Example usage for android.webkit WebView capturePicture

Introduction

In this page you can find the example usage for android.webkit WebView capturePicture.

Prototype

@Deprecated
public Picture capturePicture() 

Source Link

Document

Gets a new picture that captures the current contents of this WebView.

Usage

From source file:Main.java

public static Bitmap captureWebView(WebView webView) {
    Picture snapShot = webView.capturePicture();
    Bitmap bmp = Bitmap.createBitmap(snapShot.getWidth(), snapShot.getHeight(), Config.ARGB_8888);
    Canvas canvas = new Canvas(bmp);
    snapShot.draw(canvas);/*from  ww  w  .ja  v  a2 s  .  c  o  m*/
    return bmp;
}

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From source file:Main.java

public static Bitmap getWebViewShotshatByPicture(WebView webView) {
    Picture picture = webView.capturePicture();
    int width = picture.getWidth();
    int height = picture.getHeight();
    Bitmap bw = null;//from   w  w w  .  ja v a  2  s  .  c  o m
    if (width > 0 && height > 0) {
        bw = Bitmap.createBitmap(width, height, Bitmap.Config.RGB_565);
        Canvas canvas = new Canvas(bw);
        //picture.draw(canvas);
        canvas.drawPicture(picture);
    }
    return bw;
}

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From source file:Main.java

public static Bitmap getWebViewShopshat(WebView webView) {
    webView.setDrawingCacheEnabled(true);
    webView.buildDrawingCache();/*from   www.j  av  a2  s .c o m*/
    Picture snapShot = webView.capturePicture();
    Bitmap bitmap = Bitmap.createBitmap(snapShot.getWidth(), snapShot.getHeight(), Bitmap.Config.ARGB_8888);
    //bitmap.eraseColor(Color.WHITE);

    Canvas c = new Canvas(bitmap);
    int state = c.save();
    webView.draw(c);
    //c.restoreToCount(state);
    c.restore();
    webView.destroyDrawingCache();

    return bitmap;
}

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From source file:nirwan.cordova.plugin.printer.Printer.java

private Bitmap takeScreenshot(WebView page) {
    Picture picture = page.capturePicture();
    Bitmap bitmap = Bitmap.createBitmap(picture.getWidth(), picture.getHeight(), Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(bitmap);

    picture.draw(canvas);/*from  ww  w  .  j a  va  2  s .  c o  m*/

    return bitmap;
}

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From source file:com.pablog178.pdfcreator.android.PdfcreatorModule.java

private void generateImageFunction(HashMap args) {
    if (args.containsKey("fileName")) {
        Object fileName = args.get("fileName");
        if (fileName instanceof String) {
            this.fileName = (String) fileName;
            Log.i(PROXY_NAME, "fileName: " + this.fileName);
        }//from   ww w  . j  a  va 2 s. c  o  m
    } else
        return;

    if (args.containsKey("view")) {
        Object viewObject = args.get("view");
        if (viewObject instanceof TiViewProxy) {
            TiViewProxy viewProxy = (TiViewProxy) viewObject;
            this.view = viewProxy.getOrCreateView();
            if (this.view == null) {
                Log.e(PROXY_NAME, "NO VIEW was created!!");
                return;
            }
            Log.i(PROXY_NAME, "view: " + this.view.toString());
        }
    } else
        return;

    TiBaseFile file = TiFileFactory.createTitaniumFile(this.fileName, true);
    Log.i(PROXY_NAME, "file full path: " + file.nativePath());
    try {
        final int PDF_WIDTH = 612;
        final int PDF_HEIGHT = 792;
        Resources appResources = app.getResources();
        OutputStream outputStream = file.getOutputStream();
        int viewWidth = 1600;
        int viewHeight = 1;

        WebView view = (WebView) this.view.getNativeView();

        if (TiApplication.isUIThread()) {

            viewWidth = view.capturePicture().getWidth();
            viewHeight = view.capturePicture().getHeight();

            if (viewWidth <= 0) {
                viewWidth = 1300;
            }

            if (viewHeight <= 0) {
                viewHeight = 2300;
            }

        } else {
            Log.e(PROXY_NAME, "NO UI THREAD");
        }

        Log.i(PROXY_NAME, "viewWidth: " + viewWidth);
        Log.i(PROXY_NAME, "viewHeight: " + viewHeight);

