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/* -*- mode: java; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
Part of the Processing project - http://processing.org
Copyright (c) 2004-11 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.
*
* @usage Web & Application
*/
public interface PConstants {
static public final int X = 0;
static public final int Y = 1;
static public final int Z = 2;
// renderers known to processing.core
/*
// List of renderers used inside PdePreprocessor
static final StringList rendererList = new StringList(new String[] {
"JAVA2D", "JAVA2D_2X",
"P2D", "P2D_2X", "P3D", "P3D_2X", "OPENGL",
"E2D", "FX2D", "FX2D_2X", // experimental
"LWJGL.P2D", "LWJGL.P3D", // hmm
"PDF" // no DXF because that's only for beginRaw()
});
*/
static final String JAVA2D = "processing.awt.PGraphicsJava2D";
static final String P2D = "processing.opengl.PGraphics2D";
static final String P3D = "processing.opengl.PGraphics3D";
// When will it be time to remove this?
@Deprecated
static final String OPENGL = P3D;
// Experimental, higher-performance Java 2D renderer (but no pixel ops)
// static final String E2D = PGraphicsDanger2D.class.getName();
// Experimental JavaFX renderer; even better 2D performance
static final String FX2D = "processing.javafx.PGraphicsFX2D";
static final String PDF = "processing.pdf.PGraphicsPDF";
static final String SVG = "processing.svg.PGraphicsSVG";
static final String DXF = "processing.dxf.RawDXF";
// platform IDs for PApplet.platform
static final int OTHER = 0;
static final int WINDOWS = 1;
static final int MACOSX = 2;
static final int LINUX = 3;
static final String[] platformNames = {
"other", "windows", "macosx", "linux"
};
static final float EPSILON = 0.0001f;
// max/min values for numbers
/**
* Same as Float.MAX_VALUE, but included for parity with MIN_VALUE,
* and to avoid teaching static methods on the first day.
*/
static final float MAX_FLOAT = Float.MAX_VALUE;
/**
* Note that Float.MIN_VALUE is the smallest <EM>positive</EM> value
* for a floating point number, not actually the minimum (negative) value
* for a float. This constant equals 0xFF7FFFFF, the smallest (farthest
* negative) value a float can have before it hits NaN.
*/
static final float MIN_FLOAT = -Float.MAX_VALUE;
/** Largest possible (positive) integer value */
static final int MAX_INT = Integer.MAX_VALUE;
/** Smallest possible (negative) integer value */
static final int MIN_INT = Integer.MIN_VALUE;
// shapes
static public final int VERTEX = 0;
static public final int BEZIER_VERTEX = 1;
static public final int QUADRATIC_VERTEX = 2;
static public final int CURVE_VERTEX = 3;
static public final int BREAK = 4;
@Deprecated
static public final int QUAD_BEZIER_VERTEX = 2; // should not have been exposed
// useful goodness
/**
* ( begin auto-generated from PI.xml )
*
* PI is a mathematical constant with the value 3.14159265358979323846. It
* is the ratio of the circumference of a circle to its diameter. It is
* useful in combination with the trigonometric functions <b>sin()</b> and
* <b>cos()</b>.
*
* ( end auto-generated )
* @webref constants
* @see PConstants#TWO_PI
* @see PConstants#TAU
* @see PConstants#HALF_PI
* @see PConstants#QUARTER_PI
*
*/
static final float PI = (float) Math.PI;
/**
* ( begin auto-generated from HALF_PI.xml )
*
* HALF_PI is a mathematical constant with the value
* 1.57079632679489661923. It is half the ratio of the circumference of a
* circle to its diameter. It is useful in combination with the
* trigonometric functions <b>sin()</b> and <b>cos()</b>.
*
* ( end auto-generated )
* @webref constants
* @see PConstants#PI
* @see PConstants#TWO_PI
* @see PConstants#TAU
* @see PConstants#QUARTER_PI
*/
static final float HALF_PI = (float) (Math.PI / 2.0);
static final float THIRD_PI = (float) (Math.PI / 3.0);
/**
* ( begin auto-generated from QUARTER_PI.xml )
*
* QUARTER_PI is a mathematical constant with the value 0.7853982. It is
* one quarter the ratio of the circumference of a circle to its diameter.
* It is useful in combination with the trigonometric functions
* <b>sin()</b> and <b>cos()</b>.
