Example usage for org.lwjgl.opengl GL11 glEnd

Introduction

In this page you can find the example usage for org.lwjgl.opengl GL11 glEnd.

Prototype

public static native void glEnd();

Source Link

Document

Ends the definition of vertex attributes of a sequence of primitives to be transferred to the GL.

Usage

From source file:io.github.minecraftgui.controllers.Render.java

License:Open Source License

public void drawCustomPolygon(int[] x, int[] y, Color color) {
    if (color.getAlpha() != 0 && x.length == y.length) {
        GL11.glDisable(GL11.GL_TEXTURE_2D);
        GL11.glEnable(GL11.GL_BLEND);/*from  ww w.ja va 2  s.c o m*/
        GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
        GL11.glColor4f((color.getRed() / 255.0f), (color.getGreen() / 255.0f), (color.getBlue() / 255.0f),
                (color.getAlpha() / 255.0f));

        GL11.glBegin(GL11.GL_LINES);
        {
            for (int i = 0; i < x.length; i++) {
                if (i < x.length - 1) {
                    GL11.glVertex2f(x[i], y[i]);
                    GL11.glVertex2f(x[i + 1], y[i + 1]);
                } else {
                    GL11.glVertex2f(x[i], y[i]);
                    GL11.glVertex2f(x[0], y[0]);
                }
            }
        }
        GL11.glEnd();
        GL11.glEnable(GL11.GL_TEXTURE_2D);
    }
}

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From source file:io.github.minecraftgui.controllers.Render.java

License:Open Source License

public void fillCustomPolygon(double x, double y, double[][] positions, Color color) {
    if (color.getAlpha() != 0) {
        GL11.glDisable(GL11.GL_TEXTURE_2D);
        GL11.glEnable(GL11.GL_BLEND);//from w w w .  j a v  a 2s.c  o m
        GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
        GL11.glColor4f((color.getRed() / 255.0f), (color.getGreen() / 255.0f), (color.getBlue() / 255.0f),
                (color.getAlpha() / 255.0f));

        GL11.glBegin(GL11.GL_POLYGON);
        {
            for (int i = 0; i < positions.length; i++)
                GL11.glVertex2d(x + positions[i][0], y + positions[i][1]);
        }
        GL11.glEnd();
        GL11.glEnable(GL11.GL_TEXTURE_2D);
    }
}

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From source file:io.github.minecraftgui.controllers.Render.java

License:Open Source License

public void drawLine(int x0, int y0, int x1, int y1, Color color) {
    if (color.getAlpha() != 0) {
        GL11.glDisable(GL11.GL_TEXTURE_2D);
        GL11.glEnable(GL11.GL_BLEND);//from   w  ww.j  av  a2  s.  co  m
        GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
        GL11.glColor4f((color.getRed() / 255.0f), (color.getGreen() / 255.0f), (color.getBlue() / 255.0f),
                (color.getAlpha() / 255.0f));

        GL11.glBegin(GL11.GL_LINES);
        {
            GL11.glVertex2f(x0, y0);

            GL11.glVertex2f(x1, y1);
        }
        GL11.glEnd();
        GL11.glEnable(GL11.GL_TEXTURE_2D);
    }
}

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From source file:io.github.minecraftgui.controllers.Render.java

License:Open Source License

public void fillRectangle(double x, double y, double width, double height, Color color) {
    if (color.getAlpha() != 0) {
        GL11.glDisable(GL11.GL_TEXTURE_2D);
        GL11.glEnable(GL11.GL_BLEND);//  w ww.j ava 2s . c  om
        GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
        GL11.glColor4f((color.getRed() / 255.0f), (color.getGreen() / 255.0f), (color.getBlue() / 255.0f),
                (color.getAlpha() / 255.0f));

        GL11.glBegin(GL11.GL_QUADS);
        {
            GL11.glVertex2d(x, y);

            GL11.glVertex2d(x, y + height);

            GL11.glVertex2d(x + width, y + height);

            GL11.glVertex2d(x + width, y);
        }
        GL11.glEnd();
        GL11.glEnable(GL11.GL_TEXTURE_2D);
    }
}

---

From source file:io.github.minecraftgui.controllers.Render.java

License:Open Source License

public void drawRectangle(double x, double y, double width, double height, Color color) {
    if (color.getAlpha() != 0) {
        GL11.glDisable(GL11.GL_TEXTURE_2D);
        GL11.glEnable(GL11.GL_BLEND);//w  w w  . j  av a 2  s .  c o  m
        GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);

        GL11.glColor4f((color.getRed() / 255.0f), (color.getGreen() / 255.0f), (color.getBlue() / 255.0f),
                (color.getAlpha() / 255.0f));

        GL11.glBegin(GL11.GL_LINES);
        {
            GL11.glVertex2d(x, y);
            GL11.glVertex2d(x, y + height);

            GL11.glVertex2d(x, y + height);
            GL11.glVertex2d(x + width, y + height);

            GL11.glVertex2d(x + width, y + height);
            GL11.glVertex2d(x + width, y);

            GL11.glVertex2d(x + width, y);
            GL11.glVertex2d(x, y);
        }
        GL11.glEnd();
        GL11.glEnable(GL11.GL_TEXTURE_2D);
    }
}

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From source file:io.github.minecraftgui.controllers.Render.java

License:Open Source License

public void drawTexture(Texture texture, double x, double y, double width, double height) {
    GL11.glEnable(GL11.GL_TEXTURE_2D);/*from   w  ww .ja  v  a 2  s .  c o m*/
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, texture.getTextureID());
    GL11.glEnable(GL11.GL_BLEND);
    GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);

    GL11.glColor4f(1, 1, 1, 1);

