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2014/10/16 ¤W¤È 08:10:51
android Programming Glossary: byteorder.nativeorderAndroid getOrientation() method returns bad results http://stackoverflow.com/questions/10192057/android-getorientation-method-returns-bad-results bb ByteBuffer.allocateDirect 4 src.length bb.order ByteOrder.nativeOrder FloatBuffer inBuf bb.asFloatBuffer inBuf.put src return inBuf.. bb ByteBuffer.allocateDirect 2 src.length bb.order ByteOrder.nativeOrder ShortBuffer inBuf bb.asShortBuffer inBuf.put src return inBuf..
Why FloatBuffer instead of float[]? http://stackoverflow.com/questions/10697161/why-floatbuffer-instead-of-float vbb ByteBuffer.allocateDirect vertices.length 4 vbb.order ByteOrder.nativeOrder use the device hardware's native byte order FloatBuffer fb vbb.asFloatBuffer..
Modifying camera output using SurfaceTexture and OpenGL http://stackoverflow.com/questions/12519235/modifying-camera-output-using-surfacetexture-and-opengl ByteBuffer.allocateDirect squareVertices.length 4 bb.order ByteOrder.nativeOrder vertexBuffer bb.asFloatBuffer vertexBuffer.put squareVertices.. dlb ByteBuffer.allocateDirect drawOrder.length 2 dlb.order ByteOrder.nativeOrder drawListBuffer dlb.asShortBuffer drawListBuffer.put drawOrder.. textureVertices.length 4 bb2.order ByteOrder.nativeOrder textureVerticesBuffer bb2.asFloatBuffer textureVerticesBuffer.put..
What is the easiest way to draw line using OpenGL-ES (android) http://stackoverflow.com/questions/16027455/what-is-the-easiest-way-to-draw-line-using-opengl-es-android 4 use the device hardware's native byte order bb.order ByteOrder.nativeOrder create a floating point buffer from the ByteBuffer VertexBuffer..
Is Opengl Development GPU Dependant? http://stackoverflow.com/questions/17229066/is-opengl-development-gpu-dependant 4 use the device hardware's native byte order bb.order ByteOrder.nativeOrder create a floating point buffer from the ByteBuffer vertexBuffer..
Trying to draw textured triangles on device fails, but the emulator works. Why? http://stackoverflow.com/questions/2113638/trying-to-draw-textured-triangles-on-device-fails-but-the-emulator-works-why ByteBuffer.allocateDirect vertices.length 4 byteBuf.order ByteOrder.nativeOrder vertexBuffer byteBuf.asFloatBuffer vertexBuffer.put vertices.. ByteBuffer.allocateDirect texture.length 4 byteBuf.order ByteOrder.nativeOrder textureBuffer byteBuf.asFloatBuffer textureBuffer.put texture..
How to use onSensorChanged sensor data in combination with OpenGL http://stackoverflow.com/questions/2881128/how-to-use-onsensorchanged-sensor-data-in-combination-with-opengl vbb ByteBuffer.allocateDirect vertices.length 4 vbb.order ByteOrder.nativeOrder vertexBuffer vbb.asFloatBuffer vertexBuffer.put vertices vertexBuffer.position.. 0 vbb ByteBuffer.allocateDirect colors.length 4 vbb.order ByteOrder.nativeOrder colorBuffer vbb.asFloatBuffer colorBuffer.put colors colorBuffer.position..
Taking screenshot of Android OpenGL http://stackoverflow.com/questions/3310990/taking-screenshot-of-android-opengl ByteBuffer buf ByteBuffer.allocateDirect size 4 buf.order ByteOrder.nativeOrder glContext.glReadPixels 0 0 width height GL10.GL_RGBA GL10.GL_UNSIGNED_BYTE.. bb ByteBuffer.allocateDirect screenshotSize 4 bb.order ByteOrder.nativeOrder gl.glReadPixels 0 0 width height GL10.GL_RGBA GL10.GL_UNSIGNED_BYTE..
Overlay images onto Camera preview SurfaceView http://stackoverflow.com/questions/3548666/overlay-images-onto-camera-preview-surfaceview vbb ByteBuffer.allocateDirect vertices.length 4 vbb.order ByteOrder.nativeOrder mVertexBuffer vbb.asIntBuffer mVertexBuffer.put vertices mVertexBuffer.position.. cbb ByteBuffer.allocateDirect colors.length 4 cbb.order ByteOrder.nativeOrder mColorBuffer cbb.asFloatBuffer mColorBuffer.put colors mColorBuffer.position..
Android: How can you get framebuffer (screenshot) on rooted device? http://stackoverflow.com/questions/4998527/android-how-can-you-get-framebuffer-screenshot-on-rooted-device bb ByteBuffer.allocateDirect screenshotSize 4 bb.order ByteOrder.nativeOrder gl.glReadPixels 0 0 width height GL10.GL_RGBA GL10.GL_UNSIGNED_BYTE..
