Example usage for org.lwjgl.opengl GL11 glVertex2i

Introduction

In this page you can find the example usage for org.lwjgl.opengl GL11 glVertex2i.

Prototype

public static native void glVertex2i(@NativeType("GLint") int x, @NativeType("GLint") int y);

Source Link

Document

Integer version of #glVertex2f Vertex2f .

Usage

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

License:Open Source License

@Override
protected void draw() {
    GL11.glDisable(GL11.GL_TEXTURE_2D);/*  w w  w  . j av a 2  s .c om*/
    GL11.glEnable(GL11.GL_BLEND);
    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
    color.glColor();
    int x = getAbsoluteX(), y = getAbsoluteY(), w = getWidth(), h = getHeight();
    GL11.glBegin(GL11.GL_TRIANGLE_FAN);
    GL11.glVertex2i(x, y);
    GL11.glVertex2i(x + w, y);
    GL11.glVertex2i(x + w, y + h);
    GL11.glVertex2i(x, y + h);
    GL11.glEnd();
}

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

License:Open Source License

@Override
protected void draw() {
    GL11.glEnable(GL11.GL_TEXTURE_2D);/*from w ww . ja  va  2s.c o m*/
    GL11.glDisable(GL11.GL_BLEND);
    texture.glBindTexture();
    final int x = getAbsoluteX(), y = getAbsoluteY(), w = getWidth(), h = getHeight();
    final Gui gui = getGui();
    final float effectiveRepetitionLengthX = (repetitionLengthX < 1 ? gui.pixelsToUnitsInt(texture.getWidth())
            : repetitionLengthX);
    final float effectiveRepetitionLengthY = (repetitionLengthY < 1 ? gui.pixelsToUnitsInt(texture.getHeight())
            : repetitionLengthY);
    final float s = (w / effectiveRepetitionLengthX);
    final float t = (h / effectiveRepetitionLengthY);

    GL11.glColor3ub((byte) 255, (byte) 255, (byte) 255);
    GL11.glBegin(GL11.GL_TRIANGLE_FAN);
    GL11.glTexCoord2f(0.0f, 0.0f);
    GL11.glVertex2i(x, y);
    GL11.glTexCoord2f(s, 0.0f);
    GL11.glVertex2i(x + w, y);
    GL11.glTexCoord2f(s, t);
    GL11.glVertex2i(x + w, y + h);
    GL11.glTexCoord2f(0.0f, t);
    GL11.glVertex2i(x, y + h);
    GL11.glEnd();
}

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

License:Open Source License

@Override
protected void draw() {
    GL11.glDisable(GL11.GL_TEXTURE_2D);//  ww  w .j  a v  a2  s.  com
    GL11.glEnable(GL11.GL_BLEND);
    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
    color.glColorWithCombinedAlpha(pulseFunction.evaluate(getGui().getTime(), period));
    final int x = getAbsoluteX(), y = getAbsoluteY(), w = getWidth(), h = getHeight();
    GL11.glBegin(GL11.GL_TRIANGLE_FAN);
    GL11.glVertex2i(x, y);
    GL11.glVertex2i(x + w, y);
    GL11.glVertex2i(x + w, y + h);
    GL11.glVertex2i(x, y + h);
    GL11.glEnd();
}

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

License:Open Source License

@Override
public void handleEvent(GuiEvent event) {
    requireWrappedElement();//from w ww  .  jav  a2s .c o m
    getWrappedElement().handleEvent(event);
    if (event == GuiEvent.DRAW) {
        GL11.glDisable(GL11.GL_TEXTURE_2D);
        GL11.glDisable(GL11.GL_BLEND);
        color.glColor();
        int sizeDelta = getGui().pixelsToUnitsInt(thickness);
        int borderOffset = sizeDelta / 2;
        int x = getAbsoluteX() + borderOffset;
        int y = getAbsoluteY() + borderOffset;
        int w = getWidth() - sizeDelta;
        int h = getHeight() - sizeDelta;
        GL11.glLineWidth(thickness);
        GL11.glBegin(GL11.GL_LINE_STRIP);
        GL11.glVertex2i(x, y);
        GL11.glVertex2i(x + w, y);
        GL11.glVertex2i(x + w, y + h);
        GL11.glVertex2i(x, y + h);
        GL11.glVertex2i(x, y);
        GL11.glEnd();
    }
}

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

License:Open Source License

@Override
public void handleEvent(GuiEvent event) {
    requireWrappedElement();//from w  w w .j  a va 2 s  . c o  m
    getWrappedElement().handleEvent(event);
    if (event == GuiEvent.DRAW) {
        GL11.glDisable(GL11.GL_TEXTURE_2D);
        GL11.glDisable(GL11.GL_BLEND);
        color.glColor();
        int x = getAbsoluteX(), y = getAbsoluteY(), w = getWidth(), h = getHeight();
        GL11.glLineWidth(thickness);
        GL11.glBegin(GL11.GL_LINE_STRIP);
        GL11.glVertex2i(x, y);
        GL11.glVertex2i(x + w, y);
        GL11.glVertex2i(x + w, y + h);
        GL11.glVertex2i(x, y + h);
        GL11.glVertex2i(x, y);
        GL11.glEnd();
    }
}

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From source file:name.martingeisse.swtlib.canvas.OpenGlImageBlockCanvas.java

