¡@
2014/10/16 ¤W¤È 08:11:13
android Programming Glossary: clockwiseAndroid getOrientation() method returns bad results http://stackoverflow.com/questions/10192057/android-getorientation-method-returns-bad-results which is the front the one which is drawn counter clockwise gl.glCullFace GL10.GL_BACK which one should NOT be drawn initTriangles..
Rotate a saved bitmap in android http://stackoverflow.com/questions/10332783/rotate-a-saved-bitmap-in-android image and then save. e.g. if i have this I want to rotate clockwise by 90 degrees once and make it this and save it to sdcard How..
reading android jpeg EXIF metadata from picture callback http://stackoverflow.com/questions/12944123/reading-android-jpeg-exif-metadata-from-picture-callback Bitmap taken at ROTATION_270 device rotated 90 degrees clockwise comes in upside down. So far it seems to be Samsung. I can only..
http://stackoverflow.com/questions/13381515/how-to-make-rotating-menu Where 1 6 are ImageButtons and the buttons are rotating clockwise or countercw depending on how you touch the screen. I know how..
Rotating a bitmap using JNI & NDK http://stackoverflow.com/questions/14398670/rotating-a-bitmap-using-jni-ndk JniTest rotates a bitmap by 90 degrees counter clockwise . br notes br the input bitmap will be recycled and shouldn't..
Calculating the angle between the line defined by two points http://stackoverflow.com/questions/2676719/calculating-the-angle-between-the-line-defined-by-two-points at the center of the screen. theta is measured counter clockwise from the x axis. Then delta_x touch_x center_x delta_y touch_y..
OpenGL ES - texture map all faces of an 8 vertex cube? http://stackoverflow.com/questions/2854237/opengl-es-texture-map-all-faces-of-an-8-vertex-cube the texture. Drawing code public void draw GL10 gl Counter clockwise winding. gl.glFrontFace GL10.GL_CCW Enable face culling. gl.glEnable..
Android - Camera preview is sideways http://stackoverflow.com/questions/3841122/android-camera-preview-is-sideways degrees COUNTER CLOCKWISE I had assumed it would have been clockwise . In the code you'll see I didn't need to do any display rotation.. 270 degree rotation is when you turn the device 90 degrees clockwise and the display rotation counters that ok but if you rotate.. that ok but if you rotate the device 270 degrees counter clockwise it doesn't appear to compensate it properly. P.S. Note the swapover..
Android: Matrix -> what is the different between preconcat and postconcat? http://stackoverflow.com/questions/3855578/android-matrix-what-is-the-different-between-preconcat-and-postconcat just think about it If I rotate some picture 10 degrees clockwise and then scale it to 200 it looks the same as if I scaled it..
How to set Android camera orientation properly? http://stackoverflow.com/questions/4645960/how-to-set-android-camera-orientation-properly comes upside down. I would need to rotate it by 90 degree clockwise for it to be correct. Here is the code I am using right now..
http://stackoverflow.com/questions/4697631/android-screen-orientation same values 0 default portrait 1 device 90 degree counterclockwise 3 device 90 degree clockwise It does not report when you put.. 1 device 90 degree counterclockwise 3 device 90 degree clockwise It does not report when you put it on its head rotate 180 that..
how to detect orientation of android device? http://stackoverflow.com/questions/5112118/how-to-detect-orientation-of-android-device For example if the device is rotated 90 degrees counter clockwise to compensate rendering will be rotated by 90 degrees clockwise.. to compensate rendering will be rotated by 90 degrees clockwise and thus the returned value here will be Surface.ROTATION_90..
Rotating an ImageView like a compass (with the “north pole” set elsewhere) http://stackoverflow.com/questions/7978618/rotating-an-imageview-like-a-compass-with-the-north-pole-set-elsewhere the bearTo is smaller than 0 add 360 to get the rotation clockwise. if bearTo 0 bearTo bearTo 360 If we add some dummy values to.. means that the arrow should rotate 135 degrees counter clockwise. We will need to put in a similiar if condition as we did with.. direction is smaller than 0 add 360 to get the rotation clockwise. if direction 0 direction direction 360 Your bearing text the..
Android getOrientation() method returns bad results http://stackoverflow.com/questions/10192057/android-getorientation-method-returns-bad-results be visible gl.glShadeModel GL10.GL_SMOOTH gl.glFrontFace GL10.GL_CCW which is the front the one which is drawn counter clockwise gl.glCullFace GL10.GL_BACK which one should NOT be drawn initTriangles gl.glEnableClientState GL10.GL_VERTEX_ARRAY gl.glEnableClientState..
