private void lookAtBoard(float fovy, float aspect, float boardWidth, float boardLength) {
float tgA2 = (float) Math.tan(fovy / 2 * (Math.PI / 180));
float sinA = (float) Math.sin(fovy * (Math.PI / 180));
float K = boardWidth / (2 * tgA2 * aspect);
float R = boardLength / (K * sinA);
float eyeZ;
{
float a = R * R;
float b = 2 * boardLength;
float c = K * K + boardLength * boardLength - R * R * K * K;
float d = b * b - 4 * a * c;
d = FloatMath.sqrt(d);
eyeZ = (-b + d) / (2 * a);
}
float eyeY = FloatMath.sqrt(K * K - eyeZ * eyeZ);
float tgO = eyeZ / eyeY;
float centerZ = eyeY * (tgO + tgA2) / (1 - tgO * tgA2) - eyeZ;
ReGLU.gluLookAt(m_modelviewMatrix, 0, eyeY, -eyeZ, 0, 0, centerZ, 0, 1, 0);
m_lookEye[1] = eyeY;
m_lookEye[2] = -eyeZ;
m_lookCenter[2] = centerZ;
}
@Override
public boolean onDown(MotionEvent event) {
scrolling = false;
synchronized (GlobalData.audioScene) {
// determine transformed coordinate of touch point
touchPoint[0] = event.getX();
touchPoint[1] = event.getY();
inverseViewportTransformation.mapPoints(touchPoint);
GlobalData.audioScene.inverseMapPoint(touchPoint);
// try to find nearest sound source
lastTouchSoundSource = GlobalData.audioScene.getNearestSoundSource(touchPoint);
if (lastTouchSoundSource != null) {
// get distance (touch point to source) in pixels
selectionOffset[0] = lastTouchSoundSource.getX();
selectionOffset[1] = lastTouchSoundSource.getY();
GlobalData.audioScene.mapPoint(selectionOffset);
viewportTransformation.mapPoints(selectionOffset);
selectionOffset[0] -= event.getX();
selectionOffset[1] -= event.getY();
float distance =
FloatMath.sqrt(
selectionOffset[0] * selectionOffset[0] + selectionOffset[1] * selectionOffset[1]);
// select source?
if (distance > SOURCE_SELECT_RADIUS) {
lastTouchSoundSource = null;
}
}
}
return true;
}
public void onSensorChanged(SensorEvent event) {
long currentTime = System.currentTimeMillis();
long diffTime = currentTime - mLastUpdateTime;
if (diffTime > UPDATE_INTERVAL) {
if (mLastUpdateTime != 0) {
float x = event.values[0];
float y = event.values[1];
float z = event.values[2];
float deltaX = x - mLastX;
float deltaY = y - mLastY;
float deltaZ = z - mLastZ;
float delta =
FloatMath.sqrt(deltaX * deltaX + deltaY * deltaY + deltaZ * deltaZ) / diffTime * 10000;
if (delta > SHAKE_THRESHOLD) {
if (!shaken) {
shaken = true;
finish();
}
if (listener != null) {
listener.onShake();
}
}
mLastX = x;
mLastY = y;
mLastZ = z;
}
mLastUpdateTime = currentTime;
}
}
// segment coordinations of this ellipse
private float[] segments() {
float a = M_PI / 2;
int segs = (int) ((rx + ry) / 60 * 20);
if (segs < 20) segs = 20;
float coef = 2.0f * M_PI / segs;
float vertices[] = new float[2 * (segs + 1 + (super.isSolid() ? 1 : 0))];
float rads, distance, angle, j, k;
for (int i = 0; i <= segs; ++i) {
rads = i * coef;
float xd = FloatMath.sin(rads) * rx;
float yd = FloatMath.cos(rads) * ry;
distance = FloatMath.sqrt(xd * xd + yd * yd);
angle = (float) Math.atan2(FloatMath.sin(rads) * rx, FloatMath.cos(rads) * ry);
j = distance * FloatMath.cos(angle + a) + center.x;
k = distance * FloatMath.sin(angle + a) + center.y;
vertices[i * 2] = j;
vertices[i * 2 + 1] = k;
}
if (super.isSolid()) {
vertices[(segs + 1) * 2] = center.x;
vertices[(segs + 1) * 2 + 1] = center.y;
}
return vertices;
}
// with_arrow: put a arrow-tick before the first point
void makeStraight(boolean with_arrow) {
// Log.v( TopoDroidApp.TAG, "make straight with arrow " + with_arrow + " size " + mPoints.size()
// );
// if ( mPoints.size() < 2 ) return;
// LinePoint first = mPoints.get( 0 );
// LinePoint last = mPoints.get( mPoints.size() - 1 );
if (mSize < 2) return;
LinePoint first = mFirst;
LinePoint last = mLast;
clear();
if (with_arrow) {
float dy = first.mX - last.mX;
float dx = -first.mY + last.mY;
float d = dx * dx + dy * dy;
if (d > 0.00001f) {
d = TDSetting.mArrowLength * TDSetting.mUnit / FloatMath.sqrt(d);
dx *= d;
dy *= d;
addStartPoint(first.mX + dx, first.mY + dy);
addPoint(first.mX, first.mY);
} else {
addStartPoint(first.mX, first.mY);
}
} else {
addStartPoint(first.mX, first.mY);
}
addPoint(last.mX, last.mY);
if (with_arrow) {
mDx = mDy = 0;
} else {
computeUnitNormal();
}
// Log.v( TopoDroidApp.TAG, "make straight final size " + mPoints.size() );
}
void makeReduce() {
if (mSize > 2) {
int size = 1;
LinePoint prev = mFirst;
LinePoint pt = mFirst.mNext;
while (pt != mLast) {
LinePoint next = pt.mNext; // pt.mNext != null because pt < mLast
float x1 = pt.mX - prev.mX;
float y1 = pt.mY - prev.mY;
float x2 = next.mX - pt.mX;
float y2 = next.mY - pt.mY;
float cos = (x1 * x2 + y1 * y2) / FloatMath.sqrt((x1 * x1 + y1 * y1) * (x2 * x2 + y2 * y2));
if (cos >= 0.7) {
prev.mNext = next;
next.mPrev = prev;
} else {
++size;
prev = pt;
}
pt = next;
}
++size; // for the mLast point
mSize = size;
}
retracePath();
}
/**
* This function is borrowed from the Android reference at
* http://developer.android.com/reference/android/hardware/SensorEvent.html#values It calculates a
* rotation vector from the gyroscope angular speed values.
