产生梯形报表.

自定义view,实现梯形报表.
[Java]代码
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package com.test; 

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import android.content.Context; 

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import android.graphics.Bitmap; 

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import android.graphics.BitmapFactory; 

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import android.graphics.Canvas; 

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import android.graphics.Color; 

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import android.graphics.Paint; 

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import android.graphics.Path; 

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import android.graphics.Rect; 

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import android.view.View; 

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import android.view.ViewGroup.LayoutParams; 

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public class Ladder extends View { 

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private Context context=null; 

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private final static String TAG = "Ladder"; 

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private final static int SCREEN_WIDTH = 300;// screen width 

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private final static int SCREEN_HEIGHT = 300;// screen height 

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private final static int CONTAINER_BOTTOM_WIDTH = 50;// ladder bottom width 

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private final static int CONTAINER_TOP_WIDTH = 200;// ladder top width 

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private final static int CONTAINER_BOTTOM_LEFT = (SCREEN_WIDTH - CONTAINER_BOTTOM_WIDTH) / 2;// the 

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// distance 

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// of 

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// bottom-left 

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private final static int CONTAINER_BOTTOM_RIGHT = (SCREEN_WIDTH + CONTAINER_BOTTOM_WIDTH) / 2;// the 

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// distance 

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// of 

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// bottom-right 

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private final static int CONTAINER_TOP_LEFT = (SCREEN_WIDTH - CONTAINER_TOP_WIDTH) / 2;// the 

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// distance 

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// of 

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// top-left 

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private final static int CONTAINER_TOP_RIGHT = (SCREEN_WIDTH + CONTAINER_TOP_WIDTH) / 2;// the 

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// distance 

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// of 

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// top-left 

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private float first_height = 0;// the first appoach 

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private float second_height = 0;// interview 

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private float third_height = 0;// advise 

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private Path path1; 

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private Paint paint1; 

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private float total; 

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private float a; 

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private float b; 

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private float c; 

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private float d; 

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public Ladder(Context context, int a, int b, int c, int d) { 

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super(context); 

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this.context=context; 

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setLayoutParams(new LayoutParams(300, 300)); 

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setBackgroundColor(Color.TRANSPARENT); 

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init(a, b, c, d); 

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paint1 = new Paint(); 

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paint1.setAntiAlias(true); 

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paint1.setStrokeWidth(0); 

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} 

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private void init(int a, int b, int c, int d) { 

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total = a + b + c + d; 

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this.a = a; 

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this.b = b; 

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this.c = c; 

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this.d = d; 

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first_height = (a / total * SCREEN_HEIGHT); 

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second_height = (b / total * SCREEN_HEIGHT); 

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third_height = (c / total * SCREEN_HEIGHT); 

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} 

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private void draw_Container(Canvas canvas) { 

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paint1.setColor(Color.BLACK); 

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paint1.setStyle(Paint.Style.STROKE); 

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path1 = new Path(); 

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path1.moveTo(CONTAINER_BOTTOM_LEFT, SCREEN_HEIGHT); 

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path1.lineTo(CONTAINER_BOTTOM_RIGHT, SCREEN_HEIGHT); 

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path1.lineTo(CONTAINER_TOP_RIGHT, SCREEN_HEIGHT - SCREEN_HEIGHT); 

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path1.lineTo(CONTAINER_TOP_LEFT, SCREEN_HEIGHT - SCREEN_HEIGHT); 

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path1.close(); 

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canvas.drawPath(path1, paint1); 

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} 

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private void draw_1(Canvas canvas) { 

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double first_bottom_width = (CONTAINER_TOP_WIDTH - CONTAINER_BOTTOM_WIDTH) 

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/ 2 * a / total * 2 + CONTAINER_BOTTOM_WIDTH; 

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paint1.setColor(Color.YELLOW); 

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paint1.setStyle(Paint.Style.FILL_AND_STROKE); 

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path1 = new Path(); 

