
+{
+  [self invalidate];
+  _strokeWidth = strokeWidth;
+}
+
+- (void)setStrokeCap:(CGLineCap)strokeCap
+{
+  [self invalidate];
+  _strokeCap = strokeCap;
+}
+
+- (void)setStrokeJoin:(CGLineJoin)strokeJoin
+{
+  [self invalidate];
+  _strokeJoin = strokeJoin;
+}
+
+- (void)setStrokeDash:(ARTCGFloatArray)strokeDash
+{
+  if (strokeDash.array == _strokeDash.array) {
+    return;
+  }
+  if (_strokeDash.array) {
+    free(_strokeDash.array);
+  }
+  [self invalidate];
+  _strokeDash = strokeDash;
+}
+
+- (void)dealloc
+{
+  CGColorRelease(_stroke);
+  if (_strokeDash.array) {
+    free(_strokeDash.array);
+  }
+}
+
+- (void)renderTo:(CGContextRef)context
+{
+  if (self.opacity <= 0 || self.opacity >= 1 || (self.fill && self.stroke)) {
+    // If we have both fill and stroke, we will need to paint this using normal compositing
+    [super renderTo: context];
+    return;
+  }
+  // This is a terminal with only one painting. Therefore we don't need to paint this
+  // off-screen. We can just composite it straight onto the buffer.
+  CGContextSaveGState(context);
+  CGContextConcatCTM(context, self.transform);
+  CGContextSetAlpha(context, self.opacity);
+  [self renderLayerTo:context];
+  CGContextRestoreGState(context);
+}
+
+- (void)renderLayerTo:(CGContextRef)context
+{
+  // abstract
+}
+
+@end

node_modules/react-native/Libraries/ART/ARTShape.h

@@ -0,0 +1,16 @@
+/*
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#import <Foundation/Foundation.h>
+
+#import "ARTRenderable.h"
+
+@interface ARTShape : ARTRenderable
+
+@property (nonatomic, assign) CGPathRef d;
+
+@end

node_modules/react-native/Libraries/ART/ARTShape.m

@@ -0,0 +1,66 @@
+/*
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#import <React/ARTShape.h>
+
+@implementation ARTShape
+
+- (void)setD:(CGPathRef)d
+{
+  if (d == _d) {
+    return;
+  }
+  [self invalidate];
+  CGPathRelease(_d);
+  _d = CGPathRetain(d);
+}
+
+- (void)dealloc
+{
+  CGPathRelease(_d);
+}
+
+- (void)renderLayerTo:(CGContextRef)context
+{
+  if ((!self.fill && !self.stroke) || !self.d) {
+    return;
+  }
+
+  CGPathDrawingMode mode = kCGPathStroke;
+  if (self.fill) {
+    if ([self.fill applyFillColor:context]) {
+      mode = kCGPathFill;
+    } else {
+      CGContextSaveGState(context);
+      CGContextAddPath(context, self.d);
+      CGContextClip(context);
+      [self.fill paint:context];
+      CGContextRestoreGState(context);
+      if (!self.stroke) {
+        return;
+      }
+    }
+  }
+  if (self.stroke) {
+    CGContextSetStrokeColorWithColor(context, self.stroke);
+    CGContextSetLineWidth(context, self.strokeWidth);
+    CGContextSetLineCap(context, self.strokeCap);
+    CGContextSetLineJoin(context, self.strokeJoin);
+    ARTCGFloatArray dash = self.strokeDash;
+    if (dash.count) {
+      CGContextSetLineDash(context, 0, dash.array, dash.count);
+    }
+    if (mode == kCGPathFill) {
+      mode = kCGPathFillStroke;
+    }
+  }
+
+  CGContextAddPath(context, self.d);
+  CGContextDrawPath(context, mode);
+}
+
+@end

node_modules/react-native/Libraries/ART/ARTSurfaceView.h

@@ -0,0 +1,14 @@
+/*
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#import <UIKit/UIKit.h>
+
+#import "ARTContainer.h"
+
+@interface ARTSurfaceView : UIView <ARTContainer>
+
+@end

