processing/core/src/processing/opengl/PShapeOpenGL.java at master · 2php/processing · GitHub

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/* -*- mode: java; c-basic-offset: 2; indent-tabs-mode: nil -*- */

Part of the Processing project - http://processing.org

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, version 2.1.

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 processing.core.PApplet;

import processing.core.PConstants;

import processing.core.PGraphics;

import processing.core.PImage;

import processing.core.PMatrix;

import processing.core.PMatrix2D;

import processing.core.PMatrix3D;

import processing.core.PShape;

import processing.core.PVector;

import processing.opengl.PGraphicsOpenGL.AttributeMap;

import processing.opengl.PGraphicsOpenGL.IndexCache;

import processing.opengl.PGraphicsOpenGL.InGeometry;

import processing.opengl.PGraphicsOpenGL.TessGeometry;

import processing.opengl.PGraphicsOpenGL.Tessellator;

import processing.opengl.PGraphicsOpenGL.VertexAttribute;

import java.nio.Buffer;

import java.util.Arrays;

import java.util.HashSet;

import java.util.Stack;

/**

* This class holds a 3D model composed of vertices, normals, colors

* (per vertex) and texture coordinates (also per vertex). All this data is

* stored in Vertex Buffer Objects (VBO) in GPU memory for very fast access.

* OBJ loading implemented using code from Saito's OBJLoader library:

* http://code.google.com/p/saitoobjloader/

* and OBJReader from Ahmet Kizilay

* http://www.openprocessing.org/visuals/?visualID=191

* By Andres Colubri

* Other formats to consider:

* AMF: http://en.wikipedia.org/wiki/Additive_Manufacturing_File_Format

* STL: http://en.wikipedia.org/wiki/STL_(file_format)

* OFF: http://people.sc.fsu.edu/~jburkardt/data/off/off.html(file_format)

* DXF: http://en.wikipedia.org/wiki/AutoCAD_DXF

public class PShapeOpenGL extends PShape {

// Testing these constants, not use as they might go away...

static public final int POSITION = 0;

static public final int NORMAL = 1;

static public final int TEXCOORD = 2;

static public final int DIRECTION = 3;

static public final int OFFSET = 4;

static protected final int TRANSLATE = 0;

static protected final int ROTATE = 1;

static protected final int SCALE = 2;

static protected final int MATRIX = 3;

protected PGraphicsOpenGL pg;

protected PGL pgl;

protected int context; // The context that created this shape.

protected PShapeOpenGL root;

// ........................................................

// Input, tessellated geometry

protected InGeometry inGeo;

protected TessGeometry tessGeo;

protected Tessellator tessellator;

protected AttributeMap polyAttribs;

// ........................................................

// Texturing

protected HashSet<PImage> textures;

protected boolean strokedTexture;

protected boolean untexChild;

// ........................................................

// OpenGL buffers

protected VertexBuffer bufPolyVertex;

protected VertexBuffer bufPolyColor;

protected VertexBuffer bufPolyNormal;

protected VertexBuffer bufPolyTexcoord;

protected VertexBuffer bufPolyAmbient;

protected VertexBuffer bufPolySpecular;

protected VertexBuffer bufPolyEmissive;

protected VertexBuffer bufPolyShininess;

protected VertexBuffer bufPolyIndex;

protected VertexBuffer bufLineVertex;

protected VertexBuffer bufLineColor;

protected VertexBuffer bufLineAttrib;

protected VertexBuffer bufLineIndex;

protected VertexBuffer bufPointVertex;

protected VertexBuffer bufPointColor;

protected VertexBuffer bufPointAttrib;

protected VertexBuffer bufPointIndex;

// Testing this field, not use as it might go away...

public int glUsage = PGL.STATIC_DRAW;

// ........................................................