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path1.moveTo(CONTAINER_BOTTOM_LEFT, SCREEN_HEIGHT); 

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path1.lineTo(CONTAINER_BOTTOM_RIGHT, SCREEN_HEIGHT); 

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path1.lineTo((float) ((SCREEN_WIDTH + first_bottom_width) / 2), 

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SCREEN_HEIGHT - first_height); 

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path1.lineTo((float) ((SCREEN_WIDTH - first_bottom_width) / 2), 

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SCREEN_HEIGHT - first_height); 

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path1.close(); 

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canvas.drawPath(path1, paint1); 

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} 

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private void draw_2(Canvas canvas) { 

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double first_bottom_width = (CONTAINER_TOP_WIDTH - CONTAINER_BOTTOM_WIDTH) 

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/ 2 * a / total * 2 + CONTAINER_BOTTOM_WIDTH; 

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double second_bottom_width = (CONTAINER_TOP_WIDTH - CONTAINER_BOTTOM_WIDTH) 

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/ 2 * (a + b) / total * 2 + CONTAINER_BOTTOM_WIDTH; 

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paint1.setColor(Color.parseColor("#EA7500")); 

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paint1.setStyle(Paint.Style.FILL_AND_STROKE); 

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path1 = new Path(); 

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path1.moveTo((float) ((SCREEN_WIDTH - first_bottom_width) / 2), 

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SCREEN_HEIGHT - first_height); 

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path1.lineTo((float) ((SCREEN_WIDTH + first_bottom_width) / 2), 

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SCREEN_HEIGHT - first_height); 

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path1.lineTo((float) ((SCREEN_WIDTH + second_bottom_width) / 2), 

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SCREEN_HEIGHT - (first_height + second_height)); 

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path1.lineTo((float) ((SCREEN_WIDTH - second_bottom_width) / 2), 

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SCREEN_HEIGHT - (first_height + second_height)); 

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path1.close(); 

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canvas.drawPath(path1, paint1); 

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} 

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private void draw_3(Canvas canvas) { 

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double first_bottom_width = (CONTAINER_TOP_WIDTH - CONTAINER_BOTTOM_WIDTH) 

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/ 2 * (a + b) / total * 2 + CONTAINER_BOTTOM_WIDTH; 

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double second_bottom_width = (CONTAINER_TOP_WIDTH - CONTAINER_BOTTOM_WIDTH) 

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/ 2 * (a + b + c) / total * 2 + CONTAINER_BOTTOM_WIDTH; 

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paint1.setColor(Color.parseColor("#A8FF24")); 

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paint1.setStyle(Paint.Style.FILL_AND_STROKE); 

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path1 = new Path(); 

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path1.moveTo((float) ((SCREEN_WIDTH - first_bottom_width) / 2), 

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SCREEN_HEIGHT - (first_height + second_height)); 

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path1.lineTo((float) ((SCREEN_WIDTH + first_bottom_width) / 2), 

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SCREEN_HEIGHT - (first_height + second_height)); 

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path1.lineTo((float) ((SCREEN_WIDTH + second_bottom_width) / 2), 

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SCREEN_HEIGHT - (first_height + second_height + third_height)); 

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path1.lineTo((float) ((SCREEN_WIDTH - second_bottom_width) / 2), 

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SCREEN_HEIGHT - (first_height + second_height + third_height)); 

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path1.close(); 

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canvas.drawPath(path1, paint1); 

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} 

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private void draw_4(Canvas canvas) { 

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double first_bottom_width = (CONTAINER_TOP_WIDTH - CONTAINER_BOTTOM_WIDTH) 

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/ 2 * (a + b + c) / total * 2 + CONTAINER_BOTTOM_WIDTH; 

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double second_bottom_width = (CONTAINER_TOP_WIDTH - CONTAINER_BOTTOM_WIDTH) 

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/ 2 * (a + b + c + d) / total * 2 + CONTAINER_BOTTOM_WIDTH; 