node_modules/react-native/Libraries/ART/ARTSurfaceView.m

@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#import <React/ARTSurfaceView.h>
+
+#import <React/RCTLog.h>
+
+#import <React/ARTNode.h>
+
+@implementation ARTSurfaceView
+
+- (instancetype)initWithFrame:(CGRect)frame
+{
+  if (self = [super initWithFrame:frame]) {
+    self.opaque = NO;
+  }
+
+  return self;
+}
+
+- (void)insertReactSubview:(UIView *)subview atIndex:(NSInteger)atIndex
+{
+  [super insertReactSubview:subview atIndex:atIndex];
+  [self insertSubview:subview atIndex:atIndex];
+  [self invalidate];
+}
+
+- (void)removeReactSubview:(UIView *)subview
+{
+  [super removeReactSubview:subview];
+  [self invalidate];
+}
+
+- (void)didUpdateReactSubviews
+{
+  // Do nothing, as subviews are inserted by insertReactSubview:
+}
+
+- (void)invalidate
+{
+  [self setNeedsDisplay];
+}
+
+- (void)drawRect:(CGRect)rect
+{
+  [super drawRect:rect];
+  CGContextRef context = UIGraphicsGetCurrentContext();
+  for (ARTNode *node in self.subviews) {
+    [node renderTo:context];
+  }
+}
+
+@end

node_modules/react-native/Libraries/ART/ARTText.h

@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#import <Foundation/Foundation.h>
+
+#import "ARTRenderable.h"
+#import "ARTTextFrame.h"
+
+@interface ARTText : ARTRenderable
+
+@property (nonatomic, assign) CTTextAlignment alignment;
+@property (nonatomic, assign) ARTTextFrame textFrame;
+
+@end

node_modules/react-native/Libraries/ART/ARTText.m

@@ -0,0 +1,125 @@
+/*
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#import <React/ARTText.h>
+
+#import <CoreText/CoreText.h>
+
+@implementation ARTText
+
+- (void)setAlignment:(CTTextAlignment)alignment
+{
+  [self invalidate];
+  _alignment = alignment;
+}
+
+static void ARTFreeTextFrame(ARTTextFrame frame)
+{
+  if (frame.count) {
+    // We must release each line before freeing up this struct
+    for (int i = 0; i < frame.count; i++) {
+      CFRelease(frame.lines[i]);
+    }
+    free(frame.lines);
+    free(frame.widths);
+  }
+}
+
+- (void)setTextFrame:(ARTTextFrame)frame
+{
+  if (frame.lines != _textFrame.lines) {
+    ARTFreeTextFrame(_textFrame);
+  }
+  [self invalidate];
+  _textFrame = frame;
+}
+
+- (void)dealloc
+{
+  ARTFreeTextFrame(_textFrame);
+}
+
+- (void)renderLayerTo:(CGContextRef)context
+{
+  ARTTextFrame frame = self.textFrame;
+
+  if ((!self.fill && !self.stroke) || !frame.count) {
+    return;
+  }
+
+  // to-do: draw along a path
+
+  CGTextDrawingMode mode = kCGTextStroke;
+  if (self.fill) {
+    if ([self.fill applyFillColor:context]) {
+      mode = kCGTextFill;
+    } else {
+
+      for (int i = 0; i < frame.count; i++) {
+        CGContextSaveGState(context);
+        // Inverse the coordinate space since CoreText assumes a bottom-up coordinate space
+        CGContextScaleCTM(context, 1.0, -1.0);
+        CGContextSetTextDrawingMode(context, kCGTextClip);
+        [self renderLineTo:context atIndex:i];
+        // Inverse the coordinate space back to the original before filling
+        CGContextScaleCTM(context, 1.0, -1.0);
+        [self.fill paint:context];
+        // Restore the state so that the next line can be clipped separately
+        CGContextRestoreGState(context);
+      }
+
+      if (!self.stroke) {
+        return;
+      }
+    }
+  }
+  if (self.stroke) {
+    CGContextSetStrokeColorWithColor(context, self.stroke);
+    CGContextSetLineWidth(context, self.strokeWidth);
+    CGContextSetLineCap(context, self.strokeCap);
+    CGContextSetLineJoin(context, self.strokeJoin);
+    ARTCGFloatArray dash = self.strokeDash;
+    if (dash.count) {
+      CGContextSetLineDash(context, 0, dash.array, dash.count);
+    }
+    if (mode == kCGTextFill) {
+      mode = kCGTextFillStroke;
+    }
+  }
+
+  CGContextSetTextDrawingMode(context, mode);
+
+  // Inverse the coordinate space since CoreText assumes a bottom-up coordinate space
+  CGContextScaleCTM(context, 1.0, -1.0);
+  for (int i = 0; i < frame.count; i++) {
+    [self renderLineTo:context atIndex:i];
+  }
+}
+
+- (void)renderLineTo:(CGContextRef)context atIndex:(int)index
+{
+  ARTTextFrame frame = self.textFrame;
+  CGFloat shift;
+  switch (self.alignment) {
+    case kCTTextAlignmentRight:
+      shift = frame.widths[index];
+      break;
+    case kCTTextAlignmentCenter:
+      shift = (frame.widths[index] / 2);
+      break;
+    default:
+      shift = 0;
+      break;
+  }
+  // We should consider snapping this shift to device pixels to improve rendering quality
+  // when a line has subpixel width.
+  CGContextSetTextPosition(context, -shift, -frame.baseLine - frame.lineHeight * index);
+  CTLineRef line = frame.lines[index];
+  CTLineDraw(line, context);
+}
+
+@end