// Offsets for geometry aggregation and update.

protected int polyVertCopyOffset;

protected int polyIndCopyOffset;

protected int lineVertCopyOffset;

protected int lineIndCopyOffset;

protected int pointVertCopyOffset;

protected int pointIndCopyOffset;

protected int polyIndexOffset;

protected int polyVertexOffset;

protected int polyVertexAbs;

protected int polyVertexRel;

protected int lineIndexOffset;

protected int lineVertexOffset;

protected int lineVertexAbs;

protected int lineVertexRel;

protected int pointIndexOffset;

protected int pointVertexOffset;

protected int pointVertexAbs;

protected int pointVertexRel;

protected int firstPolyIndexCache;

protected int lastPolyIndexCache;

protected int firstLineIndexCache;

protected int lastLineIndexCache;

protected int firstPointIndexCache;

protected int lastPointIndexCache;

protected int firstPolyVertex;

protected int lastPolyVertex;

protected int firstLineVertex;

protected int lastLineVertex;

protected int firstPointVertex;

protected int lastPointVertex;

// ........................................................

// Geometric transformations.

protected PMatrix transform;

protected Stack<PMatrix> transformStack;

// ........................................................

// State/rendering flags

protected boolean tessellated;

protected boolean needBufferInit = false;

// Flag to indicate if the shape can have holes or not.

protected boolean solid = true;

protected boolean breakShape = false;

protected boolean shapeCreated = false;

// These variables indicate if the shape contains

// polygon, line and/or point geometry. In the case of

// 3D shapes, poly geometry is coincident with the fill

// triangles, as the lines and points are stored separately.

// However, for 2D shapes the poly geometry contains all of

// the three since the same rendering shader applies to

// fill, line and point geometry.

protected boolean hasPolys;

protected boolean hasLines;

protected boolean hasPoints;

// ........................................................

// Bezier and Catmull-Rom curves

protected int bezierDetail;

protected int curveDetail;

protected float curveTightness;

protected int savedBezierDetail;

protected int savedCurveDetail;

protected float savedCurveTightness;

// ........................................................

// Normals

protected float normalX, normalY, normalZ;

// normal calculated per triangle

static protected final int NORMAL_MODE_AUTO = 0;

// one normal manually specified per shape

static protected final int NORMAL_MODE_SHAPE = 1;

// normals specified for each shape vertex

static protected final int NORMAL_MODE_VERTEX = 2;

// Current mode for normals, one of AUTO, SHAPE, or VERTEX

protected int normalMode;

// ........................................................

// Modification variables (used only by the root shape)

protected boolean modified;

protected boolean modifiedPolyVertices;

protected boolean modifiedPolyColors;

protected boolean modifiedPolyNormals;

protected boolean modifiedPolyTexCoords;

protected boolean modifiedPolyAmbient;

protected boolean modifiedPolySpecular;

protected boolean modifiedPolyEmissive;

protected boolean modifiedPolyShininess;

protected boolean modifiedLineVertices;

protected boolean modifiedLineColors;

protected boolean modifiedLineAttributes;

protected boolean modifiedPointVertices;

protected boolean modifiedPointColors;

protected boolean modifiedPointAttributes;

protected int firstModifiedPolyVertex;

protected int lastModifiedPolyVertex;

protected int firstModifiedPolyColor;

protected int lastModifiedPolyColor;

protected int firstModifiedPolyNormal;

protected int lastModifiedPolyNormal;

protected int firstModifiedPolyTexcoord;

protected int lastModifiedPolyTexcoord;

protected int firstModifiedPolyAmbient;

protected int lastModifiedPolyAmbient;

protected int firstModifiedPolySpecular;

protected int lastModifiedPolySpecular;

protected int firstModifiedPolyEmissive;

protected int lastModifiedPolyEmissive;

protected int firstModifiedPolyShininess;

protected int lastModifiedPolyShininess;

protected int firstModifiedLineVertex;

protected int lastModifiedLineVertex;

protected int firstModifiedLineColor;

protected int lastModifiedLineColor;

protected int firstModifiedLineAttribute;

protected int lastModifiedLineAttribute;

protected int firstModifiedPointVertex;

protected int lastModifiedPointVertex;

protected int firstModifiedPointColor;

protected int lastModifiedPointColor;

protected int firstModifiedPointAttribute;

protected int lastModifiedPointAttribute;

// ........................................................