*/
private void getRotationVectorFromGyro(
float[] gyroValues, float[] deltaRotationVector, float timeFactor) {
float[] normValues = new float[3];
// Calculate the angular speed of the sample
float omegaMagnitude =
FloatMath.sqrt(
gyroValues[0] * gyroValues[0]
+ gyroValues[1] * gyroValues[1]
+ gyroValues[2] * gyroValues[2]);
// Normalize the rotation vector if it's big enough to get the axis
if (omegaMagnitude > EPSILON) {
normValues[0] = gyroValues[0] / omegaMagnitude;
normValues[1] = gyroValues[1] / omegaMagnitude;
normValues[2] = gyroValues[2] / omegaMagnitude;
}
// Integrate around this axis with the angular speed by the timestep
// in order to get a delta rotation from this sample over the timestep
// We will convert this axis-angle representation of the delta rotation
// into a quaternion before turning it into the rotation matrix.
float thetaOverTwo = omegaMagnitude * timeFactor;
float sinThetaOverTwo = (float) FloatMath.sin(thetaOverTwo);
float cosThetaOverTwo = (float) FloatMath.cos(thetaOverTwo);
deltaRotationVector[0] = sinThetaOverTwo * normValues[0];
deltaRotationVector[1] = sinThetaOverTwo * normValues[1];
deltaRotationVector[2] = sinThetaOverTwo * normValues[2];
deltaRotationVector[3] = cosThetaOverTwo;
}
private float spacing(MotionEvent event) {
if (event == null || (event.getPointerCount() < 2)) return 0.0f;
float x = event.getX(0) - event.getX(1);
float y = event.getY(0) - event.getY(1);
return FloatMath.sqrt(x * x + y * y);
}
/**
* http://ogre.sourcearchive.com/documentation/1.4.5/classOgre_1_1Vector3_eeef4472ad0c4d5f34a038a9f2faa819.html#eeef4472ad0c4d5f34a038a9f2faa819
*
* @param direction
* @return
*/
public Quaternion getRotationTo(Number3D direction) {
// Based on Stan Melax's article in Game Programming Gems
Quaternion q = new Quaternion();
// Copy, since cannot modify local
Number3D v0 = this;
Number3D v1 = direction;
v0.normalize();
v1.normalize();
float d = Number3D.dot(v0, v1);
// If dot == 1, vectors are the same
if (d >= 1.0f) {
q.setIdentity();
}
if (d < 0.000001f - 1.0f) {
// Generate an axis
Number3D axis = Number3D.cross(Number3D.getAxisVector(Axis.X), this);
if (axis.length() == 0) // pick another if colinear
axis = Number3D.cross(Number3D.getAxisVector(Axis.Y), this);
axis.normalize();
q.fromAngleAxis(MathUtil.radiansToDegrees(MathUtil.PI), axis);
} else {
float s = FloatMath.sqrt((1 + d) * 2);
float invs = 1f / s;
Number3D c = Number3D.cross(v0, v1);
q.x = c.x * invs;
q.y = c.y * invs;
q.z = c.z * invs;
q.w = s * 0.5f;
q.normalize();
}
return q;
}
/**
* Return the current distance between the two pointers forming the gesture in progress.
*
* @return Distance between pointers in pixels.
*/
public float getCurrentSpan() {
if (mCurrLen == -1) {
final float cvx = mCurrFingerDiffX;
final float cvy = mCurrFingerDiffY;
mCurrLen = FloatMath.sqrt(cvx * cvx + cvy * cvy);
}
return mCurrLen;
}
/**
* Return the previous distance between the two pointers forming the gesture in progress.
*
* @return Previous distance between pointers in pixels.
*/
public float getPreviousSpan() {
if (mPrevLen == -1) {
final float pvx = mPrevFingerDiffX;
final float pvy = mPrevFingerDiffY;
mPrevLen = FloatMath.sqrt(pvx * pvx + pvy * pvy);
}
return mPrevLen;
}
private float spacing(MotionEvent event) {
if (event.getPointerCount() >= 2) {
float x = event.getX(0) - event.getX(1);
float y = event.getY(0) - event.getY(1);
return FloatMath.sqrt(x * x + y * y);
}
return this.oldDist;
}
/**
* calculate the distance between two touch points
*
* <p>複数タッチしたポイントの距離
*
* <p>计算两点触控时两点之间的距离
*
* @param event
* @return float
* <p>distance
* <p>距離
* <p>距离
*/
protected float calcDistance(MotionEvent event) {
if (event.getPointerCount() <= 1) {
return 0f;
} else {
float x = event.getX(0) - event.getX(1);
float y = event.getY(0) - event.getY(1);
return FloatMath.sqrt(x * x + y * y);
}
}
/**
* 计算2点之间的距离
*
* @param event
* @return
*/
private float spacing(MotionEvent event) {
try {
float x = event.getX(0) - event.getX(1);
float y = event.getY(0) - event.getY(1);
return FloatMath.sqrt(x * x + y * y);
} catch (Exception e) {
e.printStackTrace();
return 1.1f;
}
}
public float normalize() {
float mod = FloatMath.sqrt(x * x + y * y + z * z);
if (mod != 0 && mod != 1) {
mod = 1 / mod;
this.x *= mod;
this.y *= mod;
this.z *= mod;
}
return mod;
}
public static Bitmap decodeThumbnail(
JobContext jc, FileDescriptor fd, Options options, int targetSize, int type) {
if (options == null) options = new Options();
jc.setCancelListener(new DecodeCanceller(options));
options.inJustDecodeBounds = true;
BitmapFactory.decodeFileDescriptor(fd, null, options);
if (jc.isCancelled()) return null;
int w = options.outWidth;
int h = options.outHeight;
if (type == MediaItem.TYPE_MICROTHUMBNAIL) {
// We center-crop the original image as it's micro thumbnail. In this case,
// we want to make sure the shorter side >= "targetSize".
