Example usage for org.lwjgl.opengl GL11 glBlendFunc

List of usage examples for org.lwjgl.opengl GL11 glBlendFunc

  1. HOME
  2. Java
  3. org.lwjgl.opengl
  4. org.lwjgl.opengl.*
  5. GL11
  6. glBlendFunc

Introduction

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

Prototype

public static void glBlendFunc(@NativeType("GLenum") int sfactor, @NativeType("GLenum") int dfactor)

Source Link

Document

Specifies the weighting factors used by the blend equation, for both RGB and alpha functions and for all draw buffers.

Usage

From source file:mwisbest.openbase.gui.Button.java

License:Open Source License

@Override
public void render() {
    GL11.glPushMatrix();/*from  www . j  av  a 2s . c  o  m*/
    GL11.glEnable(GL11.GL_BLEND);
    GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
    GL11.glDepthMask(false);
    GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
    if (Common.currentTextureID != this.texture.getTextureID()) {
        int texID = this.texture.getTextureID();
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, texID);
        Common.currentTextureID = texID;
    }
    GL11.glTranslatef(this.x, this.y, 0);
    GL11.glBegin(GL11.GL_QUADS);
    GL11.glTexCoord2f(0, 0);
    GL11.glVertex2f(0, 0);
    GL11.glTexCoord2f(0, this.texture.getHeight());
    GL11.glVertex2f(0, this.height);
    GL11.glTexCoord2f(this.texture.getWidth(), this.texture.getHeight());
    GL11.glVertex2f(this.width, this.height);
    GL11.glTexCoord2f(this.texture.getWidth(), 0);
    GL11.glVertex2f(this.width, 0);
    GL11.glEnd();
    GL11.glPopMatrix();
}

From source file:mwisbest.openbase.opengl.UtilsGL.java

License:Open Source License

/**
 * Draws the specified texture to positions x and y on the screen and scaled with the specified width and height
 * /* w w  w . j  a va  2  s.c o m*/
 * @param texture
 * @param x
 * @param y
 * @param width
 * @param height
 */
public static void drawTexture(Texture texture, int x, int y, int width, int height) {
    GL11.glPushMatrix();
    GL11.glEnable(GL11.GL_BLEND);
    GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
    GL11.glDepthMask(false);
    GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
    if (Common.currentTextureID != texture.getTextureID()) {
        int texID = texture.getTextureID();
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, texID);
        Common.currentTextureID = texID;
    }
    GL11.glTranslatef(x, y, 0);
    GL11.glBegin(GL11.GL_QUADS);
    GL11.glTexCoord2f(0, 0);
    GL11.glVertex2f(0, 0);
    GL11.glTexCoord2f(0, texture.getHeight());
    GL11.glVertex2f(0, height);
    GL11.glTexCoord2f(texture.getWidth(), texture.getHeight());
    GL11.glVertex2f(width, height);
    GL11.glTexCoord2f(texture.getWidth(), 0);
    GL11.glVertex2f(width, 0);
    GL11.glEnd();
    GL11.glPopMatrix();
}

From source file:myfirstgame.Window.java

public void init(int width, int height) {

    Window.width = width;/*from  w  ww. j  a  v a 2  s .co m*/
    Window.height = height;

    try { //Look for a displaymode with matching width and height that supports fullscreen, set it to the displaymode we want to use.
        DisplayMode displayMode = null;
        DisplayMode[] modes = Display.getAvailableDisplayModes();

        for (int i = 0; i < modes.length; i++) {
            if (modes[i].getWidth() == width && modes[i].getHeight() == height
                    && modes[i].isFullscreenCapable()) {
                displayMode = modes[i];
            }
        }
        Display.setDisplayMode(displayMode);
        Display.setFullscreen(true);
        Display.create();

    } catch (Exception e) {
        e.printStackTrace();
        System.exit(0);
    }

    GL11.glMatrixMode(GL11.GL_PROJECTION);
    GL11.glLoadIdentity();
    GL11.glOrtho(0, 800, 0, 600, 1, -1);
    GL11.glMatrixMode(GL11.GL_MODELVIEW);
    GL11.glEnable(GL11.GL_TEXTURE_2D);
    GL11.glEnable(GL11.GL_BLEND);
    GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
    GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_NEAREST);

    try {
        Mouse.create();
        Keyboard.create();
    } catch (LWJGLException ex) {
        Logger.getLogger(Window.class.getName()).log(Level.SEVERE, null, ex);
    }
    //Mouse.setGrabbed(true);
}

