2011/4/28 a a <harvey.a...@gmail.com>: > Nothing can see with following code which come from > http://stackoverflow.com/questions/1339136/draw-text-in-opengl-es-android (at 16th floor) > > public void drawTag() { > Bitmap bg = Bitmap.createBitmap(256, 256, Bitmap.Config.ARGB_4444); > bg.eraseColor(0); > > Canvas canvas = new Canvas(bg); > > Drawable drawable = > mRootLayer.getContext().getResources().getDrawable(R.drawable.default_background); > drawable.setBounds(0,0,256,256); > drawable.draw(canvas); > > // Draw the text > Paint textPaint = new Paint(); > textPaint.setTextSize(32); > textPaint.setAntiAlias(true); > textPaint.setARGB(0xff, 0x00, 0x00, 0x00); > // draw the text centered > canvas.drawText("Hello World", 16,112, textPaint); > > int[] textures = new int[1]; > GL11 gl = mGL; > //Generate one texture pointer... > gl.glGenTextures(1, textures, 0); > //...and bind it to our array > gl.glBindTexture(GL10.GL_TEXTURE_2D, textures[0]); > > //Create Nearest Filtered Texture > gl.glTexParameterf(GL10.GL_TEXTURE_2D, > GL10.GL_TEXTURE_MIN_FILTER, GL10.GL_NEAREST); > gl.glTexParameterf(GL10.GL_TEXTURE_2D, > GL10.GL_TEXTURE_MAG_FILTER, GL10.GL_LINEAR); > > //Different possible texture parameters, e.g. GL10.GL_CLAMP_TO_EDGE > gl.glTexParameterf(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_WRAP_S, > GL10.GL_REPEAT); > gl.glTexParameterf(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_WRAP_T, > GL10.GL_REPEAT); > > //Use the Android GLUtils to specify a two-dimensional texture > image from our bitmap > GLUtils.texImage2D(GL10.GL_TEXTURE_2D, 0, bg, 0); > > //Clean up > bg.recycle(); > } >
-- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
