Android 3d TOS Launcher 之桌面图标主题加框规格化

最新推荐文章于 2023-12-08 17:35:57 发布

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最新推荐文章于 2023-12-08 17:35:57 发布

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分类专栏： Launcher android

本文链接：https://blog.youkuaiyun.com/xufeifandj/article/details/52169486

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本文详细探讨了Android 3D TOS Launcher中桌面图标主题加框的规格化实现，包括如何为不同尺寸和形状的图标设计统一的边框，以及在3D桌面环境中保持视觉一致性的技术要点。

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 //图标缩放比例
    public static float iconScaleRadio=1f;
    private static Canvas mCanvas=new Canvas();
    private static Paint mPaint = new Paint();

    public synchronized Bitmap markIconTheme(Bitmap original) {

        try {


            initMarkIcons();

            if (original != null&&mCanvas!=null) {
                Bitmap resultBmp = Bitmap.createBitmap(IconConfig.iconSize, IconConfig.iconSize,
                        Bitmap.Config.ARGB_8888);
                mPaint.setAntiAlias(true);
                mCanvas.setBitmap(resultBmp);

                //------sep1---- 画背景
                mPaint.setXfermode(null);
                mCanvas.drawBitmap(icon_background, 0, 0, null);

                //-----sep2 --------icon mask 需要重新建立新的图层来交集图片
                int sc = mCanvas.saveLayer(0,0, IconConfig.iconSize, IconConfig.iconSize, null,
                        Canvas.MATRIX_SAVE_FLAG |
                                Canvas.CLIP_SAVE_FLAG |
                                Canvas.HAS_ALPHA_LAYER_SAVE_FLAG |
                                Canvas.FULL_COLOR_LAYER_SAVE_FLAG |
                                Canvas.CLIP_TO_LAYER_SAVE_FLAG);
                mCanvas.drawBitmap(icon_mask, 0, 0, mPaint);
                mPaint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
                //绘制居中图片
                if (resultBmp.getWidth() > original.getWidth()) {
                    int offset = (resultBmp.getWidth() - original.getWidth()) / 2;
                    mCanvas.translate(offset, offset);
                    mCanvas.drawBitmap(original, 0, 0, mPaint);
                    mCanvas.translate(-offset, -offset);
                } else {
                    mCanvas.drawBitmap(original, 0, 0, mPaint);
                }
                mPaint.setXfermode(null);
                mCanvas.restoreToCount(sc);
                //------sep3---- 画金属框

                mCanvas.drawBitmap(icon_border, 0, 0, mPaint);
                //end


                if (original != null && !original.isRecycled()) {
                    original.recycle();
                    original = null;
                }
                return resultBmp;
            }


        } catch (Exception e) {
            if(mCanvas!=null)
            mCanvas.setBitmap(null);
        } finally {

        }
        return null;
    }