mirror of
https://github.com/arduino/Arduino.git
synced 2024-12-10 21:24:12 +01:00
289 lines
7.0 KiB
Java
289 lines
7.0 KiB
Java
/* -*- mode: jde; c-basic-offset: 2; indent-tabs-mode: nil -*- */
|
|
|
|
/*
|
|
Part of the Processing project - http://processing.org
|
|
|
|
Copyright (c) 2006 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 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;
|
|
|
|
|
|
// take a look at the obj loader to see how this fits with things
|
|
|
|
// PShape.line() PShape.ellipse()?
|
|
// PShape s = beginShape()
|
|
// line()
|
|
// endShape(s)
|
|
|
|
public class PShape {
|
|
|
|
int kind;
|
|
PMatrix matrix;
|
|
|
|
int[] opcode;
|
|
int opcodeCount;
|
|
// need to reorder vertex fields to make a VERTEX_SHORT_COUNT
|
|
// that puts all the non-rendering fields into later indices
|
|
float[][] data; // second param is the VERTEX_FIELD_COUNT
|
|
// should this be called vertices (consistent with PGraphics internals)
|
|
// or does that hurt flexibility?
|
|
|
|
int childCount;
|
|
PShape[] children;
|
|
|
|
// POINTS, LINES, xLINE_STRIP, xLINE_LOOP
|
|
// TRIANGLES, TRIANGLE_STRIP, TRIANGLE_FAN
|
|
// QUADS, QUAD_STRIP
|
|
// xPOLYGON
|
|
static final int PATH = 1; // POLYGON, LINE_LOOP, LINE_STRIP
|
|
static final int GROUP = 2;
|
|
|
|
// how to handle rectmode/ellipsemode?
|
|
// are they bitshifted into the constant?
|
|
// CORNER, CORNERS, CENTER, (CENTER_RADIUS?)
|
|
static final int RECT = 3; // could just be QUAD, but would be x1/y1/x2/y2
|
|
static final int ELLIPSE = 4;
|
|
|
|
static final int VERTEX = 7;
|
|
static final int CURVE = 5;
|
|
static final int BEZIER = 6;
|
|
|
|
|
|
// fill and stroke functions will need a pointer to the parent
|
|
// PGraphics object.. may need some kind of createShape() fxn
|
|
// or maybe the values are stored until draw() is called?
|
|
|
|
// attaching images is very tricky.. it's a different type of data
|
|
|
|
// material parameters will be thrown out,
|
|
// except those currently supported (kinds of lights)
|
|
|
|
// setAxis -> .x and .y to move x and y coords of origin
|
|
public float x;
|
|
public float y;
|
|
|
|
// pivot point for transformations
|
|
public float px;
|
|
public float py;
|
|
|
|
|
|
public PShape() {
|
|
}
|
|
|
|
|
|
public PShape(float x, float y) {
|
|
this.x = x;
|
|
this.y = y;
|
|
}
|
|
|
|
|
|
// . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
|
|
|
|
|
|
/**
|
|
* Called by the following (the shape() command adds the g)
|
|
* PShape s = loadShapes("blah.svg");
|
|
* shape(s);
|
|
*/
|
|
public void draw(PGraphics g) {
|
|
boolean flat = g instanceof PGraphics3D;
|
|
|
|
if (matrix != null) {
|
|
g.pushMatrix();
|
|
if (flat) {
|
|
g.applyMatrix(matrix.m00, matrix.m01, matrix.m02,
|
|
matrix.m10, matrix.m11, matrix.m12);
|
|
} else {
|
|
g.applyMatrix(matrix.m00, matrix.m01, matrix.m02, matrix.m03,
|
|
matrix.m10, matrix.m11, matrix.m12, matrix.m13,
|
|
matrix.m20, matrix.m21, matrix.m22, matrix.m23,
|
|
matrix.m30, matrix.m31, matrix.m32, matrix.m33);
|
|
}
|
|
}
|
|
|
|
// if g subclasses PGraphics2, ignore all lighting stuff and z coords
|
|
// otherwise if PGraphics3, need to call diffuse() etc
|
|
|
|
// unfortunately, also a problem with no way to encode stroke/fill
|
|