*
* ( end auto-generated )
* @webref constants
* @see PConstants#PI
* @see PConstants#TWO_PI
* @see PConstants#TAU
* @see PConstants#HALF_PI
*/
static final float QUARTER_PI = (float) (Math.PI / 4.0);
/**
* ( begin auto-generated from TWO_PI.xml )
*
* TWO_PI is a mathematical constant with the value 6.28318530717958647693.
* It is twice the ratio of the circumference of a circle to its diameter.
* It is useful in combination with the trigonometric functions
* <b>sin()</b> and <b>cos()</b>.
*
* ( end auto-generated )
* @webref constants
* @see PConstants#PI
* @see PConstants#TAU
* @see PConstants#HALF_PI
* @see PConstants#QUARTER_PI
*/
static final float TWO_PI = (float) (2.0 * Math.PI);
/**
* ( begin auto-generated from TAU.xml )
*
* TAU is an alias for TWO_PI, a mathematical constant with the value
* 6.28318530717958647693. It is twice the ratio of the circumference
* of a circle to its diameter. It is useful in combination with the
* trigonometric functions <b>sin()</b> and <b>cos()</b>.
*
* ( end auto-generated )
* @webref constants
* @see PConstants#PI
* @see PConstants#TWO_PI
* @see PConstants#HALF_PI
* @see PConstants#QUARTER_PI
*/
static final float TAU = (float) (2.0 * Math.PI);
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
// (also includes 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
// static final int CMYK = 5; // image & color (someday)
// 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;
static final int ERODE = 17;
static final int DILATE = 18;
// blend mode keyword definitions
// @see processing.core.PImage#blendColor(int,int,int)
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;
public final static int DIFFERENCE = 1 << 5;
public final static int EXCLUSION = 1 << 6;
public final static int MULTIPLY = 1 << 7;
public final static int SCREEN = 1 << 8;
public final static int OVERLAY = 1 << 9;
public final static int HARD_LIGHT = 1 << 10;
public final static int SOFT_LIGHT = 1 << 11;
public final static int DODGE = 1 << 12;
public final static int BURN = 1 << 13;
// for messages
static final int CHATTER = 0;
static final int COMPLAINT = 1;
static final int PROBLEM = 2;
// types of transformation matrices
static final int PROJECTION = 0;
static final int MODELVIEW = 1;
// 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
// shapes
// the low four bits set the variety,
// higher bits set the specific shape type
static final int GROUP = 0; // createShape()
static final int POINT = 2; // primitive
static final int POINTS = 3; // vertices
static final int LINE = 4; // primitive
static final int LINES = 5; // beginShape(), createShape()
static final int LINE_STRIP = 50; // beginShape()
static final int LINE_LOOP = 51;
static final int TRIANGLE = 8; // primitive
static final int TRIANGLES = 9; // vertices
static final int TRIANGLE_STRIP = 10; // vertices
static final int TRIANGLE_FAN = 11; // vertices
static final int QUAD = 16; // primitive
static final int QUADS = 17; // vertices
static final int QUAD_STRIP = 18; // vertices
static final int POLYGON = 20; // in the end, probably cannot
static final int PATH = 21; // separate these two
static final int RECT = 30; // primitive
static final int ELLIPSE = 31; // primitive
static final int ARC = 32; // primitive
static final int SPHERE = 40; // primitive
static final int BOX = 41; // primitive
// static public final int POINT_SPRITES = 52;
// static public final int NON_STROKED_SHAPE = 60;
// static public final int STROKED_SHAPE = 61;
// shape closing modes
static final int OPEN = 1;
static final int CLOSE = 2;
// shape drawing modes
/** Draw mode convention to use (x, y) to (width, height) */
static final int CORNER = 0;
/** Draw mode convention to use (x1, y1) to (x2, y2) coordinates */
static final int CORNERS = 1;
/** Draw mode from the center, and using the radius */
static final int RADIUS = 2;
/**
* Draw from the center, using second pair of values as the diameter.
* Formerly called CENTER_DIAMETER in alpha releases.
*/
static final int CENTER = 3;
/**
* Synonym for the CENTER constant. Draw from the center,
* using second pair of values as the diameter.