node_modules/react-native/Libraries/ART/ARTTextFrame.h

@@ -0,0 +1,23 @@
+/*
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#import <CoreText/CoreText.h>
+
+// A little helper to make sure we have a set of lines including width ready for use.
+// We assume that we will only this in one place so no reference counting is necessary.
+// Needs to be freed when deallocated.
+
+// This is fragile since this relies on these values not getting reused. Consider
+// wrapping these in an Obj-C class or some ARC hackery to get refcounting.
+
+typedef struct {
+  size_t count;
+  CGFloat baseLine; // Distance from the origin to the base line of the first line
+  CGFloat lineHeight; // Distance between lines
+  CTLineRef *lines;
+  CGFloat *widths; // Width of each line
+} ARTTextFrame;

node_modules/react-native/Libraries/ART/Brushes/ARTBrush.h

@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#import <CoreGraphics/CoreGraphics.h>
+#import <Foundation/Foundation.h>
+
+@interface ARTBrush : NSObject
+
+/* @abstract */
+- (instancetype)initWithArray:(NSArray *)data NS_DESIGNATED_INITIALIZER;
+
+/**
+ * For certain brushes we can fast path a combined fill and stroke.
+ * For those brushes we override applyFillColor which sets the fill
+ * color to be used by those batch paints. Those return YES.
+ * We can't batch gradient painting in CoreGraphics, so those will
+ * return NO and paint gets called instead.
+ * @abstract
+ */
+- (BOOL)applyFillColor:(CGContextRef)context;
+
+/**
+ * paint fills the context with a brush. The context is assumed to
+ * be clipped.
+ * @abstract
+ */
+- (void)paint:(CGContextRef)context;
+
+@end

node_modules/react-native/Libraries/ART/Brushes/ARTBrush.m

@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#import <React/ARTBrush.h>
+
+#import <React/RCTDefines.h>
+
+@implementation ARTBrush
+
+- (instancetype)initWithArray:(NSArray *)data
+{
+  return [super init];
+}
+
+RCT_NOT_IMPLEMENTED(- (instancetype)init)
+
+- (BOOL)applyFillColor:(CGContextRef)context
+{
+  return NO;
+}
+
+- (void)paint:(CGContextRef)context
+{
+  // abstract
+}
+
+@end

node_modules/react-native/Libraries/ART/Brushes/ARTLinearGradient.h

@@ -0,0 +1,12 @@
+/*
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#import "ARTBrush.h"
+
+@interface ARTLinearGradient : ARTBrush
+
+@end

node_modules/react-native/Libraries/ART/Brushes/ARTLinearGradient.m

@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#import <React/ARTLinearGradient.h>
+
+#import <React/RCTLog.h>
+
+#import "RCTConvert+ART.h"
+
+@implementation ARTLinearGradient
+{
+  CGGradientRef _gradient;
+  CGPoint _startPoint;
+  CGPoint _endPoint;
+}
+
+- (instancetype)initWithArray:(NSArray<NSNumber *> *)array
+{
+  if ((self = [super initWithArray:array])) {
+    if (array.count < 5) {
+      RCTLogError(@"-[%@ %@] expects 5 elements, received %@",
+                  self.class, NSStringFromSelector(_cmd), array);
+      return nil;
+    }
+    _startPoint = [RCTConvert CGPoint:array offset:1];
+    _endPoint = [RCTConvert CGPoint:array offset:3];
+    _gradient = CGGradientRetain([RCTConvert CGGradient:array offset:5]);
+  }
+  return self;
+}
+
+- (void)dealloc
+{
+  CGGradientRelease(_gradient);
+}
+
+- (void)paint:(CGContextRef)context
+{
+  CGGradientDrawingOptions extendOptions =
+    kCGGradientDrawsBeforeStartLocation | kCGGradientDrawsAfterEndLocation;
+  CGContextDrawLinearGradient(context, _gradient, _startPoint, _endPoint, extendOptions);
+}
+
+@end

