has Color On Rect from Bitmap - Android Graphics

Android examples for Graphics:Bitmap Color

  1. HOME
  2. Android
  3. Graphics
  4. Bitmap Color

Description

has Color On Rect from Bitmap

Demo Code


//package com.java2s;
import android.graphics.Bitmap;
import android.graphics.Rect;

public class Main {

    public static int hasColorOnRect(Bitmap src, Rect serchRect,
            int inputColor) {
        int width = serchRect.width();
        int height = serchRect.height();

        if (width == 0 || height == 0)
            return inputColor;

        int color = inputColor;
        if (width == 1 && height == 1) {
            color = src.getPixel(serchRect.left, serchRect.top);
            return color != inputColor ? color : inputColor;
        }/*ww  w  .j  av  a 2s  . com*/
        if (width == 1 && height > 1) {
            for (int start = 0; start < height; ++start) {
                color = src.getPixel(serchRect.left, serchRect.top + start);
                if (color != inputColor)
                    return color;
            }
            return inputColor;
        }
        if (width > 1 && height == 1) {
            for (int start = 0; start < width; ++start) {
                color = src.getPixel(serchRect.left + start, serchRect.top);
                if (color != inputColor)
                    return color;
            }
            return inputColor;
        }
        if (width > 1 && height > 1) {
            for (int x = 0; x < width; ++x) {
                for (int y = 0; y < height; ++y) {
                    //                    Log.d("getColorOnBitmap", String.format("current searchX = (%s) and searchY = (%s)" +
                    //                                                                " x = (%s), y = (%s), Pixel Color = (%s)"
                    //                                                               , serchRect.left + x, serchRect.top + y
                    //                                                               , x, y
                    //                                                        , Integer.toHexString(src.getPixel(serchRect.left + x, serchRect.top + y))));
                    color = src.getPixel(serchRect.left + x, serchRect.top
                            + y);
                    if (color != inputColor)
                        return color;
                }
            }

            return inputColor;
        }

        return inputColor;
    }
}

Related Tutorials