moving opengl into the core

core/src/processing/opengl/PGraphics2D.java

@@ -0,0 +1,552 @@
+/* -*- mode: java; c-basic-offset: 2; indent-tabs-mode: nil -*- */
+
+/*
+  Part of the Processing project - http://processing.org
+
+  Copyright (c) 2012 Ben Fry and Casey Reas
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License version 2.1 as published by the Free Software Foundation.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General
+  Public License along with this library; if not, write to the
+  Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+  Boston, MA  02111-1307  USA
+ */
+
+package processing.opengl;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.zip.GZIPInputStream;
+
+import processing.core.PApplet;
+import processing.core.PGraphics;
+import processing.core.PMatrix3D;
+import processing.core.PShape;
+import processing.core.PShapeSVG;
+import processing.data.XML;
+
+public class PGraphics2D extends PGraphicsOpenGL {
+  
+  public PGraphics2D() {
+    super();
+    hints[ENABLE_PERSPECTIVE_CORRECTED_LINES] = false;
+  }
+  
+
+  //////////////////////////////////////////////////////////////
+
+  // RENDERER SUPPORT QUERIES
+  
+  
+  public boolean is2D() {
+    return true;
+  }
+
+  
+  public boolean is3D() {
+    return false;
+  }  
+  
+  
+  //////////////////////////////////////////////////////////////
+
+  // HINTS
+
+  
+  public void hint(int which) {
+    if (which == ENABLE_PERSPECTIVE_CORRECTED_LINES) {
+      showWarning("2D lines cannot be perspective-corrected.");
+      return;
+    }
+    super.hint(which);
+  }
+
+  
+  //////////////////////////////////////////////////////////////
+
+  // PROJECTION
+  
+  
+  public void ortho() {
+    showMethodWarning("ortho");
+  }
+  
+  
+  public void ortho(float left, float right,
+                    float bottom, float top) {
+    showMethodWarning("ortho");
+  }
+  
+  
+  public void ortho(float left, float right,
+                    float bottom, float top,
+                    float near, float far) {
+    showMethodWarning("ortho");
+  }
+  
+  
+  public void perspective() {
+    showMethodWarning("perspective");
+  }  
+  
+  
+  public void perspective(float fov, float aspect, float zNear, float zFar) {
+    showMethodWarning("perspective");
+  }
+  
+  
+  public void frustum(float left, float right, float bottom, float top,
+                      float znear, float zfar) {
+    showMethodWarning("frustum");
+  }
+  
+  
+  protected void defaultPerspective() {    
+    super.ortho(-width/2, +width/2, -height/2, +height/2, -1, +1);
+  }
+  
+  
+  //////////////////////////////////////////////////////////////
+
+  // CAMERA
+  
+  
+  public void beginCamera() {
+    showMethodWarning("beginCamera");
+  }
+  
+  
+  public void endCamera() {
+    showMethodWarning("endCamera");
+  }
+  
+  
+  public void camera() {
+    showMethodWarning("camera");
+  }
+  
+  
+  public void camera(float eyeX, float eyeY, float eyeZ,
+                     float centerX, float centerY, float centerZ,
+                     float upX, float upY, float upZ) {
+    showMethodWarning("camera");
+  }
+  
+
+  protected void defaultCamera() {  
+    super.camera(width/2, height/2);
+  }
+  
+  
+  //////////////////////////////////////////////////////////////
+
+  // MATRIX MORE!
+  
+  
+  protected void begin2D() {
+    pushProjection();
+    defaultPerspective();
+    pushMatrix();
+    defaultCamera();    
+  }
+  
+
+  protected void end2D() {
+    popMatrix();
+    popProjection();    
+  }  
+
+  
+  //////////////////////////////////////////////////////////////
+
+  // SHAPE
+  
+  
+  public void shape(PShape shape) {
+    if (shape.is2D()) {
+      super.shape(shape);
+    } else {
+      showWarning("The shape object is not 2D, cannot be displayed with this renderer"); 
+    }
+  }
+  
+  
+  public void shape(PShape shape, float x, float y) {
+    if (shape.is2D()) {
+      super.shape(shape, x, y);
+    } else {
+      showWarning("The shape object is not 2D, cannot be displayed with this renderer"); 
+    }    
+  }
+  
+  
+  public void shape(PShape shape, float a, float b, float c, float d) {
+    if (shape.is2D()) {
+      super.shape(shape, a, b, c, d);
+    } else {
+      showWarning("The shape object is not 2D, cannot be displayed with this renderer"); 
+    }     
+  }
+  
+  
+  public void shape(PShape shape, float x, float y, float z) {
+    showDepthWarningXYZ("shape");  
+  }
+  
+  
+  public void shape(PShape shape, float x, float y, float z, float c, float d, float e) {
+    showDepthWarningXYZ("shape"); 
+  }
+  
+  
+  //////////////////////////////////////////////////////////////