Access to raw data in ARGB_8888 Android Bitmap http://stackoverflow.com/questions/5010545/access-to-raw-data-in-argb-8888-android-bitmap Added in response to answer below Putting in buffer.order ByteOrder.nativeOrder before the copyPixelsToBuffer does change the result but still.. by default. Set endianess on the buffer with buffer.order ByteOrder.nativeOrder See if it helps. Moreover copyPixelsFromBuffer copyPixelsToBuffer..
Android Camera will not work. startPreview fails http://stackoverflow.com/questions/7942378/android-camera-will-not-work-startpreview-fails triangleCoords.length 4 vbb.order ByteOrder.nativeOrder use the device hardware's native byte order vertices vbb.asFloatBuffer.. vbb ByteBuffer.allocateDirect texcoordf.length 4 vbb.order ByteOrder.nativeOrder use the device hardware's native byte order texcoords vbb.asFloatBuffer..
Android getOrientation() method returns bad results http://stackoverflow.com/questions/10192057/android-getorientation-method-returns-bad-results _angleZ angle FloatBuffer InitFloatBuffer float src ByteBuffer bb ByteBuffer.allocateDirect 4 src.length bb.order ByteOrder.nativeOrder FloatBuffer inBuf bb.asFloatBuffer inBuf.put src return inBuf ShortBuffer InitShortBuffer short src ByteBuffer bb ByteBuffer.allocateDirect.. src return inBuf ShortBuffer InitShortBuffer short src ByteBuffer bb ByteBuffer.allocateDirect 2 src.length bb.order ByteOrder.nativeOrder ShortBuffer inBuf bb.asShortBuffer inBuf.put src return inBuf Init data for our rendered pyramid private void initTriangles..
Why FloatBuffer instead of float[]? http://stackoverflow.com/questions/10697161/why-floatbuffer-instead-of-float android tutorials float vertices ...some array... ByteBuffer vbb ByteBuffer.allocateDirect vertices.length 4 vbb.order ByteOrder.nativeOrder use the device hardware's native byte order FloatBuffer fb vbb.asFloatBuffer create a floating point buffer from the ByteBuffer..
Modifying camera output using SurfaceTexture and OpenGL http://stackoverflow.com/questions/12519235/modifying-camera-output-using-surfacetexture-and-opengl DirectVideo int _texture texture _texture ByteBuffer bb ByteBuffer.allocateDirect squareVertices.length 4 bb.order ByteOrder.nativeOrder vertexBuffer bb.asFloatBuffer vertexBuffer.put squareVertices vertexBuffer.position 0 ByteBuffer dlb ByteBuffer.allocateDirect.. squareVertices vertexBuffer.position 0 ByteBuffer dlb ByteBuffer.allocateDirect drawOrder.length 2 dlb.order ByteOrder.nativeOrder drawListBuffer dlb.asShortBuffer drawListBuffer.put drawOrder drawListBuffer.position 0 ByteBuffer bb2 ByteBuffer.allocateDirect.. drawOrder drawListBuffer.position 0 ByteBuffer bb2 ByteBuffer.allocateDirect textureVertices.length 4 bb2.order ByteOrder.nativeOrder textureVerticesBuffer bb2.asFloatBuffer textureVerticesBuffer.put textureVertices textureVerticesBuffer.position 0 int vertexShader..
What is the easiest way to draw line using OpenGL-ES (android) http://stackoverflow.com/questions/16027455/what-is-the-easiest-way-to-draw-line-using-opengl-es-android number of coordinate values 4 bytes per float LineCoords.length 4 use the device hardware's native byte order bb.order ByteOrder.nativeOrder create a floating point buffer from the ByteBuffer VertexBuffer bb.asFloatBuffer add the coordinates to the FloatBuffer..
Is Opengl Development GPU Dependant? http://stackoverflow.com/questions/17229066/is-opengl-development-gpu-dependant of coordinate values 4 bytes per float lineCoords. length 4 use the device hardware's native byte order bb.order ByteOrder.nativeOrder create a floating point buffer from the ByteBuffer vertexBuffer bb.asFloatBuffer prepare shaders and OpenGL program int..
Trying to draw textured triangles on device fails, but the emulator works. Why? http://stackoverflow.com/questions/2113638/trying-to-draw-textured-triangles-on-device-fails-but-the-emulator-works-why textureBuffer and indexBuffer ByteBuffer byteBuf ByteBuffer.allocateDirect vertices.length 4 byteBuf.order ByteOrder.nativeOrder vertexBuffer byteBuf.asFloatBuffer vertexBuffer.put vertices vertexBuffer.position 0 byteBuf ByteBuffer.allocateDirect texture.length.. vertexBuffer.put vertices vertexBuffer.position 0 byteBuf ByteBuffer.allocateDirect texture.length 4 byteBuf.order ByteOrder.nativeOrder textureBuffer byteBuf.asFloatBuffer textureBuffer.put texture textureBuffer.position 0 indexBuffer ByteBuffer.allocateDirect..