// being enabled/disabled.. this quickly gets into just having opcodes
|
|
// for the entire api, to deal with things like textures and images
|
|
|
|
switch (kind) {
|
|
case PATH:
|
|
for (int i = 0; i < opcodeCount; i++) {
|
|
switch (opcode[i]) {
|
|
case VERTEX:
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case GROUP:
|
|
break;
|
|
|
|
case RECT:
|
|
break;
|
|
}
|
|
|
|
if (matrix != null) {
|
|
g.popMatrix();
|
|
}
|
|
}
|
|
|
|
|
|
// . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
|
|
|
|
|
|
// can't be 'add' because that suggests additive geometry
|
|
public void addChild(PShape who) {
|
|
}
|
|
|
|
|
|
public PShape createGroup() {
|
|
PShape group = new PShape();
|
|
group.kind = GROUP;
|
|
addChild(group);
|
|
return group;
|
|
}
|
|
|
|
|
|
// . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
|
|
|
|
|
|
// translate, rotate, scale, apply (no push/pop)
|
|
// these each call matrix.translate, etc
|
|
// if matrix is null when one is called,
|
|
// it is created and set to identity
|
|
|
|
|
|
public void translate(float tx, float ty) {
|
|
translate(tx, ty, 0);
|
|
}
|
|
|
|
public void translate(float tx, float ty, float tz) {
|
|
checkMatrix();
|
|
matrix.translate(tx, ty, 0);
|
|
}
|
|
|
|
|
|
//
|
|
|
|
|
|
public void rotateX(float angle) {
|
|
rotate(angle, 1, 0, 0);
|
|
}
|
|
|
|
public void rotateY(float angle) {
|
|
rotate(angle, 0, 1, 0);
|
|
}
|
|
|
|
public void rotateZ(float angle) {
|
|
rotate(angle, 0, 0, 1);
|
|
}
|
|
|
|
public void rotate(float angle) {
|
|
rotateZ(angle);
|
|
}
|
|
|
|
public void rotate(float angle, float v0, float v1, float v2) {
|
|
checkMatrix();
|
|
matrix.rotate(angle, v0, v1, v2);
|
|
}
|
|
|
|
|
|
//
|
|
|
|
|
|
public void scale(float s) {
|
|
scale(s, s, s);
|
|
}
|
|
|
|
public void scale(float sx, float sy) {
|
|
scale(sx, sy, 1);
|
|
}
|
|
|
|
public void scale(float x, float y, float z) {
|
|
checkMatrix();
|
|
matrix.scale(x, y, z);
|
|
}
|
|
|
|
|
|
//
|
|
|
|
|
|
public void applyMatrix(float n00, float n01, float n02,
|
|
float n10, float n11, float n12) {
|
|
checkMatrix();
|
|
matrix.apply(n00, n01, n02, 0,
|
|
n10, n11, n12, 0,
|
|
0, 0, 1, 0,
|
|
0, 0, 0, 1);
|
|
}
|
|
|
|
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) {
|
|
checkMatrix();
|
|
matrix.apply(n00, n01, n02, n03,
|
|
n10, n11, n12, n13,
|
|
n20, n21, n22, n23,
|
|
n30, n31, n32, n33);
|
|
}
|
|
|
|
|
|
//
|
|
|
|
|
|
protected void checkMatrix() {
|
|
if (matrix == null) {
|
|
matrix = new PMatrix();
|
|
}
|
|
}
|
|
|
|
|
|
// . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
|
|
|
|
|
|
/**
|
|
* Center the shape based on its bounding box. Can't assume
|
|
* that the bounding box is 0, 0, width, height. Common case will be
|
|
* opening a letter size document in Illustrator, and drawing something
|
|
* in the middle, then reading it in as an svg file.
|
|
* This will also need to flip the y axis (scale(1, -1)) in cases
|
|
* like Adobe Illustrator where the coordinates start at the bottom.
|
|
*/
|
|
public void center() {
|
|
}
|
|
|
|
|
|
/**
|
|
* Set the pivot point for all transformations.
|
|
*/
|
|
public void pivot(float x, float y) {
|
|
px = x;
|
|
py = y;
|
|
}
|
|
|
|
|
|
// . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
|
|
|
|
|
|
|
|
} |