package com.sqlite;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.ColorMatrix;
import android.graphics.ColorMatrixColorFilter;
import android.graphics.Matrix;
import android.graphics.Paint;
import android.graphics.Path;
import android.graphics.PointF;
import android.graphics.Region;
import android.graphics.drawable.GradientDrawable;
import android.view.MotionEvent;
import android.view.View;
import android.widget.Scroller;
public class PageWidget extends View {
private int mWidth = 480;
private int mHeight = 800;
private int mCornerX = 0; // 拖拽点对应的页脚
private int mCornerY = 0;
private Path mPath0;
private Path mPath1;
Bitmap mCurPageBitmap = null; // 当前页
Bitmap mNextPageBitmap = null;
PointF mTouch = new PointF(); // 拖拽点
PointF mBezierStart1 = new PointF(); // 贝塞尔曲线起始点
PointF mBezierControl1 = new PointF(); // 贝塞尔曲线控制点
PointF mBeziervertex1 = new PointF(); // 贝塞尔曲线顶点
PointF mBezierEnd1 = new PointF(); // 贝塞尔曲线结束点
PointF mBezierStart2 = new PointF(); // 另一条贝塞尔曲线
PointF mBezierControl2 = new PointF();
PointF mBeziervertex2 = new PointF();
PointF mBezierEnd2 = new PointF();
float mMiddleX;
float mMiddleY;
float mDegrees;
float mTouchToCornerDis;
ColorMatrixColorFilter mColorMatrixFilter;
Matrix mMatrix;
float[] mMatrixArray = { 0, 0, 0, 0, 0, 0, 0, 0, 1.0f };
boolean mIsRTandLB; // 是否属于右上左下
float mMaxLength = (float) Math.hypot(mWidth, mHeight);
int[] mBackShadowColors;
int[] mFrontShadowColors;
GradientDrawable mBackShadowDrawableLR;
GradientDrawable mBackShadowDrawableRL;
GradientDrawable mFolderShadowDrawableLR;
GradientDrawable mFolderShadowDrawableRL;
GradientDrawable mFrontShadowDrawableHBT;
GradientDrawable mFrontShadowDrawableHTB;
GradientDrawable mFrontShadowDrawableVLR;
GradientDrawable mFrontShadowDrawableVRL;
Paint mPaint;
Scroller mScroller;
public PageWidget(Context context) {
super(context);
// TODO Auto-generated constructor stub
mPath0 = new Path();
mPath1 = new Path();
createDrawable();
mPaint = new Paint();
mPaint.setStyle(Paint.Style.FILL);
ColorMatrix cm = new ColorMatrix();
float array[] = { 0.55f, 0, 0, 0, 80.0f, 0, 0.55f, 0, 0, 80.0f, 0, 0,
0.55f, 0, 80.0f, 0, 0, 0, 0.2f, 0 };
cm.set(array);
mColorMatrixFilter = new ColorMatrixColorFilter(cm);
mMatrix = new Matrix();
mScroller = new Scroller(getContext());
mTouch.x = 0.01f; // 不让x,y为0,否则在点计算时会有问题
mTouch.y = 0.01f;
}
/**
* Author : hmg25 Version: 1.0 Description : 计算拖拽点对应的拖拽脚
*/
public void calcCornerXY(float x, float y) {
if (x <= mWidth / 2)
mCornerX = 0;
else
mCornerX = mWidth;
if (y <= mHeight / 2)
mCornerY = 0;
else
mCornerY = mHeight;
if ((mCornerX == 0 && mCornerY == mHeight)
|| (mCornerX == mWidth && mCornerY == 0))
mIsRTandLB = true;
else
mIsRTandLB = false;
}
public boolean doTouchEvent(MotionEvent event) {
// TODO Auto-generated method stub
if (event.getAction() == MotionEvent.ACTION_MOVE) {
mTouch.x = event.getX();
mTouch.y = event.getY();
this.postInvalidate();
}
if (event.getAction() == MotionEvent.ACTION_DOWN) {
mTouch.x = event.getX();
mTouch.y = event.getY();
// calcCornerXY(mTouch.x, mTouch.y);
// this.postInvalidate();
}
if (event.getAction() == MotionEvent.ACTION_UP) {
if (canDragOver()) {
startAnimation(1200);
} else {
mTouch.x = mCornerX - 0.09f;