float scale = (float) targetSize / Math.min(w, h);
options.inSampleSize = BitmapUtils.computeSampleSizeLarger(scale);
// For an extremely wide image, e.g. 300x30000, we may got OOM when decoding
// it for TYPE_MICROTHUMBNAIL. So we add a max number of pixels limit here.
final int MAX_PIXEL_COUNT = 640000; // 400 x 1600
if ((w / options.inSampleSize) * (h / options.inSampleSize) > MAX_PIXEL_COUNT) {
options.inSampleSize =
BitmapUtils.computeSampleSize(FloatMath.sqrt((float) MAX_PIXEL_COUNT / (w * h)));
}
} else {
// For screen nail, we only want to keep the longer side >= targetSize.
float scale = (float) targetSize / Math.max(w, h);
options.inSampleSize = BitmapUtils.computeSampleSizeLarger(scale);
}
options.inJustDecodeBounds = false;
setOptionsMutable(options);
Bitmap result = BitmapFactory.decodeFileDescriptor(fd, null, options);
if (result == null) return null;
// We need to resize down if the decoder does not support inSampleSize
// (For example, GIF images)
float scale =
(float) targetSize
/ (type == MediaItem.TYPE_MICROTHUMBNAIL
? Math.min(result.getWidth(), result.getHeight())
: Math.max(result.getWidth(), result.getHeight()));
if (scale <= 0.5) result = BitmapUtils.resizeBitmapByScale(result, scale, true);
return ensureGLCompatibleBitmap(result);
}
private static final float computeAlpha(
float low, float high, float[] current, float[] previous) {
if (previous.length != 3 || current.length != 3) return ALPHA_DEFAULT;
float x1 = current[0], y1 = current[1], z1 = current[2];
float x2 = previous[0], y2 = previous[1], z2 = previous[2];
float distance =
FloatMath.sqrt(
(float)
(Math.pow((double) (x2 - x1), 2d)
+ Math.pow((double) (y2 - y1), 2d)
+ Math.pow((double) (z2 - z1), 2d)));
if (distance < low) {
return ALPHA_STEADY;
} else if (distance >= low || distance < high) {
return ALPHA_START_MOVING;
}
return ALPHA_MOVING;
}
boolean intersects(RectF tRect, float tRot, RectF sRect, float sRot) {
if (Math.abs(tRot) < Math.PI / 15 && Math.abs(sRot) < Math.PI / 15) {
return RectF.intersects(tRect, sRect);
}
float dist =
FloatMath.sqrt(
sqr(tRect.centerX() - sRect.centerX()) + sqr(tRect.centerY() - sRect.centerY()));
if (dist < 3) {
return true;
}
// difference close to 90/270 degrees
if (Math.abs(Math.cos(tRot - sRot)) < 0.3) {
// rotate one rectangle to 90 degrees
tRot += Math.PI / 2;
float l = tRect.centerX() - tRect.height() / 2;
float t = tRect.centerY() - tRect.width() / 2;
tRect = new RectF(l, t, l + tRect.height(), t + tRect.width());
}
// determine difference close to 180/0 degrees
if (Math.abs(FloatMath.sin(tRot - sRot)) < 0.3) {
// rotate t box
// (calculate offset for t center suppose we rotate around s center)
float diff =
(float)
(-Math.atan2(tRect.centerX() - sRect.centerX(), tRect.centerY() - sRect.centerY())
+ Math.PI / 2);
diff -= sRot;
float left = sRect.centerX() + dist * FloatMath.cos(diff) - tRect.width() / 2;
float top = sRect.centerY() - dist * FloatMath.sin(diff) - tRect.height() / 2;
RectF nRect = new RectF(left, top, left + tRect.width(), top + tRect.height());
return RectF.intersects(nRect, sRect);
}
// TODO other cases not covered
return RectF.intersects(tRect, sRect);
}
private float spacing(MotionEvent event) {
float x = event.getX(0) - event.getX(1);
float y = event.getY(0) - event.getY(1);
return FloatMath.sqrt(x * x + y * y);
}
/**
* 两个点之间的距离
*
* @param x1
* @param y1
* @param x2
* @param y2
* @return
*/
private float distance4PointF(PointF pf1, PointF pf2) {
float disX = pf2.x - pf1.x;
float disY = pf2.y - pf1.y;
return FloatMath.sqrt(disX * disX + disY * disY);
}
/**
* This function will take 2 float points and return the distance between them.
*
* @param x1 The x component of point x.
* @param y1 The y component of point x
* @param x2 The x component of point y.
* @param y2 The y component of point y.
* @return The distance between two float points.
*/
public static float distance(float x1, float y1, float x2, float y2) {
// Not using a power here, since there is no FloatMath pow function, so this is easiest.
