Example usage for org.lwjgl.opengl GL11 glColor4ub

Introduction

In this page you can find the example usage for org.lwjgl.opengl GL11 glColor4ub.

Prototype

public static native void glColor4ub(@NativeType("GLubyte") byte red, @NativeType("GLubyte") byte green,
        @NativeType("GLubyte") byte blue, @NativeType("GLubyte") byte alpha);

Source Link

Document

Unsigned version of #glColor4b Color4b

Usage

From source file:name.martingeisse.stackd.client.gui.util.Color.java

License:Open Source License

/**
 * Sets this color as the current drawing color in OpenGL,
 * applying another external alpha value as well as the alpha value
 * from this color. The external alpha value too should be in the range 0..255.
 * /*from  w w  w  .j  a  v a2  s . co m*/
 * @param externalAlpha the external alpha value to apply
 */
public void glColorWithCombinedAlpha(int externalAlpha) {
    int effectiveAlpha = (alpha * externalAlpha) >> 8;
    GL11.glColor4ub((byte) red, (byte) green, (byte) blue, (byte) effectiveAlpha);
}

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From source file:net.awairo.mcmod.spawnchecker.client.marker.RenderingSupport.java

License:Minecraft Mod Public

/**
 * ???.//from   w ww .  j a v a2 s . c  om
 * 
 * @param r 
 * @param g 
 * @param b ?
 * @param a ?
 */
public static void setGLColor(int r, int g, int b, int a) {
    GL11.glColor4ub((byte) r, (byte) g, (byte) b, (byte) a);
}

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From source file:net.dries007.tfcnei.util.Helper.java

License:Open Source License

public static void drawFluidInRect(Fluid fluid, Rectangle rect) {
    IIcon fluidIcon = fluid.getIcon();//from   ww  w  . j a v a  2s.  co  m
    Minecraft.getMinecraft().getTextureManager().bindTexture(TextureMap.locationBlocksTexture);
    int color = fluid.getColor();
    GL11.glColor4ub((byte) ((color >> 16) & 255), (byte) ((color >> 8) & 255), (byte) (color & 255),
            (byte) (0xaa & 255));
    gui.drawTexturedModelRectFromIcon(rect.x, rect.y, fluidIcon, rect.width, rect.height);
}

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From source file:net.smert.frameworkgl.opengl.helpers.LegacyRenderHelper.java

License:Apache License

public void color(byte r, byte g, byte b) {
    GL11.glColor4ub(r, g, b, (byte) 255);
}

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From source file:net.smert.frameworkgl.opengl.helpers.LegacyRenderHelper.java

License:Apache License

public void color(byte r, byte g, byte b, byte a) {
    GL11.glColor4ub(r, g, b, a);
}

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From source file:org.jogamp.glg2d.GLG2DUtils.java

License:Apache License

public static void setColor(Color c, float preMultiplyAlpha) {
    int rgb = c.getRGB();
    GL11.glColor4ub((byte) (rgb >> 16 & 0xFF), (byte) (rgb >> 8 & 0xFF), (byte) (rgb & 0xFF),
            (byte) ((rgb >> 24 & 0xFF) * preMultiplyAlpha));
}

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From source file:org.jogamp.glg2d.impl.gl2.GL2ColorHelper.java

License:Apache License

private void setColor(Color c, float preMultiplyAlpha) {
    int rgb = c.getRGB();
    GL11.glColor4ub((byte) (rgb >> 16 & 0xFF), (byte) (rgb >> 8 & 0xFF), (byte) (rgb & 0xFF),
            (byte) ((rgb >> 24 & 0xFF) * preMultiplyAlpha));
}

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From source file:tk.ivybits.engine.gl.GL.java

License:Open Source License

public static void glColor4ub(byte a, byte b, byte c, byte d) {
    GL11.glColor4ub(a, b, c, d);
}

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From source file:vazkii.botania.client.core.handler.BlockHighlightRenderHandler.java

License:Open Source License

private static void renderRectangle(AxisAlignedBB aabb, boolean inner, Color color, byte alpha) {
    double renderPosX, renderPosY, renderPosZ;

    try {/*from   w  ww  . j  a  v a2  s  . c om*/
        renderPosX = (double) ClientMethodHandles.renderPosX_getter
                .invokeExact(Minecraft.getMinecraft().getRenderManager());
        renderPosY = (double) ClientMethodHandles.renderPosY_getter
                .invokeExact(Minecraft.getMinecraft().getRenderManager());
        renderPosZ = (double) ClientMethodHandles.renderPosZ_getter
                .invokeExact(Minecraft.getMinecraft().getRenderManager());
    } catch (Throwable t) {
        return;
    }

