Bluecadet Views VideoView DrawMode for unwrapping a video in bands

VideoView-DrawMode.diff

diff --git a/apps/CentralStandard/src/Video/VideoView.cpp b/apps/CentralStandard/src/Video/VideoView.cpp
index c0c574e..750afab 100644
--- a/apps/CentralStandard/src/Video/VideoView.cpp
+++ b/apps/CentralStandard/src/Video/VideoView.cpp
@@ -13,7 +13,7 @@ using namespace bluecadet::utils;
 namespace bluecadet {
 namespace views {
 
-VideoView::VideoView() {
+VideoView::VideoView() : mDrawMode(DrawMode::Normal) {
 	setupShader();
 }
 
@@ -73,6 +73,8 @@ void VideoView::setupShader() {
 		)).fragment(CI_GLSL(150,
 			uniform sampler2DRect uVideoTexture;
 			uniform vec2 uVideoSize;
+			uniform vec2 uCanvasSize;
+			uniform int uVideoDrawMode;
 			in vec4 vColor;
 			in vec2 vTexCoord0;
 
@@ -80,7 +82,22 @@ void VideoView::setupShader() {
 
 			void main() {
 				vec2 texCoord = vec2(vTexCoord0.x, 1.0 - vTexCoord0.y);
-				oFragColor = vColor * texture(uVideoTexture, texCoord * uVideoSize);
+
+				if (uVideoDrawMode == 0) {
+					texCoord *= uVideoSize;
+					oFragColor = vColor * texture(uVideoTexture, texCoord);
+				}
+
+				else if (uVideoDrawMode == 1) {
+					texCoord *= uCanvasSize;
+					vec2 unmappedCoord = texCoord;
+
+					texCoord.x = mod(unmappedCoord.x, uVideoSize.x);
+					texCoord.y += (floor(unmappedCoord.x / uVideoSize.x) * uCanvasSize.y);
+
+					oFragColor = vColor * texture(uVideoTexture, texCoord);
+				}
+				
 			}
 		)));
 	auto geom = geom::Rect(Rectf(vec2(0), vec2(1.0f)));
@@ -99,6 +116,7 @@ void VideoView::draw() {
 		mBatch->getGlslProg()->uniform("uVideoTexture", 0);
 		mBatch->getGlslProg()->uniform("uVideoSize", vec2(mPlayer->getWidth(), mPlayer->getHeight()));
 		mBatch->getGlslProg()->uniform("uCanvasSize", getSize());
+		mBatch->getGlslProg()->uniform("uVideoDrawMode", (int) mDrawMode);
 		mBatch->draw();
 	}
 }
diff --git a/apps/CentralStandard/src/Video/VideoView.h b/apps/CentralStandard/src/Video/VideoView.h
index a27a135..221f89d 100644
--- a/apps/CentralStandard/src/Video/VideoView.h
+++ b/apps/CentralStandard/src/Video/VideoView.h
@@ -17,6 +17,11 @@ class VideoView : public bluecadet::views::BaseView {
 public:
 	VideoView();
 	~VideoView();
+
+	enum class DrawMode {
+		Normal,
+		Unwrap
+	};
 	
 	//! Loads the video. If key and path are empty, the existing key/path are used.
 	//! If a video for key already exists in the VideoManager, path can be left empty.
@@ -29,6 +34,9 @@ public:
 	void setAutoResize(const bool value) { mAutoResize = value; }
 	bool getAutoResize() const { return mAutoResize; }
 
+	void setDrawMode(const DrawMode mode) { mDrawMode = mode; }
+	DrawMode getDrawMode(const DrawMode mode) { return mDrawMode; }
+
 	const std::string & getKey() const { return mKey; }
 
 protected:
@@ -37,6 +45,7 @@ protected:
 	void draw() override;
 
 	bool							mAutoResize = true;
+	DrawMode						mDrawMode;
 
 	ciWMFVideoPlayerRef				mPlayer;
 	ci::gl::BatchRef				mBatch;