return (FloatMath.sqrt((x2 - x1) * (x2 - x1) + (y2 - y1) * (y2 - y1)));
} /* CommonInstrumentationTest */
public static float distance(PointF p1, PointF p2) {
float x = p1.x - p2.x;
float y = p1.y - p2.y;
return FloatMath.sqrt(x * x + y * y);
}
public boolean onTouchEvent(MotionEvent event) {
// if(!isEditable){
//// switch (event.getAction() ) {
//// case MotionEvent.ACTION_DOWN:
//// setEditable(true);
//// return true;
//// }
// return super.onTouchEvent(event);
// }
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
// Log.e("zzd", "event.getX():" + event.getX() + ", event.getY():" + event.getY());
mPreMovePointF.set(event.getX(), event.getY());
mStatus = JudgeStatus(event.getX(), event.getY());
if (mLTPoint != null && mLBPoint != null && mRTPoint != null && mRBPoint != null) {
if (calculatePoint(
mLTPoint, mLBPoint, mRTPoint, mRBPoint, new PointF(event.getX(), event.getY()))) {
if (!isEditable) {
setEditable(true);
}
} else {
// 如果点击的时候是STATUS_ROTATE_ZOOM状态，就不设置isEditable为false
if (mStatus != STATUS_ROTATE_ZOOM) {
setEditable(false);
super.onTouchEvent(event);
}
}
// Log.e("zzd", "isEditable:" + isEditable);
}
break;
case MotionEvent.ACTION_UP:
mStatus = STATUS_INIT;
break;
case MotionEvent.ACTION_MOVE:
if (!isEditable) {
return super.onTouchEvent(event);
}
mCurMovePointF.set(event.getX(), event.getY());
if (mStatus == STATUS_ROTATE_ZOOM) {
float scale = 1f;
int halfBitmapWidth = mWaterMarkBitmap.getWidth() / 2;
int halfBitmapHeight = mWaterMarkBitmap.getHeight() / 2;
// 图片某个点到图片中心的距离
float bitmapToCenterDistance =
FloatMath.sqrt(
halfBitmapWidth * halfBitmapWidth + halfBitmapHeight * halfBitmapHeight);
// 移动的点到图片中心的距离
float moveToCenterDistance = distance4PointF(mCenterPoint, mCurMovePointF);
// 计算缩放比例
scale = moveToCenterDistance / bitmapToCenterDistance;
// 缩放比例的界限判断
if (scale <= MIN_SCALE) {
scale = MIN_SCALE;
} else if (scale >= MAX_SCALE) {
scale = MAX_SCALE;
}
// 角度
double a = distance4PointF(mCenterPoint, mPreMovePointF);
double b = distance4PointF(mPreMovePointF, mCurMovePointF);
double c = distance4PointF(mCenterPoint, mCurMovePointF);
double cosb = (a * a + c * c - b * b) / (2 * a * c);
if (cosb >= 1) {
cosb = 1f;
}
double radian = Math.acos(cosb);
float newDegree = (float) radianToDegree(radian);
// center -> proMove的向量， 我们使用PointF来实现
PointF centerToProMove =
new PointF((mPreMovePointF.x - mCenterPoint.x), (mPreMovePointF.y - mCenterPoint.y));
// center -> curMove 的向量
PointF centerToCurMove =
new PointF((mCurMovePointF.x - mCenterPoint.x), (mCurMovePointF.y - mCenterPoint.y));
// 向量叉乘结果, 如果结果为负数， 表示为逆时针， 结果为正数表示顺时针
float result =
centerToProMove.x * centerToCurMove.y - centerToProMove.y * centerToCurMove.x;
if (result < 0) {
newDegree = -newDegree;
}
mDegree = mDegree + newDegree;
mScale = scale;
// Log.e(TAG,"mScale:" + mScale);
transformDraw();
} else if (mStatus == STATUS_DRAG) {
// 修改中心点
mCenterPoint.x += mCurMovePointF.x - mPreMovePointF.x;
mCenterPoint.y += mCurMovePointF.y - mPreMovePointF.y;
// adjustLayout();
transformDraw();
}
mPreMovePointF.set(mCurMovePointF);
break;
}
return true;
}
public static float distance(float x1, float y1, float x2, float y2) {
float x = x1 - x2;
float y = y1 - y2;
return FloatMath.sqrt(x * x + y * y);
}
private static float hypot(float x, float y) {
return FloatMath.sqrt(x * x + y * y);
}
@Override
public float getPercentageDone(final float n, final float n2, final float n3, final float n4) {
final float n5 = n / n2 - 1.0f;
return n3 + n4 * FloatMath.sqrt(1.0f - n5 * n5);
}
@Override
public float getScale() {
return FloatMath.sqrt(
(float) Math.pow(getValue(mSuppMatrix, Matrix.MSCALE_X), 2)
+ (float) Math.pow(getValue(mSuppMatrix, Matrix.MSKEW_Y), 2));
}
static void write(BufferedWriter out, DistoXNum num, DrawingCommandManager plot, long type) {
VERSION = TDSetting.mAcadVersion;
float scale = TDSetting.mDxfScale;
int handle = 0;
float xmin = 10000f, xmax = -10000f, ymin = 10000f, ymax = -10000f;
// compute BBox
for (ICanvasCommand cmd : plot.getCommands()) {
if (cmd.commandType() != 0) continue;
DrawingPath p = (DrawingPath) cmd;
if (p.mType == DrawingPath.DRAWING_PATH_LINE) {
DrawingLinePath lp = (DrawingLinePath) p;
if (lp.lineType() == DrawingBrushPaths.mLineLib.mLineWallIndex) {
// ArrayList< LinePoint > pts = lp.mPoints;
// for ( LinePoint pt : pts )
for (LinePoint pt = lp.mFirst; pt != null; pt = pt.mNext) {
if (pt.mX < xmin) xmin = pt.mX;
if (pt.mX > xmax) xmax = pt.mX;
if (pt.mY < ymin) ymin = pt.mY;
if (pt.mY > ymax) ymax = pt.mY;
