Example usage for org.lwjgl.opengl GL11 glViewport

Introduction

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

Prototype

public static void glViewport(@NativeType("GLint") int x, @NativeType("GLint") int y,
        @NativeType("GLsizei") int w, @NativeType("GLsizei") int h) 

Source Link

Document

Specifies the viewport transformation parameters for all viewports.

Usage

From source file:$.DrawSystem.java

License:Open Source License

@Override
    protected void processEntities(ImmutableBag<Entity> entities) {
        GL11.glClearColor(0.1f, 0, 0, 1f);
        GL11.glClear(GL11.GL_COLOR_BUFFER_BIT);
        List<Entity> entititesSortedByZ = new ArrayList<>(entities.size());
        for (int i = 0, n = entities.size(); i < n; ++i) {
            final Entity e = entities.get(i);
            if (e.isEnabled()) {
                entititesSortedByZ.add(e);
            }//w  w w  . java  2  s .  c  o  m
        }
        Collections.sort(entititesSortedByZ, zComparator);

        GL11.glPushAttrib(GL11.GL_ENABLE_BIT | GL11.GL_TRANSFORM_BIT | GL11.GL_HINT_BIT | GL11.GL_COLOR_BUFFER_BIT
                | GL11.GL_SCISSOR_BIT | GL11.GL_LINE_BIT | GL11.GL_TEXTURE_BIT);
        GL11.glMatrixMode(GL11.GL_PROJECTION);
        GL11.glPushMatrix();
        GL11.glLoadIdentity();

        updateViewPort();
        GL11.glViewport(viewPort.x, viewPort.y, viewPort.width, viewPort.height);
        GLU.gluOrtho2D(-toolkit.getVirtualResolutionWidth() / 2.0f, toolkit.getVirtualResolutionWidth() / 2.0f,
                toolkit.getVirtualResolutionHeight() / 2.0f, -toolkit.getVirtualResolutionHeight() / 2.0f);
        GL11.glMatrixMode(GL11.GL_MODELVIEW);
        GL11.glPushMatrix();
        GL11.glLoadIdentity();
        GL11.glEnable(GL11.GL_TEXTURE_2D);
        GL11.glEnable(GL11.GL_BLEND);
        GL11.glEnable(GL11.GL_LINE_SMOOTH);
        GL11.glDisable(GL11.GL_DEPTH_TEST);
        GL11.glDisable(GL11.GL_LIGHTING);
        GL11.glDisable(GL11.GL_SCISSOR_TEST);
        GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
        GL11.glHint(GL11.GL_LINE_SMOOTH_HINT, GL11.GL_NICEST);

        Game game = (Game) world;
        Entity hero = game.getHero();
        if (null != hero) {
            Sprite heroSprite = spriteMapper.get(hero);
            Vector heroPos = spriteProjector.project(heroSprite.getPosition());
            GL11.glTranslatef(-heroPos.x, -heroPos.y, 0.0f);
        }

        for (Entity e : entititesSortedByZ) {
            MainMenu mainMenu = mainMenuMapper.getSafe(e);
            if (null != mainMenu) {
                mainMenu.draw();
            }
            DialogueComponent dialog = dialogMapper.getSafe(e);
            if (null != dialog) {
                dialog.draw();
            }
            Level level = levelMapper.getSafe(e);
            if (null != level) {
                drawLevel(level);
            }
            Sprite sprite = spriteMapper.getSafe(e);
            if (null != sprite) {
                drawSprite(sprite);
            }
        }
        GL11.glPopMatrix();
        GL11.glMatrixMode(GL11.GL_PROJECTION);
        GL11.glPopMatrix();
        GL11.glPopAttrib();

    }

---

From source file:a1.Main.java

License:Open Source License

private void setView(int screenWidth, int screenHeight) {
    GL11.glViewport(0, 0, screenWidth, screenHeight);

    GL11.glMatrixMode(GL11.GL_PROJECTION);
    GL11.glLoadIdentity();//from w w  w  . j  a  v a  2  s.  c om
    GL11.glOrtho(0, screenWidth, screenHeight, 0, -1, 1);

    GL11.glMatrixMode(GL11.GL_MODELVIEW);
    GL11.glLoadIdentity();
}

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From source file:akarnokd.opengl.experiment.FontExample.java

