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processing4/core/PConstants.java

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/* -*- mode: jde; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
PConstants - numbers shared throughout processing.core
Part of the Processing project - http://processing.org
Except where noted, code is written by Ben Fry and
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;
public interface PConstants {
// 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;
// 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 RGBA = 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 BLACK_WHITE = 0;
static final int GRAYSCALE = 1;
static final int BLUR = 2;
static final int GAUSSIAN_BLUR = 3;
static final int POSTERIZE = 4;
static final int FIND_EDGES = 5;
// blend mode keyword definitions
public final static int REPLACE = 0;
public final static int BLEND = 1;
public final static int ADD = 2;
public final static int SUBTRACT = 4;
public final static int LIGHTEST = 8;
public final static int DARKEST = 16;
// 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 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 NORMAL_SPACE = 0; // 0..1
static final int IMAGE_SPACE = 1;
// text placement modes
static final int SCREEN_SPACE = 2;
static final int OBJECT_SPACE = 3;
// text alignment modes
static final int ALIGN_LEFT = 0;
static final int ALIGN_CENTER = 1;
static final int ALIGN_RIGHT = 2;
// stroke modes
static final int SQUARE_ENDCAP = 1 << 0;
static final int ROUND_ENDCAP = 1 << 1;
static final int PROJECTED_ENDCAP = 1 << 2;
static final int STROKE_CAP_MASK =
SQUARE_ENDCAP | ROUND_ENDCAP | PROJECTED_ENDCAP;
static final int MITERED_JOIN = 1 << 3;
static final int ROUND_JOIN = 1 << 4;
static final int BEVELED_JOIN = 1 << 5;
static final int STROKE_JOIN_MASK =
MITERED_JOIN | ROUND_JOIN | BEVELED_JOIN;
// lighting
static final int DISABLED = 0;
static final int AMBIENT = 1;
static final int DIFFUSE = 2;
static final int SPECULAR = 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
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;
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 HINT_COUNT = 5;
//////////////////////////////////////////////////////////////
// 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
static final int SG = 13;
static final int SB = 14;
static final int SA = 15;
// not used in rendering
// only used for calculating colors
static final int NX = 16; // normal
static final int NY = 17;
static final int NZ = 18;
static final int VX = 19; // view space coords
static final int VY = 20;
static final int VZ = 21;
static final int VW = 22;
static final int WT = 23; // stroke width
//static final int SPY = 22; // for subpixel rendering
static final int VERTEX_FIELD_COUNT = 24;
// line fields
static final int PA = 0; // point A
static final int PB = 1; // point B
static final int LI = 2; // shape index
static final int SM = 3; // stroke mode
static final int LINE_FIELD_COUNT = 4;
// triangle fields
static final int VA = 0; // point A
static final int VB = 1; // point B
static final int VC = 2; // point B
static final int TI = 3; // shape index
static final int TEX = 4; // texture index
static final int TRIANGLE_FIELD_COUNT = 5;
}
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