}
}
} else if (p.mType == DrawingPath.DRAWING_PATH_POINT) {
DrawingPointPath pp = (DrawingPointPath) p;
if (pp.cx < xmin) xmin = pp.cx;
if (pp.cx > xmax) xmax = pp.cx;
if (pp.cy < ymin) ymin = pp.cy;
if (pp.cy > ymax) ymax = pp.cy;
} else if (p.mType == DrawingPath.DRAWING_PATH_STATION) {
DrawingStationPath st = (DrawingStationPath) p;
if (st.cx < xmin) xmin = st.cx;
if (st.cx > xmax) xmax = st.cx;
if (st.cy < ymin) ymin = st.cy;
if (st.cy > ymax) ymax = st.cy;
}
}
xmin *= scale;
xmax *= scale;
ymin *= scale;
ymax *= scale;
// Log.v("DistoX", "DXF X " + xmin + " " + xmax + " Y " + ymin + " " + ymax );
try {
// header
writeComment(out, "DXF created by TopoDroid v. " + TopoDroidApp.VERSION);
writeSection(out, "HEADER");
xmin -= 2f;
ymax += 2f;
writeString(out, 9, "$ACADVER");
String ACAD_VERSION = (VERSION == 13) ? "AC1012" : "AC1009";
writeString(out, 1, ACAD_VERSION);
if (VERSION >= 13) {
writeString(out, 9, "$DWGCODEPAGE");
writeString(out, 3, "ANSI_1251");
}
writeString(out, 9, "$INSBASE");
{
StringWriter sw1 = new StringWriter();
PrintWriter pw1 = new PrintWriter(sw1);
printXYZ(pw1, 0.0f, 0.0f, 0.0f); // FIXME (0,0,0)
printString(pw1, 9, "$EXTMIN");
printXYZ(pw1, xmin, -ymax, 0.0f);
printString(pw1, 9, "$EXTMAX");
printXYZ(pw1, xmax * scale, -ymin * scale, 0.0f);
out.write(sw1.getBuffer().toString());
}
writeEndSection(out);
String lt_continuous = "CONTINUOUS";
writeSection(out, "TABLES");
{
if (VERSION >= 13) {
++handle;
writeBeginTable(out, "VPORT", handle, 1);
{
writeString(out, 0, "VPORT");
++handle;
writeAcDb(out, handle, "AcDbSymbolTableRecord", "AcDbViewportTableRecord");
writeString(out, 2, "MyViewport");
writeInt(out, 70, 0);
writeString(out, 10, zero);
writeString(out, 20, zero);
writeString(out, 11, one);
writeString(out, 21, one);
writeString(out, 12, zero);
writeString(out, 22, zero);
writeString(out, 13, zero);
writeString(out, 23, zero);
writeString(out, 14, half);
writeString(out, 24, half);
writeString(out, 15, half);
writeString(out, 25, half);
writeString(out, 16, zero);
writeString(out, 26, zero);
writeString(out, 36, one);
writeString(out, 17, zero);
writeString(out, 27, zero);
writeString(out, 37, zero);
writeString(out, 40, zero);
writeString(out, 41, "2.0");
writeString(out, 42, "50.0");
}
writeEndTable(out);
}
++handle;
writeBeginTable(out, "LTYPE", handle, 1);
{
// int flag = 64;
writeString(out, 0, "LTYPE");
++handle;
writeAcDb(out, handle, "AcDbSymbolTableRecord", "AcDbLinetypeTableRecord");
writeString(out, 2, lt_continuous);
writeInt(out, 70, 64);
writeString(out, 3, "Solid line");
writeInt(out, 72, 65);
writeInt(out, 73, 0);
writeString(out, 40, zero);
}
writeEndTable(out);
SymbolLineLibrary linelib = DrawingBrushPaths.mLineLib;
SymbolAreaLibrary arealib = DrawingBrushPaths.mAreaLib;
int nr_layers = 6 + linelib.mSymbolNr + arealib.mSymbolNr;
++handle;
writeBeginTable(out, "LAYER", handle, nr_layers);
{
StringWriter sw2 = new StringWriter();
PrintWriter pw2 = new PrintWriter(sw2);
// 2 layer name, 70 flag (64), 62 color code, 6 line type
int flag = 0;
int color = 1;
++handle;
printLayer(pw2, handle, "LEG", flag, color, lt_continuous);
++color;
++handle;
printLayer(pw2, handle, "SPLAY", flag, color, lt_continuous);
++color;
++handle;
printLayer(pw2, handle, "STATION", flag, color, lt_continuous);
++color;
++handle;
printLayer(pw2, handle, "LINE", flag, color, lt_continuous);
++color;
++handle;
printLayer(pw2, handle, "POINT", flag, color, lt_continuous);
++color;
// ++handle; printLayer( pw2, handle, "AREA", flag, color, lt_continuous ); ++color;
++handle;
printLayer(pw2, handle, "REF", flag, color, lt_continuous);
++color;
if (linelib != null) {
for (Symbol line : linelib.getSymbols()) {
String lname = "L_" + line.getThName().replace(':', '-');
++handle;
printLayer(pw2, handle, lname, flag, color, lt_continuous);
++color;
}
}
if (arealib != null) {
for (Symbol s : arealib.getSymbols()) {
String aname = "A_" + s.getThName().replace(':', '-');
++handle;
printLayer(pw2, handle, aname, flag, color, lt_continuous);
++color;
}
}
out.write(sw2.getBuffer().toString());
}
writeEndTable(out);
if (VERSION >= 13) {
++handle;
writeBeginTable(out, "STYLE", handle, 1);
{
writeString(out, 0, "STYLE");
++handle;
writeAcDb(out, handle, "AcDbSymbolTableRecord", "AcDbTextStyleTableRecord");
writeString(out, 2, "MyStyle"); // name
writeInt(out, 70, 0); // flag
writeString(out, 40, zero);
writeString(out, 41, one);
writeString(out, 42, one);
writeString(out, 3, "arial.ttf"); // fonts