License:Open Source License

@Override
protected void drawBlock(final int x, final int y) {
    palette.safeBind(getBlock(x, y));/* w ww  . j  a  v a  2 s.c  o  m*/
    GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_NEAREST);

    // glBegin/glEnd must be called per block because of changing textures
    GL11.glBegin(GL11.GL_QUADS);
    GL11.glTexCoord2f(0.0f, 0.0f);
    GL11.glVertex2i(x, y);
    GL11.glTexCoord2f(1.0f, 0.0f);
    GL11.glVertex2i(x + 1, y);
    GL11.glTexCoord2f(1.0f, 1.0f);
    GL11.glVertex2i(x + 1, y + 1);
    GL11.glTexCoord2f(0.0f, 1.0f);
    GL11.glVertex2i(x, y + 1);
    GL11.glEnd();

}

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

License:Apache License

/**
 * Build the character set display list from the given texture. Creates one
 * quad for each character, with one letter textured onto each quad. Assumes
 * the texture is a 256x256 image containing every character of the charset
 * arranged in a 16x16 grid. Each character is 16x16 pixels. Call
 * destroyFont() to release the display list memory.
 *
 * Should be in ORTHO (2D) mode to render text (see setOrtho()).
 *
 * Special thanks to NeHe and Giuseppe D'Agata for the "2D Texture Font"
 * tutorial (http://nehe.gamedev.net)./*from   w w  w  .j ava  2  s.  c o m*/
 *
 * @param charSetImage
 *            texture image containing 100 characters in a 10x10 grid
 * @param fontWidth
 *            how many pixels to allow per character on screen
 *
 * @see destroyFont()
 */
public void buildFont(int fontTxtrHandle, int textureSize, int fontSize) {
    int unitSize = fontSize; // pixel size of one block in 10x10 grid
    float usize = (float) unitSize / (float) (textureSize); // UV size of
    // one block in
    // grid
    float chU, chV; // character UV position

    // Create 100 Display Lists
    fontListBase = GL11.glGenLists(100);

    // make a quad for each character in texture
    for (int i = 0; i < 100; i++) {
        int x = (i % 10); // column
        int y = (i / 10); // row

        // make character UV coordinate
        // the character V position is tricky because we have to invert the
        // V coord
        // (char # 0 is at top of texture image, but V 0 is at bottom)
        chU = (float) (x * unitSize) / (float) textureSize;
        chV = (float) (y * unitSize) / (float) textureSize;
        // chV = (float) (textureSize - (y * unitSize) - unitSize) / (float)
        // textureSize;

        GL11.glNewList(fontListBase + i, GL11.GL_COMPILE); // start display
        // list
        {
            GL11.glBegin(GL11.GL_QUADS); // Make A unitSize square quad
            {
                GL11.glTexCoord2f(chU, chV); // Texture Coord (Bottom Left)
                GL11.glVertex2i(0, unitSize);

                GL11.glTexCoord2f(chU + usize, chV); // Texture Coord
                // (Bottom Right)
                GL11.glVertex2i(unitSize, unitSize);

                GL11.glTexCoord2f(chU + usize, chV + usize); // Texture
                // Coord
                // (Top
                // Right)
                GL11.glVertex2i(unitSize, 0);

                GL11.glTexCoord2f(chU, chV + usize); // Texture Coord (Top
                // Left)
                GL11.glVertex2i(0, 0);

            }
            GL11.glEnd();
            GL11.glTranslatef(charwidths[i], 0, 0); // shift right the width
            // of the character
        }
        GL11.glEndList(); // done display list
    }
}

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From source file:net.phatcode.rel.multimedia.Graphics.java

License:Open Source License

public void drawLine(int x1, int y1, int x2, int y2, float r, float g, float b, float a) {
    GL11.glDisable(GL11.GL_TEXTURE_2D);//from  w w w .ja  v  a 2s  .co  m
    GL11.glColor4f(r, g, b, a);

    GL11.glBegin(GL11.GL_LINES);
    GL11.glVertex2i(x1, y1);
    GL11.glVertex2i(x2, y2);
    GL11.glEnd();

    GL11.glEnable(GL11.GL_TEXTURE_2D);

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

}

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From source file:net.phatcode.rel.multimedia.Graphics.java

License:Open Source License

public void drawLine(int x1, int y1, int x2, int y2) {
    GL11.glDisable(GL11.GL_TEXTURE_2D);/* www.j  a  v a 2s.c  o  m*/

    GL11.glBegin(GL11.GL_LINES);
    GL11.glVertex2i(x1, y1);
    GL11.glVertex2i(x2, y2);
    GL11.glEnd();

    GL11.glEnable(GL11.GL_TEXTURE_2D);

}

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From source file:net.phatcode.rel.multimedia.Graphics.java

License:Open Source License

public void drawBox(int x1, int y1, int x2, int y2, float r, float g, float b, float a) {
    GL11.glDisable(GL11.GL_TEXTURE_2D);/*  w w w .  j  a  v a2  s. c o  m*/
    GL11.glColor4f(r, g, b, a);

    GL11.glBegin(GL11.GL_LINE_STRIP);
    GL11.glVertex2i(x1, y1);
    GL11.glVertex2i(x2, y1);
    GL11.glVertex2i(x2, y2);
    GL11.glVertex2i(x1, y2);
    GL11.glVertex2i(x1, y1);
    GL11.glEnd();

    GL11.glEnable(GL11.GL_TEXTURE_2D);

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

}

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