*/
static final int DIAMETER = 3;
// arc drawing modes
//static final int OPEN = 1; // shared
static final int CHORD = 2;
static final int PIE = 3;
// vertically alignment modes for text
/** Default vertical alignment for text placement */
static final int BASELINE = 0;
/** Align text to the top */
static final int TOP = 101;
/** Align text from the bottom, using the baseline. */
static final int BOTTOM = 102;
// uv texture orientation modes
/** texture coordinates in 0..1 range */
static final int NORMAL = 1;
/** texture coordinates based on image width/height */
static final int IMAGE = 2;
// texture wrapping modes
/** textures are clamped to their edges */
public static final int CLAMP = 0;
/** textures wrap around when uv values go outside 0..1 range */
public static final int REPEAT = 1;
// text placement modes
/**
* textMode(MODEL) is the default, meaning that characters
* will be affected by transformations like any other shapes.
* <p/>
* Changed value in 0093 to not interfere with LEFT, CENTER, and RIGHT.
*/
static final int MODEL = 4;
/**
* textMode(SHAPE) draws text using the the glyph outlines of
* individual characters rather than as textures. If the outlines are
* not available, then textMode(SHAPE) will be ignored and textMode(MODEL)
* will be used instead. For this reason, be sure to call textMode()
* <EM>after</EM> calling textFont().
* <p/>
* Currently, textMode(SHAPE) is only supported by OPENGL mode.
* It also requires Java 1.2 or higher (OPENGL requires 1.4 anyway)
*/
static final int SHAPE = 5;
// text alignment modes
// are inherited from LEFT, CENTER, RIGHT
// stroke modes
static final int SQUARE = 1 << 0; // called 'butt' in the svg spec
static final int ROUND = 1 << 1;
static final int PROJECT = 1 << 2; // called 'square' in the svg spec
static final int MITER = 1 << 3;
static final int BEVEL = 1 << 5;
// lighting
static final int AMBIENT = 0;
static final int DIRECTIONAL = 1;
//static final int POINT = 2; // shared with shape feature
static final int SPOT = 3;
// 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
// for 0125, these were changed to 'char' values, because they
// can be upgraded to ints automatically by Java, but having them
// as ints prevented split(blah, TAB) from working
static final char BACKSPACE = 8;
static final char TAB = 9;
static final char ENTER = 10;
static final char RETURN = 13;
static final char ESC = 27;
static final char 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;
// orientations (only used on Android, ignored on desktop)
/** Screen orientation constant for portrait (the hamburger way). */
static final int PORTRAIT = 1;
/** Screen orientation constant for landscape (the hot dog way). */
static final int LANDSCAPE = 2;
/** Use with fullScreen() to indicate all available displays. */
static final int SPAN = 0;
// 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 - hint values are positive for the alternate version,
// negative of the same value returns to the normal/default state
@Deprecated
static final int ENABLE_NATIVE_FONTS = 1;
@Deprecated
static final int DISABLE_NATIVE_FONTS = -1;
static final int DISABLE_DEPTH_TEST = 2;
static final int ENABLE_DEPTH_TEST = -2;
static final int ENABLE_DEPTH_SORT = 3;
static final int DISABLE_DEPTH_SORT = -3;
static final int DISABLE_OPENGL_ERRORS = 4;
static final int ENABLE_OPENGL_ERRORS = -4;
static final int DISABLE_DEPTH_MASK = 5;
static final int ENABLE_DEPTH_MASK = -5;
static final int DISABLE_OPTIMIZED_STROKE = 6;
static final int ENABLE_OPTIMIZED_STROKE = -6;
static final int ENABLE_STROKE_PERSPECTIVE = 7;
static final int DISABLE_STROKE_PERSPECTIVE = -7;
static final int DISABLE_TEXTURE_MIPMAPS = 8;
static final int ENABLE_TEXTURE_MIPMAPS = -8;
static final int ENABLE_STROKE_PURE = 9;
static final int DISABLE_STROKE_PURE = -9;
static final int ENABLE_BUFFER_READING = 10;
static final int DISABLE_BUFFER_READING = -10;
static final int DISABLE_KEY_REPEAT = 11;
static final int ENABLE_KEY_REPEAT = -11;
static final int DISABLE_ASYNC_SAVEFRAME = 12;
static final int ENABLE_ASYNC_SAVEFRAME = -12;
static final int HINT_COUNT = 13;
}
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