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paint1.setColor(Color.parseColor("#A4A4FF")); 

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paint1.setStyle(Paint.Style.FILL_AND_STROKE); 

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path1 = new Path(); 

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path1.moveTo((float) ((SCREEN_WIDTH - first_bottom_width) / 2), 

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SCREEN_HEIGHT - (first_height + second_height + third_height)); 

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path1.lineTo((float) ((SCREEN_WIDTH + first_bottom_width) / 2), 

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SCREEN_HEIGHT - (first_height + second_height + third_height)); 

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path1.lineTo((float) ((SCREEN_WIDTH + second_bottom_width) / 2), 0); 

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path1.lineTo((float) ((SCREEN_WIDTH - second_bottom_width) / 2), 0); 

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path1.close(); 

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canvas.drawPath(path1, paint1); 

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} 

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private void draw_msg(Canvas canvas) { 

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Rect rect = new Rect(10, SCREEN_HEIGHT-100, 20, SCREEN_HEIGHT -90); 

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paint1.setColor(Color.BLACK); 

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canvas.drawText("接近\r" + ((int) (Math.round(d / total * 100))) + "%", 20, 

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SCREEN_HEIGHT-90, paint1); 

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paint1.setColor(Color.parseColor("#A4A4FF")); 

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canvas.drawRect(rect, paint1); 

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rect = new Rect(10, SCREEN_HEIGHT-80, 20, SCREEN_HEIGHT -70); 

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paint1.setColor(Color.BLACK); 

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canvas.drawText("面谈\r" + ((int) (Math.round(c / total * 100))) + "%", 20, 

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SCREEN_HEIGHT-70, paint1); 

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paint1.setColor(Color.parseColor("#A8FF24")); 

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canvas.drawRect(rect, paint1); 

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rect = new Rect(10, SCREEN_HEIGHT-60, 20, SCREEN_HEIGHT - 50); 

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paint1.setColor(Color.BLACK); 

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canvas.drawText("说明/建议书" + ((int)(Math.round(b / total * 100)))+ "%", 20, 

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SCREEN_HEIGHT-50, paint1); 

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paint1.setColor(Color.parseColor("#EA7500")); 

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canvas.drawRect(rect, paint1); 

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rect = new Rect(10, SCREEN_HEIGHT-40, 20, SCREEN_HEIGHT -30); 

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paint1.setColor(Color.BLACK); 

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canvas.drawText("缔约\r" + ((int) (Math.round(a / total * 100))) + "%", 20, 

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SCREEN_HEIGHT-30, paint1); 

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paint1.setColor(Color.YELLOW); 

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canvas.drawRect(rect, paint1); 

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} 

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@Override

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protected void onDraw(Canvas canvas) { 

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super.onDraw(canvas); 

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// canvas.drawColor(Color.WHITE); 

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// canvas.drawBitmap(context.getResources().getDrawable(R.id.wkworkspace_background_wood), null); 

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// Bitmap bitmap=BitmapFactory.decodeResource(context.getResources(), R.drawable.wkworkspace_background_wood); 

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// canvas.drawBitmap(BitmapFactory.decodeResource(context.getResources(), R.drawable.wkworkspace_background_wood),0,0,null); 

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draw_Container(canvas); 

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draw_1(canvas);//缔约 

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draw_2(canvas);//说明/建议书 

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draw_3(canvas);//面谈 

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draw_4(canvas);//接近 

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draw_msg(canvas); 

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} 

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@Override

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protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 

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super.onMeasure(widthMeasureSpec, heightMeasureSpec); 

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} 

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}
[文件] ladder.rar ~ 161KB 下载(31)

[图片] ladder.jpg

posted @ 2012-04-24 23:41 周文阅读(213) 评论(0) 编辑收藏举报
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产生梯形报表.

[文件] ladder.rar ~ 161KB 下载(31)

[图片] ladder.jpg

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