org.getspout.spout.gui.GenericGradient.java Source code

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Here is the source code for org.getspout.spout.gui.GenericGradient.java

Source

/*
 * This file is part of Spoutcraft (http://wiki.getspout.org/).
 * 
 * Spoutcraft 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.
 *
 * Spoutcraft 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.getspout.spout.gui;

import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;

import org.getspout.spout.packet.PacketUtil;
import org.lwjgl.opengl.GL11;
import net.minecraft.src.Tessellator;

public class GenericGradient extends GenericWidget implements Gradient {

    protected Color color1 = new Color(0.06F, 0.06F, 0.06F, 0.75F), color2 = new Color(0.06F, 0.06F, 0.06F, 0.82F);

    public GenericGradient() {

    }

    public Gradient setTopColor(Color color) {
        this.color1 = color;
        return this;
    }

    public Gradient setBottomColor(Color color) {
        this.color2 = color;
        return this;
    }

    public Color getTopColor() {
        return this.color1;
    }

    public Color getBottomColor() {
        return this.color2;
    }

    @Override
    public WidgetType getType() {
        return WidgetType.Gradient;
    }

    @Override
    public int getNumBytes() {
        return super.getNumBytes() + 32;
    }

    public int getVersion() {
        return super.getVersion() + 0;
    }

    @Override
    public void readData(DataInputStream input) throws IOException {
        super.readData(input);
        this.setTopColor(PacketUtil.readColor(input));
        this.setBottomColor(PacketUtil.readColor(input));
    }

    @Override
    public void writeData(DataOutputStream output) throws IOException {
        super.writeData(output);
        PacketUtil.writeColor(output, getTopColor());
        PacketUtil.writeColor(output, getBottomColor());
    }

    @Override
    public void render() {
        GL11.glDisable(3553 /*GL_TEXTURE_2D*/);
        GL11.glEnable(3042 /*GL_BLEND*/);
        GL11.glDisable(3008 /*GL_ALPHA_TEST*/);
        GL11.glBlendFunc(770, 771);
        GL11.glShadeModel(7425 /*GL_SMOOTH*/);
        Tessellator tessellator = Tessellator.instance;
        tessellator.startDrawingQuads();
        tessellator.setColorRGBA_F(color1.getRedF(), color1.getGreenF(), color1.getBlueF(), color1.getAlphaF());
        tessellator.addVertex(getWidth() + getScreenX(), getScreenY(), 0.0D);
        tessellator.addVertex(getScreenX(), getScreenY(), 0.0D);
        tessellator.setColorRGBA_F(color2.getRedF(), color2.getGreenF(), color2.getBlueF(), color2.getAlphaF());
        tessellator.addVertex(getScreenX(), getHeight() + getScreenY(), 0.0D);
        tessellator.addVertex(getWidth() + getScreenX(), getHeight() + getScreenY(), 0.0D);
        tessellator.draw();
        GL11.glShadeModel(7424 /*GL_FLAT*/);
        GL11.glDisable(3042 /*GL_BLEND*/);
        GL11.glEnable(3008 /*GL_ALPHA_TEST*/);
        GL11.glEnable(3553 /*GL_TEXTURE_2D*/);
    }

}