node_modules/react-native/Libraries/ART/Brushes/ARTPattern.h

@@ -0,0 +1,12 @@
+/*
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#import "ARTBrush.h"
+
+@interface ARTPattern : ARTBrush
+
+@end

node_modules/react-native/Libraries/ART/Brushes/ARTPattern.m

@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#import <React/ARTPattern.h>
+
+#import <React/RCTLog.h>
+
+#import "RCTConvert+ART.h"
+
+@implementation ARTPattern
+{
+  CGImageRef _image;
+  CGRect _rect;
+}
+
+- (instancetype)initWithArray:(NSArray<id /* imagesource + numbers */> *)array
+{
+  if ((self = [super initWithArray:array])) {
+    if (array.count < 6) {
+      RCTLogError(@"-[%@ %@] expects 6 elements, received %@",
+                  self.class, NSStringFromSelector(_cmd), array);
+      return nil;
+    }
+    _image = CGImageRetain([RCTConvert CGImage:array[1]]);
+    _rect = [RCTConvert CGRect:array offset:2];
+  }
+  return self;
+}
+
+- (void)dealloc
+{
+  CGImageRelease(_image);
+}
+
+// Note: This could use applyFillColor with a pattern. This could be more efficient but
+// to do that, we need to calculate our own user space CTM.
+
+- (void)paint:(CGContextRef)context
+{
+  CGContextDrawTiledImage(context, _rect, _image);
+}
+
+
+
+@end

node_modules/react-native/Libraries/ART/Brushes/ARTRadialGradient.h

@@ -0,0 +1,12 @@
+/*
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#import "ARTBrush.h"
+
+@interface ARTRadialGradient : ARTBrush
+
+@end

node_modules/react-native/Libraries/ART/Brushes/ARTRadialGradient.m

@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#import <React/ARTRadialGradient.h>
+
+#import <React/RCTLog.h>
+
+#import "RCTConvert+ART.h"
+
+@implementation ARTRadialGradient
+{
+  CGGradientRef _gradient;
+  CGPoint _focusPoint;
+  CGPoint _centerPoint;
+  CGFloat _radius;
+  CGFloat _radiusRatio;
+}
+
+- (instancetype)initWithArray:(NSArray<NSNumber *> *)array
+{
+  if ((self = [super initWithArray:array])) {
+    if (array.count < 7) {
+      RCTLogError(@"-[%@ %@] expects 7 elements, received %@",
+                  self.class, NSStringFromSelector(_cmd), array);
+      return nil;
+    }
+    _radius = [RCTConvert CGFloat:array[3]];
+    _radiusRatio = [RCTConvert CGFloat:array[4]] / _radius;
+    _focusPoint.x = [RCTConvert CGFloat:array[1]];
+    _focusPoint.y = [RCTConvert CGFloat:array[2]] / _radiusRatio;
+    _centerPoint.x = [RCTConvert CGFloat:array[5]];
+    _centerPoint.y = [RCTConvert CGFloat:array[6]] / _radiusRatio;
+    _gradient = CGGradientRetain([RCTConvert CGGradient:array offset:7]);
+  }
+  return self;
+}
+
+- (void)dealloc
+{
+  CGGradientRelease(_gradient);
+}
+
+- (void)paint:(CGContextRef)context
+{
+  CGAffineTransform transform = CGAffineTransformMakeScale(1, _radiusRatio);
+  CGContextConcatCTM(context, transform);
+  CGGradientDrawingOptions extendOptions = kCGGradientDrawsBeforeStartLocation | kCGGradientDrawsAfterEndLocation;
+  CGContextDrawRadialGradient(context, _gradient, _focusPoint, 0, _centerPoint, _radius, extendOptions);
+}
+
+@end

node_modules/react-native/Libraries/ART/Brushes/ARTSolidColor.h

@@ -0,0 +1,12 @@
+/*
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#import "ARTBrush.h"
+
+@interface ARTSolidColor : ARTBrush
+
+@end