}
writeEndTable(out);
}
++handle;
writeBeginTable(out, "VIEW", handle, 0);
writeEndTable(out);
++handle;
writeBeginTable(out, "UCS", handle, 0);
writeEndTable(out);
if (VERSION >= 13) {
++handle;
writeBeginTable(out, "STYLE", handle, 0);
writeEndTable(out);
}
++handle;
writeBeginTable(out, "APPID", handle, 1);
{
writeString(out, 0, "APPID");
++handle;
writeAcDb(out, handle, "AcDbSymbolTableRecord", "AcDbRegAppTableRecord");
writeString(out, 2, "ACAD"); // applic. name
writeInt(out, 70, 0); // flag
}
writeEndTable(out);
if (VERSION >= 13) {
++handle;
writeBeginTable(out, "DIMSTYLE", handle, -1);
writeString(out, 100, "AcDbDimStyleTable");
writeInt(out, 70, 1);
writeEndTable(out);
++handle;
writeBeginTable(out, "BLOCK_RECORD", handle, DrawingBrushPaths.mPointLib.mSymbolNr);
{
for (int n = 0; n < DrawingBrushPaths.mPointLib.mSymbolNr; ++n) {
String block =
"P_" + DrawingBrushPaths.mPointLib.getSymbolThName(n).replace(':', '-');
writeString(out, 0, "BLOCK_RECORD");
++handle;
writeAcDb(out, handle, "AcDbSymbolTableRecord", "AcDbBlockTableRecord");
writeString(out, 2, block);
writeInt(out, 70, 0); // flag
}
}
writeEndTable(out);
}
}
writeEndSection(out);
out.flush();
writeSection(out, "BLOCKS");
{
// // 8 layer (0), 2 block name,
for (int n = 0; n < DrawingBrushPaths.mPointLib.mSymbolNr; ++n) {
SymbolPoint pt = (SymbolPoint) DrawingBrushPaths.mPointLib.getSymbolByIndex(n);
String block = "P_" + pt.getThName().replace(':', '-');
writeString(out, 0, "BLOCK");
++handle;
writeAcDb(out, handle, "AcDbEntity", "AcDbBlockBegin");
writeString(out, 8, "POINT");
writeString(out, 2, block);
writeInt(out, 70, 64); // flag 64 = this definition is referenced
writeString(out, 10, "0.0");
writeString(out, 20, "0.0");
writeString(out, 30, "0.0");
out.write(pt.getDxf());
// out.write( DrawingBrushPaths.mPointLib.getPoint(n).getDxf() );
writeString(out, 0, "ENDBLK");
if (VERSION >= 13) {
++handle;
writeAcDb(out, handle, "AcDbEntity", "AcDbBlockEnd");
writeString(out, 8, "POINT");
}
}
}
writeEndSection(out);
out.flush();
writeSection(out, "ENTITIES");
{
float SCALE_FIX = DrawingUtil.SCALE_FIX;
// reference
{
StringWriter sw9 = new StringWriter();
PrintWriter pw9 = new PrintWriter(sw9);
printString(pw9, 0, "LINE");
++handle;
printAcDb(pw9, handle, "AcDbEntity", "AcDbLine");
printString(pw9, 8, "REF");
// printInt( pw9, 39, 0 ); // line thickness
printXYZ(pw9, xmin, -ymax, 0.0f);
printXYZ1(pw9, (xmin + 10 * SCALE_FIX), -ymax, 0.0f);
out.write(sw9.getBuffer().toString());
}
{
StringWriter sw8 = new StringWriter();
PrintWriter pw8 = new PrintWriter(sw8);
printString(pw8, 0, "LINE");
++handle;
printAcDb(pw8, handle, "AcDbEntity", "AcDbLine");
printString(pw8, 8, "REF");
// printInt( pw8, 39, 0 ); // line thickness
printXYZ(pw8, xmin, -ymax, 0.0f);
printXYZ1(pw8, xmin, -ymax + 10 * SCALE_FIX, 0.0f);
out.write(sw8.getBuffer().toString());
}
{
StringWriter sw7 = new StringWriter();
PrintWriter pw7 = new PrintWriter(sw7);
printString(pw7, 0, "TEXT");
++handle;
printAcDb(pw7, handle, "AcDbEntity", "AcDbText");
printString(pw7, 8, "REF");
// pw7.printf("%s\n 0\n", "\"10\"" );
printXYZ(pw7, (xmin + 10 * SCALE_FIX + 1), -ymax, 0.0f);
printFloat(pw7, 40, 0.3f);
printString(pw7, 1, "\"10\"");
out.write(sw7.getBuffer().toString());
}
{
StringWriter sw6 = new StringWriter();
PrintWriter pw6 = new PrintWriter(sw6);
printString(pw6, 0, "TEXT");
++handle;
printAcDb(pw6, handle, "AcDbEntity", "AcDbText");
printString(pw6, 8, "REF");
// pw6.printf("%s\n 0\n", "\"10\"" );
printXYZ(pw6, xmin, -ymax + 10 * SCALE_FIX + 1, 0.0f);
printFloat(pw6, 40, 0.3f);
// printFloat( pw6, 50, 90.0f ); // rotation
printString(pw6, 1, "\"10\"");
out.write(sw6.getBuffer().toString());
}
out.flush();
// centerline data
if (type == PlotInfo.PLOT_PLAN || type == PlotInfo.PLOT_EXTENDED) {
for (DrawingPath sh : plot.getLegs()) {
DistoXDBlock blk = sh.mBlock;
if (blk == null) continue;
StringWriter sw4 = new StringWriter();
PrintWriter pw4 = new PrintWriter(sw4);
// if ( sh.mType == DrawingPath.DRAWING_PATH_FIXED ) {
NumStation f = num.getStation(blk.mFrom);
NumStation t = num.getStation(blk.mTo);
printString(pw4, 0, "LINE");
++handle;
printAcDb(pw4, handle, "AcDbEntity", "AcDbLine");
printString(pw4, 8, "LEG");
// printInt( pw4, 39, 2 ); // line thickness
if (type == PlotInfo.PLOT_PLAN) {
float x = scale * DrawingUtil.toSceneX(f.e);
float y = scale * DrawingUtil.toSceneY(f.s);
float x1 = scale * DrawingUtil.toSceneX(t.e);
float y1 = scale * DrawingUtil.toSceneY(t.s);
