Example usage for org.lwjgl.opengl GL11 glBlendFunc

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

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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:io.flob.blackheart.DisplayDriver.java

License:Open Source License

private void init_GL() {
    GL11.glClearColor(0.1F, 0.1F, 0.1F, 1.0F);
    GL11.glEnable(GL11.GL_BLEND);//www  .  j  a va 2 s. c o m
    GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
    GL11.glMatrixMode(GL11.GL_PROJECTION);
    GL11.glLoadIdentity();
    GLU.gluPerspective(60.0f, ((float) Display.getWidth()) / ((float) Display.getHeight()), 0.1f, 40.0f);
}

From source file:io.flob.clicker.DisplayDriver.java

License:Open Source License

private void init_GL() {
    GL11.glMatrixMode(GL11.GL_PROJECTION);
    GL11.glLoadIdentity();//  w  ww  . j av  a 2  s  . c o m
    GL11.glOrtho(0, width, height, 0, -1, 1);
    GL11.glMatrixMode(GL11.GL_MODELVIEW);
    GL11.glLoadIdentity();
    GL11.glEnable(GL11.GL_TEXTURE_2D);
    GL11.glShadeModel(GL11.GL_SMOOTH);
    GL11.glClearColor(0.1f, 0.1f, 0.1f, 1.0f);
    GL11.glClearDepth(1.0f);
    GL11.glEnable(GL11.GL_DEPTH_TEST);
    GL11.glDepthFunc(GL11.GL_LEQUAL);
    GL11.glHint(GL11.GL_PERSPECTIVE_CORRECTION_HINT, GL11.GL_NICEST);
    GL11.glEnable(GL11.GL_BLEND);
    GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
}

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

License:Open Source License

public void drawOval(int x, int y, int width, int height, Color color) {
    if (color.getAlpha() != 0) {
        GL11.glDisable(GL11.GL_TEXTURE_2D);
        GL11.glEnable(GL11.GL_BLEND);/*from www .j a v  a  2  s  .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_POINTS);
        {
            for (double angle = 0; angle <= 90; angle += .5) {
                double xLoc = x + width * Math.cos(angle * (Math.PI / 180));
                double yLoc = y + height * Math.sin(angle * (Math.PI / 180));
                double distanceY = yLoc - y;
                double distanceX = xLoc - x;
                GL11.glVertex2d(xLoc - distanceX * 2, yLoc - (distanceY) * 2);

                GL11.glVertex2d(xLoc - distanceX * 2, yLoc - (distanceY) * 2 + distanceY * 2);

                GL11.glVertex2d(xLoc + 1, yLoc - (distanceY) * 2 + distanceY * 2);

                GL11.glVertex2d(xLoc + 1, yLoc - (distanceY) * 2);
            }
        }
        GL11.glEnd();

        GL11.glEnable(GL11.GL_TEXTURE_2D);
    }
}

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

License:Open Source License

public void fillOval(double x0, double y0, double width, double height, Color color) {
    if (color.getAlpha() != 0) {
        GL11.glDisable(GL11.GL_TEXTURE_2D);
        GL11.glEnable(GL11.GL_BLEND);//w w  w.  ja  va2s. 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_POLYGON);
        {
            for (int i = 360; 0 <= i; i -= 2)
                GL11.glVertex2d(x0 + width * Math.cos(i * (Math.PI / 180)),
                        y0 + height * Math.sin(i * (Math.PI / 180)));
        }
        GL11.glEnd();

        GL11.glEnable(GL11.GL_TEXTURE_2D);
    }
}

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   w w  w.j av  a2 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);
    }
}

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);/*  ww  w.j a  v  a 2  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_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);
    }
}

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   ww w  .  j ava 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.glVertex2f(x0, y0);

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

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);/*from   w ww  .  j  a v a2 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_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);//from w w  w.j a 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);
        {
            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);
    }
}

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 w w.  ja v a2 s .  c  om*/
    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();
}