node_modules/react-native/Libraries/ART/Brushes/ARTSolidColor.m

@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#import <React/ARTSolidColor.h>
+
+#import <React/RCTLog.h>
+
+#import "RCTConvert+ART.h"
+
+@implementation ARTSolidColor
+{
+  CGColorRef _color;
+}
+
+- (instancetype)initWithArray:(NSArray<NSNumber *> *)array
+{
+  if ((self = [super initWithArray:array])) {
+    _color = CGColorRetain([RCTConvert CGColor:array offset:1]);
+  }
+  return self;
+}
+
+- (void)dealloc
+{
+  CGColorRelease(_color);
+}
+
+- (BOOL)applyFillColor:(CGContextRef)context
+{
+  CGContextSetFillColorWithColor(context, _color);
+  return YES;
+}
+
+@end

node_modules/react-native/Libraries/ART/RCTConvert+ART.h

@@ -0,0 +1,29 @@
+/*
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#import <QuartzCore/QuartzCore.h>
+
+#import <React/RCTConvert.h>
+
+#import "ARTBrush.h"
+#import "ARTCGFloatArray.h"
+#import "ARTTextFrame.h"
+
+@interface RCTConvert (ART)
+
++ (CGPathRef)CGPath:(id)json CF_RETURNS_NOT_RETAINED;
++ (CTTextAlignment)CTTextAlignment:(id)json;
++ (ARTTextFrame)ARTTextFrame:(id)json;
++ (ARTCGFloatArray)ARTCGFloatArray:(id)json;
++ (ARTBrush *)ARTBrush:(id)json;
+
++ (CGPoint)CGPoint:(id)json offset:(NSUInteger)offset;
++ (CGRect)CGRect:(id)json offset:(NSUInteger)offset;
++ (CGColorRef)CGColor:(id)json offset:(NSUInteger)offset CF_RETURNS_NOT_RETAINED;
++ (CGGradientRef)CGGradient:(id)json offset:(NSUInteger)offset CF_RETURNS_NOT_RETAINED;
+
+@end

