move example renderer to playground

This commit is contained in:
Hannes Janetzek 2014-03-20 15:15:23 +01:00
parent ff56d5c67a
commit ea711aea77
5 changed files with 0 additions and 637 deletions

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/*
* Copyright 2013 Hannes Janetzek
*
* This file is part of the OpenScienceMap project (http://www.opensciencemap.org).
*
* This program 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 3 of the License, or (at your option) any later version.
*
* This program 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 program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.oscim.renderer.test;
import java.util.Arrays;
import org.oscim.backend.canvas.Color;
import org.oscim.backend.canvas.Paint.Cap;
import org.oscim.renderer.ElementRenderer;
import org.oscim.renderer.GLViewport;
import org.oscim.renderer.atlas.TextureAtlas;
import org.oscim.renderer.atlas.TextureAtlas.Rect;
import org.oscim.renderer.atlas.TextureAtlas.Slot;
import org.oscim.renderer.elements.LineLayer;
import org.oscim.renderer.elements.TextItem;
import org.oscim.renderer.elements.TextLayer;
import org.oscim.theme.styles.LineStyle;
import org.oscim.theme.styles.TextStyle;
import org.oscim.theme.styles.TextStyle.TextBuilder;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class AtlasRenderLayer extends ElementRenderer {
Logger log = LoggerFactory.getLogger(AtlasRenderLayer.class);
public AtlasRenderLayer() {
TextureAtlas mAtlas = TextureAtlas.create(2048, 2048, 1);
LineLayer ll = layers.getLineLayer(0);
ll.line = new LineStyle(Color.BLUE, 3, Cap.BUTT);
ll.scale = 1f;
LineLayer ll2 = layers.getLineLayer(1);
ll2.line = new LineStyle(Color.RED, 3, Cap.BUTT);
ll2.scale = 1f;
LineLayer ll3 = layers.getLineLayer(2);
ll3.line = new LineStyle(Color.GREEN, 3, Cap.BUTT);
ll3.scale = 1f;
TextLayer tl = new TextLayer();
TextStyle t = new TextBuilder().setFontSize(20).setColor(Color.BLACK).build();
layers.setTextureLayers(tl);
float[] points = new float[10];
for (int i = 0; i < 400; i++) {
int w = (int) (20 + Math.random() * 256);
int h = (int) (20 + Math.random() * 56);
Rect r = mAtlas.getRegion(w, h);
if (r == null) {
log.debug("no space left");
continue;
}
r.x += 1;
r.y += 1;
points[0] = r.x;
points[1] = r.y;
points[2] = r.x + (r.w - 2);
points[3] = r.y;
points[4] = r.x + (r.w - 2);
points[5] = r.y + (r.h - 2);
points[6] = r.x;
points[7] = r.y + (r.h - 2);
points[8] = r.x;
points[9] = r.y;
ll.addLine(points, 10, false);
r.x += 1;
r.y += 1;
points[0] = r.x;
points[1] = r.y;
points[2] = r.x + (w - 4);
points[3] = r.y;
points[4] = r.x + (w - 4);
points[5] = r.y + (h - 4);
points[6] = r.x;
points[7] = r.y + (h - 4);
points[8] = r.x;
points[9] = r.y;
log.debug("add region: " + Arrays.toString(points));
ll2.addLine(points, 10, false);
TextItem ti = TextItem.pool.get();
ti.set(r.x + r.w / 2, r.y + r.h / 2, "" + i, t);
ti.x1 = 0;
ti.y1 = 1; // (short) (size / 2);
ti.x2 = 1; // (short) size;
ti.y2 = 1;
tl.addText(ti);
}
for (Slot s = mAtlas.mSlots; s != null; s = s.next) {
points[0] = s.x;
points[1] = s.y;
points[2] = s.x + s.w;
points[3] = s.y;
points[4] = s.x + s.w;
points[5] = 2048;
points[6] = s.x;
points[7] = 2048;
points[8] = s.x;
points[9] = s.y;
ll3.addLine(points, 10, false);
}
tl.prepare();
tl.labels = TextItem.pool.releaseAll(tl.labels);
}
boolean initial = true;
@Override
protected void update(GLViewport v) {
if (initial) {
mMapPosition.copy(v.pos);
initial = false;
compile();
}
}
}

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package org.oscim.renderer.test;
import java.util.List;
import org.oscim.backend.canvas.Color;
import org.oscim.core.GeometryBuffer;
import org.oscim.core.Point;