From source file:name.martingeisse.stackd.client.gui.element.TextLine.java

License:Open Source License

@Override
public void handleEvent(final GuiEvent event) {
    if (event == GuiEvent.DRAW) {
        final Font effectiveFont = getEffectiveFont();
        GL11.glDisable(GL11.GL_TEXTURE_2D);
        GL11.glEnable(GL11.GL_BLEND);/*from   w  w  w . ja  v a 2  s  .  co m*/
        GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
        GL11.glPixelTransferf(GL11.GL_RED_SCALE, 0.0f);
        GL11.glPixelTransferf(GL11.GL_GREEN_SCALE, 0.0f);
        GL11.glPixelTransferf(GL11.GL_BLUE_SCALE, 0.0f);
        GL11.glPixelTransferf(GL11.GL_ALPHA_SCALE, 1.0f);
        GL11.glPixelTransferf(GL11.GL_RED_BIAS, color.getRed() / 255.0f);
        GL11.glPixelTransferf(GL11.GL_GREEN_BIAS, color.getGreen() / 255.0f);
        GL11.glPixelTransferf(GL11.GL_BLUE_BIAS, color.getBlue() / 255.0f);
        GL11.glPixelTransferf(GL11.GL_ALPHA_BIAS, 0.0f);

        // TODO scale font so text doesn't become smaller with higher resolution
        Gui gui = getGui();
        int x = gui.unitsToPixelsInt(getAbsoluteX());
        int y = getGui().getHeightPixels() - gui.unitsToPixelsInt(getAbsoluteY());
        glWindowPos2i(x, y);

        effectiveFont.drawText(text, 1.0f, Font.ALIGN_LEFT, Font.ALIGN_TOP);
    }
}

From source file:name.martingeisse.stackd.client.gui.element.TextParagraph.java

License:Open Source License

@Override
public void handleEvent(final GuiEvent event) {
    if (event == GuiEvent.DRAW) {
        final Font effectiveFont = getEffectiveFont();
        GL11.glDisable(GL11.GL_TEXTURE_2D);
        GL11.glEnable(GL11.GL_BLEND);/*from  www  . j  a  va  2  s. c o m*/
        GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
        GL11.glPixelTransferf(GL11.GL_RED_SCALE, 0.0f);
        GL11.glPixelTransferf(GL11.GL_GREEN_SCALE, 0.0f);
        GL11.glPixelTransferf(GL11.GL_BLUE_SCALE, 0.0f);
        GL11.glPixelTransferf(GL11.GL_ALPHA_SCALE, 1.0f);
        GL11.glPixelTransferf(GL11.GL_RED_BIAS, color.getRed() / 255.0f);
        GL11.glPixelTransferf(GL11.GL_GREEN_BIAS, color.getGreen() / 255.0f);
        GL11.glPixelTransferf(GL11.GL_BLUE_BIAS, color.getBlue() / 255.0f);
        GL11.glPixelTransferf(GL11.GL_ALPHA_BIAS, 0.0f);

        // TODO scale font so text doesn't become smaller with higher resolution
        final Gui gui = getGui();
        final int x = gui.unitsToPixelsInt(getAbsoluteX());
        final int y = getGui().getHeightPixels() - gui.unitsToPixelsInt(getAbsoluteY());

        final int lineHeight = effectiveFont.getCharacterHeight();
        int i = 0;
        for (String line : lines) {
            glWindowPos2i(x, y - i * lineHeight);
            effectiveFont.drawText(line, 1.0f, Font.ALIGN_LEFT, Font.ALIGN_TOP);
            i++;
        }

    }
}

From source file:net.ae97.notlet.client.GameInstance.java

License:Open Source License

public static void createTextures() throws LWJGLException {
    Display.setDisplayMode(new DisplayMode(width, height));
    Display.create();//from w w  w . j av a 2s .  com
    Display.setVSyncEnabled(true);

    GL11.glEnable(GL11.GL_TEXTURE_2D);

    GL11.glClearColor(0.0f, 0.0f, 0.0f, 0.0f);

    // enable alpha blending
    GL11.glEnable(GL11.GL_BLEND);
    GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);

