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Copyright (c) 2013-2014, Carlos Rafael Gimenes das Neves All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the followin...
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// // FPlayAndroid is distributed under the FreeBSD License ///*from w ww . j a va 2 s.co m*/ // Copyright (c) 2013-2014, Carlos Rafael Gimenes das Neves // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are met: // // 1. Redistributions of source code must retain the above copyright notice, this // list of conditions and the following disclaimer. // 2. Redistributions in binary form must reproduce the above copyright notice, // this list of conditions and the following disclaimer in the documentation // and/or other materials provided with the distribution. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND // ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR // ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES // (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; // LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND // ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // // The views and conclusions contained in the software and documentation are those // of the authors and should not be interpreted as representing official policies, // either expressed or implied, of the FreeBSD Project. // // https://github.com/carlosrafaelgn/FPlayAndroid // package br.com.carlosrafaelgn.fplay.ui; import android.annotation.TargetApi; import android.app.AlertDialog; import android.content.Context; import android.content.DialogInterface; import android.graphics.Bitmap; import android.graphics.Canvas; import android.graphics.Rect; import android.graphics.drawable.Drawable; import android.os.Build; import android.text.Editable; import android.text.InputType; import android.text.TextWatcher; import android.util.AttributeSet; import android.util.TypedValue; import android.view.Gravity; import android.view.View; import android.view.ViewDebug.ExportedProperty; import android.widget.EditText; import android.widget.LinearLayout; import android.widget.RelativeLayout; import android.widget.TextView; import java.nio.IntBuffer; import br.com.carlosrafaelgn.fplay.R; import br.com.carlosrafaelgn.fplay.ui.drawable.ColorDrawable; import br.com.carlosrafaelgn.fplay.ui.drawable.TextIconDrawable; import br.com.carlosrafaelgn.fplay.util.ColorUtils; import br.com.carlosrafaelgn.fplay.util.ColorUtils.HSV; public final class ColorPickerView extends RelativeLayout implements View.OnClickListener, BgSeekBar.OnBgSeekBarChangeListener, BgSeekBar.OnBgSeekBarDrawListener, TextWatcher, DialogInterface.OnDismissListener, DialogInterface.OnClickListener { public static interface OnColorPickerViewListener { public void onColorPicked(ColorPickerView picker, View parentView, int color); } private BgSeekBar barH, barS, barV; private EditText txt, txtH, txtS, txtV; private TextView lblCurrent; private HSV hsv, hsvTmp; private int initialColor, currentColor, sliderColor; private boolean ignoreChanges; private Bitmap bmpH, bmpS, bmpV; private Rect bmpRect; private IntBuffer bmpBuf; private ColorDrawable bgCurrent; private View parentView; private OnColorPickerViewListener listener; public static void showDialog(Context context, int initialColor, View parentView, OnColorPickerViewListener listener) { final ColorPickerView picker = new