// Saved style variables to style can be re-enabled after disableStyle,

// although it won't work if properties are defined on a per-vertex basis.

protected boolean savedStroke;

protected int savedStrokeColor;

protected float savedStrokeWeight;

protected int savedStrokeCap;

protected int savedStrokeJoin;

protected boolean savedFill;

protected int savedFillColor;

protected boolean savedTint;

protected int savedTintColor;

protected int savedAmbientColor;

protected int savedSpecularColor;

protected int savedEmissiveColor;

protected float savedShininess;

protected int savedTextureMode;

PShapeOpenGL() {

}

public PShapeOpenGL(PGraphicsOpenGL pg, int family) {

this.pg = pg;

this.family = family;

pgl = pg.pgl;

context = pgl.createEmptyContext();

bufPolyVertex = null;

bufPolyColor = null;

bufPolyNormal = null;

bufPolyTexcoord = null;

bufPolyAmbient = null;

bufPolySpecular = null;

bufPolyEmissive = null;

bufPolyShininess = null;

bufPolyIndex = null;

bufLineVertex = null;

bufLineColor = null;

bufLineAttrib = null;

bufLineIndex = null;

bufPointVertex = null;

bufPointColor = null;

bufPointAttrib = null;

bufPointIndex = null;

this.tessellator = pg.tessellator;

this.root = this;

this.parent = null;

this.tessellated = false;

if (family == GEOMETRY || family == PRIMITIVE || family == PATH) {

polyAttribs = PGraphicsOpenGL.newAttributeMap();

inGeo = PGraphicsOpenGL.newInGeometry(pg, polyAttribs, PGraphicsOpenGL.RETAINED);

}

// Style parameters are retrieved from the current values in the renderer.

textureMode = pg.textureMode;

colorMode(pg.colorMode,

pg.colorModeX, pg.colorModeY, pg.colorModeZ, pg.colorModeA);

// Initial values for fill, stroke and tint colors are also imported from

// the renderer. This is particular relevant for primitive shapes, since is

// not possible to set their color separately when creating them, and their

// input vertices are actually generated at rendering time, by which the

// color configuration of the renderer might have changed.

fill = pg.fill;

fillColor = pg.fillColor;

stroke = pg.stroke;

strokeColor = pg.strokeColor;

strokeWeight = pg.strokeWeight;

strokeCap = pg.strokeCap;

strokeJoin = pg.strokeJoin;

tint = pg.tint;

tintColor = pg.tintColor;

setAmbient = pg.setAmbient;

ambientColor = pg.ambientColor;

specularColor = pg.specularColor;

emissiveColor = pg.emissiveColor;

shininess = pg.shininess;

sphereDetailU = pg.sphereDetailU;

sphereDetailV = pg.sphereDetailV;

bezierDetail = pg.bezierDetail;

curveDetail = pg.curveDetail;

curveTightness = pg.curveTightness;

rectMode = pg.rectMode;

ellipseMode = pg.ellipseMode;

normalX = normalY = 0;

normalZ = 1;

normalMode = NORMAL_MODE_AUTO;

// To make sure that the first vertex is marked as a break.