    GL11.glBegin(GL11.GL_QUADS);
    {
        GL11.glTexCoord2f(0, 0);
        GL11.glVertex2d(x, y);

        GL11.glTexCoord2f(0, texture.getHeight());
        GL11.glVertex2d(x, y + height);

        GL11.glTexCoord2f(texture.getWidth(), texture.getHeight());
        GL11.glVertex2d(x + width, y + height);

        GL11.glTexCoord2f(texture.getWidth(), 0);
        GL11.glVertex2d(x + width, y);
    }
    GL11.glEnd();

    modInterface.bindMinecraftTextures();
}

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From source file:io.root.gfx.glutils.GL.java

License:Apache License

public static void glEnd() {
    GL11.glEnd();
}

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From source file:itdelatrisu.opsu.render.CurveRenderState.java

License:Open Source License

/**
 * Draw a curve to the screen that's tinted with `color`. The first time
 * this is called this caches the image result of the curve and on subsequent
 * runs it just draws the cached copy to the screen.
 * @param color tint of the curve//  www.  ja va2  s  . co  m
 * @param borderColor the curve border color
 * @param curve the points along the curve to be drawn
 */
public void draw(Color color, Color borderColor, Vec2f[] curve) {
    float alpha = color.a;

    // if this curve hasn't been drawn, draw it and cache the result
    if (fbo == null) {
        FrameBufferCache cache = FrameBufferCache.getInstance();
        Rendertarget mapping = cache.get(hitObject);
        if (mapping == null)
            mapping = cache.insert(hitObject);
        fbo = mapping;

        int oldFb = GL11.glGetInteger(EXTFramebufferObject.GL_FRAMEBUFFER_BINDING_EXT);
        int oldTex = GL11.glGetInteger(GL11.GL_TEXTURE_BINDING_2D);

        //glGetInteger requires a buffer of size 16, even though just 4
        //values are returned in this specific case
        IntBuffer oldViewport = BufferUtils.createIntBuffer(16);
        GL11.glGetInteger(GL11.GL_VIEWPORT, oldViewport);
        EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, fbo.getID());
        GL11.glViewport(0, 0, fbo.width, fbo.height);
        GL11.glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
        GL11.glClear(GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT);
        Colors.WHITE_FADE.a = 1.0f;
        this.draw_curve(color, borderColor, curve);
        color.a = 1f;

        GL11.glBindTexture(GL11.GL_TEXTURE_2D, oldTex);
        EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, oldFb);
        GL11.glViewport(oldViewport.get(0), oldViewport.get(1), oldViewport.get(2), oldViewport.get(3));
        Colors.WHITE_FADE.a = alpha;
    }

    // draw a fullscreen quad with the texture that contains the curve
    GL11.glEnable(GL11.GL_TEXTURE_2D);
    GL11.glDisable(GL11.GL_TEXTURE_1D);
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, fbo.getTextureID());
    GL11.glBegin(GL11.GL_QUADS);
    GL11.glColor4f(1.0f, 1.0f, 1.0f, alpha);
    GL11.glTexCoord2f(1.0f, 1.0f);
    GL11.glVertex2i(fbo.width, 0);
    GL11.glTexCoord2f(0.0f, 1.0f);
    GL11.glVertex2i(0, 0);
    GL11.glTexCoord2f(0.0f, 0.0f);
    GL11.glVertex2i(0, fbo.height);
    GL11.glTexCoord2f(1.0f, 0.0f);
    GL11.glVertex2i(fbo.width, fbo.height);
    GL11.glEnd();
}

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From source file:itemrender.client.RenderTickHandler.java

License:MIT License

@SubscribeEvent
public void tick(TickEvent.RenderTickEvent event) {
    if (event.phase == TickEvent.Phase.END)
        if (keybindToRender != null && renderPreview) {
            int originalTexture = GL11.glGetInteger(GL11.GL_TEXTURE_BINDING_2D);

            // Bind framebuffer texture
            keybindToRender.fbo.bind();//  ww w  .ja va  2 s  . co m
            GL11.glBegin(GL11.GL_QUADS);
            GL11.glTexCoord2f(0, 0);
            GL11.glVertex2i(0, 0);
            GL11.glTexCoord2f(0, 1);
            GL11.glVertex2i(0, 128);
            GL11.glTexCoord2f(1, 1);
            GL11.glVertex2i(128, 128);
            GL11.glTexCoord2f(1, 0);
            GL11.glVertex2i(128, 0);
            GL11.glEnd();

            // Restore old texture
            GlStateManager.bindTexture(originalTexture);
        }
}

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From source file:kinect.KinectModule.java

License:Open Source License

/**
 * Mthode de dessin de cercle OPenGL//from   w ww. j  a  v a  2s.  c om
 * @param userID l'ID de l'utilisateur
 * @param joint la position du joint  dessiner
 */
private void drawCircle(int userID, SkeletonJoint joint) {
    SkeletonJointPosition pos = joints.get(userID).get(joint);
    Vec2 position = new Vec2(pos.getPosition().getX(), Display.getHeight() - pos.getPosition().getY());
    float radius = 5;
    GL11.glBegin(GL11.GL_TRIANGLE_FAN);
    GL11.glVertex2f(position.x, position.y);
    float angle = 0.0f;
    for (angle = 0; angle < 2.0 * Math.PI + 0.0001;) {
        float xpos = (float) (position.x + Math.cos(angle) * radius);
        float ypos = (float) (position.y + Math.sin(angle) * radius);
        GL11.glVertex2f(xpos, ypos);
        angle += 2.0 * Math.PI / 20;
    }
    GL11.glEnd();

}

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