List of glPixelStorei() Examples

Examples of glPixelStorei()

javax.media.opengl.GL.glPixelStorei()
Interface to C language function:
void {@native glPixelStorei}(GLenum pname, GLint param);
javax.media.opengl.GL2.glPixelStorei()

Examples of javax.media.opengl.GL.glPixelStorei()

            logger.warning("Image data for texture is null.");
        }


        // set alignment to support images with width % 4 != 0, as images are
        // not aligned
        gl.glPixelStorei(GL.GL_UNPACK_ALIGNMENT, 1);


        // Get texture image data. Not all textures have image data.
        // For example, ApplyMode.Combine modes can use primary colors,
        // texture output, and constants to modify fragments via the
        // texture units.

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Examples of javax.media.opengl.GL2.glPixelStorei()

        gl.glColor4f(1.0f, 1.0f, 1.0f, alpha);


        // reset the polygon mode
        gl.glPolygonMode(GL.GL_FRONT_AND_BACK, GL2.GL_FILL);


        gl.glPixelStorei(GL.GL_UNPACK_ALIGNMENT, 1);


        // load identity modelview and projection matrix
        gl.glMatrixMode(GL2.GL_MODELVIEW);
        gl.glPushMatrix();
        gl.glLoadIdentity();

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Examples of javax.media.opengl.GL2.glPixelStorei()

        /*
         * raster position is upper left corner, default for Java3D
         * ImageComponent currently has the data reverse in Y
         */
        gl.glPixelZoom(1.0f, -1.0f);
        gl.glPixelStorei(GL2.GL_UNPACK_ROW_LENGTH, depthWidth);
        if (srcOffsetX >= 0) {
            gl.glPixelStorei(GL2.GL_UNPACK_SKIP_PIXELS, srcOffsetX);
            if (srcOffsetX + rasterWidth > depthWidth) {
                rasterWidth = depthWidth - srcOffsetX;
            }

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Examples of javax.media.opengl.GL2.glPixelStorei()

         * ImageComponent currently has the data reverse in Y
         */
        gl.glPixelZoom(1.0f, -1.0f);
        gl.glPixelStorei(GL2.GL_UNPACK_ROW_LENGTH, depthWidth);
        if (srcOffsetX >= 0) {
            gl.glPixelStorei(GL2.GL_UNPACK_SKIP_PIXELS, srcOffsetX);
            if (srcOffsetX + rasterWidth > depthWidth) {
                rasterWidth = depthWidth - srcOffsetX;
            }
        } else {
            rasterWidth += srcOffsetX;

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Examples of javax.media.opengl.GL2.glPixelStorei()

            if (rasterWidth > depthWidth) {
                rasterWidth  = depthWidth;
            }
        }
        if (srcOffsetY >= 0) {
            gl.glPixelStorei(GL2.GL_UNPACK_SKIP_ROWS, srcOffsetY);
            if (srcOffsetY + rasterHeight > depthHeight) {
                rasterHeight = depthHeight - srcOffsetY;
            }
        } else {
      rasterHeight += srcOffsetY;

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Examples of javax.media.opengl.GL2.glPixelStorei()

        }


        /* re-enable draw buffer */
        gl.glDrawBuffer(drawBuf[0]);


        gl.glPixelStorei(GL2.GL_UNPACK_ROW_LENGTH, 0);
        gl.glPixelStorei(GL2.GL_UNPACK_SKIP_PIXELS, 0);
        gl.glPixelStorei(GL2.GL_UNPACK_SKIP_ROWS, 0);


    }

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Examples of javax.media.opengl.GL2.glPixelStorei()


        /* re-enable draw buffer */
        gl.glDrawBuffer(drawBuf[0]);


        gl.glPixelStorei(GL2.GL_UNPACK_ROW_LENGTH, 0);
        gl.glPixelStorei(GL2.GL_UNPACK_SKIP_PIXELS, 0);
        gl.glPixelStorei(GL2.GL_UNPACK_SKIP_ROWS, 0);


    }


    // The native method for setting the ModelView matrix.

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Examples of javax.media.opengl.GL2.glPixelStorei()


        // Reset the polygon mode
        gl.glPolygonMode(GL.GL_FRONT_AND_BACK, GL2.GL_FILL);


        gl.glDepthMask(false);
        gl.glPixelStorei(GL.GL_UNPACK_ALIGNMENT, 1);
        gl.glBindTexture(GL.GL_TEXTURE_2D, objectId);
        // set up texture parameter
        gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MAG_FILTER, GL.GL_NEAREST);
        gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MIN_FILTER, GL.GL_NEAREST);
        gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_WRAP_S, GL.GL_REPEAT);

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Examples of javax.media.opengl.GL2.glPixelStorei()

                case ImageComponentRetained.TYPE_BYTE_RGB:
                    glType = GL.GL_RGB;
                    break;
            }
        }
        gl.glPixelStorei(GL2.GL_UNPACK_ROW_LENGTH, rasWidth);
        gl.glPixelStorei(GL2.GL_UNPACK_SKIP_PIXELS, minX);
        gl.glPixelStorei(GL2.GL_UNPACK_SKIP_ROWS, minY);
        gl.glTexSubImage2D(GL.GL_TEXTURE_2D, 0, minX, minY,
                maxX - minX, maxY - minY,
                glType, GL.GL_UNSIGNED_BYTE,

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Examples of javax.media.opengl.GL2.glPixelStorei()

                    glType = GL.GL_RGB;
                    break;
            }
        }
        gl.glPixelStorei(GL2.GL_UNPACK_ROW_LENGTH, rasWidth);
        gl.glPixelStorei(GL2.GL_UNPACK_SKIP_PIXELS, minX);
        gl.glPixelStorei(GL2.GL_UNPACK_SKIP_ROWS, minY);
        gl.glTexSubImage2D(GL.GL_TEXTURE_2D, 0, minX, minY,
                maxX - minX, maxY - minY,
                glType, GL.GL_UNSIGNED_BYTE,
                ByteBuffer.wrap(imageYdown));

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