        Bitmap viewBitmap = Bitmap.createBitmap(viewWidth, viewHeight, Bitmap.Config.ARGB_8888);
        float density = appResources.getDisplayMetrics().density;

        Canvas canvas = new Canvas(viewBitmap);
        Matrix matrix = new Matrix();

        Drawable bgDrawable = view.getBackground();
        if (bgDrawable != null) {
            bgDrawable.draw(canvas);
        } else {
            canvas.drawColor(Color.WHITE);
        }
        view.draw(canvas);

        float scaleFactorWidth = 1 / ((float) viewWidth / (float) PDF_WIDTH);
        float scaleFactorHeight = 1 / ((float) viewHeight / (float) PDF_HEIGHT);

        Log.i(PROXY_NAME, "scaleFactorWidth: " + scaleFactorWidth);
        Log.i(PROXY_NAME, "scaleFactorHeight: " + scaleFactorHeight);

        matrix.setScale(scaleFactorWidth, scaleFactorWidth);

        Bitmap imageBitmap = Bitmap.createBitmap(PDF_WIDTH, PDF_HEIGHT, Bitmap.Config.ARGB_8888);
        Canvas imageCanvas = new Canvas(imageBitmap);
        imageCanvas.drawBitmap(viewBitmap, matrix, null);
        imageBitmap.compress(Bitmap.CompressFormat.JPEG, 100, outputStream);

        sendCompleteEvent();

    } catch (Exception exception) {
        Log.e(PROXY_NAME, "Error: " + exception.toString());
        sendErrorEvent(exception.toString());
    }
}

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From source file:com.propelics.pdfcreator.PdfcreatorModule.java

private void generateiTextPDFfunction(HashMap args) {
    Log.d(PROXY_NAME, "generateiTextPDFfunction()");

    String filename = "";
    TiUIView webview = null;//w  w w.jav  a 2 s.  c o m
    int quality = 100;

    try {
        if (args.containsKey("filename")) {
            filename = (String) args.get("filename");
            Log.d(PROXY_NAME, "filename: " + filename);
        } else
            return;

        if (args.containsKey("webview")) {
            TiViewProxy viewProxy = (TiViewProxy) args.get("webview");
            webview = viewProxy.getOrCreateView();
            Log.d(PROXY_NAME, "webview: " + webview.toString());
        } else
            return;

        if (args.containsKey("quality")) {
            quality = TiConvert.toInt(args.get("quality"));
        }

        TiBaseFile file = TiFileFactory.createTitaniumFile(filename, true);
        Log.d(PROXY_NAME, "file full path: " + file.nativePath());

        OutputStream outputStream = file.getOutputStream();
        final int MARGIN = 0;
        final float PDF_WIDTH = PageSize.LETTER.getWidth() - MARGIN * 2; // A4: 595 //Letter: 612
        final float PDF_HEIGHT = PageSize.LETTER.getHeight() - MARGIN * 2; // A4: 842 //Letter: 792
        final int DEFAULT_VIEW_WIDTH = 980;
        final int DEFAULT_VIEW_HEIGHT = 1384;
        int viewWidth = DEFAULT_VIEW_WIDTH;
        int viewHeight = DEFAULT_VIEW_HEIGHT;

        Document pdfDocument = new Document(PageSize.LETTER, MARGIN, MARGIN, MARGIN, MARGIN);
        PdfWriter docWriter = PdfWriter.getInstance(pdfDocument, outputStream);

        Log.d(PROXY_NAME, "PDF_WIDTH: " + PDF_WIDTH);
        Log.d(PROXY_NAME, "PDF_HEIGHT: " + PDF_HEIGHT);

        WebView view = (WebView) webview.getNativeView();

        if (TiApplication.isUIThread()) {

            viewWidth = view.capturePicture().getWidth();
            viewHeight = view.capturePicture().getHeight();

            if (viewWidth <= 0) {
                viewWidth = DEFAULT_VIEW_WIDTH;
            }

            if (viewHeight <= 0) {
                viewHeight = DEFAULT_VIEW_HEIGHT;
            }