License:Apache License

/**
 * Initialise the GL display//w  w w.j a  v a2 s . c o  m
 * 
 * @param width The width of the display
 * @param height The height of the display
 */
private void initGL(int width, int height) {
    try {
        Display.setDisplayMode(new DisplayMode(width, height));
        Display.create();
        Display.setVSyncEnabled(true);
    } catch (LWJGLException e) {
        e.printStackTrace();
        System.exit(0);
    }

    GL11.glEnable(GL11.GL_TEXTURE_2D);
    GL11.glShadeModel(GL11.GL_SMOOTH);
    GL11.glDisable(GL11.GL_DEPTH_TEST);
    GL11.glDisable(GL11.GL_LIGHTING);

    GL11.glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
    GL11.glClearDepth(1);

    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);
}

---

From source file:aphelion.client.Client.java

License:Open Source License

public static void initGL() {
    int displayWidth = Display.getWidth();
    int displayHeight = Display.getHeight();

    glDisableAll();/* w  ww  .  j  av a 2  s .c  o  m*/

    GL11.glViewport(0, 0, displayWidth, displayHeight);

    GL11.glMatrixMode(GL11.GL_PROJECTION); // Apply subsequent matrix operations to the projection matrix stack.
    GL11.glLoadIdentity();
    GL11.glOrtho(0, displayWidth, displayHeight, 0, -1, 1);

    GL11.glMatrixMode(GL11.GL_TEXTURE);
    GL11.glLoadIdentity();

    GL11.glMatrixMode(GL11.GL_MODELVIEW);
    GL11.glLoadIdentity();

    GL11.glClear(GL11.GL_COLOR_BUFFER_BIT | GL11.GL_STENCIL_BUFFER_BIT);
    AsyncTexture.unbind();

    // Enable alpha channels for images
    GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
    GL11.glEnable(GL11.GL_BLEND);

    Graph.g.setDimensions(displayWidth, displayHeight);
    Graphics.setCurrent(Graph.g);
    Graph.g.setDrawMode(Graphics.MODE_NORMAL);
}

---

From source file:ar.com.quark.backend.lwjgl.opengl.DesktopGLES20.java

License:Apache License

/**
 * {@inheritDoc}/*  w w w .  j  a  v  a  2s .  c  o  m*/
 */
@Override
public void glViewport(int x, int y, int width, int height) {
    GL11.glViewport(x, y, width, height);
}

---

From source file:arg.RenderRecipe.java

License:Open Source License

public void draw() {

    File dir = new File(Minecraft.getMinecraft().mcDataDir, "recipes");
    if (!dir.exists() && !dir.mkdirs()) {
        throw new RuntimeException("The recipes directory could not be created: " + dir);
    }/*from ww  w. jav  a  2s  .  c o m*/

    name = name.replace(" ", "");
    File file = new File(Minecraft.getMinecraft().mcDataDir, "recipes/" + name + ".png");

    if (file.exists())
        return;

    GL11.glPushMatrix();
    GL11.glPushAttrib(GL11.GL_ALL_ATTRIB_BITS);
    GL11.glPushClientAttrib(GL11.GL_ALL_CLIENT_ATTRIB_BITS);
    GL11.glClear(GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT);

    GL11.glMatrixMode(GL11.GL_PROJECTION);
    GL11.glLoadIdentity();
    GL11.glViewport(0, 0, width, height);
    GL11.glOrtho(0.0D, xSize, ySize, 0.0D, 1000.0D, 3000.0D);
    GL11.glMatrixMode(GL11.GL_MODELVIEW);
    GL11.glLoadIdentity();
    GL11.glTranslatef(0.0F, 0.0F, -2000.0F);
    GL11.glLineWidth(1.0F);

    GL11.glEnable(GL11.GL_COLOR_MATERIAL);

    try {
        drawScreen(0, 0, 0);
    } catch (Exception e) {
        e.printStackTrace();
    }

    int[] pixels = new int[width * height];
    int bindex;

    ByteBuffer fb = ByteBuffer.allocateDirect(width * height * 3);