import org.oscim.renderer.ElementRenderer;
import org.oscim.renderer.GLViewport;
import org.oscim.renderer.elements.LineLayer;
import org.oscim.theme.styles.LineStyle;
import org.oscim.utils.geom.BezierPath;
public class BezierPathLayer extends ElementRenderer {
public BezierPathLayer() {
mMapPosition.scale = 0;
GeometryBuffer g = new GeometryBuffer(100, 1);
g.startLine();
Point[] pts = new Point[10];
for (int i = 0; i < 10; i++) {
pts[i] = new Point(i * 3, (i * i) % 3 * 4);
pts[i].x *= 10;
pts[i].y *= 10;
// System.out.println(pts[i]);
g.addPoint(pts[i]);
}
LineLayer ll = layers.addLineLayer(0, new LineStyle(Color.BLUE, 2f));
ll.addLine(g);
List<Point> ctrl = BezierPath.cubicSplineControlPoints(pts, 0.1f);
g.clear();
g.startLine();
Point p0 = pts[0];
for (int j = 1, k = 0; j < pts.length; j++) {
Point p1 = ctrl.get(k++);
Point p2 = ctrl.get(k++);
Point p3 = pts[j];
System.out.println(">>> " + p1 + " " + p2);
for (int i = 0; i < 10; i++) {
double mu = (i / 10f);
Point p = BezierPath.cubicBezier(p0, p1, p2, p3, mu);
g.addPoint(p);
System.out.println(mu + " " + p);
}
p0 = p3;
}
ll = layers.addLineLayer(1, new LineStyle(Color.CYAN, 2f));
ll.addLine(g);
}
public synchronized void clear() {
layers.clear();
setReady(false);
}
@Override
protected synchronized void update(GLViewport v) {
if (mMapPosition.scale == 0)
mMapPosition.copy(v.pos);
if (!isReady()) {
compile();
}
}
}

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/*
* Copyright 2013 Hannes Janetzek
*
* This file is part of the OpenScienceMap project (http://www.opensciencemap.org).
*
* This program 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 3 of the License, or (at your option) any later version.
*
* This program 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 program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.oscim.renderer.test;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.nio.FloatBuffer;
import org.oscim.backend.GL20;
import org.oscim.core.MapPosition;
import org.oscim.map.Map;
import org.oscim.renderer.GLState;
import org.oscim.renderer.GLUtils;
import org.oscim.renderer.GLViewport;
import org.oscim.renderer.LayerRenderer;
/*
* This is an example how to integrate custom OpenGL drawing routines as map overlay
*
* based on chapter 2 from:
* https://github.com/dalinaum/opengl-es-book-samples/tree/master/Android
* */
public class CustomRenderer extends LayerRenderer {
private final Map mMap;
private final MapPosition mMapPosition;
private int mProgramObject;
private int hVertexPosition;
private int hMatrixPosition;
private FloatBuffer mVertices;
private final float[] mVerticesData = {
-200, -200, 1.0f,
200, 200, 0,
-200, 200, 0.5f,
200, -200, 0.5f,
};
private boolean mInitialized;
public CustomRenderer(Map map) {
mMap = map;
mMapPosition = new MapPosition();
}
// ---------- everything below runs in GLRender Thread ----------
@Override
protected void update(GLViewport v) {
if (!mInitialized) {
if (!init())
return;
mInitialized = true;
// fix current MapPosition
mMapPosition.copy(v.pos);
compile();
}
}
protected void compile() {
// modify mVerticesData and put in FloatBuffer
mVertices.clear();
mVertices.put(mVerticesData);
mVertices.flip();
setReady(true);
}
@Override
protected void render(GLViewport v) {
// Use the program object
GLState.useProgram(mProgramObject);
GLState.blend(true);
GLState.test(false, false);
// unbind previously bound VBOs
GL.glBindBuffer(GL20.GL_ARRAY_BUFFER, 0);
// Load the vertex data
//mVertices.position(0);
GL.glVertexAttribPointer(hVertexPosition, 3, GL20.GL_FLOAT, false, 0, mVertices);
//mVertices.position(2);
//GL.glVertexAttribPointer(hVertexPosition, 2, GL20.GL_FLOAT, false, 4, mVertices);