mTouch.y = mCornerY - 0.09f;
}
this.postInvalidate();
}
// return super.onTouchEvent(event);
this.postInvalidate();
return true;
}
/**
* Author : hmg25 Version: 1.0 Description : 求解直线P1P2和直线P3P4的交点坐标
*/
public PointF getCross(PointF P1, PointF P2, PointF P3, PointF P4) {
PointF CrossP = new PointF();
// 二元函数通式: y=ax+b
float a1 = (P2.y - P1.y) / (P2.x - P1.x);
float b1 = ((P1.x * P2.y) - (P2.x * P1.y)) / (P1.x - P2.x);
float a2 = (P4.y - P3.y) / (P4.x - P3.x);
float b2 = ((P3.x * P4.y) - (P4.x * P3.y)) / (P3.x - P4.x);
CrossP.x = (b2 - b1) / (a1 - a2);
CrossP.y = a1 * CrossP.x + b1;
return CrossP;
}
private void calcPoints() {
mMiddleX = (mTouch.x + mCornerX) / 2;
mMiddleY = (mTouch.y + mCornerY) / 2;
mBezierControl1.x = mMiddleX - (mCornerY - mMiddleY)
* (mCornerY - mMiddleY) / (mCornerX - mMiddleX);
mBezierControl1.y = mCornerY;
mBezierControl2.x = mCornerX;
mBezierControl2.y = mMiddleY - (mCornerX - mMiddleX)
* (mCornerX - mMiddleX) / (mCornerY - mMiddleY);
mBezierStart1.x = mBezierControl1.x - (mCornerX - mBezierControl1.x)
/ 2;
mBezierStart1.y = mCornerY;
// 当mBezierStart1.x < 0或者mBezierStart1.x > 480时
// 如果继续翻页,会出现BUG故在此限制
if (mTouch.x > 0 && mTouch.x < mWidth) {
if (mBezierStart1.x < 0 || mBezierStart1.x > mWidth) {
if (mBezierStart1.x < 0)
mBezierStart1.x = mWidth - mBezierStart1.x;
float f1 = Math.abs(mCornerX - mTouch.x);
float f2 = mWidth * f1 / mBezierStart1.x;
mTouch.x = Math.abs(mCornerX - f2);
float f3 = Math.abs(mCornerX - mTouch.x)
* Math.abs(mCornerY - mTouch.y) / f1;
mTouch.y = Math.abs(mCornerY - f3);
mMiddleX = (mTouch.x + mCornerX) / 2;
mMiddleY = (mTouch.y + mCornerY) / 2;
mBezierControl1.x = mMiddleX - (mCornerY - mMiddleY)
* (mCornerY - mMiddleY) / (mCornerX - mMiddleX);
mBezierControl1.y = mCornerY;
mBezierControl2.x = mCornerX;
mBezierControl2.y = mMiddleY - (mCornerX - mMiddleX)
* (mCornerX - mMiddleX) / (mCornerY - mMiddleY);
// Log.i("hmg", "mTouchX --> " + mTouch.x + " mTouchY--> "
// + mTouch.y);
// Log.i("hmg", "mBezierControl1.x-- " + mBezierControl1.x
// + " mBezierControl1.y -- " + mBezierControl1.y);
// Log.i("hmg", "mBezierControl2.x -- " + mBezierControl2.x
// + " mBezierControl2.y -- " + mBezierControl2.y);
mBezierStart1.x = mBezierControl1.x
- (mCornerX - mBezierControl1.x) / 2;
}
}
mBezierStart2.x = mCornerX;
mBezierStart2.y = mBezierControl2.y - (mCornerY - mBezierControl2.y)
/ 2;
mTouchToCornerDis = (float) Math.hypot((mTouch.x - mCornerX),
(mTouch.y - mCornerY));
mBezierEnd1 = getCross(mTouch, mBezierControl1, mBezierStart1,
mBezierStart2);
mBezierEnd2 = getCross(mTouch, mBezierControl2, mBezierStart1,
mBezierStart2);
mBeziervertex1.x = (mBezierStart1.x + 2 * mBezierControl1.x + mBezierEnd1.x) / 4;
mBeziervertex1.y = (2 * mBezierControl1.y + mBezierStart1.y + mBezierEnd1.y) / 4;
mBeziervertex2.x = (mBezierStart2.x + 2 * mBezierControl2.x + mBezierEnd2.x) / 4;
mBeziervertex2.y = (2 * mBezierControl2.y + mBezierStart2.y + mBezierEnd2.y) / 4;
}
/**
* 绘制当前页
*/
private void drawCurrentPageArea(Canvas canvas, Bitmap bitmap, Path path) {
mPath0.reset();
mPath0.moveTo(mBezierStart1.x, mBezierStart1.y);
mPath0.quadTo(mBezierControl1.x, mBezierControl1.y, mBezierEnd1.x,
mBezierEnd1.y);