node_modules/react-native/Libraries/ART/RCTConvert+ART.m

@@ -0,0 +1,222 @@
+/*
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#import "RCTConvert+ART.h"
+
+#import <React/RCTFont.h>
+#import <React/RCTLog.h>
+
+#import <React/ARTLinearGradient.h>
+#import <React/ARTPattern.h>
+#import <React/ARTRadialGradient.h>
+#import <React/ARTSolidColor.h>
+
+@implementation RCTConvert (ART)
+
++ (CGPathRef)CGPath:(id)json
+{
+  NSArray *arr = [self NSNumberArray:json];
+
+  NSUInteger count = [arr count];
+
+#define NEXT_VALUE [self double:arr[i++]]
+
+  CGMutablePathRef path = CGPathCreateMutable();
+  CGPathMoveToPoint(path, NULL, 0, 0);
+
+  @try {
+    NSUInteger i = 0;
+    while (i < count) {
+      NSUInteger type = [arr[i++] unsignedIntegerValue];
+      switch (type) {
+        case 0:
+          CGPathMoveToPoint(path, NULL, NEXT_VALUE, NEXT_VALUE);
+          break;
+        case 1:
+          CGPathCloseSubpath(path);
+          break;
+        case 2:
+          CGPathAddLineToPoint(path, NULL, NEXT_VALUE, NEXT_VALUE);
+          break;
+        case 3:
+          CGPathAddCurveToPoint(path, NULL, NEXT_VALUE, NEXT_VALUE, NEXT_VALUE, NEXT_VALUE, NEXT_VALUE, NEXT_VALUE);
+          break;
+        case 4:
+          CGPathAddArc(path, NULL, NEXT_VALUE, NEXT_VALUE, NEXT_VALUE, NEXT_VALUE, NEXT_VALUE, NEXT_VALUE == 0);
+          break;
+        default:
+          RCTLogError(@"Invalid CGPath type %llu at element %llu of %@", (unsigned long long)type, (unsigned long long)i, arr);
+          CGPathRelease(path);
+          return NULL;
+      }
+    }
+  }
+  @catch (NSException *exception) {
+    RCTLogError(@"Invalid CGPath format: %@", arr);
+    CGPathRelease(path);
+    return NULL;
+  }
+
+  return (CGPathRef)CFAutorelease(path);
+}
+
+RCT_ENUM_CONVERTER(CTTextAlignment, (@{
+  @"auto": @(kCTTextAlignmentNatural),
+  @"left": @(kCTTextAlignmentLeft),
+  @"center": @(kCTTextAlignmentCenter),
+  @"right": @(kCTTextAlignmentRight),
+  @"justify": @(kCTTextAlignmentJustified),
+}), kCTTextAlignmentNatural, integerValue)
+
+// This takes a tuple of text lines and a font to generate a CTLine for each text line.
+// This prepares everything for rendering a frame of text in ARTText.
++ (ARTTextFrame)ARTTextFrame:(id)json
+{
+  NSDictionary *dict = [self NSDictionary:json];
+  ARTTextFrame frame;
+  frame.count = 0;
+
+  NSArray *lines = [self NSArray:dict[@"lines"]];
+  NSUInteger lineCount = [lines count];
+  if (lineCount == 0) {
+    return frame;
+  }
+
+  CTFontRef font = (__bridge CTFontRef)[self UIFont:dict[@"font"]];
+  if (!font) {
+    return frame;
+  }
+
+  // Create a dictionary for this font
+  CFDictionaryRef attributes = (__bridge CFDictionaryRef)@{
+    (NSString *)kCTFontAttributeName:(__bridge id)font,
+    (NSString *)kCTForegroundColorFromContextAttributeName: @YES
+  };
+
+  // Set up text frame with font metrics
+  CGFloat size = CTFontGetSize(font);
+  frame.count = lineCount;
+  frame.baseLine = size; // estimate base line
+  frame.lineHeight = size * 1.1; // Base on ART canvas line height estimate
+  frame.lines = malloc(sizeof(CTLineRef) * lineCount);
+  frame.widths = malloc(sizeof(CGFloat) * lineCount);
+
+  [lines enumerateObjectsUsingBlock:^(NSString *text, NSUInteger i, BOOL *stop) {
+
+    CFStringRef string = (__bridge CFStringRef)text;
+    CFAttributedStringRef attrString = CFAttributedStringCreate(kCFAllocatorDefault, string, attributes);
+    CTLineRef line = CTLineCreateWithAttributedString(attrString);
+    CFRelease(attrString);
+
+    frame.lines[i] = line;
+    frame.widths[i] = CTLineGetTypographicBounds(line, NULL, NULL, NULL);
+  }];
+
+  return frame;
+}
+
++ (ARTCGFloatArray)ARTCGFloatArray:(id)json
+{
+  NSArray *arr = [self NSNumberArray:json];
+  NSUInteger count = arr.count;
+
+  ARTCGFloatArray array;
+  array.count = count;
+  array.array = NULL;
+
+  if (count) {
+    // Ideally, these arrays should already use the same memory layout.
+    // In that case we shouldn't need this new malloc.
+    array.array = malloc(sizeof(CGFloat) * count);
+    for (NSUInteger i = 0; i < count; i++) {
+      array.array[i] = [arr[i] doubleValue];
+    }
+  }
+
+  return array;
+}
+
++ (ARTBrush *)ARTBrush:(id)json
+{
+  NSArray *arr = [self NSArray:json];
+  NSUInteger type = [self NSUInteger:arr.firstObject];
+  switch (type) {
+    case 0: // solid color
+      // These are probably expensive allocations since it's often the same value.
+      // We should memoize colors but look ups may be just as expensive.
+      return [[ARTSolidColor alloc] initWithArray:arr];
+    case 1: // linear gradient
+      return [[ARTLinearGradient alloc] initWithArray:arr];
+    case 2: // radial gradient
+      return [[ARTRadialGradient alloc] initWithArray:arr];
+    case 3: // pattern
+      return [[ARTPattern alloc] initWithArray:arr];
+    default:
+      RCTLogError(@"Unknown brush type: %llu", (unsigned long long)type);
+      return nil;
+  }
+}
+
++ (CGPoint)CGPoint:(id)json offset:(NSUInteger)offset
+{
+  NSArray *arr = [self NSArray:json];
+  if (arr.count < offset + 2) {
+    RCTLogError(@"Too few elements in array (expected at least %llu): %@", (unsigned long long)(2 + offset), arr);
+    return CGPointZero;
+  }
+  return (CGPoint){
+    [self CGFloat:arr[offset]],
+    [self CGFloat:arr[offset + 1]],
+  };
+}
+
++ (CGRect)CGRect:(id)json offset:(NSUInteger)offset
+{
+  NSArray *arr = [self NSArray:json];
+  if (arr.count < offset + 4) {
+    RCTLogError(@"Too few elements in array (expected at least %llu): %@", (unsigned long long)(4 + offset), arr);
+    return CGRectZero;
+  }
+  return (CGRect){
+    {[self CGFloat:arr[offset]], [self CGFloat:arr[offset + 1]]},
+    {[self CGFloat:arr[offset + 2]], [self CGFloat:arr[offset + 3]]},
+  };
+}
+
++ (CGColorRef)CGColor:(id)json offset:(NSUInteger)offset
+{
+  NSArray *arr = [self NSArray:json];
+  if (arr.count < offset + 4) {
+    RCTLogError(@"Too few elements in array (expected at least %llu): %@", (unsigned long long)(4 + offset), arr);
+    return NULL;
+  }
+  return [self CGColor:[arr subarrayWithRange:(NSRange){offset, 4}]];
+}
+
++ (CGGradientRef)CGGradient:(id)json offset:(NSUInteger)offset
+{
+  NSArray *arr = [self NSArray:json];
+  if (arr.count < offset) {
+    RCTLogError(@"Too few elements in array (expected at least %llu): %@", (unsigned long long)offset, arr);
+    return NULL;
+  }
+  arr = [arr subarrayWithRange:(NSRange){offset, arr.count - offset}];
+  ARTCGFloatArray colorsAndOffsets = [self ARTCGFloatArray:arr];
+  size_t stops = colorsAndOffsets.count / 5;
+  CGColorSpaceRef rgb = CGColorSpaceCreateDeviceRGB();
+  CGGradientRef gradient = CGGradientCreateWithColorComponents(
+    rgb,
+    colorsAndOffsets.array,
+    colorsAndOffsets.array + stops * 4,
+    stops
+  );
+  CGColorSpaceRelease(rgb);
+  free(colorsAndOffsets.array);
+  return (CGGradientRef)CFAutorelease(gradient);
+}
+
+@end

