Including additional files left out of previous commit

Package.swift

@@ -10,33 +10,49 @@ let platformTargets: [Target] = [
             name: "GPUImage",
             path: "framework/Source",
             exclude: platformExcludes)]
+let platformProducts: [Product] =  [
+        .library(
+            name: "GPUImage",
+            targets: ["GPUImage"]),
+    ]
 #elseif os(Linux)
 // TODO: Add back in RPi support
 // TODO: Move the remote system library packages into this project
 let platformDependencies: [Package.Dependency] = [
     .package(url: "https://github.com/BradLarson/COpenGL.git", from: "1.0.2"), 
     .package(url: "https://github.com/BradLarson/CFreeGLUT.git", from: "1.0.1"), 
     .package(url: "https://github.com/BradLarson/CVideo4Linux.git", from: "1.0.2")]
-let platformExcludes =  ["Apple", "Operations/Shaders", "Linux/RPiRenderWindow.swift", "Linux/OpenGLContext-RPi.swift", "Linux/V4LSupplement"]
+let platformExcludes =  ["Apple", "Operations/Shaders", "Linux/RPiRenderWindow.swift", "Linux/OpenGLContext-RPi.swift", "Linux/V4LSupplement", "Linux/V4LCamera"]
 let platformTargets: [Target] = [
+        .target(
+            name: "lodepng",
+            path: "framework/Packages/lodepng"),
+        .target(
+            name: "GPUImage",
+            dependencies: ["lodepng"],
+            path: "framework/Source",
+            exclude: platformExcludes),
         .target(
             name: "V4LSupplement",
             path: "framework/Source/Linux/V4LSupplement"),
         .target(
+            name: "GPUImageV4LCamera",
+            dependencies: ["GPUImage", "V4LSupplement"],
+            path: "framework/Source/Linux/V4LCamera")]
+let platformProducts: [Product] =  [
+        .library(
             name: "GPUImage",
-            dependencies: ["V4LSupplement"],
-            path: "framework/Source",
-            exclude: platformExcludes)]
+            targets: ["GPUImage"]),
+        .library(
+            name: "GPUImageV4LCamera",
+            targets: ["GPUImageV4LCamera"]),
+    ]
 #endif
 
 
 let package = Package(
     name: "GPUImage",
-    products: [
-        .library(
-            name: "GPUImage",
-            targets: ["GPUImage"]),
-    ],
+    products: platformProducts,
     dependencies: platformDependencies,
     targets: platformTargets,
     swiftLanguageVersions: [.v4]

examples/Linux-OpenGL/SimpleVideoFilter/Package.swift

@@ -10,7 +10,7 @@ let package = Package(
     targets: [
         .target(
             name: "SimpleVideoFilter",
-            dependencies: ["GPUImage"],
+            dependencies: ["GPUImage", "GPUImageV4LCamera"],
             path: "Sources")
     ]
 )

examples/Linux-OpenGL/SimpleVideoFilter/Sources/main.swift

@@ -1,4 +1,5 @@
 import GPUImage
+import GPUImageV4LCamera
 
 // For now, GLUT initialization is done in the render window, so that must come first in sequence
 let renderWindow = GLUTRenderWindow(width:1280, height:720, title:"Simple Video Filter")
@@ -8,4 +9,4 @@ let edgeDetection = SobelEdgeDetection()
 camera --> edgeDetection --> renderWindow
 
 camera.startCapture()
-renderWindow.loopWithFunction(camera.grabFrame)
+renderWindow.loopWithFunction(camera.grabFrame)

framework/Source/Framebuffer.swift

@@ -116,15 +116,15 @@ public class Framebuffer {
         }
     }
 
-    func sizeForTargetOrientation(_ targetOrientation:ImageOrientation) -> GLSize {
+    public func sizeForTargetOrientation(_ targetOrientation:ImageOrientation) -> GLSize {
         if self.orientation.rotationNeededForOrientation(targetOrientation).flipsDimensions() {
             return GLSize(width:size.height, height:size.width)
         } else {
             return size
         }
     }
 
-    func aspectRatioForRotation(_ rotation:Rotation) -> Float {
+    public func aspectRatioForRotation(_ rotation:Rotation) -> Float {
         if rotation.flipsDimensions() {
             return Float(size.width) / Float(size.height)
         } else {

framework/Source/Linux/OpenGLContext.swift

@@ -2,7 +2,7 @@ import COpenGL
 import Dispatch
 
 public class OpenGLContext: SerialDispatch {
-    lazy var framebufferCache:FramebufferCache = {
+    public lazy var framebufferCache:FramebufferCache = {
         return FramebufferCache(context:self)
     }()
     var shaderCache:[String:ShaderProgram] = [:]