    GL11.glViewport(0, 0, width, height);
    GL11.glMatrixMode(GL11.GL_MODELVIEW);

    GL11.glMatrixMode(GL11.GL_PROJECTION);
    GL11.glLoadIdentity();
    GL11.glOrtho(0, width, height, 0, 1, -1);
    GL11.glMatrixMode(GL11.GL_MODELVIEW);

    Font awtFont = new Font("Times New Roman", Font.BOLD, 18);
    font = new TrueTypeFont(awtFont, true);

    try {
        textureMapping.put("SMALLLET",
                TextureLoader.getTexture("PNG", ResourceLoader.getResourceAsStream("SMALLLET.png")));
        textureMapping.put("healthbar",
                TextureLoader.getTexture("PNG", ResourceLoader.getResourceAsStream("healthbar.png")));
        textureMapping.put("score",
                TextureLoader.getTexture("PNG", ResourceLoader.getResourceAsStream("score.png")));
        textureMapping.put("arrow",
                TextureLoader.getTexture("PNG", ResourceLoader.getResourceAsStream("arrow.png")));
        textureMapping.put("dirt",
                TextureLoader.getTexture("PNG", ResourceLoader.getResourceAsStream("dirt.png")));
        textureMapping.put("rangerD",
                TextureLoader.getTexture("PNG", ResourceLoader.getResourceAsStream("rangerD.png")));
        textureMapping.put("rangerL",
                TextureLoader.getTexture("PNG", ResourceLoader.getResourceAsStream("rangerL.png")));
        textureMapping.put("rangerR",
                TextureLoader.getTexture("PNG", ResourceLoader.getResourceAsStream("rangerR.png")));
        textureMapping.put("rangerU",
                TextureLoader.getTexture("PNG", ResourceLoader.getResourceAsStream("rangerU.png")));
        textureMapping.put("skele",
                TextureLoader.getTexture("PNG", ResourceLoader.getResourceAsStream("skele.png")));
        textureMapping.put("slime",
                TextureLoader.getTexture("PNG", ResourceLoader.getResourceAsStream("slime.png")));
        textureMapping.put("hp", TextureLoader.getTexture("PNG", ResourceLoader.getResourceAsStream("hp.png")));
        textureMapping.put("pb", TextureLoader.getTexture("PNG", ResourceLoader.getResourceAsStream("pb.png")));
        textureMapping.put("wall",
                TextureLoader.getTexture("PNG", ResourceLoader.getResourceAsStream("wall.png")));
        textureMapping.put("exit",
                TextureLoader.getTexture("PNG", ResourceLoader.getResourceAsStream("exit.png")));
    } catch (IOException ex) {
        throw new RuntimeException(ex);
    }
}

From source file:net.BiggerOnTheInside.Binder.Binder.java

License:Open Source License

/**
 * <p>Sets up OpenGL.</p>//from   ww w  .j  a va  2s.  com
 */
public void initGL() {
    int width = displayMode.getWidth();
    int height = displayMode.getHeight();

    /* Enable 2D texturing. */
    GL11.glEnable(GL11.GL_TEXTURE_2D);

    /* Make all models smoothly textured. */
    GL11.glShadeModel(GL11.GL_SMOOTH);

    /* Set the background color to that signature blue. */
    GL11.glClearColor(0.9f, 1.0f, 1.0f, 0.0f);

    /* Set the clear depth to all-the-way */
    GL11.glClearDepth(1.0);

    /* Enable the depth system. */
    GL11.glEnable(GL11.GL_DEPTH_TEST);

    /* Set the function for depth to GL_LEQUAL. */
    GL11.glDepthFunc(GL11.GL_LEQUAL);

    GL11.glEnable(GL11.GL_BLEND);
    GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);

    /* Enable face culling, basically don't render this face relative to the camera's position. */
    GL11.glEnable(GL11.GL_CULL_FACE);

    /* Set OpenGL to cull the back face of our spatials. */
    GL11.glCullFace(GL11.GL_BACK);

    /* Set the matrix mode to projection. */
    GL11.glMatrixMode(GL11.GL_PROJECTION);

    /* Reset the OpenGL configuration, loading our above prefrences. */
    //GL11.glLoadIdentity();

    /* Set the perspective. */
    GLU.gluPerspective(45.0f, (float) displayMode.getWidth() / (float) displayMode.getHeight(), 0.1f, 100.0f);