node_modules/react-native/Libraries/ART/React-ART.podspec

@@ -0,0 +1,33 @@
+# Copyright (c) Facebook, Inc. and its affiliates.
+#
+# This source code is licensed under the MIT license found in the
+# LICENSE file in the root directory of this source tree.
+
+require "json"
+
+package = JSON.parse(File.read(File.join(__dir__, "..", "..", "package.json")))
+version = package['version']
+
+source = { :git => 'https://github.com/facebook/react-native.git' }
+if version == '1000.0.0'
+  # This is an unpublished version, use the latest commit hash of the react-native repo, which we’re presumably in.
+  source[:commit] = `git rev-parse HEAD`.strip
+else
+  source[:tag] = "v#{version}"
+end
+
+Pod::Spec.new do |s|
+  s.name                   = "React-ART"
+  s.version                = version
+  s.summary                = "A library for drawing vector graphics."
+  s.homepage               = "https://reactnative.dev/"
+  s.license                = package["license"]
+  s.author                 = "Facebook, Inc. and its affiliates"
+  s.platforms              = { :ios => "10.0", :tvos => "10.0" }
+  s.source                 = source
+  s.source_files           = "**/*.{m}"
+  s.preserve_paths         = "package.json", "LICENSE", "LICENSE-docs"
+  s.header_dir             = "ART"
+
+  s.dependency "React-Core/ARTHeaders", version
+end

node_modules/react-native/Libraries/ART/ViewManagers/ARTGroupManager.h

@@ -0,0 +1,12 @@
+/*
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#import "ARTNodeManager.h"
+
+@interface ARTGroupManager : ARTNodeManager
+
+@end

node_modules/react-native/Libraries/ART/ViewManagers/ARTGroupManager.m

@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#import <React/ARTGroupManager.h>
+
+#import <React/ARTGroup.h>
+#import "RCTConvert+ART.h"
+
+@implementation ARTGroupManager
+
+RCT_EXPORT_MODULE()
+
+- (ARTNode *)node
+{
+  return [ARTGroup new];
+}
+
+RCT_EXPORT_VIEW_PROPERTY(clipping, CGRect)
+
+@end

node_modules/react-native/Libraries/ART/ViewManagers/ARTNodeManager.h

@@ -0,0 +1,16 @@
+/*
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#import <React/RCTViewManager.h>
+
+@class ARTNode;
+
+@interface ARTNodeManager : RCTViewManager
+
+- (ARTNode *)node;
+
+@end

