Example usage for org.lwjgl.opengl GL11 glBindTexture

Introduction

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

Prototype

public static void glBindTexture(@NativeType("GLenum") int target, @NativeType("GLuint") int texture) 

Source Link

Document

Binds the a texture to a texture target.

Usage

From source file:im.bci.jnuit.lwjgl.assets.AssetsLoader.java

License:Open Source License

public Texture grabScreenToTexture() {
    int maxSize = GL11.glGetInteger(GL11.GL_MAX_TEXTURE_SIZE);
    Texture texture = new Texture(Math.min(maxSize, LwjglHelper.getWidth()),
            Math.min(maxSize, LwjglHelper.getHeight()), false);
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, texture.getId());
    LwjglHelper.setupGLTextureParams();/*from   w  w  w .  jav a2s  . c om*/
    GL11.glCopyTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGB, 0, 0, texture.getWidth(), texture.getHeight(), 0);
    return texture;
}

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From source file:im.bci.jnuit.lwjgl.assets.AssetsLoader.java

License:Open Source License

private Texture loadPngTexture(String name) throws FileNotFoundException, IOException {
    InputStream is = vfs.open(name);
    try {//w ww.j a v  a 2 s.  co m
        PNGDecoder decoder = new PNGDecoder(is);
        int bpp;
        PNGDecoder.Format format;
        int pixelFormat;
        int texWidth = decoder.getWidth();
        int texHeight = decoder.getHeight();
        boolean hasAlpha = decoder.hasAlpha();
        if (hasAlpha) {
            bpp = 4;
            format = PNGDecoder.Format.RGBA;
            pixelFormat = GL11.GL_RGBA;
        } else {
            bpp = 3;
            format = PNGDecoder.Format.RGB;
            pixelFormat = GL11.GL_RGB;
        }

        int stride = bpp * texWidth;
        ByteBuffer buffer = ByteBuffer.allocateDirect(stride * texHeight);
        decoder.decode(buffer, stride, format);
        buffer.flip();
        Texture texture = new Texture(texWidth, texHeight, hasAlpha);
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, texture.getId());
        GL11.glPixelStorei(GL11.GL_UNPACK_ALIGNMENT, 1);
        LwjglHelper.setupGLTextureParams();
        GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, pixelFormat, texWidth, texHeight, 0, pixelFormat,
                GL11.GL_UNSIGNED_BYTE, buffer);
        return texture;
    } finally {
        is.close();
    }
}

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From source file:im.bci.jnuit.lwjgl.assets.AssetsLoader.java

License:Open Source License

private Texture loadJpegTexture(String name) throws IOException {
    InputStream is = vfs.open(name);
    try {/*from   w w  w.  ja  v a 2  s.co  m*/
        JPEGDecoder decoder = new JPEGDecoder(is);
        decoder.startDecode();
        int texWidth = decoder.getImageWidth();
        int texHeight = decoder.getImageHeight();
        int stride = 3 * texWidth;
        ByteBuffer buffer = ByteBuffer.allocateDirect(stride * texHeight);
        decoder.decode(buffer, stride, decoder.getNumMCURows(), YUVtoRGB.instance);
        buffer.flip();
        Texture texture = new Texture(texWidth, texHeight, false);
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, texture.getId());
        GL11.glPixelStorei(GL11.GL_UNPACK_ALIGNMENT, 1);
        LwjglHelper.setupGLTextureParams();
        GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGB, texWidth, texHeight, 0, GL11.GL_RGB,
                GL11.GL_UNSIGNED_BYTE, buffer);
        return texture;
    } finally {
        is.close();
    }
}

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From source file:im.bci.jnuit.lwjgl.LwjglNuitFont.java

License:Open Source License

private void drawString(float x, float y, String whatchars, int startIndex, int endIndex, float scaleX,
        float scaleY, Align format) {

    IntObject intObject = null;//from w ww  .  jav  a2  s  .com
    int charCurrent;

    int totalwidth = 0;
    int i = startIndex, d, c;
    float startY = 0;

    switch (format) {
    case RIGHT: {
        d = -1;
        c = correctR;

        while (i < endIndex) {
            if (whatchars.charAt(i) == '\n') {
                startY -= fontHeight;
            }
            i++;
        }
        break;
    }
    case CENTER: {
        for (int l = startIndex; l <= endIndex; l++) {
            charCurrent = whatchars.charAt(l);
            if (charCurrent == '\n') {
                break;
            }
            if (charCurrent < 256) {
                intObject = charArray[charCurrent];
            } else {
                intObject = customChars.get(new Character((char) charCurrent));
            }
            totalwidth += intObject.width - correctL;
        }
        totalwidth /= -2;
    }
    case LEFT:
    default:
        d = 1;
        c = correctL;
        break;
    }

