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2014/10/16 ¤W¤È 08:12:43
android Programming Glossary: drawbitmapandroid: quality of the images resized in runtime http://stackoverflow.com/questions/2041207/android-quality-of-the-images-resized-in-runtime the images resized in runtime I want to show images using drawBitmap method. But before I want to resize it according screen dimensions... BitmapFactory.decodeStream in in.close canvas.drawBitmap unscaledBitmap null new Rect 0 0 320 480 null catch IOException..
Scrolling a Canvas smoothly in Android http://stackoverflow.com/questions/2079328/scrolling-a-canvas-smoothly-in-android shifted by a few pixels at a time But if I use Canvas.drawBitmap to draw bmpBuffer back to Canvas shifted by a few pixels won't.. blit or bitblt in the Android documentation. Are Canvas.drawBitmap and Bitmap.Copy Android's equivalents android canvas smooth.. bitmap anything draw to the screen with the scrolloffset drawBitmap Bitmap bitmap Rect src Rect dst Paint paint TargetCanvas.DrawBitmap..
How to prevent Android's drawBitmap from only drawing black images? http://stackoverflow.com/questions/3580051/how-to-prevent-androids-drawbitmap-from-only-drawing-black-images to prevent Android's drawBitmap from only drawing black images As per the original question.. shadowPaint offsetXY Canvas c new Canvas shadowImage c.drawBitmap originalBitmap offsetXY 0 offsetXY 1 null imageView.setImageBitmap.. true Canvas c new Canvas shadowImage32 c.drawBitmap originalBitmap offsetXY 0 offsetXY 1 null imageView.setImageBitmap..
How to draw on Bitmap in android? http://stackoverflow.com/questions/4160149/how-to-draw-on-bitmap-in-android an undo function. Bitmap b ... Paint p new Paint canvas.drawBitmap b new Matrix null canvas.drawCircle 0 0 20 20 does Bitmap b.. The original Bitmap that you draw on your Canvas with drawBitmap will never be modified. After each operation done by the user..
How do the pieces of Android's (2D) Canvas drawing pipeline fit together? http://stackoverflow.com/questions/5762727/how-do-the-pieces-of-androids-2d-canvas-drawing-pipeline-fit-together to me how drawing operations that have intrinsic colors eg drawBitmap versus the vector primitives like drawRect fit into all of this.. to me how drawing operations that have intrinsic colors eg drawBitmap versus the vector primitives like drawRect fit into all of this.. color instead The source colors come from the Shader . In drawBitmap the Shader is temporarily replaced by a BitmapShader if a non..
android: quality of the images resized in runtime http://stackoverflow.com/questions/2041207/android-quality-of-the-images-resized-in-runtime quality of the images resized in runtime I want to show images using drawBitmap method. But before I want to resize it according screen dimensions. I have a problem with quality of result image. You can.. InputStream in getAssets .open images gradient.png unscaledBitmap BitmapFactory.decodeStream in in.close canvas.drawBitmap unscaledBitmap null new Rect 0 0 320 480 null catch IOException e e.printStackTrace android image drawing resize..
Scrolling a Canvas smoothly in Android http://stackoverflow.com/questions/2079328/scrolling-a-canvas-smoothly-in-android to implement a scroll ... perhaps copy it back to the Canvas shifted by a few pixels at a time But if I use Canvas.drawBitmap to draw bmpBuffer back to Canvas shifted by a few pixels won't bmpBuffer be corrupted Perhaps therefore I should copy bmpBuffer.. . I understand the concept but can't find anything about blit or bitblt in the Android documentation. Are Canvas.drawBitmap and Bitmap.Copy Android's equivalents android canvas smooth scrolling share improve this question I had this problem.. TargetCanvas do drawing stuff ie. BigCanvas.Draw.... line bitmap anything draw to the screen with the scrolloffset drawBitmap Bitmap bitmap Rect src Rect dst Paint paint TargetCanvas.DrawBitmap BigBitmap new Rect ScrollPosX ScrollPosY ScrollPosX..
How to prevent Android's drawBitmap from only drawing black images? http://stackoverflow.com/questions/3580051/how-to-prevent-androids-drawbitmap-from-only-drawing-black-images to prevent Android's drawBitmap from only drawing black images As per the original question The end result is a rounded rect png in an ImageView with a.. Bitmap shadowImage originalBitmap.extractAlpha shadowPaint offsetXY Canvas c new Canvas shadowImage c.drawBitmap originalBitmap offsetXY 0 offsetXY 1 null imageView.setImageBitmap shadowImage UPDATE I implemented Josh's suggestion about.. offsetXY Bitmap shadowImage32 shadowImage.copy Bitmap.Config.ARGB_8888 true Canvas c new Canvas shadowImage32 c.drawBitmap originalBitmap offsetXY 0 offsetXY 1 null imageView.setImageBitmap shadowImage32 android paint blur shadow drawbitmap..
How to draw on Bitmap in android? http://stackoverflow.com/questions/4160149/how-to-draw-on-bitmap-in-android bitmap in android and keep a copy of these changed bitmaps for an undo function. Bitmap b ... Paint p new Paint canvas.drawBitmap b new Matrix null canvas.drawCircle 0 0 20 20 does Bitmap b have the circle drawn on it next time Or how do I get the bitmap.. Bitmap which will contain the result of your drawing operations. The original Bitmap that you draw on your Canvas with drawBitmap will never be modified. After each operation done by the user you might keep in memory a list of the operations done save..
How do the pieces of Android's (2D) Canvas drawing pipeline fit together? http://stackoverflow.com/questions/5762727/how-do-the-pieces-of-androids-2d-canvas-drawing-pipeline-fit-together add any useful explanation. It's also not entirely clear to me how drawing operations that have intrinsic colors eg drawBitmap versus the vector primitives like drawRect fit into all of this do they always ignore the Paint 's color and use use their.. to some of the sub questions It's also not entirely clear to me how drawing operations that have intrinsic colors eg drawBitmap versus the vector primitives like drawRect fit into all of this do they always ignore the Paint 's color and use use their.. always ignore the Paint 's color and use use their intrinsic color instead The source colors come from the Shader . In drawBitmap the Shader is temporarily replaced by a BitmapShader if a non ALPHA_8 Bitmap is used. In other cases if no Shader is specified..
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