    /* Set the matrix mode to be model view. */
    GL11.glMatrixMode(GL11.GL_MODELVIEW);

    /* Set the perspective correction hint to finest quality. */
    GL11.glHint(GL11.GL_PERSPECTIVE_CORRECTION_HINT, GL11.GL_NICEST);
}

From source file:net.cortexmodders.lyoko.client.render.RenderUtil.java

License:MIT License

public static void renderWireframe(AxisAlignedBB box) {
    // render wireframe
    GL11.glPushMatrix();/*from   w  w w .j ava 2  s  . c  om*/
    GL11.glEnable(GL11.GL_BLEND);
    GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
    GL11.glColor4f(0.0F, 0.0F, 0.0F, 0.4F);
    GL11.glLineWidth(2.0F);
    GL11.glDisable(GL11.GL_TEXTURE_2D);
    GL11.glDepthMask(false);

    Tessellator tessellator = Tessellator.instance;
    tessellator.startDrawing(3);
    tessellator.addVertex(box.minX, box.minY, box.minZ);
    tessellator.addVertex(box.maxX, box.minY, box.minZ);
    tessellator.addVertex(box.maxX, box.minY, box.maxZ);
    tessellator.addVertex(box.minX, box.minY, box.maxZ);
    tessellator.addVertex(box.minX, box.minY, box.minZ);
    tessellator.draw();
    tessellator.startDrawing(3);
    tessellator.addVertex(box.minX, box.maxY, box.minZ);
    tessellator.addVertex(box.maxX, box.maxY, box.minZ);
    tessellator.addVertex(box.maxX, box.maxY, box.maxZ);
    tessellator.addVertex(box.minX, box.maxY, box.maxZ);
    tessellator.addVertex(box.minX, box.maxY, box.minZ);
    tessellator.draw();
    tessellator.startDrawing(1);
    tessellator.addVertex(box.minX, box.minY, box.minZ);
    tessellator.addVertex(box.minX, box.maxY, box.minZ);
    tessellator.addVertex(box.maxX, box.minY, box.minZ);
    tessellator.addVertex(box.maxX, box.maxY, box.minZ);
    tessellator.addVertex(box.maxX, box.minY, box.maxZ);
    tessellator.addVertex(box.maxX, box.maxY, box.maxZ);
    tessellator.addVertex(box.minX, box.minY, box.maxZ);
    tessellator.addVertex(box.minX, box.maxY, box.maxZ);
    tessellator.draw();

    GL11.glDepthMask(true);
    GL11.glEnable(GL11.GL_TEXTURE_2D);
    GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
    GL11.glDisable(GL11.GL_BLEND);
    GL11.glPopMatrix();
}

From source file:net.cortexmodders.lyoko.client.render.RenderUtil.java

License:MIT License

/**
 * called for things with alpha. thank you MachineMuse. :D
 *//*from w w  w . j  a  va  2s. c  o  m*/
public static void alphaOn() {
    GL11.glPushAttrib(GL11.GL_COLOR_BUFFER_BIT);
    GL11.glPushAttrib(GL11.GL_LIGHTING_BIT);
    if (Minecraft.isFancyGraphicsEnabled()) {
        GL11.glShadeModel(GL11.GL_SMOOTH);
        GL11.glEnable(GL11.GL_BLEND);
        GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
    }
}

From source file:net.kubin.rendering.GLFont.java

License:Apache License

/**
 * Render a text string in 2D over the scene, using the character set
 * created by this GLFont object./*  w w w  .  j  a  v a 2s.  co m*/
 *
 * @see makeFont()
 */
public void print(int x, int y, String msg) {
    if (msg != null) {
        GL11.glPushMatrix();
        GL11.glEnable(GL11.GL_BLEND);
        GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
        // enable the charset texture
        GL11.glEnable(GL11.GL_TEXTURE_2D);
        texture.bind();
        // draw the text
        GL11.glTranslatef(x, y, 0); // Position The Text (in pixel coords)
        IntBuffer buffer = BufferUtils.createIntBuffer(msg.length());

        for (int i = 0; i < msg.length(); i++) {
            buffer.put(fontListBase + (msg.charAt(i) - 32));
        }

        buffer.flip();
        GL11.glCallLists(buffer);
        GL11.glPopMatrix();

    }
}