        } else {
            Log.e(PROXY_NAME, "NO UI THREAD");
            viewWidth = DEFAULT_VIEW_WIDTH;
            viewHeight = DEFAULT_VIEW_HEIGHT;
        }

        view.setLayerType(View.LAYER_TYPE_SOFTWARE, null);
        Log.d(PROXY_NAME, "viewWidth: " + viewWidth);
        Log.d(PROXY_NAME, "viewHeight: " + viewHeight);

        float scaleFactorWidth = 1 / (viewWidth / PDF_WIDTH);
        float scaleFactorHeight = 1 / (viewHeight / PDF_HEIGHT);

        Log.d(PROXY_NAME, "scaleFactorWidth: " + scaleFactorWidth);
        Log.d(PROXY_NAME, "scaleFactorHeight: " + scaleFactorHeight);

        Bitmap viewBitmap = Bitmap.createBitmap(viewWidth, viewHeight, Bitmap.Config.ARGB_8888);
        Canvas viewCanvas = new Canvas(viewBitmap);

        // Paint paintAntialias = new Paint();
        // paintAntialias.setAntiAlias(true);
        // paintAntialias.setFilterBitmap(true);

        Drawable bgDrawable = view.getBackground();
        if (bgDrawable != null) {
            bgDrawable.draw(viewCanvas);
        } else {
            viewCanvas.drawColor(Color.WHITE);
        }
        view.draw(viewCanvas);

        TiBaseFile pdfImg = createTempFile(filename);

        viewBitmap.compress(Bitmap.CompressFormat.PNG, quality, pdfImg.getOutputStream());

        FileInputStream pdfImgInputStream = new FileInputStream(pdfImg.getNativeFile());
        byte[] pdfImgBytes = IOUtils.toByteArray(pdfImgInputStream);
        pdfImgInputStream.close();

        pdfDocument.open();
        float yFactor = viewHeight * scaleFactorWidth;
        int pageNumber = 1;

        do {
            if (pageNumber > 1) {
                pdfDocument.newPage();
            }
            pageNumber++;
            yFactor -= PDF_HEIGHT;

            Image pageImage = Image.getInstance(pdfImgBytes, true);
            // Image pageImage = Image.getInstance(buffer.array());
            pageImage.scalePercent(scaleFactorWidth * 100);
            pageImage.setAbsolutePosition(0f, -yFactor);
            pdfDocument.add(pageImage);

            Log.d(PROXY_NAME, "yFactor: " + yFactor);
        } while (yFactor > 0);

        pdfDocument.close();

        sendCompleteEvent(filename);

    } catch (Exception exception) {
        sendErrorEvent(exception);
    }
}

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From source file:com.pablog178.pdfcreator.android.PdfcreatorModule.java

private void generateiTextPDFfunction(HashMap args) {
    if (args.containsKey("fileName")) {
        Object fileName = args.get("fileName");
        if (fileName instanceof String) {
            this.fileName = (String) fileName;
            Log.i(PROXY_NAME, "fileName: " + this.fileName);
        }/*from  www  . j  ava 2 s .com*/
    } else
        return;

    if (args.containsKey("view")) {
        Object viewObject = args.get("view");
        if (viewObject instanceof TiViewProxy) {
            TiViewProxy viewProxy = (TiViewProxy) viewObject;
            this.view = viewProxy.getOrCreateView();
            if (this.view == null) {
                Log.e(PROXY_NAME, "NO VIEW was created!!");
                return;
            }
            Log.i(PROXY_NAME, "view: " + this.view.toString());
        }
    } else
        return;

    if (args.containsKey("quality")) {
        this.quality = TiConvert.toInt(args.get("quality"));
    }

    if (args.containsKey("pageSize")) {
        Object pageSize = args.get("pageSize");
        if (pageSize instanceof String) {
            if (pageSize.equals("letter")) {
                this.pageSize = PageSize.LETTER;
            } else if (pageSize.equals("A4")) {
                this.pageSize = PageSize.A4;
            } else {
                this.pageSize = PageSize.LETTER;
            }
        }
    }

    TiBaseFile file = TiFileFactory.createTitaniumFile(this.fileName, true);
    Log.i(PROXY_NAME, "file full path: " + file.nativePath());
    try {