printXYZ(pw4, x, -y, 0.0f);
printXYZ1(pw4, x1, -y1, 0.0f);
} else if (type == PlotInfo.PLOT_EXTENDED) {
float x = scale * DrawingUtil.toSceneX(f.h);
float y = scale * DrawingUtil.toSceneY(f.v);
float x1 = scale * DrawingUtil.toSceneX(t.h);
float y1 = scale * DrawingUtil.toSceneY(t.v);
printXYZ(pw4, x, -y, 0.0f);
printXYZ1(pw4, x1, -y1, 0.0f);
} else if (type == PlotInfo.PLOT_SECTION) {
// nothing
}
// }
out.write(sw4.getBuffer().toString());
out.flush();
}
for (DrawingPath sh : plot.getSplays()) {
DistoXDBlock blk = sh.mBlock;
if (blk == null) continue;
StringWriter sw41 = new StringWriter();
PrintWriter pw41 = new PrintWriter(sw41);
// if ( sh.mType == DrawingPath.DRAWING_PATH_SPLAY ) {
NumStation f = num.getStation(blk.mFrom);
printString(pw41, 0, "LINE");
++handle;
printAcDb(pw41, handle, "AcDbEntity", "AcDbLine");
printString(pw41, 8, "SPLAY");
// printInt( pw41, 39, 1 ); // line thickness
float dhs =
scale * blk.mLength * FloatMath.cos(blk.mClino * grad2rad) * SCALE_FIX; // scaled dh
if (type == PlotInfo.PLOT_PLAN) {
float x = scale * DrawingUtil.toSceneX(f.e);
float y = scale * DrawingUtil.toSceneY(f.s);
float de = dhs * FloatMath.sin(blk.mBearing * grad2rad);
float ds = -dhs * FloatMath.cos(blk.mBearing * grad2rad);
printXYZ(pw41, x, -y, 0.0f);
printXYZ1(pw41, x + de, -(y + ds), 0.0f);
} else if (type == PlotInfo.PLOT_EXTENDED) {
float x = scale * DrawingUtil.toSceneX(f.h);
float y = scale * DrawingUtil.toSceneY(f.v);
float dv = -blk.mLength * FloatMath.sin(blk.mClino * grad2rad) * SCALE_FIX;
printXYZ(pw41, x, -y, 0.0f);
printXYZ1(pw41, x + dhs * blk.mExtend, -(y + dv), 0.0f);
} else if (type == PlotInfo.PLOT_SECTION) {
// nothing
}
// }
out.write(sw41.getBuffer().toString());
out.flush();
}
}
// FIXME station scale is 0.3
float POINT_SCALE = 10.0f;
for (ICanvasCommand cmd : plot.getCommands()) {
if (cmd.commandType() != 0) continue;
DrawingPath path = (DrawingPath) cmd;
StringWriter sw5 = new StringWriter();
PrintWriter pw5 = new PrintWriter(sw5);
if (path.mType == DrawingPath.DRAWING_PATH_STATION) {
DrawingStationPath st = (DrawingStationPath) path;
printString(pw5, 0, "TEXT");
printString(pw5, 8, "STATION");
if (VERSION >= 13) {
++handle;
printAcDb(pw5, handle, "AcDbEntity", "AcDbText");
pw5.printf("%s\n 0\n", st.mName);
}
printXYZ(pw5, st.cx * scale, -st.cy * scale, 0.0f);
printFloat(pw5, 40, POINT_SCALE);
printString(pw5, 1, st.mName);
} else if (path.mType == DrawingPath.DRAWING_PATH_LINE) {
DrawingLinePath line = (DrawingLinePath) path;
String layer =
"L_"
+ DrawingBrushPaths.mLineLib.getSymbolThName(line.lineType()).replace(':', '-');
// String layer = "LINE";
int flag = 0;
boolean use_spline = false;
if (VERSION >= 13) {
for (LinePoint p = line.mFirst; p != null; p = p.mNext) {
if (p.has_cp) {
use_spline = true;
break;
}
}
}
if (use_spline) {
printString(pw5, 0, "SPLINE");
++handle;
printAcDb(pw5, handle, "AcDbEntity", "AcDbSpline");
printString(pw5, 8, layer);
printString(pw5, 6, lt_continuous);
printFloat(pw5, 48, 1.0f); // scale
printInt(pw5, 60, 0); // visibilty (0: visible, 1: invisible)
printInt(pw5, 66, 1); // group 1
// printInt( pw5, 67, 0 ); // in model space [default]
printInt(pw5, 210, 0);
printInt(pw5, 220, 0);
printInt(pw5, 230, 1);
float xt = 0, yt = 0;
int np = 2;
LinePoint p = line.mFirst;
LinePoint pn = p.mNext;
if (pn != null) {
if (pn.has_cp) {
xt = pn.mX1 - p.mX;
yt = pn.mY1 - p.mY;
} else {
xt = pn.mX - p.mX;
yt = pn.mY - p.mY;
}
float d = FloatMath.sqrt(xt * xt + yt * yt);
printFloat(pw5, 12, xt / d);
printFloat(pw5, 22, -yt / d);
printFloat(pw5, 32, 0);
while (pn.mNext != null) {
p = pn;
pn = pn.mNext;
++np;
}
if (pn.has_cp) {
xt = pn.mX - pn.mX2;
yt = pn.mY - pn.mY2;
} else {
xt = pn.mX - p.mX;
yt = pn.mY - p.mY;
}
d = FloatMath.sqrt(xt * xt + yt * yt);
printFloat(pw5, 13, xt / d);
printFloat(pw5, 23, -yt / d);
printFloat(pw5, 33, 0);
}
int ncp = np + 3 * (np - 1) - 1;
int nk = ncp + 4 - (np - 2);
printInt(pw5, 70, 1064);
printInt(pw5, 71, 3); // degree
printInt(pw5, 72, nk); // nr. of knots
printInt(pw5, 73, ncp); // nr. of control pts
printInt(pw5, 74, np); // nr. of fix points
printInt(pw5, 40, 0);
for (int k = 0; k < np; ++k) {
for (int j = 0; j < 3; ++j) printInt(pw5, 40, k);
}
printInt(pw5, 40, np - 1);
p = line.mFirst;
xt = p.mX;
yt = p.mY;
printXYZ(pw5, p.mX * scale, -p.mY * scale, 0.0f);
for (p = p.mNext; p != null; p = p.mNext) {
if (p.has_cp) {
printXYZ(pw5, p.mX1 * scale, -p.mY1 * scale, 0.0f);
printXYZ(pw5, p.mX2 * scale, -p.mY2 * scale, 0.0f);