How to use onSensorChanged sensor data in combination with OpenGL http://stackoverflow.com/questions/2881128/how-to-use-onsensorchanged-sensor-data-in-combination-with-opengl 0 1 0 1 0 1 0 0 1 1 byte indices 0 1 0 2 0 3 ByteBuffer vbb vbb ByteBuffer.allocateDirect vertices.length 4 vbb.order ByteOrder.nativeOrder vertexBuffer vbb.asFloatBuffer vertexBuffer.put vertices vertexBuffer.position 0 vbb ByteBuffer.allocateDirect colors.length.. vertexBuffer.put vertices vertexBuffer.position 0 vbb ByteBuffer.allocateDirect colors.length 4 vbb.order ByteOrder.nativeOrder colorBuffer vbb.asFloatBuffer colorBuffer.put colors colorBuffer.position 0 indexBuffer ByteBuffer.allocateDirect indices.length..
Taking screenshot of Android OpenGL http://stackoverflow.com/questions/3310990/taking-screenshot-of-android-opengl OpenGL. The code I found is as follows nt size width height ByteBuffer buf ByteBuffer.allocateDirect size 4 buf.order ByteOrder.nativeOrder glContext.glReadPixels 0 0 width height GL10.GL_RGBA GL10.GL_UNSIGNED_BYTE buf int data new int size buf.asIntBuffer .get.. if screenshot int screenshotSize width height ByteBuffer bb ByteBuffer.allocateDirect screenshotSize 4 bb.order ByteOrder.nativeOrder gl.glReadPixels 0 0 width height GL10.GL_RGBA GL10.GL_UNSIGNED_BYTE bb int pixelsBuffer new int screenshotSize bb.asIntBuffer..
Overlay images onto Camera preview SurfaceView http://stackoverflow.com/questions/3548666/overlay-images-onto-camera-preview-surfaceview 6 7 2 7 3 3 7 4 3 4 0 4 7 6 4 6 5 3 0 1 3 1 2 ByteBuffer vbb ByteBuffer.allocateDirect vertices.length 4 vbb.order ByteOrder.nativeOrder mVertexBuffer vbb.asIntBuffer mVertexBuffer.put vertices mVertexBuffer.position 0 ByteBuffer cbb ByteBuffer.allocateDirect.. mVertexBuffer.put vertices mVertexBuffer.position 0 ByteBuffer cbb ByteBuffer.allocateDirect colors.length 4 cbb.order ByteOrder.nativeOrder mColorBuffer cbb.asFloatBuffer mColorBuffer.put colors mColorBuffer.position 0 mIndexBuffer ByteBuffer.allocateDirect indices.length..
Android: How can you get framebuffer (screenshot) on rooted device? http://stackoverflow.com/questions/4998527/android-how-can-you-get-framebuffer-screenshot-on-rooted-device dm.heightPixels int screenshotSize width height ByteBuffer bb ByteBuffer.allocateDirect screenshotSize 4 bb.order ByteOrder.nativeOrder gl.glReadPixels 0 0 width height GL10.GL_RGBA GL10.GL_UNSIGNED_BYTE bb int pixelsBuffer new int screenshotSize bb.asIntBuffer..
Access to raw data in ARGB_8888 Android Bitmap http://stackoverflow.com/questions/5010545/access-to-raw-data-in-argb-8888-android-bitmap to work Is there any way to get the raw data in a byte Added in response to answer below Putting in buffer.order ByteOrder.nativeOrder before the copyPixelsToBuffer does change the result but still not in the way I want it pixel before ef234567 value before.. of the ByteBuffer you are using. ByteBuffer uses big endian by default. Set endianess on the buffer with buffer.order ByteOrder.nativeOrder See if it helps. Moreover copyPixelsFromBuffer copyPixelsToBuffer does not change the pixel data in any way. They are copied..
Android Camera will not work. startPreview fails http://stackoverflow.com/questions/7942378/android-camera-will-not-work-startpreview-fails 1.0f initialize vertex Buffer for vertices ByteBuffer vbb ByteBuffer.allocateDirect triangleCoords.length 4 vbb.order ByteOrder.nativeOrder use the device hardware's native byte order vertices vbb.asFloatBuffer create a floating point buffer from the ByteBuffer.. the first coordinate initialize vertex Buffer for texcoords vbb ByteBuffer.allocateDirect texcoordf.length 4 vbb.order ByteOrder.nativeOrder use the device hardware's native byte order texcoords vbb.asFloatBuffer create a floating point buffer from the ByteBuffer..
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