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SPen과 함께 색상 선택기 변경 요청을 사용하려고했지만 제공 한 것을 사용하고 싶지 않았습니다. 내 자신을 사용하고 싶었습니다. 여기 SPen 및 SCanvas를 사용하는 동안 Android에서 ColorPickerDialog를 사용 하시겠습니까?
public class numberTrace extends Activity implements OnInitListener, ColorPickerDialog.OnColorChangedListener {
private Paint mPaint;
Context mContext = null;
private RelativeLayout mCanvasContainer;
private SCanvasView mSCanvas;
private ImageView mEraserBtn;
private ImageView mNextBtn;
private ImageView mPenBtn;
public int currentNumber;
int[] myImageList = { R.drawable.numbers0, R.drawable.numbers1,
R.drawable.numbers2, R.drawable.numbers3, R.drawable.numbers4,
R.drawable.numbers5, R.drawable.numbers6, R.drawable.numbers7,
R.drawable.numbers8, R.drawable.numbers9 };
int cIndex = 0;
float speechRate = 1/4;
private TextToSpeech tts;
String[] speakNumbers = { "Number zero", "Number one", "Number two", "Number three", "Number four",
"Number five", "Number six", "Number seven", "Number eight", "Number nine" };
@SuppressWarnings("deprecation")
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
WindowManager.LayoutParams.FLAG_FULLSCREEN);
setContentView(R.layout.trace); // This is calling the layout in the
// main.xml file if I change the
// main.xml file name then I would
// Create the SCanvasView
tts = new TextToSpeech(this, this);
mContext = this;
mCanvasContainer = (RelativeLayout) findViewById(R.id.canvas_container);
mSCanvas = new SCanvasView(mContext);
mCanvasContainer.addView(mSCanvas);
mEraserBtn = (ImageView) findViewById(R.id.eraserBtn);
mNextBtn = (ImageView) findViewById(R.id.nextBtn);
mPenBtn = (ImageView) findViewById(R.id.penBtn);
mPaint = new Paint();
// on button click
// setting the background of the canvas
mSCanvas.setBackgroundResource(R.drawable.numbers0);
SCanvasInitializeListener mSCanvasListener = new SCanvasInitializeListener() {
public void onInitialized() {
// --------------------------------------------
// Start SCanvasView/CanvasView Task Here
// --------------------------------------------
// Application Identifier Setting
mSCanvas.setCanvasMode(SCanvasConstants.SCANVAS_MODE_INPUT_PEN);
// Get the direction of contents(Canvas)
if (mSCanvas.getWidth() > mSCanvas.getHeight()) {
} else {
}
}
};
// ------------------------------------------------
// History Change
// ------------------------------------------------
HistoryUpdateListener mHistoryListener = new HistoryUpdateListener() {
public void onHistoryChanged(boolean undoable, boolean redoable) {
mNextBtn.setEnabled(undoable);
}
};
// ------------------------------------------------
// OnSettingStrokeChangeListener Listener
// ------------------------------------------------
SettingStrokeChangeListener mSettingStrokeChangeListener = new SettingStrokeChangeListener() {
public void onClearAll(boolean bClearAllCompleted) {
// If don't set eraser mode, then change to pen mode
// automatically.
if (bClearAllCompleted)
mSCanvas.setCanvasMode(SCanvasConstants.SCANVAS_MODE_INPUT_ERASER);
}
public void onEraserWidthChanged(int eraserWidth) {
}
public void onStrokeColorChanged(int strokeColor) {
}
public void onStrokeStyleChanged(int strokeStyle) {
}
public void onStrokeWidthChanged(int strokeWidth) {
}
public void onStrokeAlphaChanged(int strokeAlpha) {
}
};
mSCanvas.setSCanvasInitializeListener(mSCanvasListener);
mSCanvas.setSettingStrokeChangeListener(mSettingStrokeChangeListener);
mSCanvas.setColorPickerColorChangeListener(new ColorPickerColorChangeListener(){
@Override
public void onColorPickerColorChanged(int nColor) {
mPaint = new Paint();
int nCurMode = mSCanvas.getCanvasMode();
if(nCurMode==SCanvasConstants.SCANVAS_MODE_INPUT_PEN) {
SettingStrokeInfo strokeInfo = mSCanvas.getSettingViewStrokeInfo();
if(strokeInfo != null) {
strokeInfo.setStrokeColor(mPaint.getColor());
mSCanvas.setSettingViewStrokeInfo(strokeInfo);
}
}
}
});
mNextBtn.setOnClickListener(new OnClickListener() {
int i = 1;
@SuppressWarnings("deprecation")
public void onClick(View v) {
// TODO Auto-generated method stub
mSCanvas.clear();
mSCanvas.setBackgroundResource(myImageList[i]);// calling the
// array to mvoe
// to the next
// image
String speakNow = speakNumbers[cIndex];
tts.setSpeechRate(speechRate);
tts.speak(speakNow, TextToSpeech.QUEUE_FLUSH, null);
cIndex++;
cIndex %= speakNumbers.length;
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
e.printStackTrace();
}
i++;
if (i >= myImageList.length) {
i = 0;
// erasing the drawings on the array
}
mNextBtn.setEnabled(mSCanvas.isUndoable());
}
});
mEraserBtn.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
// TODO Auto-generated method stub
int nBtnID = mEraserBtn.getId();
// If the mode is not changed, open the setting view. If the
// mode is same, close the setting view.