ColorPickerView(context, initialColor); picker.parentView = parentView; picker.listener = listener; final AlertDialog dlg = (new AlertDialog.Builder(context)) .setView(picker) .setPositiveButton(R.string.ok, picker) .setNegativeButton(R.string.cancel, null) .create(); dlg.setOnDismissListener(picker); UI.prepareDialogAndShow(dlg); } private ColorPickerView(Context context, int initialColor) { super(context); init(context, initialColor); } public ColorPickerView(Context context) { super(context); init(context, 0); } public ColorPickerView(Context context, AttributeSet attrs) { super(context, attrs); init(context, 0); } public ColorPickerView(Context context, AttributeSet attrs, int defStyle) { super(context, attrs, defStyle); init(context, 0); } @SuppressWarnings("deprecation") private void init(Context context, int initialColor) { setPadding(UI._DLGdppad, UI._DLGdppad, UI._DLGdppad, UI._DLGdppad); final int eachW = (UI._18sp * 7) >> 1; final boolean smallScreen = (UI.isLowDpiScreen && !UI.isLargeScreen); initialColor = 0xff000000 | (initialColor & 0x00ffffff); hsv = new HSV(); hsv.fromRGB(initialColor); hsvTmp = new HSV(); bmpRect = new Rect(0, 0, 1, 1); this.initialColor = initialColor; currentColor = initialColor; sliderColor = (UI.isAndroidThemeLight() ? 0xff000000 : 0xffffffff); final LinearLayout l = new LinearLayout(context); l.setId(1); l.setWeightSum(2); LayoutParams p = new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT); p.addRule(RelativeLayout.ALIGN_PARENT_LEFT, RelativeLayout.TRUE); p.addRule(RelativeLayout.ALIGN_PARENT_RIGHT, RelativeLayout.TRUE); p.addRule(RelativeLayout.ALIGN_PARENT_TOP, RelativeLayout.TRUE); addView(l, p); final TextView lbl = new TextView(context); lbl.setBackgroundDrawable(new ColorDrawable(initialColor)); LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(LayoutParams.WRAP_CONTENT, smallScreen ? (UI.defaultControlSize) >> 1 : UI.defaultControlSize); lp.weight = 1; lp.rightMargin = UI._4dp; l.addView(lbl, lp); bgCurrent = new ColorDrawable(initialColor); lblCurrent = new TextView(context); lblCurrent.setBackgroundDrawable(bgCurrent); lp = new LinearLayout.LayoutParams(LayoutParams.WRAP_CONTENT, smallScreen ? (UI.defaultControlSize) >> 1 : UI.defaultControlSize); lp.weight = 1; lp.leftMargin = UI._4dp; l.addView(lblCurrent, lp); final int textSize = (smallScreen ? UI._14sp : UI._18sp); final int margin = (smallScreen ? UI._4dp : UI._8dp); TextView lblTit = new TextView(context); lblTit.setId(2); lblTit.setTextSize(TypedValue.COMPLEX_UNIT_PX, textSize); lblTit.setSingleLine(); lblTit.setGravity(Gravity.CENTER); lblTit.setText("H"); p = new LayoutParams(eachW, LayoutParams.WRAP_CONTENT); p.topMargin = margin; p.addRule(RelativeLayout.ALIGN_PARENT_LEFT, RelativeLayout.TRUE); p.addRule(RelativeLayout.BELOW, 1); addView(lblTit, p); lblTit = new TextView(context); lblTit.setId(3); lblTit.setTextSize(TypedValue.COMPLEX_UNIT_PX, textSize); lblTit.setSingleLine(); lblTit.setGravity(Gravity.CENTER); lblTit.setText("S"); p = new LayoutParams(eachW, LayoutParams.WRAP_CONTENT); p.topMargin = margin; p.addRule(RelativeLayout.CENTER_HORIZONTAL, RelativeLayout.TRUE); p.addRule(RelativeLayout.BELOW, 1); addView(lblTit, p); lblTit = new TextView(context); lblTit.setId(4); lblTit.setTextSize(TypedValue.COMPLEX_UNIT_PX, textSize); lblTit.setSingleLine(); lblTit.setGravity(Gravity.CENTER); lblTit.setText("V"); p = new LayoutParams(eachW, LayoutParams.WRAP_CONTENT); p.topMargin = margin; p.addRule(RelativeLayout.ALIGN_PARENT_RIGHT, RelativeLayout.TRUE); p.addRule(RelativeLayout.BELOW, 1); addView(lblTit, p); barH = new BgSeekBar(context); barH.setId(5); barH.setMax(360); barH.setValue((int)(hsv.h * 360.0)); barH.setSliderMode(true); barH.setVertical(true); p = new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT); p.topMargin = margin; p.leftMargin = ((eachW - UI.defaultControlSize) >> 1); p.addRule(RelativeLayout.ALIGN_LEFT, 2); p.addRule(RelativeLayout.BELOW, 2); p.addRule(RelativeLayout.ABOVE, 6); addView(barH, p); barS = new BgSeekBar(context); barS.setMax(100); barS.setValue((int)(hsv.s * 100.0)); barS.setSliderMode(true); barS.setVertical(true); p = new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT); p.topMargin = margin; p.leftMargin = ((eachW - UI.defaultControlSize) >> 1); p.addRule(RelativeLayout.ALIGN_LEFT, 3); p.addRule(RelativeLayout.BELOW, 3); p.addRule(RelativeLayout.ABOVE, 6); addView(barS, p); barV = new BgSeekBar(context); barV.setMax(100); barV.setValue((int)(hsv.v * 100.0)); barV.setSliderMode(true); barV.setVertical(true); p = new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT); p.topMargin = margin; p.leftMargin = ((eachW - UI.defaultControlSize) >> 1); p.addRule(RelativeLayout.ALIGN_LEFT, 4); p.addRule(RelativeLayout.BELOW, 4); p.addRule(RelativeLayout.ABOVE, 6); addView(barV, p); txtH = new EditText(context); txtH.setId(6); txtH.setTextSize(TypedValue.COMPLEX_UNIT_PX, textSize); txtH.setInputType(InputType.TYPE_CLASS_NUMBER | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS); txtH.setSingleLine(); txtH.setGravity(Gravity.CENTER); txtH.setText(Integer.toString((int)(hsv.h * 360.0))); p = new LayoutParams(eachW, LayoutParams.WRAP_CONTENT); p.topMargin = margin; p.addRule(RelativeLayout.ALIGN_PARENT_LEFT, RelativeLayout.TRUE); p.addRule(RelativeLayout.ABOVE, 7); addView(txtH, p); txtS = new EditText(context); txtS.setTextSize(TypedValue.COMPLEX_UNIT_PX, textSize); txtS.setInputType(InputType.TYPE_CLASS_NUMBER | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS); txtS.setSingleLine(); txtS.setGravity(Gravity.CENTER); txtS.setText(Integer.toString((int)(hsv.s * 100.0))); p = new LayoutParams(eachW, LayoutParams.WRAP_CONTENT); p.topMargin = margin; p.addRule(RelativeLayout.CENTER_HORIZONTAL, RelativeLayout.TRUE); p.addRule(RelativeLayout.ABOVE, 7); addView(txtS, p); txtV = new EditText(context); txtV.setTextSize(TypedValue.COMPLEX_UNIT_PX, textSize); txtV.setInputType(InputType.TYPE_CLASS_NUMBER | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS); txtV.setSingleLine(); txtV.setGravity(Gravity.CENTER); txtV.setText(Integer.toString((int)(hsv.v * 100.0))); p = new LayoutParams(eachW, LayoutParams.WRAP_CONTENT); p.topMargin = margin; p.addRule(RelativeLayout.ALIGN_PARENT_RIGHT, RelativeLayout.TRUE); p.addRule(RelativeLayout.ABOVE, 7); addView(txtV, p); txt = new EditText(context); txt.setId(7); txt.setTextSize(TypedValue.COMPLEX_UNIT_PX, textSize); txt.