    GlStateManager.pushMatrix();
    GlStateManager.translate(aabb.minX - renderPosX, aabb.minY - renderPosY, aabb.minZ - renderPosZ);

    if (color == null)
        color = Color.getHSBColor(ClientTickHandler.ticksInGame % 200 / 200F, 0.6F, 1F);
    GL11.glColor4ub((byte) color.getRed(), (byte) color.getGreen(), (byte) color.getBlue(), alpha);

    double f = 1F / 16F;
    double x = aabb.maxX - aabb.minX - f;
    double z = aabb.maxZ - aabb.minZ - f;

    Tessellator tessellator = Tessellator.getInstance();
    tessellator.getBuffer().begin(GL11.GL_QUADS, DefaultVertexFormats.POSITION);
    tessellator.getBuffer().pos(x, f, f).endVertex();
    tessellator.getBuffer().pos(f, f, f).endVertex();
    tessellator.getBuffer().pos(f, f, z).endVertex();
    tessellator.getBuffer().pos(x, f, z).endVertex();
    tessellator.draw();

    if (inner) {
        x += f;
        z += f;
        double f1 = f + f / 4F;
        GL11.glColor4ub((byte) color.getRed(), (byte) color.getGreen(), (byte) color.getBlue(),
                (byte) (alpha * 2));
        tessellator.getBuffer().begin(GL11.GL_QUADS, DefaultVertexFormats.POSITION);
        tessellator.getBuffer().pos(x, f1, 0).endVertex();
        tessellator.getBuffer().pos(0, f1, 0).endVertex();
        tessellator.getBuffer().pos(0, f1, z).endVertex();
        tessellator.getBuffer().pos(x, f1, z).endVertex();
        tessellator.draw();
    }

    GL11.glColor4ub((byte) 255, (byte) 255, (byte) 255, (byte) 255);
    GlStateManager.popMatrix();
}

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From source file:vazkii.botania.client.core.handler.BlockHighlightRenderHandler.java

License:Open Source License

private static void renderCircle(BlockPos center, double radius) {
    double renderPosX, renderPosY, renderPosZ;

    try {//w  ww.j  a  v a  2 s .  c  om
        renderPosX = (double) ClientMethodHandles.renderPosX_getter
                .invokeExact(Minecraft.getMinecraft().getRenderManager());
        renderPosY = (double) ClientMethodHandles.renderPosY_getter
                .invokeExact(Minecraft.getMinecraft().getRenderManager());
        renderPosZ = (double) ClientMethodHandles.renderPosZ_getter
                .invokeExact(Minecraft.getMinecraft().getRenderManager());
    } catch (Throwable t) {
        return;
    }

    GlStateManager.pushMatrix();
    double x = center.getX() + 0.5;
    double y = center.getY();
    double z = center.getZ() + 0.5;
    GlStateManager.translate(x - renderPosX, y - renderPosY, z - renderPosZ);
    int color = Color.HSBtoRGB(ClientTickHandler.ticksInGame % 200 / 200F, 0.6F, 1F);

    Color colorRGB = new Color(color);
    GL11.glColor4ub((byte) colorRGB.getRed(), (byte) colorRGB.getGreen(), (byte) colorRGB.getBlue(), (byte) 32);

    double f = 1F / 16F;

    int totalAngles = 360;
    int drawAngles = 360;
    int step = totalAngles / drawAngles;

    radius -= f;
    Tessellator tessellator = Tessellator.getInstance();
    tessellator.getBuffer().begin(GL11.GL_TRIANGLE_FAN, DefaultVertexFormats.POSITION);
    tessellator.getBuffer().pos(0, f, 0).endVertex();
    for (int i = 0; i < totalAngles + 1; i += step) {
        double rad = (totalAngles - i) * Math.PI / 180.0;
        double xp = Math.cos(rad) * radius;
        double zp = Math.sin(rad) * radius;
        tessellator.getBuffer().pos(xp, f, zp).endVertex();
    }
    tessellator.getBuffer().pos(0, f, 0).endVertex();
    tessellator.draw();

    radius += f;
    double f1 = f + f / 4F;
    GL11.glColor4ub((byte) colorRGB.getRed(), (byte) colorRGB.getGreen(), (byte) colorRGB.getBlue(), (byte) 64);
    tessellator.getBuffer().begin(GL11.GL_TRIANGLE_FAN, DefaultVertexFormats.POSITION);
    tessellator.getBuffer().pos(0, f1, 0).endVertex();
    for (int i = 0; i < totalAngles + 1; i += step) {
        double rad = (totalAngles - i) * Math.PI / 180.0;
        double xp = Math.cos(rad) * radius;
        double zp = Math.sin(rad) * radius;
        tessellator.getBuffer().pos(xp, f1, zp).endVertex();
    }
    tessellator.getBuffer().pos(0, f1, 0).endVertex();
    tessellator.draw();
    GL11.glColor4ub((byte) 255, (byte) 255, (byte) 255, (byte) 255);
    GlStateManager.popMatrix();
}

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