        Resources appResources = app.getResources();
        OutputStream outputStream = file.getOutputStream();
        final int MARGIN = 0;
        final float PDF_WIDTH = this.pageSize.getWidth() - MARGIN * 2; // A4: 595 //Letter: 612
        final float PDF_HEIGHT = this.pageSize.getHeight() - MARGIN * 2; // A4: 842 //Letter: 792
        final int DEFAULT_VIEW_WIDTH = 980;
        final int DEFAULT_VIEW_HEIGHT = 1384;
        int viewWidth = DEFAULT_VIEW_WIDTH;
        int viewHeight = DEFAULT_VIEW_HEIGHT;

        Document pdfDocument = new Document(this.pageSize, MARGIN, MARGIN, MARGIN, MARGIN);
        PdfWriter docWriter = PdfWriter.getInstance(pdfDocument, outputStream);

        Log.i(PROXY_NAME, "PDF_WIDTH: " + PDF_WIDTH);
        Log.i(PROXY_NAME, "PDF_HEIGHT: " + PDF_HEIGHT);

        WebView view = (WebView) this.view.getNativeView();

        if (TiApplication.isUIThread()) {

            viewWidth = view.capturePicture().getWidth();
            viewHeight = view.capturePicture().getHeight();

            if (viewWidth <= 0) {
                viewWidth = DEFAULT_VIEW_WIDTH;
            }

            if (viewHeight <= 0) {
                viewHeight = DEFAULT_VIEW_HEIGHT;
            }

        } else {
            Log.e(PROXY_NAME, "NO UI THREAD");
            viewWidth = DEFAULT_VIEW_WIDTH;
            viewHeight = DEFAULT_VIEW_HEIGHT;
        }

        view.setLayerType(View.LAYER_TYPE_SOFTWARE, null);
        Log.i(PROXY_NAME, "viewWidth: " + viewWidth);
        Log.i(PROXY_NAME, "viewHeight: " + viewHeight);

        float scaleFactorWidth = 1 / ((float) viewWidth / PDF_WIDTH);
        float scaleFactorHeight = 1 / ((float) viewHeight / PDF_HEIGHT);

        Log.i(PROXY_NAME, "scaleFactorWidth: " + scaleFactorWidth);
        Log.i(PROXY_NAME, "scaleFactorHeight: " + scaleFactorHeight);

        Bitmap viewBitmap = Bitmap.createBitmap(viewWidth, viewHeight, Bitmap.Config.ARGB_8888);
        Canvas viewCanvas = new Canvas(viewBitmap);

        // Paint paintAntialias = new Paint();
        // paintAntialias.setAntiAlias(true);
        // paintAntialias.setFilterBitmap(true);

        Drawable bgDrawable = view.getBackground();
        if (bgDrawable != null) {
            bgDrawable.draw(viewCanvas);
        } else {
            viewCanvas.drawColor(Color.WHITE);
        }
        view.draw(viewCanvas);

        TiBaseFile pdfImg = createTempFile();

        // ByteArrayOutputStream stream = new ByteArrayOutputStream(32);
        // viewBitmap.compress(Bitmap.CompressFormat.JPEG, this.quality, stream);
        viewBitmap.compress(Bitmap.CompressFormat.JPEG, this.quality, pdfImg.getOutputStream());

        FileInputStream pdfImgInputStream = new FileInputStream(pdfImg.getNativeFile());
        byte[] pdfImgBytes = IOUtils.toByteArray(pdfImgInputStream);
        pdfImgInputStream.close();

        // ByteBuffer      buffer         = ByteBuffer.allocate(viewBitmap.getByteCount());
        // viewBitmap.copyPixelsToBuffer(buffer);

        pdfDocument.open();
        float yFactor = viewHeight * scaleFactorWidth;
        int pageNumber = 1;

        do {
            if (pageNumber > 1) {
                pdfDocument.newPage();
            }
            pageNumber++;
            yFactor -= PDF_HEIGHT;

            Image pageImage = Image.getInstance(pdfImgBytes, true);
            // Image pageImage = Image.getInstance(buffer.array());
            pageImage.scalePercent(scaleFactorWidth * 100);
            pageImage.setAbsolutePosition(0f, -yFactor);
            pdfDocument.add(pageImage);

            Log.i(PROXY_NAME, "yFactor: " + yFactor);
        } while (yFactor > 0);

        pdfDocument.close();

        sendCompleteEvent();

    } catch (Exception exception) {
        Log.e(PROXY_NAME, "Error: " + exception.toString());
        sendErrorEvent(exception.toString());
    }
}

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