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS); txt.setSingleLine(); txt.setGravity(Gravity.CENTER); txt.setText(ColorUtils.toHexColor(initialColor)); p = new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT); p.topMargin = margin; p.addRule(RelativeLayout.ALIGN_PARENT_LEFT, RelativeLayout.TRUE); p.addRule(RelativeLayout.ALIGN_PARENT_RIGHT, RelativeLayout.TRUE); p.addRule(RelativeLayout.ALIGN_PARENT_BOTTOM, RelativeLayout.TRUE); addView(txt, p); lbl.setOnClickListener(this); barH.setOnBgSeekBarChangeListener(this); barH.setOnBgSeekBarDrawListener(this); barS.setOnBgSeekBarChangeListener(this); barS.setOnBgSeekBarDrawListener(this); barV.setOnBgSeekBarChangeListener(this); barV.setOnBgSeekBarDrawListener(this); txtH.addTextChangedListener(this); txtS.addTextChangedListener(this); txtV.addTextChangedListener(this); txt.addTextChangedListener(this); } private void cleanup() { barH = null; barS = null; barV = null; txt = null; txtH = null; txtS = null; txtV = null; lblCurrent = null; hsv = null; hsvTmp = null; if (bmpH != null) { bmpH.recycle(); bmpH = null; } if (bmpS != null) { bmpS.recycle(); bmpS = null; } if (bmpV != null) { bmpV.recycle(); bmpV = null; } bmpBuf = null; bgCurrent = null; parentView = null; listener = null; System.gc(); } private static Bitmap updateBitmap(Bitmap bmp, int width) { if (bmp == null) { return Bitmap.createBitmap(width, 1, Bitmap.Config.ARGB_8888); } else if (bmp.getWidth() != width) { bmp.recycle(); return Bitmap.createBitmap(width, 1, Bitmap.Config.ARGB_8888); } return bmp; } private static IntBuffer updateBuffer(IntBuffer buffer, int width) { buffer = ((buffer == null || buffer.capacity() < width) ? IntBuffer.allocate(width) : buffer); buffer.clear(); buffer.limit(width); return buffer; } private void updateGH() { final int h = barH.getHeight(); bmpH = updateBitmap(bmpH, h); bmpBuf = updateBuffer(bmpBuf, h); hsvTmp.s = hsv.s; hsvTmp.v = hsv.v; final double d = (double)(h - 1); for (int i = 0; i < h; i++) { hsvTmp.h = (double)i / d; bmpBuf.put(i, hsvTmp.toRGB(true)); } bmpH.copyPixelsFromBuffer(bmpBuf); } private void updateGS() { final int h = barS.getHeight(); bmpS = updateBitmap(bmpS, h); bmpBuf = updateBuffer(bmpBuf, h); hsvTmp.h = hsv.h; hsvTmp.v = hsv.v; final double d = (double)(h - 1); for (int i = 0; i < h; i++) { hsvTmp.s = (double)i / d; bmpBuf.put(i, hsvTmp.toRGB(true)); } bmpS.copyPixelsFromBuffer(bmpBuf); } private void updateGV() { final int h = barV.getHeight(); bmpV = updateBitmap(bmpV, h); bmpBuf = updateBuffer(bmpBuf, h); hsvTmp.h = hsv.h; hsvTmp.s = hsv.s; final double d = (double)(h - 1); for (int i = 0; i < h; i++) { hsvTmp.v = (double)i / d; bmpBuf.put(i, hsvTmp.toRGB(true)); } bmpV.copyPixelsFromBuffer(bmpBuf); } @TargetApi(Build.VERSION_CODES.JELLY_BEAN) @Override public void setBackground(Drawable background) { super.setBackground(null); } @Override @Deprecated public void setBackgroundDrawable(Drawable background) { super.setBackgroundDrawable(null); } @Override public void setBackgroundResource(int resid) { super.setBackgroundResource(0); } @Override public void setBackgroundColor(int color) { super.setBackgroundResource(0); } @Override public Drawable getBackground() { return null; } @Override public void invalidateDrawable(Drawable drawable) { } @Override protected boolean verifyDrawable(Drawable drawable) { return false; } @Override @ExportedProperty(category = "drawing") public boolean isOpaque() { return false; } @Override protected void onDetachedFromWindow() { super.onDetachedFromWindow(); cleanup(); } @Override public void onClick(View view) { if (txt.requestFocus()) txt.setText(ColorUtils.toHexColor(initialColor)); } @Override public void onValueChanged(BgSeekBar seekBar, int value, boolean fromUser, boolean usingKeys) { if (ignoreChanges) return; hsv.h = barH.getValue() / 360.0; hsv.s = barS.getValue() / 