GLState.enableVertexArrays(hVertexPosition, -1);
/* apply view and projection matrices */
// set mvp (tmp) matrix relative to mMapPosition
// i.e. fixed on the map
float ratio = 1f / mMap.getWidth();
v.mvp.setScale(ratio, ratio, 1);
v.mvp.multiplyLhs(v.proj);
v.mvp.setAsUniform(hMatrixPosition);
// Draw the triangle
GL.glDrawArrays(GL20.GL_TRIANGLE_STRIP, 0, 4);
GLUtils.checkGlError("...");
}
private boolean init() {
// Load the vertex/fragment shaders
int programObject = GLUtils.createProgram(vShaderStr, fShaderStr);
if (programObject == 0)
return false;
// Handle for vertex position in shader
hVertexPosition = GL.glGetAttribLocation(programObject, "a_pos");
hMatrixPosition = GL.glGetUniformLocation(programObject, "u_mvp");
// Store the program object
mProgramObject = programObject;
mVertices = ByteBuffer.allocateDirect(mVerticesData.length * 4)
.order(ByteOrder.nativeOrder()).asFloatBuffer();
return true;
}
private final static String vShaderStr = "" +
"precision mediump float;"
+ "uniform mat4 u_mvp;"
+ "attribute vec4 a_pos;"
+ "varying float alpha;"
+ "void main()"
+ "{"
+ " gl_Position = u_mvp * vec4(a_pos.xy, 0.0, 1.0);"
+ " alpha = a_pos.z;"
+ "}";
private final static String fShaderStr = "" +
"precision mediump float;"
+ "varying float alpha;"
+ "void main()"
+ "{"
+ " gl_FragColor = vec4 (alpha, 1.0-alpha, 0.0, 0.7 );"
+ "}";
}

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/*
* Copyright 2013 Hannes Janetzek
*
* This file is part of the OpenScienceMap project (http://www.opensciencemap.org).
*
* This program 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 3 of the License, or (at your option) any later version.
*
* This program 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 program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.oscim.renderer.test;
import java.nio.FloatBuffer;
import org.oscim.backend.GL20;
import org.oscim.backend.canvas.Color;
import org.oscim.renderer.BufferObject;
import org.oscim.renderer.ElementRenderer;
import org.oscim.renderer.GLState;
import org.oscim.renderer.GLUtils;
import org.oscim.renderer.GLViewport;
import org.oscim.renderer.MapRenderer;
import org.oscim.utils.FastMath;
/*
* This is an example how to integrate custom OpenGL drawing routines as map overlay
*
* based on chapter 2 from:
* https://github.com/dalinaum/opengl-es-book-samples/tree/master/Android
* */
public class CustomRenderer2 extends ElementRenderer {
private int mProgramObject;
private int hVertexPosition;
private int hMatrixPosition;
private int hColorPosition;
private int hCenterPosition;
//private FloatBuffer mVertices;
private boolean mInitialized;
private BufferObject mVBO;
int mZoom = -1;
float mCellScale = 60 * MapRenderer.COORD_SCALE;
@Override
protected void update(GLViewport v) {
if (!mInitialized) {
if (!init())
return;
mInitialized = true;
compile();
// fix current MapPosition
//mMapPosition.setPosition(53.1, 8.8);
//mMapPosition.setZoomLevel(14);
}
if (mZoom != v.pos.zoomLevel) {
mMapPosition.copy(v.pos);
mZoom = v.pos.zoomLevel;
}
}
@Override
protected void compile() {
float[] vertices = new float[12];
for (int i = 0; i < 6; i++) {
vertices[i * 2 + 0] = (float) Math.cos(Math.PI * 2 * i / 6) * mCellScale;
vertices[i * 2 + 1] = (float) Math.sin(Math.PI * 2 * i / 6) * mCellScale;
}
FloatBuffer buf = MapRenderer.getFloatBuffer(12);
buf.put(vertices);
mVBO = BufferObject.get(GL20.GL_ARRAY_BUFFER, 0);
mVBO.loadBufferData(buf.flip(), 12 * 4);
setReady(true);
}
@Override
protected void render(GLViewport v) {
// Use the program object
GLState.useProgram(mProgramObject);
GLState.blend(true);
GLState.test(false, false);
// bind VBO data
mVBO.bind();
// set VBO vertex layout