node_modules/react-native/Libraries/ART/ViewManagers/ARTNodeManager.m

@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#import <React/ARTNodeManager.h>
+
+#import <React/ARTNode.h>
+
+@implementation ARTNodeManager
+
+RCT_EXPORT_MODULE()
+
+- (ARTNode *)node
+{
+  return [ARTNode new];
+}
+
+- (UIView *)view
+{
+  return [self node];
+}
+
+- (RCTShadowView *)shadowView
+{
+  return nil;
+}
+
+RCT_EXPORT_VIEW_PROPERTY(opacity, CGFloat)
+RCT_EXPORT_VIEW_PROPERTY(transform, CGAffineTransform)
+
+@end

node_modules/react-native/Libraries/ART/ViewManagers/ARTRenderableManager.h

@@ -0,0 +1,15 @@
+/*
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#import "ARTNodeManager.h"
+#import "ARTRenderable.h"
+
+@interface ARTRenderableManager : ARTNodeManager
+
+- (ARTRenderable *)node;
+
+@end

node_modules/react-native/Libraries/ART/ViewManagers/ARTRenderableManager.m

@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#import <React/ARTRenderableManager.h>
+
+#import "RCTConvert+ART.h"
+
+@implementation ARTRenderableManager
+
+RCT_EXPORT_MODULE()
+
+- (ARTRenderable *)node
+{
+  return [ARTRenderable new];
+}
+
+RCT_EXPORT_VIEW_PROPERTY(strokeWidth, CGFloat)
+RCT_EXPORT_VIEW_PROPERTY(strokeCap, CGLineCap)
+RCT_EXPORT_VIEW_PROPERTY(strokeJoin, CGLineJoin)
+RCT_EXPORT_VIEW_PROPERTY(fill, ARTBrush)
+RCT_EXPORT_VIEW_PROPERTY(stroke, CGColor)
+RCT_EXPORT_VIEW_PROPERTY(strokeDash, ARTCGFloatArray)
+
+@end

node_modules/react-native/Libraries/ART/ViewManagers/ARTShapeManager.h

@@ -0,0 +1,12 @@
+/*
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#import "ARTRenderableManager.h"
+
+@interface ARTShapeManager : ARTRenderableManager
+
+@end

node_modules/react-native/Libraries/ART/ViewManagers/ARTShapeManager.m

@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#import <React/ARTShapeManager.h>
+
+#import <React/ARTShape.h>
+#import "RCTConvert+ART.h"
+
+@implementation ARTShapeManager
+
+RCT_EXPORT_MODULE()
+
+- (ARTRenderable *)node
+{
+  return [ARTShape new];
+}
+
+RCT_EXPORT_VIEW_PROPERTY(d, CGPath)
+
+@end

node_modules/react-native/Libraries/ART/ViewManagers/ARTSurfaceViewManager.h

@@ -0,0 +1,12 @@
+/*
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#import <React/RCTViewManager.h>
+
+@interface ARTSurfaceViewManager : RCTViewManager
+
+@end

node_modules/react-native/Libraries/ART/ViewManagers/ARTSurfaceViewManager.m

@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#import <React/ARTSurfaceViewManager.h>
+
+#import <React/ARTSurfaceView.h>
+
+@implementation ARTSurfaceViewManager
+
+RCT_EXPORT_MODULE()
+
+- (UIView *)view
+{
+  return [ARTSurfaceView new];
+}
+
+@end

node_modules/react-native/Libraries/ART/ViewManagers/ARTTextManager.h

@@ -0,0 +1,12 @@
+/*
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#import "ARTRenderableManager.h"
+
+@interface ARTTextManager : ARTRenderableManager
+
+@end

node_modules/react-native/Libraries/ART/ViewManagers/ARTTextManager.m

@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#import <React/ARTTextManager.h>
+
+#import <React/ARTText.h>
+#import "RCTConvert+ART.h"
+
+@implementation ARTTextManager
+
+RCT_EXPORT_MODULE()
+
+- (ARTRenderable *)node
+{
+  return [ARTText new];
+}
+
+RCT_EXPORT_VIEW_PROPERTY(alignment, CTTextAlignment)
+RCT_REMAP_VIEW_PROPERTY(frame, textFrame, ARTTextFrame)
+
+@end