    GL11.glBindTexture(GL11.GL_TEXTURE_2D, fontTextureID);
    GL11.glBegin(GL11.GL_QUADS);

    while (i >= startIndex && i <= endIndex) {

        charCurrent = whatchars.charAt(i);
        if (charCurrent < 256) {
            intObject = charArray[charCurrent];
        } else {
            intObject = customChars.get(new Character((char) charCurrent));
        }

        if (intObject != null) {
            if (d < 0) {
                totalwidth += (intObject.width - c) * d;
            }
            if (charCurrent == '\n') {
                startY -= fontHeight * d;
                totalwidth = 0;
                if (format == Align.CENTER) {
                    for (int l = i + 1; l <= endIndex; l++) {
                        charCurrent = whatchars.charAt(l);
                        if (charCurrent == '\n') {
                            break;
                        }
                        if (charCurrent < 256) {
                            intObject = charArray[charCurrent];
                        } else {
                            intObject = customChars.get(new Character((char) charCurrent));
                        }
                        totalwidth += intObject.width - correctL;
                    }
                    totalwidth /= -2;
                }
                // if center get next lines total width/2;
            } else {
                drawQuad((totalwidth + intObject.width) * scaleX + x, startY * scaleY + y,
                        totalwidth * scaleX + x, (startY + intObject.height) * scaleY + y,
                        intObject.storedX + intObject.width, intObject.storedY + intObject.height,
                        intObject.storedX, intObject.storedY);
                if (d > 0) {
                    totalwidth += (intObject.width - c) * d;
                }
            }
            i += d;

        }
    }
    GL11.glEnd();
}

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From source file:im.bci.jnuit.lwjgl.LwjglNuitFont.java

License:Open Source License

public static int loadImage(BufferedImage bufferedImage) {
    short width = (short) bufferedImage.getWidth();
    short height = (short) bufferedImage.getHeight();
    // textureLoader.bpp = bufferedImage.getColorModel().hasAlpha() ?
    // (byte)32 : (byte)24;
    int bpp = (byte) bufferedImage.getColorModel().getPixelSize();
    ByteBuffer byteBuffer;//from   ww  w.j av a 2  s .  c o m
    DataBuffer db = bufferedImage.getData().getDataBuffer();
    if (db instanceof DataBufferInt) {
        int intI[] = ((DataBufferInt) (bufferedImage.getData().getDataBuffer())).getData();
        byte newI[] = new byte[intI.length * 4];
        for (int i = 0; i < intI.length; i++) {
            byte b[] = intToByteArray(intI[i]);
            int newIndex = i * 4;

            newI[newIndex] = b[1];
            newI[newIndex + 1] = b[2];
            newI[newIndex + 2] = b[3];
            newI[newIndex + 3] = b[0];
        }

        byteBuffer = ByteBuffer.allocateDirect(width * height * (bpp / 8)).order(ByteOrder.nativeOrder())
                .put(newI);
    } else {
        byteBuffer = ByteBuffer.allocateDirect(width * height * (bpp / 8)).order(ByteOrder.nativeOrder())
                .put(((DataBufferByte) (bufferedImage.getData().getDataBuffer())).getData());
    }
    byteBuffer.flip();

    int internalFormat = GL11.GL_RGBA8, format = GL11.GL_RGBA;
    IntBuffer textureId = BufferUtils.createIntBuffer(1);
    GL11.glGenTextures(textureId);
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, textureId.get(0));

    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, GL11.GL_CLAMP);
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, GL11.GL_CLAMP);

    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);

    GL11.glTexEnvf(GL11.GL_TEXTURE_ENV, GL11.GL_TEXTURE_ENV_MODE, GL11.GL_MODULATE);

    GLU.gluBuild2DMipmaps(GL11.GL_TEXTURE_2D, internalFormat, width, height, format, GL11.GL_UNSIGNED_BYTE,
            byteBuffer);
    return textureId.get(0);
}

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From source file:im.bci.jnuit.lwjgl.LwjglNuitFont.java