// Same behavior as in the immediate mode.

breakShape = false;

if (family == GROUP) {

// GROUP shapes are always marked as ended.

shapeCreated = true;

}

// OpenGL supports per-vertex coloring (unlike Java2D)

perVertexStyles = true;

}

/** Create a shape from the PRIMITIVE family, using this kind and these params */

public PShapeOpenGL(PGraphicsOpenGL pg, int kind, float... p) {

this(pg, PRIMITIVE);

setKind(kind);

setParams(p);

}

@Override

public void addChild(PShape who) {

if (who instanceof PShapeOpenGL) {

if (family == GROUP) {

PShapeOpenGL c3d = (PShapeOpenGL)who;

super.addChild(c3d);

c3d.updateRoot(root);

markForTessellation();

if (c3d.family == GROUP) {

if (c3d.textures != null) {

for (PImage tex: c3d.textures) {

addTexture(tex);

}

} else {

untexChild(true);

}

if (c3d.strokedTexture) {

strokedTexture(true);

}

} else {

if (c3d.image != null) {

addTexture(c3d.image);

if (c3d.stroke) {

strokedTexture(true);

}

} else {

untexChild(true);

}

} else {

PGraphics.showWarning("Cannot add child shape to non-group shape.");

}

} else {

PGraphics.showWarning("Shape must be OpenGL to be added to the group.");

}

@Override

public void addChild(PShape who, int idx) {

if (who instanceof PShapeOpenGL) {

if (family == GROUP) {

PShapeOpenGL c3d = (PShapeOpenGL)who;

super.addChild(c3d, idx);

c3d.updateRoot(root);

markForTessellation();

if (c3d.family == GROUP) {

if (c3d.textures != null) {

for (PImage tex: c3d.textures) {

addTexture(tex);

}

} else {

untexChild(true);

}

if (c3d.strokedTexture) {

strokedTexture(true);

}

} else {

if (c3d.image != null) {

addTexture(c3d.image);

if (c3d.stroke) {

strokedTexture(true);

}

} else {

untexChild(true);

}

} else {

PGraphics.showWarning("Cannot add child shape to non-group shape.");

}

} else {

PGraphics.showWarning("Shape must be OpenGL to be added to the group.");

}

@Override

public void removeChild(int idx) {

super.removeChild(idx);

strokedTexture(false);

untexChild(false);

markForTessellation();

}

protected void updateRoot(PShape root) {

this.root = (PShapeOpenGL) root;

if (family == GROUP) {

for (int i = 0; i < childCount; i++) {

PShapeOpenGL child = (PShapeOpenGL)children[i];

child.updateRoot(root);

}

///////////////////////////////////////////////////////////

// Shape creation (temporary hack)

public static PShapeOpenGL createShape(PGraphicsOpenGL pg, PShape src) {

PShapeOpenGL dest = null;

if (src.getFamily() == GROUP) {

//dest = PGraphics3D.createShapeImpl(pg, GROUP);

dest = (PShapeOpenGL) pg.createShapeFamily(GROUP);

copyGroup(pg, src, dest);

} else if (src.getFamily() == PRIMITIVE) {

//dest = PGraphics3D.createShapeImpl(pg, src.getKind(), src.getParams());

dest = (PShapeOpenGL) pg.createShapePrimitive(src.getKind(), src.getParams());

PShape.copyPrimitive(src, dest);

} else if (src.getFamily() == GEOMETRY) {

//dest = PGraphics3D.createShapeImpl(pg, PShape.GEOMETRY);

dest = (PShapeOpenGL) pg.createShapeFamily(PShape.GEOMETRY);

PShape.copyGeometry(src, dest);

} else if (src.getFamily() == PATH) {

dest = (PShapeOpenGL) pg.createShapeFamily(PShape.PATH);

//dest = PGraphics3D.createShapeImpl(pg, PATH);

PShape.copyPath(src, dest);

}

dest.setName(src.getName());

dest.width = src.width;

dest.height = src.height;

dest.depth = src.depth;

return dest;

}

static public PShapeOpenGL createShape2D(PGraphicsOpenGL pg, PShape src) {

PShapeOpenGL dest = null;

if (src.getFamily() == GROUP) {

//dest = PGraphics2D.createShapeImpl(pg, GROUP);

dest = (PShapeOpenGL) pg.createShapeFamily(GROUP);

copyGroup2D(pg, src, dest);