if (nBtnID == mEraserBtn.getId()) {
if (mSCanvas.getCanvasMode() == SCanvasConstants.SCANVAS_MODE_INPUT_ERASER) {
mSCanvas.setCanvasMode(SCanvasConstants.SCANVAS_MODE_INPUT_ERASER);
} else {
mSCanvas.setCanvasMode(SCanvasConstants.SCANVAS_MODE_INPUT_ERASER);
mSCanvas.setCanvasMode(SCanvasConstants.SCANVAS_MODE_INPUT_ERASER);
}
}
}
});
mPenBtn.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
mPaint = new Paint();
new ColorPickerDialog(numberTrace.this, numberTrace.this, mPaint.getColor()).show();
boolean bIsColorPickerMode = !mSCanvas.isColorPickerMode();
mSCanvas.setColorPickerMode(bIsColorPickerMode);
if (mPenBtn.equals(mPenBtn)) {
mSCanvas.setCanvasMode(SCanvasConstants.SCANVAS_MODE_INPUT_PEN);
mSCanvas.getColorPickerColor(mPaint.getColor(), mPaint.getColor());
}
}
});
// Caution:
// Do NOT load file or start animation here because we don't know canvas
// size here.
// Start such SCanvasView/CanvasView Task at onInitialized() of
// SCanvasInitializeListener
mSCanvas.setSCanvasInitializeListener(mSCanvasListener);
mSCanvas.setHistoryUpdateListener(mHistoryListener);
mNextBtn.setEnabled(false);
// Caution:
// Do NOT load file or start animation here because we don't know canvas
// size here.
// Start such SCanvasView/CanvasView Task at onInitialized() of
// SCanvasInitializeListener
mSCanvas.setCanvasMode(SCanvasConstants.SCANVAS_MODE_INPUT_PEN);
mSCanvas.setCanvasMode(SCanvasConstants.SCANVAS_MODE_INPUT_ERASER);
if (mSCanvas.getCanvasMode() == SCanvasConstants.SCANVAS_MODE_INPUT_PEN)
;
{
// Processed when the current mode of the SCanvasView is the Pen
// mode
}
}
public void onInit(int status) {
// TODO Auto-generated method stub
tts.setLanguage(Locale.US);
}
public void onDestroy() {
super.onDestroy();
tts.shutdown();
}
@Override
public void colorChanged(int color) {
// TODO Auto-generated method stub
SettingStrokeInfo strokeInfo = mSCanvas.getSettingViewStrokeInfo();
if(strokeInfo != null) {
strokeInfo.setStrokeColor(mPaint.getColor());
}
}
의 입력을 변경 나던 ColorPicker의 클래스
public class ColorPickerDialog extends Dialog {
public interface OnColorChangedListener {
void colorChanged(int color);
}
private OnColorChangedListener mListener;
private int mInitialColor;
private static class ColorPickerView extends View {
private Paint mPaint;
private Paint mCenterPaint;
private final int[] mColors;
private OnColorChangedListener mListener;
ColorPickerView(Context c, OnColorChangedListener l, int color) {
super(c);
mListener = l;
mColors = new int[] {
0xFFFF0000, 0xFFFF00FF, 0xFF0000FF, 0xFF00FFFF, 0xFF00FF00,
0xFFFFFF00, 0xFFFF0000
};
Shader s = new SweepGradient(0, 0, mColors, null);
mPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
mPaint.setShader(s);
mPaint.setStyle(Paint.Style.STROKE);
mPaint.setStrokeWidth(32);
mCenterPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
mCenterPaint.setColor(color);
mCenterPaint.setStrokeWidth(5);
}
private boolean mTrackingCenter;
private boolean mHighlightCenter;
@Override
protected void onDraw(Canvas canvas) {
float r = CENTER_X - mPaint.getStrokeWidth()*0.5f;
canvas.translate(CENTER_X, CENTER_X);
canvas.drawOval(new RectF(-r, -r, r, r), mPaint);
canvas.drawCircle(0, 0, CENTER_RADIUS, mCenterPaint);
if (mTrackingCenter) {
int c = mCenterPaint.getColor();
mCenterPaint.setStyle(Paint.Style.STROKE);
if (mHighlightCenter) {
mCenterPaint.setAlpha(0xFF);
} else {
