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Adds rendering to C4View and C4Shape #598

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Merged
merged 1 commit into from
Jan 17, 2016
Merged

Adds rendering to C4View and C4Shape #598

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55 changes: 55 additions & 0 deletions C4/UI/C4View+Render.swift
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Original file line number Diff line number Diff line change
@@ -0,0 +1,55 @@
// Copyright © 2014 C4
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions: The above copyright
// notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.

import UIKit

public extension C4View {
public func render() -> C4Image? {
guard let l = layer else {
print("Could not retrieve layer for current object: \(self)")
return nil
}
UIGraphicsBeginImageContextWithOptions(CGSize(size), false, UIScreen.mainScreen().scale)
let context = UIGraphicsGetCurrentContext()!
l.renderInContext(context)
let uiimage = UIGraphicsGetImageFromCurrentImageContext()
UIGraphicsEndImageContext();
return C4Image(uiimage: uiimage)
}
}

public extension C4Shape {
public override func render() -> C4Image? {
var s = CGSize(size)
var inset: CGFloat = 0
if lineWidth > 0 && strokeColor?.alpha > 0.0 {
inset = CGFloat(lineWidth/2.0)
s = CGRectInset(CGRect(frame), -inset, -inset).size
}

let scale = CGFloat(UIScreen.mainScreen().scale)
UIGraphicsBeginImageContextWithOptions(s, false, scale)
let context = UIGraphicsGetCurrentContext()!
CGContextTranslateCTM(context, CGFloat(-bounds.origin.x)+inset, CGFloat(-bounds.origin.y)+inset)
shapeLayer.renderInContext(context)
let uiimage = UIGraphicsGetImageFromCurrentImageContext()
UIGraphicsEndImageContext();
return C4Image(uiimage: uiimage)
}
}
4 changes: 4 additions & 0 deletions C4iOS.xcodeproj/project.pbxproj
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,7 @@
/* Begin PBXBuildFile section */
1F754DCB1C48EE600036D39F /* C4ImageLayer.swift in Sources */ = {isa = PBXBuildFile; fileRef = 1F754DCA1C48EE600036D39F /* C4ImageLayer.swift */; };
1F8252CC1BB3C65E0090E98A /* C4Timer.swift in Sources */ = {isa = PBXBuildFile; fileRef = 1F8252CB1BB3C65E0090E98A /* C4Timer.swift */; };
1F8A2FEB1C4C24FD0087063A /* C4View+Render.swift in Sources */ = {isa = PBXBuildFile; fileRef = 1F8A2FEA1C4C24FD0087063A /* C4View+Render.swift */; };
61BBAF631BC372BD00A03FD0 /* C4StoredAnimation.swift in Sources */ = {isa = PBXBuildFile; fileRef = 61BBAF621BC372BD00A03FD0 /* C4StoredAnimation.swift */; };
61BBAF651BC38C1200A03FD0 /* C4View+KeyValues.swift in Sources */ = {isa = PBXBuildFile; fileRef = 61BBAF641BC38C1200A03FD0 /* C4View+KeyValues.swift */; };
A94E3BD419E0E9390039A9C4 /* C4.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 614F824319DB5ED3001DF1D4 /* C4.framework */; };
Expand Down Expand Up @@ -125,6 +126,7 @@
/* Begin PBXFileReference section */
1F754DCA1C48EE600036D39F /* C4ImageLayer.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = C4ImageLayer.swift; sourceTree = "<group>"; };
1F8252CB1BB3C65E0090E98A /* C4Timer.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = C4Timer.swift; sourceTree = "<group>"; };
1F8A2FEA1C4C24FD0087063A /* C4View+Render.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = "C4View+Render.swift"; sourceTree = "<group>"; };
1F8CB1D91A05781700A20783 /* C4RectTests.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = C4RectTests.swift; sourceTree = "<group>"; };
614F824319DB5ED3001DF1D4 /* C4.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = C4.framework; sourceTree = BUILT_PRODUCTS_DIR; };
614F824E19DB5ED4001DF1D4 /* C4Tests.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = C4Tests.xctest; sourceTree = BUILT_PRODUCTS_DIR; };
Expand Down Expand Up @@ -360,6 +362,7 @@
A9D4F69A1B534F9F00F937AB /* C4View+Border.swift */,
A9D4F69B1B534F9F00F937AB /* C4View+Shadow.swift */,
A9D4F69C1B534F9F00F937AB /* C4View.swift */,
1F8A2FEA1C4C24FD0087063A /* C4View+Render.swift */,
61BBAF641BC38C1200A03FD0 /* C4View+KeyValues.swift */,
A9D4F69D1B534F9F00F937AB /* C4ViewAnimation.swift */,
A9D4F69E1B534F9F00F937AB /* C4Wedge.swift */,
Expand Down Expand Up @@ -584,6 +587,7 @@
A9D4F6AD1B534F9F00F937AB /* C4Color.swift in Sources */,
A9D4F6C51B534F9F00F937AB /* C4Image+Filter.swift in Sources */,
A9D4F6BF1B534F9F00F937AB /* C4Curve.swift in Sources */,
1F8A2FEB1C4C24FD0087063A /* C4View+Render.swift in Sources */,
A9D4F6BC1B534F9F00F937AB /* C4AudioPlayer.swift in Sources */,
A9D4F6B21B534F9F00F937AB /* C4Path.swift in Sources */,
A9D4F6D71B534F9F00F937AB /* C4View.swift in Sources */,
Expand Down