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2014/10/16 ¤W¤È 08:11:15
android Programming Glossary: colorfilterHow to make button with custom background image show click animation in Android http://stackoverflow.com/questions/2651070/how-to-make-button-with-custom-background-image-show-click-animation-in-android It's possible to do with just one image file using the ColorFilter method. However ColorFilter expects to work with ImageViews.. just one image file using the ColorFilter method. However ColorFilter expects to work with ImageViews and not Buttons so you have.. button ImageView findViewById R.id.button button.setColorFilter 0xFFFF0000 PorterDuff.Mode.MULTIPLY That applies a red overlay..
How do you tint a bitmap in Android? http://stackoverflow.com/questions/3499095/how-do-you-tint-a-bitmap-in-android image bitmap share improve this question You can use a ColorFilter on your Paint when you draw the bitmap. share improve this..
Understanding the Use of ColorMatrix and ColorMatrixColorFilter to Modify a Drawable's Hue http://stackoverflow.com/questions/4354939/understanding-the-use-of-colormatrix-and-colormatrixcolorfilter-to-modify-a-draw the Use of ColorMatrix and ColorMatrixColorFilter to Modify a Drawable's Hue I'm working on a UI for an app and.. of their choosing. To do this I'm trying to just apply a ColorFilter of some sort to overlay a color on top of the drawable. I've.. After doing some research it appears that the ColorMatrixColorFilter class may do what I need but I can't seem to find any resources..
Enable hardware acceleration in Android app, targeting Honeycomb AND prior versions http://stackoverflow.com/questions/5158824/enable-hardware-acceleration-in-android-app-targeting-honeycomb-and-prior-versi is enabled most operations in Canvas Paint Xfermode ColorFilter Shader and Camera are accelerated. This results in smoother..
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 For example how do XferMode Shader MaskFilter and ColorFilter interact The reference docs for these classes are pretty sparse.. it focusses on eg XferModes interacts with other stuff eg ColorFilters . With enough time and effort I could empirically figure out.. linear radial sweep bitmap patterns clamp repeat mirror SkColorFilter modify the source color s before applying the xfermode e.g...
How to make button with custom background image show click animation in Android http://stackoverflow.com/questions/2651070/how-to-make-button-with-custom-background-image-show-click-animation-in-android views example. Thanks. android share improve this question It's possible to do with just one image file using the ColorFilter method. However ColorFilter expects to work with ImageViews and not Buttons so you have to transform your buttons into ImageViews... share improve this question It's possible to do with just one image file using the ColorFilter method. However ColorFilter expects to work with ImageViews and not Buttons so you have to transform your buttons into ImageViews. This isn't a problem.. way around the problem with text here's the code to use ImageView button ImageView findViewById R.id.button button.setColorFilter 0xFFFF0000 PorterDuff.Mode.MULTIPLY That applies a red overlay to the button the color code is the hex code for fully opaque..
How do you tint a bitmap in Android? http://stackoverflow.com/questions/3499095/how-do-you-tint-a-bitmap-in-android
Understanding the Use of ColorMatrix and ColorMatrixColorFilter to Modify a Drawable's Hue http://stackoverflow.com/questions/4354939/understanding-the-use-of-colormatrix-and-colormatrixcolorfilter-to-modify-a-draw the Use of ColorMatrix and ColorMatrixColorFilter to Modify a Drawable's Hue I'm working on a UI for an app and I'm attempting to use grayscale icons and allow the user.. icons and allow the user to change the theme to a color of their choosing. To do this I'm trying to just apply a ColorFilter of some sort to overlay a color on top of the drawable. I've tried using PorterDuff.Mode.MULTIPLY and it works almost exactly.. and only modifies the color of the image. For example becomes After doing some research it appears that the ColorMatrixColorFilter class may do what I need but I can't seem to find any resources pointing to how the matrix is used. It's a 4x5 matrix but..
Enable hardware acceleration in Android app, targeting Honeycomb AND prior versions http://stackoverflow.com/questions/5158824/enable-hardware-acceleration-in-android-app-targeting-honeycomb-and-prior-versi 2D graphics operations. When the hardware accelerated renderer is enabled most operations in Canvas Paint Xfermode ColorFilter Shader and Camera are accelerated. This results in smoother animations smoother scrolling and improved responsiveness overall..
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 the components of Android's 2D Canvas drawing pipeline fit together. For example how do XferMode Shader MaskFilter and ColorFilter interact The reference docs for these classes are pretty sparse and the docs for Canvas and Paint don't really add any useful.. each demo works in a vacuum and doesn't show how the thing it focusses on eg XferModes interacts with other stuff eg ColorFilters . With enough time and effort I could empirically figure out how these pieces relate or go decipher the source but I'm.. colorized and drawn e.g. blur emboss SkShader e.g. gradients linear radial sweep bitmap patterns clamp repeat mirror SkColorFilter modify the source color s before applying the xfermode e.g. color matrix SkXfermode e.g. porter duff transfermodes blend..
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