} else {
printXYZ(pw5, xt * scale, -yt * scale, 0.0f);
printXYZ(pw5, p.mX * scale, -p.mY * scale, 0.0f);
}
printXYZ(pw5, p.mX * scale, -p.mY * scale, 0.0f);
xt = p.mX;
yt = p.mY;
}
for (p = line.mFirst; p != null; p = p.mNext) {
printXYZ1(pw5, p.mX * scale, -p.mY * scale, 0.0f);
}
} else {
printString(pw5, 0, "POLYLINE");
++handle;
printAcDb(pw5, handle, "AcDbEntity", "AcDbPolyline");
printString(pw5, 8, layer);
// printInt( pw5, 39, 1 ); // line thickness
printInt(pw5, 66, 1); // group 1
printInt(pw5, 70, 0); // flag
for (LinePoint p = line.mFirst; p != null; p = p.mNext) {
printString(pw5, 0, "VERTEX");
if (VERSION >= 13) {
++handle;
printAcDb(pw5, handle, "AcDbVertex", "AcDb3dPolylineVertex");
printInt(pw5, 70, 32);
}
printString(pw5, 8, layer);
printXYZ(pw5, p.mX * scale, -p.mY * scale, 0.0f);
}
}
pw5.printf(" 0\nSEQEND\n");
if (VERSION >= 13) {
++handle;
printHex(pw5, 5, handle);
}
} else if (path.mType == DrawingPath.DRAWING_PATH_AREA) {
DrawingAreaPath area = (DrawingAreaPath) path;
String layer =
"A_"
+ DrawingBrushPaths.mAreaLib.getSymbolThName(area.areaType()).replace(':', '-');
printString(pw5, 0, "HATCH"); // entity type HATCH
// ++handle; printAcDb( pw5, handle, "AcDbEntity", "AcDbHatch" );
// printString( pw5, 8, "AREA" ); // layer (color BYLAYER)
printString(pw5, 8, layer); // layer (color BYLAYER)
// printXYZ( pw5, 0f, 0f, 0f );
printFloat(pw5, 210, 0f); // extrusion direction
printFloat(pw5, 220, 0f);
printFloat(pw5, 230, 1f);
printInt(pw5, 70, 1); // solid fill
printInt(pw5, 71, 1); // associative
printInt(pw5, 91, 1); // nr. boundary paths: 1
printInt(pw5, 92, 3); // flag: external (bit-0) polyline (bit-1)
printInt(pw5, 93, area.size()); // nr. of edges / vertices
printInt(pw5, 72, 0); // edge type (0: default)
printInt(pw5, 73, 1); // is-closed flag
for (LinePoint p = area.mFirst; p != null; p = p.mNext) {
printXY(pw5, p.mX * scale, -p.mY * scale);
}
// printInt( pw5, 97, 0 ); // nr. source boundary objects
// printInt( pw5, 75, 1 ); // hatch style (normal)
// printInt( pw5, 76, 1 );
// printFloat( pw5, 52, 1.5708f ); // hatch pattern angle
// printFloat( pw5, 41, 3f ); // hatch pattern scale
// printInt( pw5, 77, 0 ); // hatch pattern double flag (0: not double)
// printInt( pw5, 78, 1 ); // nr. pattern lines
// printFloat( pw5, 53, 1.5708f ); // pattern line angle
// printFloat( pw5, 43, 0f ); // pattern base point
// printFloat( pw5, 44, 0f );
// printFloat( pw5, 45, 1f ); // pattern line offset
// printFloat( pw5, 46, 1f );
// printInt( pw5, 79, 0 ); // nr. dash length items
// // printFloat( pw5, 49, 3f ); // dash length (repeated nr. times)
// printFloat( pw5, 47, 1f ); // pixel size
// printInt( pw5, 98, 2 ); // nr. seed points
// printXYZ( pw5, 0f, 0f, 0f );
// printXYZ( pw5, 0f, 0f, 0f );
// printInt( pw5, 451, 0 );
// printFloat( pw5, 460, 0f );
// printFloat( pw5, 461, 0f );
// printInt( pw5, 452, 1 );
// printFloat( pw5, 462, 1f );
// printInt( pw5, 453, 2 );
// printFloat( pw5, 463, 0f );
// printFloat( pw5, 463, 1f );
// printString( pw5, 470, "LINEAR" );
} else if (path.mType == DrawingPath.DRAWING_PATH_POINT) {
// FIXME point scale factor is 0.3
DrawingPointPath point = (DrawingPointPath) path;
String block =
"P_"
+ DrawingBrushPaths.mPointLib
.getSymbolThName(point.mPointType)
.replace(':', '-');
// int idx = 1 + point.mPointType;
printString(pw5, 0, "INSERT");
++handle;
printAcDb(pw5, handle, "AcDbBlockReference");
printString(pw5, 8, "POINT");
printString(pw5, 2, block);
printFloat(pw5, 41, POINT_SCALE);
printFloat(pw5, 42, POINT_SCALE);
printFloat(pw5, 50, 360 - (float) (point.mOrientation));
printXYZ(pw5, point.cx * scale, -point.cy * scale, 0.0f);
}
out.write(sw5.getBuffer().toString());
out.flush();
}
}
writeEndSection(out);
writeString(out, 0, "EOF");
out.flush();
} catch (IOException e) {
// FIXME
TDLog.Error("DXF io-exception " + e.toString());
}
}
private float calcDistance(MotionEvent event) {
float x = event.getX(0) - event.getX(1);
float y = event.getY(0) - event.getY(1);
return FloatMath.sqrt(x * x + y * y);
}
/**
* Calculates the distance between two points.
*
* @param x1 the x-coordinate of the origin
* @param y1 the y-coordinate of the origin
* @param x2 the x-coordinate of the extent
* @param y2 the y-coordinate of the extent
* @return the distance between (x1, y1) and (x2, y2)
*/
public static float distanceBetween(float x1, float y1, float x2, float y2) {
float dx = x2 - x1;
float dy = y2 - y1;
return FloatMath.sqrt(dx * dx + dy * dy);
}
