Java tutorial
/* Copyright (C) 2010 Copyright 2010 Google Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 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 General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ package com.googlecode.gwtquake.client; import com.google.gwt.core.client.JsArrayInteger; import com.google.gwt.html5.client.CanvasElement; import com.google.gwt.html5.client.CanvasRenderingContext2D; import com.googlecode.gwtquake.shared.client.Renderer; import com.googlecode.gwtquake.shared.render.GlRenderer; import com.googlecode.gwtquake.shared.render.GlState; import com.googlecode.gwtquake.shared.render.Images; import com.googlecode.gwtquake.shared.render.Image; import com.googlecode.gwtquake.shared.sys.KBD; public class GwtWireframeGLRenderer extends GlRenderer implements Renderer { KBD kbd = new GwtKBD(); private CanvasRenderingContext2D ctx; public GwtWireframeGLRenderer(final CanvasElement canvas) { super(canvas.getWidth(), canvas.getHeight()); GlState.gl = new WireframeGl1Context(canvas); init(); } public KBD getKeyboardHandler() { return kbd; } @Override public void DrawChar_(int x, int y, int num) { ctx.setGlobalAlpha(1); num &= 255; if ((num & 127) == 32) return; // space if (y <= -8) return; // totally off screen switch (num) { case 11: num = '_'; break; case 13: num = '>'; break; default: if (num < 32) { num = '+'; } } ctx.fillText("" + (char) num, x, y + 10); } public void DrawStretchPic(int x, int y, int w, int h, String pic) { super.DrawStretchPic(x, y, w, h, pic); ctx.setGlobalAlpha(1); ctx.fillText(pic.substring(pic.lastIndexOf('_') + 1), x, y + 10); } public void DrawPic(int x, int y, String pic) { super.DrawPic(x, y, pic); ctx.setGlobalAlpha(1); ctx.fillText(pic.substring(pic.lastIndexOf('_') + 1), x, y + 10); } @Override public void GL_ResampleTexture(int[] in, int inwidth, int inheight, int[] out, int outwidth, int outheight) { // TODO(haustein) Auto-generated method stub // Should be simple with canvas and is not needed for wireframe } static native JsArrayInteger getImageSize(String name) /*-{ return $wnd.__imageSizes[name]; }-*/; public Image GL_LoadNewImage(final String name, int type) { final Image image = Images.GL_Find_free_image_t(name, type); JsArrayInteger d = getImageSize(name); if (d == null) { GlState.gl.log("Size not found for " + name); image.width = 128; image.height = 128; } else { image.width = d.get(0); image.height = d.get(1); } return image; } }