progress at term deadline

Lab6/main.cpp

@@ -17,12 +17,47 @@
 #include "mydrawing.h"
 using namespace std;
 
+Image boatScene;
+
+void buildBoat(){
+
+	cout << "Build Boat" << endl;
+
+	// Boat
+	boatScene.add(new Line(250,500,550,500,GraphicsContext::YELLOW));
+	boatScene.add(new Line(250,500,150,400,GraphicsContext::YELLOW));
+	boatScene.add(new Line(150,400,650,400,GraphicsContext::YELLOW));
+	boatScene.add(new Line(650,400,550,500,GraphicsContext::YELLOW));
+	boatScene.add(new Line(400,400,400,100,GraphicsContext::YELLOW));
+	
+	// Sail
+	boatScene.add(new Triangle(400,100,300,150,400,200,GraphicsContext::YELLOW));
+	
+	// Waves
+	boatScene.add(new Line(0,550,100,450,GraphicsContext::BLUE));
+	boatScene.add(new Line(100,450,100,550,GraphicsContext::BLUE));
+	boatScene.add(new Line(100,550,200,450,GraphicsContext::BLUE));
+	boatScene.add(new Line(200,450,200,550,GraphicsContext::BLUE));
+	boatScene.add(new Line(200,550,300,450,GraphicsContext::BLUE));
+	boatScene.add(new Line(300,450,300,550,GraphicsContext::BLUE));
+	boatScene.add(new Line(300,550,400,450,GraphicsContext::BLUE));
+	boatScene.add(new Line(400,450,400,550,GraphicsContext::BLUE));
+	boatScene.add(new Line(400,550,500,450,GraphicsContext::BLUE));
+	boatScene.add(new Line(500,450,500,550,GraphicsContext::BLUE));
+	boatScene.add(new Line(500,550,600,450,GraphicsContext::BLUE));
+	boatScene.add(new Line(600,450,600,550,GraphicsContext::BLUE));
+	boatScene.add(new Line(600,550,700,450,GraphicsContext::BLUE));
+	boatScene.add(new Line(700,450,700,550,GraphicsContext::BLUE));
+	boatScene.add(new Line(700,550,800,450,GraphicsContext::BLUE));
+}
+
 int main(void){
 
     GraphicsContext* gc = new X11Context(800,600,GraphicsContext::BLACK);
     gc->setColor(GraphicsContext::GREEN);
 
     MyDrawing md;
+    md.paint(gc);
 
     gc->runLoop(&md);
     

Lab6/mydrawing.cpp

@@ -1,5 +1,4 @@
 #include "mydrawing.h"
-//#include <iostream>
 
 using namespace std;
 MyDrawing::MyDrawing()
@@ -124,3 +123,4 @@ void setLargePixel(GraphicsContext *gc, int x, int y)
     gc->setPixel(x - 1, y - 1);
     gc->setPixel(x, y - 1);
     gc->setPixel(x + 1, y - 1);
+}

Lab6/mydrawing.h

@@ -3,9 +3,7 @@
 
 #include <iostream>
 #include "drawbase.h"
-#include "gcontext.h"
 #include "image.h"
-#include "matrix.h"
 using namespace std;
 
 class MyDrawing: public DrawingBase{

Lab6/shape.h

@@ -13,8 +13,7 @@
 #include <iostream>
 #include "x11context.h"
 #include "matrix.h"
-#include "mydrawing.h"
+#include "viewcontext.h"
-//#include "viewcontext.h"
 
 using namespace std;
 

Lab6/viewcontext.cpp

@@ -1,11 +1,72 @@
 // - ViewContext Class - 
 
+#include <cmath>
 #include "viewcontext.h"
 
-ViewContext::ViewContext(){
+ViewContext::ViewContext(int width, int height){
-    compMatrix = new Matrix(3,3);
+    compMatrix = new Matrix(4,4);
+    prevTransform = new Matrix(4,4);
 }
 
-void ViewContext::model_to_device(){
+void ViewContext::model_to_device(Matrix* coord){
+    (*coord) = (*compMatrix)*(*coord);
+}
+
+void ViewContext::rotate(int deg){
+    // Store previous transform
+    *prevTransform = *compMatrix;
+    Matrix temp = Matrix::identity(4);
+    // Input transformation
+    temp[0][0] = cos(deg*M_PI/180);
+    temp[0][1] = sin(deg*M_PI/180);
+    temp[1][0] = -sin(deg*M_PI/180);
+    temp[1][0] = cos(deg*M_PI/180);
+    // Add transformation to comp matrix
+    *compMatrix = temp*(*compMatrix);
+}
+    
+    // Scaling - Around center of screen
+void ViewContext::scale(int mult){
+    // Store previous transform
+    *prevTransform = *compMatrix;
+    // Create identity matrix
+    Matrix temp = Matrix::identity(4);
+    // Input transformation
+    temp[0][0] = mult;
+    temp[1][1] = mult;
+    temp[2][2] = mult;
+    // Add transformation to comp matrix
+    *compMatrix = temp*(*compMatrix);
+}
+
+// Translation
+void ViewContext::translate(int dx, int dy, int dz){
+    // Store previous transform
+    *prevTransform = *compMatrix;
+    Matrix temp = Matrix::identity(4);
+    // Input transformation
+    temp[0][3] = dx;
+    temp[1][3] = dy;
+    temp[2][3] = dz;
+    // Add transformation to comp matrix
+    *compMatrix = temp*(*compMatrix);
+}
+// Reset
+void ViewContext::reset(){
+    *compMatrix = (Matrix::identity(4))*(*compMatrix);
+}
+
+// Undo
+void ViewContext::undo(Matrix* coord){
+    // Use temp to store current trans
+    Matrix temp = Matrix::identity(4);
+    
+    (*coord) = (*prevTransform)*(*coord);
+    *prevTransform = temp;
 
 }
+
+// Invert Colors
+// void ViewContext::invert(){
+
+// }

Lab6/viewcontext.h

@@ -5,15 +5,41 @@
 
 
 class ViewContext{
-        ViewContext();
+    public:
-        void model_to_device();
+    // Contructor - takes in current window width and height to account for origin
+    ViewContext(int width, int height);
+    // Destructor
+    ~ViewContext();
+    
+    void model_to_device(Matrix* coord);
+    // Rotation - Around center of screen
+    void rotate(int deg);
+    
+    // Scaling - Around center of screen
+    void scale(int mult);
+    
+    // Translation
+    void translate(int dx, int dy, int dz);
+
+    // Reset
+    void reset();
+
+    // Undo previous transform
+    void undo(Matrix* coord);
+
+    // Invert Colors
+    //void invert();
+
+    private:
+    // Window pixel width
+    int width;
+    // Window pixel height
+    int height;
+    // Matrix containing the composite of all current transformations
+    Matrix* compMatrix;
+    // Matrix containing the previous transformation
+    Matrix* prevTransform;
     
-        // Rotation - Around center of screen
-        // Scaling - Around center of screen
-        // Translation
-        // Reset
-        // Invert Colors
-        Matrix* compMatrix;
 };
 
 #endif