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/* * Copyright (C) 2009 IT Wizard./*from www .j a va2 s .c om*/ * http://www.itwizard.ro * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.itwizard.mezzofanti; import com.bcc.R; import android.content.Context; import android.content.res.Resources; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.graphics.Canvas; import android.graphics.Color; import android.graphics.Paint; import android.graphics.Rect; import android.util.AttributeSet; import android.util.Log; import android.view.View; /** * This view is overlaid on top of the camera preview. */ public final class CaptureLayout extends View { private static final String TAG = "MLOG: CaptureLayout.java: "; private final int MAX_CHARS_PER_LINE = 50; private final int MAX_LINES_TO_DISPLAY = 5; private final Paint m_pFocus = new Paint(); private final Rect m_Box; private final int m_nMaskColor; private final int m_nFrameColor; private Context m_oContext; private final Paint m_Paint = new Paint(); private boolean m_bDisplayFocusImage = false; private boolean m_bOrientationFocusImage = false; // horizontal= false vertical=true private boolean m_bFocused = false; private boolean m_bDrawFocused = false; private boolean m_bLineMode = false; private String m_sWaitingText = ""; private String m_sUpperText =""; /** * This constructor is used when the class is built from an XML resource. * @param context * @param attrs */ public CaptureLayout(Context context, AttributeSet attrs) { super(context, attrs); m_oContext = context; m_Box = new Rect(); Resources resources = getResources(); m_nMaskColor = resources.getColor(R.color.capturelayout_mask); m_nFrameColor = resources.getColor(R.color.capturelayout_frame); } /** * Enable the drawing of 2 arrow icons for focus * @param bEnable enable/disable * @param orientation horizontal/vertical */ public void DrawFocusIcon(boolean bEnable, boolean orientation) { m_bDisplayFocusImage = bEnable; m_bOrientationFocusImage = orientation; invalidate(); } /** * Enable the drawing of green/red circle for focus ok/bad * @param bEnable enable/disable * @param focused focused/not focused */ public void DrawFocused(boolean bEnable, boolean focused) { m_bDrawFocused = bEnable; m_bFocused = focused; invalidate(); } /** * Switch in between modes * @param mode true=line false=all */ public void SetLineMode(boolean mode) { m_bLineMode = mode; invalidate(); } /** * Set result text for the LineMode * @param text = the result */ public void SetText(String text) { m_sUpperText = text; invalidate(); } /** * Show the waiting (text/icon) * @param val */ public void ShowWaiting(String wait_text) { m_sWaitingText = wait_text; invalidate(); } @Override public void onDraw(Canvas canvas) { try { Rect frame = CameraManager.get().GetFramingRect(m_bLineMode); int width = canvas.getWidth(); int height = canvas.getHeight(); // Draw the exterior (i.e. outside the framing rect) darkened m_Paint.setColor(m_nMaskColor); m_Box.set(0, 0, width, frame.top); canvas.drawRect(m_Box, m_Paint); m_Box.set(0, frame.top, frame.left, frame.bottom + 1); canvas.drawRect(m_Box, m_Paint); m_Box.set(frame.right + 1, frame.top, width, frame.bottom + 1); canvas.drawRect(m_Box, m_Paint); m_Box.set(0, frame.bottom + 1, width, height); canvas.drawRect(m_Box, m_Paint); // Draw black frame m_Paint.setColor(m_nFrameColor); m_Box.set(frame.left, frame.top, frame.right + 1, frame.top + 2); canvas.drawRect(m_Box, m_Paint); m_Box.set(frame.left, frame.top + 2, frame.left + 2, frame.bottom - 1); canvas.drawRect(m_Box, m_Paint); m_Box.set(frame.right - 1, frame.top, frame.right + 1, frame.bottom - 1); canvas.drawRect(m_Box, m_Paint); m_Box.set(frame.left, frame.bottom - 1, frame.right + 1, frame.bottom + 1); canvas.drawRect(m_Box, m_Paint); if (!m_bLineMode) { if (m_bDisplayFocusImage) { Bitmap bm; if (m_bOrientationFocusImage) { // Horizontal bm = BitmapFactory.decodeResource(m_oContext.getResources(), R.drawable.landscape); canvas.drawBitmap(bm, 20, 20, null); } else { // Vertical bm = BitmapFactory.decodeResource(m_oContext.getResources(), R.drawable.portrait); canvas.drawBitmap(bm, 20, height - 80, null); } } } if (m_bDrawFocused) { if (m_bFocused) m_pFocus.setColor(Color.GREEN); else m_pFocus.setColor(Color.RED); Paint pblack = new Paint(); pblack.setColor(Color.BLACK); canvas.drawCircle((width - 25), (height - 55) , 11, pblack); canvas.drawCircle((width - 25), (height - 55) , 10, m_pFocus); } // Display Upper text if (m_bLineMode) { int i = 0; int start = m_sUpperText.length() - MAX_CHARS_PER_LINE * MAX_LINES_TO_DISPLAY; m_sUpperText = m_sUpperText.substring((start<0 ? 0 : start), m_sUpperText.length()); Paint p = new Paint(); p.setColor(Color.LTGRAY); p.setTextSize(p.getTextSize() + 5); byte[] buff = new byte[m_sUpperText.length()]; buff = m_sUpperText.getBytes("UTF-8"); for(; i < m_sUpperText.length() / MAX_CHARS_PER_LINE; i++) { String s = new String(buff, i*MAX_CHARS_PER_LINE, MAX_CHARS_PER_LINE); canvas.drawText(s, 20, 20 + i * 20, p); } if ((m_sUpperText.length() % MAX_CHARS_PER_LINE) != 0) { String s = new String(buff, i*MAX_CHARS_PER_LINE, (m_sUpperText.length() % MAX_CHARS_PER_LINE)); canvas.drawText(s, 20, 20 + i * 20, p); } // display waiting text/icon if (m_sWaitingText.length() > 0) { p = new Paint(); p.setColor(Color.LTGRAY); p.setStyle(Paint.Style.FILL_AND_STROKE); canvas.drawText(m_sWaitingText, frame.left, frame.bottom + 20, p); } } } catch (Exception ex) { Log.v(TAG, ex.toString()); } } }