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processing4/core/PConstants.java

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/* -*- mode: jde; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
Part of the Processing project - http://processing.org
Copyright (c) 2004-05 Ben Fry and Casey Reas
Copyright (c) 2001-04 Massachusetts Institute of Technology
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
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.core;
import java.awt.Cursor;
import java.awt.event.KeyEvent;
/**
* Numbers shared throughout processing.core.
* <P>
* An attempt is made to keep the constants as short/non-verbose
* as possible. For instance, the constant is TIFF instead of
* FILE_TYPE_TIFF. We'll do this as long as we can get away with it.
*/
public interface PConstants {
// renderers known to processing.core
static final String P2D = "processing.core.PGraphics";
static final String P3D = "processing.core.PGraphics3";
static final String JAVA2D = "processing.core.PGraphics2";
static final String OPENGL = "processing.opengl.PGraphicsGL";
// platform IDs for PApplet.platform
static final int WINDOWS = 1;
static final int MACOS9 = 2;
static final int MACOSX = 3;
static final int LINUX = 4;
static final int OTHER = 0;
// for better parity between c++ version (at no speed cost)
static final float EPSILON = 0.0001f;
static final float TWO = 2.0f;
static final float ONE = 1.0f;
static final float HALF = 0.5f;
static final float TFF = 255.0f;
static final float MAX_FLOAT = Float.MAX_VALUE;
// useful goodness
static final float PI = (float) Math.PI;
static final float HALF_PI = PI / 2.0f;
static final float THIRD_PI = PI / 3.0f;
static final float QUARTER_PI = PI / 4.0f;
static final float TWO_PI = PI * 2.0f;
static final float DEG_TO_RAD = PI/180.0f;
static final float RAD_TO_DEG = 180.0f/PI;
// angle modes
static final int RADIANS = 0;
static final int DEGREES = 1;
// used by split, all the standard whitespace chars
// (uncludes unicode nbsp, that little bostage)
static final String WHITESPACE = " \t\n\r\f\u00A0";
// for colors and/or images
static final int RGB = 1; // image & color
static final int ARGB = 2; // image
static final int HSB = 3; // color
static final int ALPHA = 4; // image
// image file types
static final int TIFF = 0;
static final int TARGA = 1;
static final int JPEG = 2;
static final int GIF = 3;
// filter/convert types
static final int BLUR = 11;
static final int GRAY = 12;
static final int INVERT = 13;
static final int OPAQUE = 14;
static final int POSTERIZE = 15;
static final int THRESHOLD = 16;
// blend mode keyword definitions
public final static int REPLACE = 0;
public final static int BLEND = 1 << 0;
public final static int ADD = 1 << 1;
public final static int SUBTRACT = 1 << 2;
public final static int LIGHTEST = 1 << 3;
public final static int DARKEST = 1 << 4;
// incomplete, slated for beta
public final static int DIFFERENCE = 1 << 5;
public final static int MULTIPLY = 1 << 6;
public final static int SCREEN = 1 << 7;
public final static int OVERLAY = 1 << 8;
public final static int HARD_LIGHT = 1 << 9;
public final static int SOFT_LIGHT = 1 << 10;
// colour component bitmasks
public static final int ALPHA_MASK = 0xff000000;
public static final int RED_MASK = 0x00ff0000;
public static final int GREEN_MASK = 0x0000ff00;
public static final int BLUE_MASK = 0x000000ff;
// for messages
static final int CHATTER = 0;
static final int COMPLAINT = 1;
static final int PROBLEM = 2;
// types of projection matrices
static final int CUSTOM = 0; // user-specified fanciness
static final int ORTHOGRAPHIC = 2; // 2D isometric projection
static final int PERSPECTIVE = 3; // perspective matrix
// rendering settings
static final float PIXEL_CENTER = 0.5f; // for polygon aa
// shapes
// the low four bits set the variety,
// higher bits set the specific shape type
static final int POINTS = (1 << 4) | 0;
static final int LINES = (1 << 5) | 0;
static final int LINE_STRIP = (1 << 5) | 1;
static final int LINE_LOOP = (1 << 5) | 2;
static final int TRIANGLES = (1 << 6) | 0;
static final int TRIANGLE_STRIP = (1 << 6) | 1;
static final int TRIANGLE_FAN = (1 << 6) | 2;
static final int QUADS = (1 << 7) | 0;
static final int QUAD_STRIP = (1 << 7) | 1;
static final int POLYGON = (1 << 8) | 0;
//static final int CONCAVE_POLYGON = (1 << 8) | 1;
//static final int CONVEX_POLYGON = (1 << 8) | 2;
// shape modes
static final int CORNER = 0;
static final int CORNERS = 1;
static final int CENTER_RADIUS = 2;
static final int CENTER = 3; // former CENTER_DIAMETER
// uv texture orientation modes
static final int NORMALIZED = 1; //_SPACE = 0; // 0..1
static final int IMAGE = 2;
// text placement modes
//static final int SCREEN = 4; // var SCREEN exists elsewhere
static final int MODEL = 3;
// text alignment modes
// are inherited from LEFT, CENTER, RIGHT
// stroke modes
static final int SQUARE = 1 << 0;
static final int ROUND = 1 << 1;
static final int PROJECT = 1 << 2;
//static final int CAP_MASK = SQUARE | ROUND | PROJECT;