License:Open Source License

public void deleteFontTexture() {
    IntBuffer scratch = BufferUtils.createIntBuffer(1);
    scratch.put(0, fontTextureID);//from   w  w w  . j  ava  2 s. c o  m
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, 0);
    GL11.glDeleteTextures(scratch);
}

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From source file:im.bci.jnuit.lwjgl.LwjglNuitRenderer.java

License:Open Source License

@Override
public void visit(Widget widget, TexturedBackground background) {
    IAnimationFrame frame = background.getPlay().getCurrentFrame();
    if (null != frame) {
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, (Integer) frame.getImage().getId());
        float x1 = widget.getX();
        float x2 = widget.getX() + widget.getWidth();
        float y1 = widget.getY();
        float y2 = widget.getY() + widget.getHeight();
        float u1 = background.isMirrorX() ? frame.getU2() : frame.getU1();
        float v1 = background.isMirrorY() ? frame.getV2() : frame.getV1();
        float u2 = background.isMirrorX() ? frame.getU1() : frame.getU2();
        float v2 = background.isMirrorY() ? frame.getV1() : frame.getV2();
        GL11.glBegin(GL11.GL_QUADS);//from   w w w  .  j  a  va  2s  .com
        GL11.glTexCoord2f(u1, v2);
        GL11.glVertex2f(x1, y2);
        GL11.glTexCoord2f(u2, v2);
        GL11.glVertex2f(x2, y2);
        GL11.glTexCoord2f(u2, v1);
        GL11.glVertex2f(x2, y1);
        GL11.glTexCoord2f(u1, v1);
        GL11.glVertex2f(x1, y1);
        GL11.glEnd();
    }
}

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From source file:im.bci.jnuit.lwjgl.sprite.SpriteBatcher.java

License:Open Source License

private void flush() {
    if (currentSpriteInBatch > 0) {
        boolean hasAlpha = true;
        if (hasAlpha) {
            GL11.glEnable(GL11.GL_BLEND);
        }//from   w ww .j  a va 2 s  .co  m
        texCoords.flip();
        vertices.flip();
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, (Integer) currentImage.getId());
        GL11.glTexCoordPointer(2, 0, texCoords);
        GL11.glVertexPointer(2, 0, vertices);
        GL11.glColor4ub(currentColor.getRedByte(), currentColor.getGreenByte(), currentColor.getBlueByte(),
                currentColor.getAlphaByte());
        GL11.glDrawArrays(GL11.GL_QUADS, 0, currentSpriteInBatch * 4);
        if (hasAlpha) {
            GL11.glDisable(GL11.GL_BLEND);
        }
        GL11.glColor3f(1f, 1f, 1f);
        texCoords.rewind();
        texCoords.limit(texCoords.capacity());
        vertices.rewind();
        vertices.limit(texCoords.capacity());

        currentSpriteInBatch = 0;
    }
}

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From source file:info.plugmania.novacraft.gui.Button.java

License:GNU General Public License

@Override()
public void draw(Screen screen) {
    FontRenderer fr = Minecraft.getMinecraft().fontRenderer;
    GL11.glBindTexture(GL11.GL_TEXTURE_2D,
            Minecraft.getMinecraft().novaCraftClient.getRenderManager().addTexture("/gui/gui.png"));
    GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
    boolean isMouseOver = screen.getMouseX(offset) >= this.getX() && screen.getMouseY(offset) >= this.getY()
            && screen.getMouseX(offset) < this.getX() + this.getWidth()
            && screen.getMouseY(offset) < this.getY() + this.getHeight();

    screen.drawTexturedModalRect(getScreenX(screen), getScreenY(screen), 0,
            46 + getHoverState(isMouseOver) * 20, this.width / 2, this.height);
    screen.drawTexturedModalRect(getScreenX(screen) + this.width / 2, getScreenY(screen), 200 - this.width / 2,
            46 + getHoverState(isMouseOver) * 20, this.width / 2, this.height);
    int colour = 14737632;

    if (!this.enabled) {
        colour = -6250336;//from   ww  w.  j a  v  a 2s.c  o m
    } else if (isMouseOver) {
        colour = 16777120;
    }

    screen.drawCentredString(getContent(), getScreenX(screen) + getCentreX(),
            getScreenY(screen) + (getCentreY() - 4), colour);
}

---

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);//ww w  .j  a va2s. com
    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();
}

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