+
+  // SHAPE I/O
+  
+  
+  static protected boolean isSupportedExtension(String extension) {
+    return extension.equals("svg") || extension.equals("svgz");
+  }
+
+
+  static protected PShape2D loadShapeImpl(PGraphics pg, String filename, String extension) {
+    PShapeSVG svg = null;
+    
+    if (extension.equals("svg")) {
+      svg = new PShapeSVG(pg.parent, filename);
+
+    } else if (extension.equals("svgz")) {
+      try {
+        InputStream input = new GZIPInputStream(pg.parent.createInput(filename));
+        XML xml = new XML(PApplet.createReader(input));
+        svg = new PShapeSVG(xml);
+      } catch (IOException e) {
+        e.printStackTrace();
+      }
+    }
+      
+    if (svg != null) {
+      PShape2D p2d = PShape2D.createShape(pg.parent, svg);  
+      return p2d;
+    } else {
+      return null;
+    }
+  }
+  
+
+  //////////////////////////////////////////////////////////////
+
+  // SHAPE CREATION
+  
+  
+  public PShape createShape(PShape source) {
+    return PShape2D.createShape(parent, source);    
+  }
+
+  
+  public PShape createShape() {
+    return createShape(POLYGON);
+  }
+
+
+  public PShape createShape(int type) {
+    return createShapeImpl(parent, type);
+  }
+  
+  
+  public PShape createShape(int kind, float... p) {
+    return createShapeImpl(parent, kind, p);  
+  }
+  
+    
+  static protected PShape2D createShapeImpl(PApplet parent, int type) {
+    PShape2D shape = null;
+    if (type == PShape.GROUP) {
+      shape = new PShape2D(parent, PShape.GROUP);
+    } else if (type == PShape.PATH) {
+      shape = new PShape2D(parent, PShape.PATH);
+    } else if (type == POINTS) {
+      shape = new PShape2D(parent, PShape.GEOMETRY);
+      shape.setKind(POINTS);
+    } else if (type == LINES) {
+      shape = new PShape2D(parent, PShape.GEOMETRY);
+      shape.setKind(LINES);
+    } else if (type == TRIANGLE || type == TRIANGLES) {
+      shape = new PShape2D(parent, PShape.GEOMETRY);
+      shape.setKind(TRIANGLES);
+    } else if (type == TRIANGLE_FAN) {
+      shape = new PShape2D(parent, PShape.GEOMETRY);
+      shape.setKind(TRIANGLE_FAN);
+    } else if (type == TRIANGLE_STRIP) {
+      shape = new PShape2D(parent, PShape.GEOMETRY);
+      shape.setKind(TRIANGLE_STRIP);
+    } else if (type == QUAD || type == QUADS) {
+      shape = new PShape2D(parent, PShape.GEOMETRY);
+      shape.setKind(QUADS);
+    } else if (type == QUAD_STRIP) {
+      shape = new PShape2D(parent, PShape.GEOMETRY);
+      shape.setKind(QUAD_STRIP);
+    } else if (type == POLYGON) {
+      shape = new PShape2D(parent, PShape.GEOMETRY);
+      shape.setKind(POLYGON);
+    }
+    return shape;
+  }
+
+
+  static protected PShape2D createShapeImpl(PApplet parent, int kind, float... p) {
+    PShape2D shape = null;
+    int len = p.length;
+
+    if (kind == POINT) {
+      if (len != 2) {
+        showWarning("Wrong number of parameters");
+        return null;
+      }
+      shape = new PShape2D(parent, PShape.PRIMITIVE);
+      shape.setKind(POINT);
+    } else if (kind == LINE) {
+      if (len != 4) {
+        showWarning("Wrong number of parameters");
+        return null;
+      }
+      shape = new PShape2D(parent, PShape.PRIMITIVE);
+      shape.setKind(LINE);
+    } else if (kind == TRIANGLE) {
+      if (len != 6) {
+        showWarning("Wrong number of parameters");
+        return null;
+      }
+      shape = new PShape2D(parent, PShape.PRIMITIVE);
+      shape.setKind(TRIANGLE);
+    } else if (kind == QUAD) {
+      if (len != 8) {
+        showWarning("Wrong number of parameters");
+        return null;
+      }
+      shape = new PShape2D(parent, PShape.PRIMITIVE);
+      shape.setKind(QUAD);
+    } else if (kind == RECT) {
+      if (len != 4 && len != 5 && len != 8) {
+        showWarning("Wrong number of parameters");
+        return null;
+      }
+      shape = new PShape2D(parent, PShape.PRIMITIVE);
+      shape.setKind(RECT);
+    } else if (kind == ELLIPSE) {
+      if (len != 4) {
+        showWarning("Wrong number of parameters");
+        return null;
+      }
+      shape = new PShape2D(parent, PShape.PRIMITIVE);
+      shape.setKind(ELLIPSE);
+    } else if (kind == ARC) {
+      if (len != 6) {
+        showWarning("Wrong number of parameters");
+        return null;
+      }
+      shape = new PShape2D(parent, PShape.PRIMITIVE);
+      shape.setKind(ARC);
+    } else if (kind == BOX) {
+      showWarning("Primitive not supported in 2D");
+    } else if (kind == SPHERE) {
+      showWarning("Primitive not supported in 2D");
+    } else {
+      showWarning("Unrecognized primitive type");
+    }
+