mCenterPaint.setAlpha(0x80);
}
canvas.drawCircle(0, 0,
CENTER_RADIUS + mCenterPaint.getStrokeWidth(),
mCenterPaint);
mCenterPaint.setStyle(Paint.Style.FILL);
mCenterPaint.setColor(c);
}
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
setMeasuredDimension(CENTER_X*2, CENTER_Y*2);
}
private static final int CENTER_X = 100;
private static final int CENTER_Y = 100;
private static final int CENTER_RADIUS = 32;
private int floatToByte(float x) {
int n = java.lang.Math.round(x);
return n;
}
private int pinToByte(int n) {
if (n < 0) {
n = 0;
} else if (n > 255) {
n = 255;
}
return n;
}
private int ave(int s, int d, float p) {
return s + java.lang.Math.round(p * (d - s));
}
private int interpColor(int colors[], float unit) {
if (unit <= 0) {
return colors[0];
}
if (unit >= 1) {
return colors[colors.length - 1];
}
float p = unit * (colors.length - 1);
int i = (int)p;
p -= i;
// now p is just the fractional part [0...1) and i is the index
int c0 = colors[i];
int c1 = colors[i+1];
int a = ave(Color.alpha(c0), Color.alpha(c1), p);
int r = ave(Color.red(c0), Color.red(c1), p);
int g = ave(Color.green(c0), Color.green(c1), p);
int b = ave(Color.blue(c0), Color.blue(c1), p);
return Color.argb(a, r, g, b);
}
private int rotateColor(int color, float rad) {
float deg = rad * 180/3.1415927f;
int r = Color.red(color);
int g = Color.green(color);
int b = Color.blue(color);
ColorMatrix cm = new ColorMatrix();
ColorMatrix tmp = new ColorMatrix();
cm.setRGB2YUV();
tmp.setRotate(0, deg);
cm.postConcat(tmp);
tmp.setYUV2RGB();
cm.postConcat(tmp);
final float[] a = cm.getArray();
int ir = floatToByte(a[0] * r + a[1] * g + a[2] * b);
int ig = floatToByte(a[5] * r + a[6] * g + a[7] * b);
int ib = floatToByte(a[10] * r + a[11] * g + a[12] * b);
return Color.argb(Color.alpha(color), pinToByte(ir),
pinToByte(ig), pinToByte(ib));
}
private static final float PI = 3.1415926f;
@Override
public boolean onTouchEvent(MotionEvent event) {
float x = event.getX() - CENTER_X;
float y = event.getY() - CENTER_Y;
boolean inCenter = java.lang.Math.sqrt(x*x + y*y) <= CENTER_RADIUS;
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
mTrackingCenter = inCenter;
if (inCenter) {
mHighlightCenter = true;
invalidate();
break;
}
case MotionEvent.ACTION_MOVE:
if (mTrackingCenter) {
if (mHighlightCenter != inCenter) {
mHighlightCenter = inCenter;
invalidate();
}
} else {
float angle = (float)java.lang.Math.atan2(y, x);
// need to turn angle [-PI ... PI] into unit [0....1]
float unit = angle/(2*PI);
if (unit < 0) {
unit += 1;
}
mCenterPaint.setColor(interpColor(mColors, unit));
invalidate();
}
break;
case MotionEvent.ACTION_UP:
if (mTrackingCenter) {
if (inCenter) {
mListener.colorChanged(mCenterPaint.getColor());
}
mTrackingCenter = false; // so we draw w/o halo
invalidate();
}
break;
}
return true;
}
}
public ColorPickerDialog(Context context,
OnColorChangedListener listener,
int initialColor) {
super(context);
mListener = listener;
mInitialColor = initialColor;
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
OnColorChangedListener l = new OnColorChangedListener() {
public void colorChanged(int color) {
mListener.colorChanged(color);
dismiss();
}
};
setContentView(new ColorPickerView(getContext(), l, mInitialColor));
setTitle("Pick a Color");
}
}
Spen이 ColoPickerDialog 클래스에서 선택한 색상으로 쓸 수 있도록 변경해야하는 내용과 위치는 무엇입니까?
다시 모든 것이 올바르게 작동하고, 색상을 선택한 직후에 색상 쓰기가 검은 색으로 유지됩니다.