Rotate a saved bitmap in android http://stackoverflow.com/questions/10332783/rotate-a-saved-bitmap-in-android onto it that too is in landscape mode. I want to rotate that image and then save. e.g. if i have this I want to rotate clockwise by 90 degrees once and make it this and save it to sdcard How is this to be accomplished java android bitmap android image..
reading android jpeg EXIF metadata from picture callback http://stackoverflow.com/questions/12944123/reading-android-jpeg-exif-metadata-from-picture-callback nightmare Problem Description On some devices the constructed Bitmap taken at ROTATION_270 device rotated 90 degrees clockwise comes in upside down. So far it seems to be Samsung. I can only assume that maybe the camera is soldered on the other way..
http://stackoverflow.com/questions/13381515/how-to-make-rotating-menu I would like to make animated menu moving like gun cylinder. Where 1 6 are ImageButtons and the buttons are rotating clockwise or countercw depending on how you touch the screen. I know how to place the ImageButtons etc. but i never made animated..
Rotating a bitmap using JNI & NDK http://stackoverflow.com/questions/14398670/rotating-a-bitmap-using-jni-ndk delete tempPixels return newBitmap java file static System.loadLibrary JniTest rotates a bitmap by 90 degrees counter clockwise . br notes br the input bitmap will be recycled and shouldn't be used anymore br returns the rotated bitmap . br could take..
Calculating the angle between the line defined by two points http://stackoverflow.com/questions/2676719/calculating-the-angle-between-the-line-defined-by-two-points the point selected by the user. center_x center_y is the point at the center of the screen. theta is measured counter clockwise from the x axis. Then delta_x touch_x center_x delta_y touch_y center_y theta_radians atan2 delta_y delta_x Edit you mentioned..
OpenGL ES - texture map all faces of an 8 vertex cube? http://stackoverflow.com/questions/2854237/opengl-es-texture-map-all-faces-of-an-8-vertex-cube correctly however none of the other faces are showing the texture. Drawing code public void draw GL10 gl Counter clockwise winding. gl.glFrontFace GL10.GL_CCW Enable face culling. gl.glEnable GL10.GL_CULL_FACE What faces to remove with the face..
Android - Camera preview is sideways http://stackoverflow.com/questions/3841122/android-camera-preview-is-sideways have expected portrait 90 degrees was turning the phone 90 degrees COUNTER CLOCKWISE I had assumed it would have been clockwise . In the code you'll see I didn't need to do any display rotation when the phone was at 90 or 180 degrees the device seemed.. handle this itself. Only one point not working properly The 270 degree rotation is when you turn the device 90 degrees clockwise and the display rotation counters that ok but if you rotate the device 270 degrees counter clockwise it doesn't appear to.. device 90 degrees clockwise and the display rotation counters that ok but if you rotate the device 270 degrees counter clockwise it doesn't appear to compensate it properly. P.S. Note the swapover of width and height in the appropriate rotations. share..
Android: Matrix -> what is the different between preconcat and postconcat? http://stackoverflow.com/questions/3855578/android-matrix-what-is-the-different-between-preconcat-and-postconcat that is it mirrors itself across the diagonal. But really just think about it If I rotate some picture 10 degrees clockwise and then scale it to 200 it looks the same as if I scaled it first then rotated it. If you were doing some weirder compound..
How to set Android camera orientation properly? http://stackoverflow.com/questions/4645960/how-to-set-android-camera-orientation-properly parameters but the camera preview in portrait mode always comes upside down. I would need to rotate it by 90 degree clockwise for it to be correct. Here is the code I am using right now which works in landscape mode only. SurfaceHolder.Callback surfaceCallback..
http://stackoverflow.com/questions/4697631/android-screen-orientation Android 2.2. getOrientation and getRotation both report the same values 0 default portrait 1 device 90 degree counterclockwise 3 device 90 degree clockwise It does not report when you put it on its head rotate 180 that would be the value 2 . This.. and getRotation both report the same values 0 default portrait 1 device 90 degree counterclockwise 3 device 90 degree clockwise It does not report when you put it on its head rotate 180 that would be the value 2 . This result is possibly device specific...
how to detect orientation of android device? http://stackoverflow.com/questions/5112118/how-to-detect-orientation-of-android-device the opposite direction of the physical rotation of the device. For example if the device is rotated 90 degrees counter clockwise to compensate rendering will be rotated by 90 degrees clockwise and thus the returned value here will be Surface.ROTATION_90.. example if the device is rotated 90 degrees counter clockwise to compensate rendering will be rotated by 90 degrees clockwise and thus the returned value here will be Surface.ROTATION_90 . Keep in mind that getRotation was introduced from Android..
Rotating an ImageView like a compass (with the “north pole” set elsewhere) http://stackoverflow.com/questions/7978618/rotating-an-imageview-like-a-compass-with-the-north-pole-set-elsewhere variable float bearTo LocationObj.bearingTo destinationObj If the bearTo is smaller than 0 add 360 to get the rotation clockwise. if bearTo 0 bearTo bearTo 360 If we add some dummy values to test our new formula float bearTo 100 This will now equal.. dummy values bearTo 45 azimuth 180 direction 45 180 135 This means that the arrow should rotate 135 degrees counter clockwise. We will need to put in a similiar if condition as we did with the bearTo If the direction is smaller than 0 add 360 to.. in a similiar if condition as we did with the bearTo If the direction is smaller than 0 add 360 to get the rotation clockwise. if direction 0 direction direction 360 Your bearing text the N E S and W is off so i've corrected them in the final method..
|