GL.glVertexAttribPointer(hVertexPosition, 2, GL20.GL_FLOAT, false, 0, 0);
GLState.enableVertexArrays(hVertexPosition, -1);
/* apply view and projection matrices */
// set mvp (tmp) matrix relative to mMapPosition
// i.e. fixed on the map
setMatrix(v);
v.mvp.setAsUniform(hMatrixPosition);
final int offset_x = 4;
final int offset_y = 16;
float h = (float) (Math.sqrt(3) / 2);
for (int y = -offset_y; y < offset_y; y++) {
for (int x = -offset_x; x < offset_x; x++) {
float xx = x * 2 + (y % 2 == 0 ? 1 : 0);
float yy = y * h + h / 2;
GL.glUniform2f(hCenterPosition, xx * (mCellScale * 1.5f), yy * mCellScale);
//float alpha = 1 + (float) Math.log10(FastMath.clamp(
// (float) Math.sqrt(xx * xx + yy * yy) / offset_y, 0.0f, 1.0f)) * 2;
float alpha = (float) Math.sqrt(xx * xx + yy * yy) / offset_y;
float fy = (float) (y + offset_y) / (offset_y * 2);
float fx = (float) (x + offset_x) / (offset_x * 2);
float fz = FastMath.clamp(
(float) (x < 0 || y < 0 ? 1 - Math.sqrt(fx * fx + fy * fy)
: 0),
0,
1);
int c = 0xff << 24
| (int) (0xff * fy) << 16
| (int) (0xff * fx) << 8
| (int) (0xff * fz);
GLUtils.setColor(hColorPosition, c, alpha);
GL.glDrawArrays(GL20.GL_TRIANGLE_FAN, 0, 6);
}
}
GLUtils.setColor(hColorPosition, Color.DKGRAY, 0.3f);
for (int y = -offset_y; y < offset_y; y++) {
for (int x = -offset_x; x < offset_x; x++) {
float xx = x * 2 + (y % 2 == 0 ? 1 : 0);
float yy = y * h + h / 2;
GL.glUniform2f(hCenterPosition, xx * (mCellScale * 1.5f), yy * mCellScale);
GL.glDrawArrays(GL20.GL_LINE_LOOP, 0, 6);
}
}
GLUtils.checkGlError("...");
}
private boolean init() {
// Load the vertex/fragment shaders
int programObject = GLUtils.createProgram(vShaderStr, fShaderStr);
if (programObject == 0)
return false;
// Handle for vertex position in shader
hVertexPosition = GL.glGetAttribLocation(programObject, "a_pos");
hMatrixPosition = GL.glGetUniformLocation(programObject, "u_mvp");
hColorPosition = GL.glGetUniformLocation(programObject, "u_color");
hCenterPosition = GL.glGetUniformLocation(programObject, "u_center");
// Store the program object
mProgramObject = programObject;
return true;
}
private final static String vShaderStr = "" +
"precision mediump float;"
+ "uniform mat4 u_mvp;"
+ "uniform vec2 u_center;"
+ "attribute vec2 a_pos;"
+ "void main()"
+ "{"
+ " gl_Position = u_mvp * vec4(u_center + a_pos, 0.0, 1.0);"
+ "}";
private final static String fShaderStr = "" +
"precision mediump float;"
+ "varying float alpha;"
+ "uniform vec4 u_color;"
+ "void main()"
+ "{"
+ " gl_FragColor = u_color;"
+ "}";
}

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/*
* Copyright 2013 Hannes Janetzek
*
* This file is part of the OpenScienceMap project (http://www.opensciencemap.org).
*
* This program 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 3 of the License, or (at your option) any later version.
*
* This program 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 program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.oscim.renderer.test;
import org.oscim.backend.CanvasAdapter;
import org.oscim.renderer.ElementRenderer;
import org.oscim.renderer.GLViewport;
import org.oscim.renderer.elements.SymbolItem;
import org.oscim.renderer.elements.SymbolLayer;
public class SymbolRenderLayer extends ElementRenderer {
boolean initialize = true;
public SymbolRenderLayer() {
SymbolLayer l = new SymbolLayer();
layers.setTextureLayers(l);
SymbolItem it = SymbolItem.pool.get();
it.billboard = false;
try {
it.bitmap = CanvasAdapter.g.loadBitmapAsset("jar:symbols/cafe.png");
} catch (Exception e) {
e.printStackTrace();
}
l.addSymbol(it);
}
@Override
protected void update(GLViewport v) {
if (initialize) {
initialize = false;
mMapPosition.copy(v.pos);
compile();
}
}
}