Example usage for org.lwjgl.opengl GL11 glBindTexture

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

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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:com.dinasgames.engine.graphics.GL.java

public static void bindTexture(int textureId) {
    if (version >= 11) {
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, textureId);
    }
}

From source file:com.dinasgames.engine.graphics.Texture.java

public boolean create(int width, int height) {

    if (width == 0 && height == 0) {
        return false;
    }/*from w ww  .j  a  v a2  s  .com*/

    Vector2i actualSize = new Vector2i(getValidSize(width), getValidSize(height));

    int maxSize = getMaximumSize();
    if ((actualSize.x > maxSize) || (actualSize.y > maxSize)) {
        System.out.println("Failed to create texture, its internal size is too high (" + actualSize.x + ", "
                + actualSize.y + ") maximum is (" + maxSize + ", " + maxSize + ")");
        return false;
    }

    mWidth = width;
    mHeight = height;
    mActualWidth = actualSize.x;
    mActualHeight = actualSize.y;
    mPixelsFlipped = false;

    if (mTexture <= 0) {
        mTexture = GL11.glGenTextures();
    }

    int textureEdgeClamp = GL.clampToEdge();

    GL11.glBindTexture(GL11.GL_TEXTURE_2D, mTexture);
    GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA, mActualWidth, mActualHeight, 0, GL11.GL_RGBA,
            GL11.GL_UNSIGNED_BYTE, 0);
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S,
            (mRepeated ? GL11.GL_REPEAT : textureEdgeClamp));
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T,
            (mRepeated ? GL11.GL_REPEAT : textureEdgeClamp));
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER,
            (mSmooth ? GL11.GL_LINEAR : GL11.GL_NEAREST));
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER,
            (mSmooth ? GL11.GL_LINEAR : GL11.GL_NEAREST));
    mCacheId = getUniqueId();

    return true;

}

From source file:com.dinasgames.engine.graphics.Texture.java

public boolean loadFromImage(Image image, BoundingBox area) {

    int width = image.getWidth();
    int height = image.getHeight();

    if (area.width == 0 || area.height == 0
            || (area.x <= 0 && area.y <= 0 && area.width >= width && area.height >= height)) {

        // Load entire image
        if (create(width, height)) {

            update(image);//from www  . j  a  va  2s  .  co m
            GL11.glFlush();

            return true;
        }

        return false;

    } else {

        // Load part of the image
        BoundingBox r = new BoundingBox(area);
        if (r.x < 0) {
            r.x = 0;
        }
        if (r.y < 0) {
            r.y = 0;
        }
        if (r.x + r.width > width) {
            r.width = width - r.x;
        }
        if (r.y + r.height > height) {
            r.height = height - r.y;
        }

        if (create((int) r.width, (int) r.height)) {

            ByteBuffer pixels = image.toByteBuffer();
            int pos = 4 * ((int) r.x + (width * (int) r.y));

            GL11.glBindTexture(GL11.GL_TEXTURE_2D, mTexture);

            for (int i = 0; i < r.height; i++) {
                GL11.glTexSubImage2D(GL11.GL_TEXTURE_2D, 0, 0, i, (int) r.width, 1, GL11.GL_RGBA,
                        GL11.GL_UNSIGNED_BYTE, pixels);
                pos += 4 * width;
            }

            GL11.glFlush();

            return true;
        }

        return false;

    }

}

From source file:com.dinasgames.engine.graphics.Texture.java

public Image copyToImage() {

    if (mTexture <= 0) {
        return null;
    }/*from ww  w. ja  v a2s .  c o  m*/

    ByteBuffer pixels = BufferUtils.createByteBuffer(mWidth * mHeight * 4);

    if ((mWidth == mActualWidth && mHeight == mActualHeight) && !mPixelsFlipped) {
        // Direct copy
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, mTexture);
        GL11.glGetTexImage(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA, GL11.GL_UNSIGNED_BYTE, pixels);
    } else {

        ByteBuffer allPixels = BufferUtils.createByteBuffer(mActualWidth * mActualHeight * 4);
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, mTexture);
        GL11.glGetTexImage(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA, GL11.GL_UNSIGNED_BYTE, allPixels);

        byte[] src = allPixels.array();
        byte[] dst = pixels.array();
        int srcPitch = mActualWidth * 4;
        int dstPitch = mActualHeight * 4;
        int srcI = 0;
        int dstI = 0;

        if (mPixelsFlipped) {
            srcI += srcPitch * (mHeight - 1);
            srcPitch = -srcPitch;
        }

        int k = 0;
        for (int i = 0; i < mHeight; i++) {
            for (int j = 0; j < dstPitch; j++) {
                dst[k++] = src[i + j];
            }
            srcI += srcPitch;
            dstI += dstPitch;
        }

    }

    // Create the image
    Image image = new Image();
    image.create(mWidth, mHeight, pixels.array());

    return image;

}

From source file:com.dinasgames.engine.graphics.Texture.java

protected void update(ByteBuffer pixels, int width, int height, int x, int y) {

    assert (x + width <= mWidth);
    assert (y + height <= mHeight);

    if (pixels != null && mTexture > 0) {
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, mTexture);
        GL11.glTexSubImage2D(GL11.GL_TEXTURE_2D, 0, x, y, width, height, GL11.GL_RGBA, GL11.GL_UNSIGNED_BYTE,
                pixels);//from w  w w .j  a v  a2s .co  m
        mPixelsFlipped = false;
        mCacheId = getUniqueId();
    }

