From 4aa44a0b9159300c24db4786a3cf2e4198f168f1 Mon Sep 17 00:00:00 2001
From: Tim Redfern <tim@eclectronics.org>
Date: Tue, 28 May 2013 16:41:00 +0100
Subject: adding palete manipulation

---
 bin/data/bw.xml |  5 +++++
 config.make     |  2 +-
 src/testApp.cpp | 18 ++++++++++++++++++
 src/testApp.h   | 13 ++++++++++++-
 src/viewport.h  | 19 ++++++++++++++++++-
 5 files changed, 54 insertions(+), 3 deletions(-)
 create mode 100644 bin/data/bw.xml

diff --git a/bin/data/bw.xml b/bin/data/bw.xml
new file mode 100644
index 0000000..f8fd527
--- /dev/null
+++ b/bin/data/bw.xml
@@ -0,0 +1,5 @@
+<?xml version='1.0' encoding='utf-8'?>
+<palette name="b&w">
+  <colour hex="FFFFFF"/>
+  <colour hex="000000"/>
+</palette>
diff --git a/config.make b/config.make
index 5bfa48a..85e8c5d 100755
--- a/config.make
+++ b/config.make
@@ -17,7 +17,7 @@ USER_CFLAGS = -std=c++11
 # for example libraries like:
 # USER_LDFLAGS = libs/libawesomelib.a
 
-USER_LDFLAGS =
+USER_LDFLAGS = -lX11
 
 
 EXCLUDE_FROM_SOURCE="bin,.xcodeproj,obj"
diff --git a/src/testApp.cpp b/src/testApp.cpp
index bc2fe0e..c7bf35a 100755
--- a/src/testApp.cpp
+++ b/src/testApp.cpp
@@ -11,6 +11,9 @@ void previewWindow::draw(){
 	for (auto i:parent->viewports) i.draw(parent->brightSlider);
 
 }
+void previewWindow::dragEvent(ofDragInfo dragInfo, ofxFenster* win){
+    parent->dragEvent(dragInfo);
+}
 //--------------------------------------------------------------
 guiWindow::~guiWindow(){
 	cout << "gui window destroyed" << endl;
@@ -24,6 +27,9 @@ void guiWindow::draw(){
 	parent->gui.draw();
 
 }
+void guiWindow::dragEvent(ofDragInfo dragInfo, ofxFenster* win){
+    parent->dragEvent(dragInfo);
+}
 //--------------------------------------------------------------
 void testApp::create1port(bool & pressed){
 	if (!pressed) return;
@@ -220,6 +226,18 @@ void testApp::gotMessage(ofMessage msg){
 }
 
 //--------------------------------------------------------------
+void testApp::dragEvent(ofDragInfo dragInfo, ofxFenster* win){
+    dragEvent(dragInfo);
+}
+void testApp::dragEvent(ofDragInfo dragInfo){
+    printf("got draginfo: %s\n",dragInfo.files[0].c_str());
+    int sta=dragInfo.files[0].find_last_of("\\/")+1;
+    int len=(dragInfo.files[0].find_last_of(".")+4)-sta;
+	string filename=dragInfo.files[0].substr(sta,len);
+	printf("loading %s\n",filename.c_str());
+
+	if (filename.length()) control.loadpalette(filename);
+}
 
 
 void testApp::mousePressedEvent(ofMouseEventArgs &args) {
diff --git a/src/testApp.h b/src/testApp.h
index cc46dfc..376cdee 100755
--- a/src/testApp.h
+++ b/src/testApp.h
@@ -12,7 +12,10 @@
 class previewWindow;
 class guiWindow;
 
-//#define GRAB_TEXTURE
+//load palettes and interpolate them with phase
+//some audio drawing
+//some actual drawing
+//transitions
 
 class testApp : public ofxFensterListener {
 
@@ -35,6 +38,8 @@ class testApp : public ofxFensterListener {
 		void mousePressedEvent(ofMouseEventArgs &args);
 		void keyPressedEvent(ofKeyEventArgs &args);
 		void windowEvent(ofResizeEventArgs &args);
+		void dragEvent(ofDragInfo dragInfo);
+		void dragEvent(ofDragInfo dragInfo,ofxFenster* win);
 
 		void toggleFPS();
 		bool showFPS;
@@ -72,6 +77,10 @@ class testApp : public ofxFensterListener {
 		vector<viewport> viewports;
 		vpcontrol control;
 		int windowsize;
+
+		vector<ofColor> palette;
+
+		void loadfilepalette(string &palette);
 };
 
 
@@ -82,6 +91,7 @@ public:
 	void setup();
 	void setParent(testApp *p);
 	void draw();
+	void dragEvent(ofDragInfo dragInfo,ofxFenster* win);
 };
 
 class guiWindow: public ofxFensterListener{
@@ -91,6 +101,7 @@ public:
 	void setup();
 	void setParent(testApp *p);
 	void draw();
+	void dragEvent(ofDragInfo dragInfo,ofxFenster* win);
 };
 
 
diff --git a/src/viewport.h b/src/viewport.h
index 9d2b72c..7ab1477 100755
--- a/src/viewport.h
+++ b/src/viewport.h
@@ -2,6 +2,7 @@
 #define VIEWPORT_H
 
 #include "ofMain.h"
+#include "ofxXmlSettings.h"
 
 class vpcontrol {
 	public:
@@ -12,11 +13,27 @@ class vpcontrol {
 			yshift=0;
 			fscale=1.0f;
 		}
+		void loadpalette(string &filename){
+			ofxXmlSettings XML;
+			if( !XML.loadFile(filename) ){
+				printf("unable to load palette file\n");
+			}else{
+				palette.clear();
+				palettename=XML.getAttribute("palette","name","",0);
+				if(XML.pushTag("palette")) {
+					int numCols=XML.getNumTags("colour");
+					for (int i=0;i<numCols;i++) {
+						palette.push_back(ofColor.fromHex(ofFromHex(XML.getAttribute("colour","hex",0x00,0))));
+					}
+				}
+			}
+		}
 		bool fillgrey;
 		float fillgreyfreq;
 		int xshift,yshift;
 		float fscale,scale;
-
+		vector<ofColor> palette;
+		string palettename;
 };
 
 class viewport
-- 
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