mPath0.lineTo(mTouch.x, mTouch.y);
mPath0.lineTo(mBezierEnd2.x, mBezierEnd2.y);
mPath0.quadTo(mBezierControl2.x, mBezierControl2.y, mBezierStart2.x,
mBezierStart2.y);
mPath0.lineTo(mCornerX, mCornerY);
mPath0.close();
canvas.save();
canvas.clipPath(path, Region.Op.XOR);
canvas.drawBitmap(bitmap, 0, 0, null);
canvas.restore();
}
/**
* 绘制下一页
*/
private void drawNextPageAreaAndShadow(Canvas canvas, Bitmap bitmap) {
mPath1.reset();
mPath1.moveTo(mBezierStart1.x, mBezierStart1.y);
mPath1.lineTo(mBeziervertex1.x, mBeziervertex1.y);
mPath1.lineTo(mBeziervertex2.x, mBeziervertex2.y);
mPath1.lineTo(mBezierStart2.x, mBezierStart2.y);
mPath1.lineTo(mCornerX, mCornerY);
mPath1.close();
mDegrees = (float) Math.toDegrees(Math.atan2(mBezierControl1.x
- mCornerX, mBezierControl2.y - mCorn
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android 赛贝尔 翻页源码
共91个文件
png:34个
class:31个
xml:10个
4星 · 超过85%的资源 需积分: 0 8 下载量 84 浏览量
2012-08-16
15:47:20
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android 一个简易的赛贝尔翻页效果,在做电子书阅读的时候用得上,希望对大家有所帮助
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ebook.tar.rar (91个子文件)
ebook
bin
res
drawable-ldpi
ic_launcher.png 2KB
drawable-hdpi
home_btn_bg_s.png 4KB
home_btn_bg_n.png 592B
ico_tt01.png 3KB
ic_launcher.png 4KB
btn_sx.png 3KB
shelf_bkg.png 298KB
bg_footbar.png 462B
ico_zh01.png 4KB
ico_dp01.png 2KB
btn_xr.png 3KB
home_btn_bg_d.png 5KB
bg_title.png 460B
bg_foot.png 179B
ico_gd01.png 2KB
ico_zy01.png 3KB
drawable-mdpi
ic_launcher.png 2KB
classes
com
sqlite
BookMark.class 2KB
PageWidget.class 13KB
DbHelper.class 4KB
BookPageFactory.class 8KB
ebook
EbookActivity$4.class 1KB
MainActivity.class 7KB
MainActivity$7.class 1KB
MainActivity$3.class 3KB
MainActivity$2.class 929B
MainActivity$1.class 2KB
R$layout.class 399B
EbookActivity$2.class 2KB
R$id.class 869B
R$drawable.class 1KB
EbookActivity$5.class 1KB
MainActivity$10.class 1KB
R$attr.class 313B
MainActivity$8.class 843B
R$menu.class 366B
R.class 583B
R$array.class 373B
MainActivity$4.class 2KB
MainActivity$5.class 1KB
EbookActivity$3.class 849B
MainActivity$6.class 769B
R$string.class 506B
EbookActivity.class 7KB
EbookActivity$1.class 4KB
R$style.class 369B
MainActivity$9.class 815B
ScanSD.class 4KB
res
drawable-ldpi
ic_launcher.png 2KB
menu
game_menu.xml 344B
drawable-hdpi
home_btn_bg_s.png 4KB
dk.jpg 10KB
home_btn_bg_n.png 592B
ico_tt01.png 3KB
ic_launcher.png 4KB
btn_sx.png 3KB
shelf_bkg.png 298KB
storm.jpg 8KB
bg_footbar.png 462B
ico_zh01.png 4KB
top.gif 3KB
radio_bg.xml 476B
ico_dp01.png 2KB
btn_xr.png 3KB
home_btn_bg_d.png 5KB
bg_title.png 460B
bg_foot.png 179B
ico_gd01.png 2KB
ico_zy01.png 3KB
drawable
itemcolor.xml 499B
itemsize.xml 846B
values
strings.xml 312B
arrays.xml 249B
styles.xml 687B
drawable-mdpi
ic_launcher.png 3KB
mainbg.jpg 197KB
layout
relative.xml 620B
main.xml 6KB
assets
gen
com
ebook
R.java 3KB
proguard.cfg 1KB
src
com
sqlite
BookMark.java 2KB
BookPageFactory.java 8KB
DbHelper.java 2KB
PageWidget.java 17KB
ebook
ScanSD.java 2KB
MainActivity.java 8KB
EbookActivity.java 8KB
.project 808B
.classpath 372B
project.properties 361B
AndroidManifest.xml 1004B
共 91 条
- 1
资源评论
- supericetea2013-02-28实现了翻页效果
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