100.0; hsv.v = barV.getValue() / 100.0; currentColor = hsv.toRGB(false); if (seekBar == barH) { updateGS(); updateGV(); } else if (seekBar == barS) { updateGH(); updateGV(); } else if (seekBar == barV) { updateGH(); updateGS(); } ignoreChanges = true; txtH.setText(Integer.toString((int)(hsv.h * 360.0))); txtS.setText(Integer.toString((int)(hsv.s * 100.0))); txtV.setText(Integer.toString((int)(hsv.v * 100.0))); txt.setText(ColorUtils.toHexColor(currentColor)); ignoreChanges = false; barH.invalidate(); barS.invalidate(); barV.invalidate(); bgCurrent.setColor(currentColor); lblCurrent.invalidate(); } @Override public boolean onStartTrackingTouch(BgSeekBar seekBar) { return true; } @Override public void onStopTrackingTouch(BgSeekBar seekBar, boolean cancelled) { System.gc(); } @Override public void onSizeChanged(BgSeekBar seekBar, int width, int height) { bmpRect.right = height; if (seekBar == barH) updateGH(); else if (seekBar == barS) updateGS(); else if (seekBar == barV) updateGV(); } @Override public void onDraw(Canvas canvas, BgSeekBar seekBar, Rect rect, int filledSize) { final Bitmap bmp = ((seekBar == barH) ? bmpH : ((seekBar == barS) ? bmpS : bmpV)); rect.bottom -= UI._8dp; if (bmp != null) { for (int i = rect.bottom - 1; i >= UI._8dp; i--) canvas.drawBitmap(bmp, 0, i, null); } TextIconDrawable.drawIcon(canvas, UI.ICON_SLIDERTOP, filledSize + UI.strokeSize - UI._8dp, 0, UI._16dp, sliderColor); TextIconDrawable.drawIcon(canvas, UI.ICON_SLIDERBOTTOM, filledSize + UI.strokeSize - UI._8dp, rect.bottom, UI._16dp, sliderColor); } @Override public void afterTextChanged(Editable s) { if (ignoreChanges) return; final View f = getFocusedChild(); if (f == txtH || f == txtS || f == txtV) { int nh, ns, nv; try { nh = Integer.parseInt(txtH.getText().toString()); if (nh > 360 || nh < 0) return; ns = Integer.parseInt(txtS.getText().toString()); if (ns > 100 || ns < 0) return; nv = Integer.parseInt(txtV.getText().toString()); if (nv > 100 || nv < 0) return; hsv.h = (double)nh / 360.0; hsv.s = (double)ns / 100.0; hsv.v = (double)nv / 100.0; } catch (Throwable ex) { return; } ignoreChanges = true; currentColor = hsv.toRGB(false); barH.setValue(nh); barS.setValue(ns); barV.setValue(nv); txt.setText(ColorUtils.toHexColor(currentColor)); ignoreChanges = false; } else { String cs = s.toString().trim(); if (cs.length() < 6) return; if (cs.charAt(0) == '#') cs = cs.substring(1).trim(); if (cs.length() != 6) return; int c = ColorUtils.parseHexColor(cs); if (c == 0) return; currentColor = c; hsv.fromRGB(c); ignoreChanges = true; c = (int)(hsv.h * 360.0); barH.setValue(c); txtH.setText(Integer.toString(c)); c = (int)(hsv.s * 100.0); barS.setValue(c); txtS.setText(Integer.toString(c)); c = (int)(hsv.v * 100.0); barV.setValue(c); txtV.setText(Integer.toString(c)); ignoreChanges = false; } updateGH(); updateGS(); updateGV(); barH.invalidate(); barS.invalidate(); barV.invalidate(); bgCurrent.setColor(currentColor); lblCurrent.invalidate(); } @Override public void beforeTextChanged(CharSequence s, int start, int count, int after) { } @Override public void onTextChanged(CharSequence s, int start, int before, int count) { } @Override public void onDismiss(DialogInterface dialog) { cleanup(); } @Override public void onClick(DialogInterface dialog, int which) { if (which == AlertDialog.BUTTON_POSITIVE && listener != null) listener.onColorPicked(this, parentView, currentColor); cleanup(); } }