static final int MITER = 1 << 3;
//static final int ROUND = 1 << 4;
static final int BEVEL = 1 << 5;
//static final int JOIN_MASK = MITERED | ROUND | BEVELED;
// lighting
static final int AMBIENT = 0;
static final int DIRECTIONAL = 1;
static final int POINT = 2;
static final int SPOT = 3;
// net
//static final int CLIENT = 0;
//static final int SERVER = 1;
// key constants
// only including the most-used of these guys
// if people need more esoteric keys, they can learn about
// the esoteric java KeyEvent api and of virtual keys
// both key and keyCode will equal these values
static final int BACKSPACE = 8;
static final int TAB = 9;
static final int ENTER = 10;
static final int RETURN = 13;
static final int ESC = 27;
static final int DELETE = 127;
// i.e. if ((key == CODED) && (keyCode == UP))
static final int CODED = 0xffff;
// key will be CODED and keyCode will be this value
static final int UP = KeyEvent.VK_UP;
static final int DOWN = KeyEvent.VK_DOWN;
static final int LEFT = KeyEvent.VK_LEFT;
static final int RIGHT = KeyEvent.VK_RIGHT;
// key will be CODED and keyCode will be this value
static final int ALT = KeyEvent.VK_ALT;
static final int CONTROL = KeyEvent.VK_CONTROL;
static final int SHIFT = KeyEvent.VK_SHIFT;
// cursor types
static final int ARROW = Cursor.DEFAULT_CURSOR;
static final int CROSS = Cursor.CROSSHAIR_CURSOR;
static final int HAND = Cursor.HAND_CURSOR;
static final int MOVE = Cursor.MOVE_CURSOR;
static final int TEXT = Cursor.TEXT_CURSOR;
static final int WAIT = Cursor.WAIT_CURSOR;
// hints
static final int SCALE_STROKE_WIDTH = 0;
static final int LIGHTING_AFFECTS_STROKE = 1;
//static final int NEW_GRAPHICS = 2;
static final int DISABLE_TEXT_SMOOTH = 3;
static final int DISABLE_SMOOTH_HACK = 4;
static final int NO_DEPTH_TEST = 5;
static final int NO_FLYING_POO = 6;
static final int DEPTH_SORT = 7;
static final int HINT_COUNT = 8;
//////////////////////////////////////////////////////////////
// FIELDS
// transformed values
// (to be used in rendering)
static final int X = 0; // transformed xyzw
static final int Y = 1; // formerly SX SY SZ
static final int Z = 2;
static final int R = 3; // actual rgb, after lighting
static final int G = 4; // fill stored here, transform in place
static final int B = 5;
static final int A = 6;
// values that need no transformation
// but will be used in rendering
static final int U = 7; // texture
static final int V = 8;
// incoming values, raw and untransformed
// (won't be used in rendering)
static final int MX = 9; // model coords xyz
static final int MY = 10;
static final int MZ = 11;
static final int SR = 12; // stroke colors
static final int SG = 13;
static final int SB = 14;
static final int SA = 15;
static final int SW = 16; // stroke weight
// not used in rendering
// only used for calculating colors
static final int NX = 17; // normal
static final int NY = 18;
static final int NZ = 19;
static final int VX = 20; // view space coords
static final int VY = 21;
static final int VZ = 22;
static final int VW = 23;
// Ambient color (usually to be kept the same as diffuse)
// fill(_) sets both ambient and diffuse.
static final int AR = 24;
static final int AG = 25;
static final int AB = 26;
// Diffuse is shared with fill.
static final int DR = 3;
static final int DG = 4;
static final int DB = 5;
static final int DA = 6;
//specular (by default kept white)
static final int SPR = 27;
static final int SPG = 28;
static final int SPB = 29;
//GL doesn't use a separate specular alpha, but we do (we're better)
static final int SPA = 30;
static final int SHINE = 31;
//emissive (by default kept black)
static final int ER = 32;
static final int EG = 33;
static final int EB = 34;
//has this vertex been lit yet
static final int BEEN_LIT = 35;
static final int VERTEX_FIELD_COUNT = 36;
// line & triangle fields (note how these overlap)
static final int INDEX = 0; // shape index
static final int VERTEX1 = 1;
static final int VERTEX2 = 2;
static final int VERTEX3 = 3; // (triangles only)
static final int TEXTURE_INDEX = 4; // (triangles only)
static final int STROKE_MODE = 3; // (lines only)
static final int STROKE_WEIGHT = 4; // (lines only)
static final int LINE_FIELD_COUNT = 5;
static final int TRIANGLE_FIELD_COUNT = 5;
static final int TRI_DIFFUSE_R = 0;
static final int TRI_DIFFUSE_G = 1;
static final int TRI_DIFFUSE_B = 2;
static final int TRI_DIFFUSE_A = 3;
static final int TRI_SPECULAR_R = 4;
static final int TRI_SPECULAR_G = 5;
static final int TRI_SPECULAR_B = 6;
static final int TRI_SPECULAR_A = 7;
static final int TRIANGLE_COLOR_COUNT = 8;
// normal modes for lighting, these have the uglier naming
// because the constants are never seen by users
/// normal calculated per triangle
static final int AUTO_NORMAL = 0;
/// one normal manually specified per shape
static final int MANUAL_SHAPE_NORMAL = 1;
/// normals specified for each shape vertex
static final int MANUAL_VERTEX_NORMAL = 2;
}
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