} else if (src.getFamily() == PRIMITIVE) {

//dest = PGraphics2D.createShapeImpl(pg, src.getKind(), src.getParams());

dest = (PShapeOpenGL) pg.createShapePrimitive(src.getKind(), src.getParams());

PShape.copyPrimitive(src, dest);

} else if (src.getFamily() == GEOMETRY) {

//dest = PGraphics2D.createShapeImpl(pg, PShape.GEOMETRY);

dest = (PShapeOpenGL) pg.createShapeFamily(PShape.GEOMETRY);

PShape.copyGeometry(src, dest);

} else if (src.getFamily() == PATH) {

//dest = PGraphics2D.createShapeImpl(pg, PATH);

dest = (PShapeOpenGL) pg.createShapeFamily(PShape.PATH);

PShape.copyPath(src, dest);

}

dest.setName(src.getName());

dest.width = src.width;

dest.height = src.height;

return dest;

}

static public void copyGroup(PGraphicsOpenGL pg, PShape src, PShape dest) {

copyMatrix(src, dest);

copyStyles(src, dest);

copyImage(src, dest);

for (int i = 0; i < src.getChildCount(); i++) {

PShape c = createShape(pg, src.getChild(i));

dest.addChild(c);

}

static public void copyGroup2D(PGraphicsOpenGL pg, PShape src, PShape dest) {

copyMatrix(src, dest);

copyStyles(src, dest);

copyImage(src, dest);

for (int i = 0; i < src.getChildCount(); i++) {

PShape c = createShape2D(pg, src.getChild(i));

dest.addChild(c);

}

///////////////////////////////////////////////////////////

// Query methods

@Override

public float getWidth() {

PVector min = new PVector(Float.POSITIVE_INFINITY, Float.POSITIVE_INFINITY,

Float.POSITIVE_INFINITY);

PVector max = new PVector(Float.NEGATIVE_INFINITY, Float.NEGATIVE_INFINITY,

Float.NEGATIVE_INFINITY);

if (shapeCreated) {

getVertexMin(min);

getVertexMax(max);

}

width = max.x - min.x;

return width;

}

@Override

public float getHeight() {

PVector min = new PVector(Float.POSITIVE_INFINITY, Float.POSITIVE_INFINITY,

Float.POSITIVE_INFINITY);

PVector max = new PVector(Float.NEGATIVE_INFINITY, Float.NEGATIVE_INFINITY,

Float.NEGATIVE_INFINITY);

if (shapeCreated) {

getVertexMin(min);

getVertexMax(max);

}

height = max.y - min.y;

return height;

}

@Override

public float getDepth() {

PVector min = new PVector(Float.POSITIVE_INFINITY, Float.POSITIVE_INFINITY,

Float.POSITIVE_INFINITY);

PVector max = new PVector(Float.NEGATIVE_INFINITY, Float.NEGATIVE_INFINITY,

Float.NEGATIVE_INFINITY);

if (shapeCreated) {

getVertexMin(min);

getVertexMax(max);

}

depth = max.z - min.z;

return depth;

}

protected void getVertexMin(PVector min) {

updateTessellation();

if (family == GROUP) {

for (int i = 0; i < childCount; i++) {

PShapeOpenGL child = (PShapeOpenGL) children[i];

child.getVertexMin(min);

}

} else {

if (hasPolys) {

tessGeo.getPolyVertexMin(min, firstPolyVertex, lastPolyVertex);

}

if (is3D()) {

if (hasLines) {

tessGeo.getLineVertexMin(min, firstLineVertex, lastLineVertex);

}

if (hasPoints) {

tessGeo.getPointVertexMin(min, firstPointVertex, lastPointVertex);

}

protected void getVertexMax(PVector max) {

updateTessellation();

if (family == GROUP) {

for (int i = 0; i < childCount; i++) {

PShapeOpenGL child = (PShapeOpenGL) children[i];

child.getVertexMax(max);