}

From source file:com.dinasgames.engine.graphics.Texture.java

protected void update(Window window, int x, int y) {

    assert (x + window.getWidth() <= mWidth);
    assert (y + window.getHeight() <= mHeight);

    if (mTexture > 0 && window.setActive(true)) {
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, mTexture);
        GL11.glCopyTexSubImage2D(GL11.GL_TEXTURE_2D, 0, x, y, 0, 0, window.getWidth(), window.getHeight());
        mPixelsFlipped = true;//  w w  w . j  a  v a  2  s  . co m
        mCacheId = getUniqueId();
    }

}

From source file:com.dinasgames.engine.graphics.Texture.java

public Texture setSmooth(boolean smooth) {

    if (smooth != mSmooth) {

        mSmooth = smooth;//from  ww w.  j av a2s . c o m

        if (mTexture > 0) {
            GL11.glBindTexture(GL11.GL_TEXTURE_2D, mTexture);
            GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER,
                    (mSmooth ? GL11.GL_LINEAR : GL11.GL_NEAREST));
            GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER,
                    (mSmooth ? GL11.GL_LINEAR : GL11.GL_NEAREST));
        }

    }

    return this;

}

From source file:com.dinasgames.engine.graphics.Texture.java

public Texture setRepeated(boolean repeated) {

    if (mRepeated != repeated) {

        mRepeated = repeated;//from ww w .jav a  2 s. co m

        if (mTexture > 0) {

            int textureEdgeClamp = GL.clampToEdge();

            GL11.glBindTexture(GL11.GL_TEXTURE_2D, mTexture);
            GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S,
                    (mRepeated ? GL11.GL_REPEAT : textureEdgeClamp));
            GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T,
                    (mRepeated ? GL11.GL_REPEAT : textureEdgeClamp));

        }

    }

    return this;

}

From source file:com.dinasgames.engine.graphics.Texture.java

public static void bind(Texture texture, CoordinateType type) {

    if (texture != null && texture.getTextureID() > 0) {

        GL11.glBindTexture(GL11.GL_TEXTURE_2D, texture.getTextureID());

        if ((type == CoordinateType.Pixels) || texture.getPixelsFlipped()) {

            float matrix[] = new float[] { 1.f, 0.f, 0.f, 0.f, 0.f, 1.f, 0.f, 0.f, 0.f, 0.f, 1.f, 0.f, 0.f, 0.f,
                    0.f, 1.f };//from  w  w  w  . j  av a 2 s . c o  m

            if (type == CoordinateType.Pixels) {
                matrix[0] = 1.f / texture.getActualWidth();
                matrix[5] = 1.f / texture.getActualHeight();
            }

            if (texture.getPixelsFlipped()) {
                matrix[5] = -matrix[5];
                matrix[13] = (float) (texture.getHeight() / texture.getActualHeight());
            }

            GL.setMatrixMode(GL.MatrixMode.Texture);
            GL.loadMatrix(matrix);

            GL.setMatrixMode(GL.MatrixMode.ModelView);

        }

    } else {

        GL11.glBindTexture(GL11.GL_TEXTURE_2D, 0);

        GL.setMatrixMode(GL.MatrixMode.Texture);
        GL.loadIdentity();

        GL.setMatrixMode(GL.MatrixMode.ModelView);

    }

}

From source file:com.dyonovan.tcnodetracker.lib.truetyper.TrueTypeFont.java

License:Open Source License

public void drawString(float x, float y, String whatchars, int startIndex, int endIndex, float scaleX,
        float scaleY, int format, float... rgba) {
    if (rgba.length == 0)
        rgba = new float[] { 1f, 1f, 1f, 1f };
    GL11.glPushMatrix();//from ww  w . j av a  2 s. co  m
    GL11.glScalef(scaleX, scaleY, 1.0f);

    FloatObject floatObject = null;
    int charCurrent;

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

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

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

    }
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, fontTextureID);
    Tessellator t = Tessellator.instance;
    t.startDrawingQuads();
    //   GL11.glBegin(GL11.GL_QUADS);
    if (rgba.length == 4)
        t.setColorRGBA_F(rgba[0], rgba[1], rgba[2], rgba[3]);
    while (i >= startIndex && i <= endIndex) {

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

        if (floatObject != null) {
            if (d < 0)
                totalwidth += (floatObject.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) {
                            floatObject = charArray[charCurrent];
                        } else {
                            floatObject = (FloatObject) customChars.get(new Character((char) charCurrent));
                        }
                        totalwidth += floatObject.width - correctL;
                    }
                    totalwidth /= -2;
                }
                //if center get next lines total width/2;
            } else {
                drawQuad((totalwidth + floatObject.width) + x / scaleX, startY + y / scaleY,
                        totalwidth + x / scaleX, (startY + floatObject.height) + y / scaleY,
                        floatObject.storedX + floatObject.width, floatObject.storedY + floatObject.height,
                        floatObject.storedX, floatObject.storedY);
                if (d > 0)
                    totalwidth += (floatObject.width - c) * d;
            }
            i += d;

        }
    }
    t.draw();
    //   GL11.glEnd();

    GL11.glPopMatrix();
}