    GL11.glReadPixels(0, 0, width, height, GL11.GL_RGB, GL11.GL_UNSIGNED_BYTE, fb);
    GL11.glPopMatrix();
    GL11.glPopAttrib();
    GL11.glPopClientAttrib();
    GL11.glClear(GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT);
    try {
        Display.swapBuffers();
    } catch (LWJGLException e1) {
        e1.printStackTrace();
    }

    BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);

    for (int x = 0; x < width; x++) {
        for (int y = 0; y < height; y++) {
            int i = (x + (width * y)) * 3;
            int r = fb.get(i) & 0xFF;
            int g = fb.get(i + 1) & 0xFF;
            int b = fb.get(i + 2) & 0xFF;
            image.setRGB(x, height - (y + 1), (0xFF << 24) | (r << 16) | (g << 8) | b);
        }
    }

    try {
        ImageIO.write(image, "png", file);
    } catch (Exception e) {
        e.printStackTrace();
    }
}

---

From source file:br.com.perin.renderEngine.DisplayManager.java

public static void createDisplay() {
    // Version 3.2
    ContextAttribs attribs = new ContextAttribs(3, 2).withForwardCompatible(true).withProfileCore(true)
            .withDebug(true);/*from  w  w w .ja v a  2s .  com*/
    // Create the screen
    try {
        Display.setDisplayMode(new DisplayMode(WIDTH, HEIGHT));
        Display.create(new PixelFormat(), attribs);
        Display.setTitle(TITLE);
    } catch (LWJGLException e) {
        System.out.println(e);
    }
    GL11.glViewport(0, 0, WIDTH, HEIGHT);
}

---

From source file:br.org.archimedes.gui.opengl.OpenGLWrapper.java

License:Open Source License

/**
 * Updates the window size in the workspace and resets the openGL
 * coordinates./*from w  w w .  jav a 2  s.  co m*/
 */
public void resize() {

    if (currentCanvas != null) {
        org.eclipse.swt.graphics.Rectangle rect = currentCanvas.getClientArea();
        GL11.glOrtho(-rect.width / 2, rect.width / 2, -rect.height / 2, rect.height / 2, -1.0, 1.0);
        Rectangle window = new Rectangle(0, 0, rect.width, rect.height);
        GL11.glViewport(0, 0, rect.width, rect.height);
        br.org.archimedes.Utils.getWorkspace().setWindowSize(window);
    }
}

---

From source file:cellularautomata.CellularAutomata.java

public static void renderGL() {
    try { //Trys to create a game window size 500x700.
        Display.setDisplayMode(new org.lwjgl.opengl.DisplayMode(800, 600));
        Display.create();//from  w  w  w .ja  v a2 s  . c o  m
    } catch (LWJGLException e) { //Catches exception if game window is not created.
        e.printStackTrace();
        System.exit(0);
    }

    GL11.glEnable(GL11.GL_TEXTURE_2D);
    GL11.glShadeModel(GL11.GL_SMOOTH);
    GL11.glDisable(GL11.GL_DEPTH_TEST);
    GL11.glDisable(GL11.GL_LIGHTING);

    GL11.glClearColor(0.0f, 0.0f, 0.0f, 0.0f); //Sets colour to white.
    GL11.glClearDepth(1);

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

    GL11.glViewport(0, 0, 800, 600);
    GL11.glMatrixMode(GL11.GL_MODELVIEW);

    GL11.glMatrixMode(GL11.GL_PROJECTION);
    GL11.glLoadIdentity();
    GL11.glOrtho(0, 800, 600, 0, 1, -1);
    GL11.glMatrixMode(GL11.GL_MODELVIEW);

    Display.setVSyncEnabled(vsync);
}

---

From source file:colonialdisplay.AntDisplayGL.java

@Override
protected void initGL() {
    Rectangle bounds = canvas.getClientArea();
    GL11.glViewport(bounds.x, bounds.y, bounds.width, bounds.height);

    GL11.glMatrixMode(GL11.GL_PROJECTION);
    GL11.glLoadIdentity();//w w w.  j a v a 2 s  .co  m

    GL11.glOrtho(0, bounds.width, bounds.height, 0, 1, -1);

    GL11.glMatrixMode(GL11.GL_MODELVIEW);
    GL11.glLoadIdentity();
    initTextures();
    GL11.glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
    createModel();
}

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