}

} else {

if (hasPolys) {

tessGeo.getPolyVertexMax(max, firstPolyVertex, lastPolyVertex);

}

if (is3D()) {

if (hasLines) {

tessGeo.getLineVertexMax(max, firstLineVertex, lastLineVertex);

}

if (hasPoints) {

tessGeo.getPointVertexMax(max, firstPointVertex, lastPointVertex);

}

protected int getVertexSum(PVector sum, int count) {

updateTessellation();

if (family == GROUP) {

for (int i = 0; i < childCount; i++) {

PShapeOpenGL child = (PShapeOpenGL) children[i];

count += child.getVertexSum(sum, count);

}

} else {

if (hasPolys) {

count += tessGeo.getPolyVertexSum(sum, firstPolyVertex, lastPolyVertex);

}

if (is3D()) {

if (hasLines) {

count += tessGeo.getLineVertexSum(sum, firstLineVertex,

lastLineVertex);

}

if (hasPoints) {

count += tessGeo.getPointVertexSum(sum, firstPointVertex,

lastPointVertex);

}

return count;

}

///////////////////////////////////////////////////////////

// Drawing methods

@Override

public void setTextureMode(int mode) {

if (openShape) {

PGraphics.showWarning(INSIDE_BEGIN_END_ERROR, "setTextureMode()");

return;

}

if (family == GROUP) {

for (int i = 0; i < childCount; i++) {

PShapeOpenGL child = (PShapeOpenGL) children[i];

child.setTextureMode(mode);

}

} else {

setTextureModeImpl(mode);

}

protected void setTextureModeImpl(int mode) {

if (textureMode == mode) return;

textureMode = mode;

if (image != null) {

float uFactor = image.width;

float vFactor = image.height;

if (textureMode == NORMAL) {

uFactor = 1.0f / uFactor;

vFactor = 1.0f / vFactor;

}

scaleTextureUV(uFactor, vFactor);

}

@Override

public void setTexture(PImage tex) {

if (openShape) {

PGraphics.showWarning(INSIDE_BEGIN_END_ERROR, "setTexture()");

return;

}

if (family == GROUP) {

for (int i = 0; i < childCount; i++) {

PShapeOpenGL child = (PShapeOpenGL) children[i];

child.setTexture(tex);

}

} else {

setTextureImpl(tex);

}

protected void setTextureImpl(PImage tex) {

PImage image0 = image;

image = tex;

if (textureMode == IMAGE && image0 != image) {

// Need to rescale the texture coordinates

float uFactor = 1;

float vFactor = 1;

if (image != null) {

uFactor /= image.width;

vFactor /= image.height;

}

if (image0 != null) {

uFactor *= image0.width;

vFactor *= image0.height;

}

scaleTextureUV(uFactor, vFactor);

}

if (image0 != tex && parent != null) {

((PShapeOpenGL)parent).removeTexture(image0, this);

}

if (parent != null) {

((PShapeOpenGL)parent).addTexture(image);

if (is2D() && stroke) {

((PShapeOpenGL)parent).strokedTexture(true);

}

protected void scaleTextureUV(float uFactor, float vFactor) {

if (PGraphicsOpenGL.same(uFactor, 1) &&

PGraphicsOpenGL.same(vFactor, 1)) return;

for (int i = 0; i < inGeo.vertexCount; i++) {

float u = inGeo.texcoords[2 * i + 0];

float v = inGeo.texcoords[2 * i + 1];

inGeo.texcoords[2 * i + 0] = PApplet.min(1, u * uFactor);

inGeo.texcoords[2 * i + 1] = PApplet.min(1, v * uFactor);

}

if (shapeCreated && tessellated && hasPolys) {

int last1 = 0;

if (is3D()) {

last1 = lastPolyVertex + 1;