+    if (shape != null) {
+      shape.setParams(p);
+    }
+
+    return shape;
+  }  
+    
+  
+  //////////////////////////////////////////////////////////////
+
+  // BEZIER VERTICES
+
+  
+  public void bezierVertex(float x2, float y2, float z2,
+                           float x3, float y3, float z3,
+                           float x4, float y4, float z4) {
+    showDepthWarningXYZ("bezierVertex");
+  }
+  
+  
+  //////////////////////////////////////////////////////////////
+
+  // QUADRATIC BEZIER VERTICES
+
+
+  public void quadraticVertex(float x2, float y2, float z2,
+                         float x4, float y4, float z4) {
+    showDepthWarningXYZ("quadVertex");
+  }  
+  
+  
+  //////////////////////////////////////////////////////////////
+
+  // CURVE VERTICES  
+  
+  
+  public void curveVertex(float x, float y, float z) {
+    showDepthWarningXYZ("curveVertex");
+  }  
+  
+  
+  //////////////////////////////////////////////////////////////
+
+  // BOX
+
+
+  public void box(float w, float h, float d) {
+    showMethodWarning("box");
+  }  
+
+  
+  //////////////////////////////////////////////////////////////
+
+  // SPHERE
+
+
+  public void sphere(float r) {
+    showMethodWarning("sphere");
+  }  
+  
+  
+  //////////////////////////////////////////////////////////////
+
+  // VERTEX SHAPES
+  
+  
+  public void vertex(float x, float y, float z) {
+    showDepthWarningXYZ("vertex");
+  }
+  
+  public void vertex(float x, float y, float z, float u, float v) {
+    showDepthWarningXYZ("vertex");
+  }  
+  
+  //////////////////////////////////////////////////////////////
+
+  // MATRIX TRANSFORMATIONS  
+  
+  public void translate(float tx, float ty, float tz) {
+    showDepthWarningXYZ("translate");
+  }
+  
+  public void rotateX(float angle) {
+    showDepthWarning("rotateX");
+  }
+
+  public void rotateY(float angle) {
+    showDepthWarning("rotateY");
+  }
+
+  public void rotateZ(float angle) {
+    showDepthWarning("rotateZ");
+  }
+
+  public void rotate(float angle, float vx, float vy, float vz) {
+    showVariationWarning("rotate");
+  }  
+  
+  public void applyMatrix(PMatrix3D source) {
+    showVariationWarning("applyMatrix");
+  }
+  
+  public void applyMatrix(float n00, float n01, float n02, float n03,
+                          float n10, float n11, float n12, float n13,
+                          float n20, float n21, float n22, float n23,
+                          float n30, float n31, float n32, float n33) {
+    showVariationWarning("applyMatrix");
+  }  
+  
+  public void scale(float sx, float sy, float sz) {
+    showDepthWarningXYZ("scale");
+  }
+  
+  //////////////////////////////////////////////////////////////
+
+  // SCREEN AND MODEL COORDS  
+  
+  public float screenX(float x, float y, float z) {
+    showDepthWarningXYZ("screenX");
+    return 0;
+  }
+
+  public float screenY(float x, float y, float z) {
+    showDepthWarningXYZ("screenY");
+    return 0;
+  }
+
+  public float screenZ(float x, float y, float z) {
+    showDepthWarningXYZ("screenZ");
+    return 0;
+  }  
+  
+  public PMatrix3D getMatrix(PMatrix3D target) {
+    showVariationWarning("getMatrix");
+    return target;
+  }
+  
+  public void setMatrix(PMatrix3D source) {
+    showVariationWarning("setMatrix");
+  }
+  
+  //////////////////////////////////////////////////////////////  
+
+  // LIGHTS
+
+  public void lights() {
+    showMethodWarning("lights");
+  }
+
+  public void noLights() {
+    showMethodWarning("noLights");
+  }
+
+  public void ambientLight(float red, float green, float blue) {
+    showMethodWarning("ambientLight");
+  }
+
+  public void ambientLight(float red, float green, float blue,
+                           float x, float y, float z) {
+    showMethodWarning("ambientLight");
+  }
+
+  public void directionalLight(float red, float green, float blue,
+                               float nx, float ny, float nz) {
+    showMethodWarning("directionalLight");
+  }
+
+  public void pointLight(float red, float green, float blue,
+                         float x, float y, float z) {
+    showMethodWarning("pointLight");
+  }
+
+  public void spotLight(float red, float green, float blue,
+                        float x, float y, float z,
+                        float nx, float ny, float nz,
+                        float angle, float concentration) {
+    showMethodWarning("spotLight");
+  }
+
+  public void lightFalloff(float constant, float linear, float quadratic) {
+    showMethodWarning("lightFalloff");
+  }
+
+  public void lightSpecular(float v1, float v2, float v3) {
+    showMethodWarning("lightSpecular");
+  }
+}