} else if (is2D()) {

last1 = lastPolyVertex + 1;

if (-1 < firstLineVertex) last1 = firstLineVertex;

if (-1 < firstPointVertex) last1 = firstPointVertex;

}

for (int i = firstLineVertex; i < last1; i++) {

float u = tessGeo.polyTexCoords[2 * i + 0];

float v = tessGeo.polyTexCoords[2 * i + 1];

tessGeo.polyTexCoords[2 * i + 0] = PApplet.min(1, u * uFactor);

tessGeo.polyTexCoords[2 * i + 1] = PApplet.min(1, v * uFactor);

}

root.setModifiedPolyTexCoords(firstPolyVertex, last1 - 1);

}

protected void addTexture(PImage tex) {

if (textures == null) {

textures = new HashSet<PImage>();

}

textures.add(tex);

if (parent != null) {

((PShapeOpenGL)parent).addTexture(tex);

}

protected void removeTexture(PImage tex, PShapeOpenGL caller) {

if (textures == null || !textures.contains(tex)) return; // Nothing to remove.

// First check that none of the child shapes have texture tex...

boolean childHasTex = false;

for (int i = 0; i < childCount; i++) {

PShapeOpenGL child = (PShapeOpenGL) children[i];

if (child == caller) continue;

if (child.hasTexture(tex)) {

childHasTex = true;

break;

}

if (!childHasTex) {

// ...if not, it is safe to remove from this shape.

textures.remove(tex);

if (textures.size() == 0) {

textures = null;

}

// Since this shape and all its child shapes don't contain

// tex anymore, we now can remove it from the parent.

if (parent != null) {

((PShapeOpenGL)parent).removeTexture(tex, this);

}

protected void strokedTexture(boolean newValue) {

strokedTexture(newValue, null);

}

protected void strokedTexture(boolean newValue, PShapeOpenGL caller) {

if (strokedTexture == newValue) return; // Nothing to change.

if (newValue) {

strokedTexture = true;

} else {

// Check that none of the child shapes have a stroked texture...

strokedTexture = false;

for (int i = 0; i < childCount; i++) {

PShapeOpenGL child = (PShapeOpenGL) children[i];

if (child == caller) continue;

if (child.hasStrokedTexture()) {

strokedTexture = true;

break;

}

// Now we can update the parent shape.

if (parent != null) {

((PShapeOpenGL)parent).strokedTexture(newValue, this);

}

protected void untexChild(boolean newValue) {

untexChild(newValue, null);

}

protected void untexChild(boolean newValue, PShapeOpenGL caller) {

if (untexChild == newValue) return; // Nothing to change.

if (newValue) {

untexChild = true;

} else {

// Check if any of the child shapes is not textured...

untexChild = false;

for (int i = 0; i < childCount; i++) {

PShapeOpenGL child = (PShapeOpenGL) children[i];

if (child == caller) continue;

if (!child.hasTexture()) {

untexChild = true;

break;

}

// Now we can update the parent shape.

if (parent != null) {

((PShapeOpenGL)parent).untexChild(newValue, this);

}

protected boolean hasTexture() {

if (family == GROUP) {

return textures != null && 0 < textures.size();

} else {

return image != null;

}

protected boolean hasTexture(PImage tex) {

if (family == GROUP) {

return textures != null && textures.contains(tex);

} else {

return image == tex;

}

protected boolean hasStrokedTexture() {

if (family == GROUP) {

return strokedTexture;

} else {

return image != null && stroke;

}

@Override

public void solid(boolean solid) {

if (family == GROUP) {

for (int i = 0; i < childCount; i++) {

PShapeOpenGL child = (PShapeOpenGL) children[i];

child.solid(solid);

}

} else {

this.solid = solid;

}

@Override

protected void beginContourImpl() {

breakShape = true;

}

@Override

protected void endContourImpl() {

}

@Override

View remainder of file in raw view

processing/core/src/processing/opengl/PShapeOpenGL.java at master · 2php/processing · GitHub

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