Updated printing in Gallery due to API changes. (e40690d7) · Commits · e / os / android_packages_apps_Gallery2

src/com/android/gallery3d/util/PrintJob.java

+92 −43

Original line number	Diff line number	Diff line
		@@ -18,9 +18,7 @@ package com.android.gallery3d.util;

		import android.content.Context;
		import android.graphics.Bitmap;
		import android.graphics.BitmapFactory;
		import android.graphics.Matrix;
		import android.graphics.Rect;
		import android.graphics.RectF;
		import android.net.Uri;
		import android.os.Bundle;
		@@ -30,10 +28,10 @@ import android.print.PrintAttributes;
		import android.print.PrintDocumentAdapter;
		import android.print.PrintDocumentInfo;
		import android.print.PrintManager;
		import android.print.pdf.PdfDocument;
		import com.android.gallery3d.app.AbstractGalleryActivity;
		import android.print.pdf.PdfDocument.Page;
		import android.print.pdf.PrintedPdfDocument;

		import com.android.gallery3d.filtershow.cache.ImageLoader;
		import com.android.gallery3d.filtershow.imageshow.MasterImage;

		import java.io.FileDescriptor;
		import java.io.FileOutputStream;
		@@ -41,42 +39,31 @@ import java.io.FileOutputStream;
		public class PrintJob {
		private final static int MAX_PRINT_SIZE = 2048;

		public static void printBitmap(Context context, final String jobName, final Bitmap bitmap) {
		public static void printBitmap(final Context context, final String jobName,
		final Bitmap bitmap) {
		if (bitmap == null) {
		return;
		}
		PrintManager printManager = (PrintManager) context.getSystemService(Context.PRINT_SERVICE);
		android.print.PrintJob printJob = printManager.print(jobName,
		printManager.print(jobName,
		new PrintDocumentAdapter() {
		private Rect mPageRect;
		private Matrix mPrintMatrix;
		private float mDensity;
		private PrintAttributes mAttributes;

		@Override
		public void onLayout(PrintAttributes oldPrintAttributes,
		PrintAttributes newPrintAttributes,
		CancellationSignal cancellationSignal,
		LayoutResultCallback layoutResultCallback, Bundle bundle) {

		mDensity = Math.max(newPrintAttributes.getResolution().getHorizontalDpi(),
		newPrintAttributes.getResolution().getVerticalDpi());

		float MILS_PER_INCH = 1000f;
		LayoutResultCallback layoutResultCallback,
		Bundle bundle) {

		int pageWidth = (int) (mDensity
		* newPrintAttributes.getMediaSize().getWidthMils() / MILS_PER_INCH);
		int pageHeight = (int) (mDensity
		* newPrintAttributes.getMediaSize().getWidthMils() / MILS_PER_INCH);

		mPageRect = new Rect(0, 0, pageWidth, pageHeight);
		if (newPrintAttributes.getOrientation()
		== PrintAttributes.ORIENTATION_LANDSCAPE) {
		mPageRect = new Rect(0, 0, pageHeight, pageWidth);
		}
		mAttributes = newPrintAttributes;

		PrintDocumentInfo info = new PrintDocumentInfo.Builder(jobName)
		PrintDocumentInfo info = new PrintDocumentInfo
		.Builder(jobName, newPrintAttributes)
		.setContentType(PrintDocumentInfo.CONTENT_TYPE_PHOTO)
		.setPageCount(1)
		.create();

		layoutResultCallback.onLayoutFinished(info, false);
		}

		@@ -84,24 +71,86 @@ public class PrintJob {
		public void onWrite(PageRange[] pageRanges, FileDescriptor fileDescriptor,
		CancellationSignal cancellationSignal,
		WriteResultCallback writeResultCallback) {
		PdfDocument mPdfDocument = PdfDocument.open();
		PdfDocument.PageInfo pageInfo = new PdfDocument.PageInfo.Builder(
		mPageRect, 1).create();
		PdfDocument.Page page = mPdfDocument.startPage(pageInfo);
		mPrintMatrix = new Matrix();
		mPrintMatrix.setRectToRect(
		new RectF(0, 0, bitmap.getWidth(), bitmap.getHeight()),
		new RectF(mPageRect),
		Matrix.ScaleToFit.CENTER);
		page.getCanvas().drawBitmap(bitmap, mPrintMatrix, null);
		mPdfDocument.finishPage(page);
		mPdfDocument.writeTo(new FileOutputStream(fileDescriptor));
		mPdfDocument.close();
		try {
		PrintedPdfDocument pdfDocument = PrintedPdfDocument.open(context,
		mAttributes);
		Page page = pdfDocument.startPage(1);

		RectF content = new RectF(page.getInfo().getContentSize());
		Matrix matrix = new Matrix();

		// Handle orientation.
		if (mAttributes.getOrientation()
		== PrintAttributes.ORIENTATION_LANDSCAPE) {
		// Compute and apply scale based on fitting mode.
		final float scale;
		switch (mAttributes.getFittingMode()) {
		case PrintAttributes.FITTING_MODE_SCALE_TO_FILL: {
		scale = Math.max(content.width() / bitmap.getHeight(),
		content.height() / bitmap.getWidth());
		} break;

		case PrintAttributes.FITTING_MODE_SCALE_TO_FIT: {
		scale = Math.min(content.width() / bitmap.getHeight(),
		content.height() / bitmap.getWidth());
		} break;

		default: {
		scale = 1.0f;
		}
		}
		matrix.postScale(scale, scale);

		// Apply the rotation.
		matrix.postRotate(90);
		matrix.postTranslate(bitmap.getHeight() * scale, 0);

		// Center the content.
		final float translateX = (content.width()
		- bitmap.getHeight() * scale) / 2;
		final float translateY = (content.height()
		- bitmap.getWidth() * scale) / 2;
		matrix.postTranslate(translateX, translateY);
		} else {
		// Compute and apply scale based on fitting mode.
		float scale = 1.0f;
		switch (mAttributes.getFittingMode()) {
		case PrintAttributes.FITTING_MODE_SCALE_TO_FILL: {
		scale = Math.max(content.width() / bitmap.getWidth(),
		content.height() / bitmap.getHeight());
		} break;

		case PrintAttributes.FITTING_MODE_SCALE_TO_FIT: {
		scale = Math.min(content.width() / bitmap.getWidth(),
		content.height() / bitmap.getHeight());
		} break;
		}
		matrix.postScale(scale, scale);

		// Center the content.
		final float translateX = (content.width()
		- bitmap.getWidth() * scale) / 2;
		final float translateY = (content.height()
		- bitmap.getHeight() * scale) / 2;
		matrix.postTranslate(translateX, translateY);
		}

		// Draw the bitmap.
		page.getCanvas().drawBitmap(bitmap, matrix, null);

		// Write the document.
		pdfDocument.finishPage(page);
		pdfDocument.writeTo(new FileOutputStream(fileDescriptor));
		pdfDocument.close();

		// Done.
		writeResultCallback.onWriteFinished(
		new PageRange[] { PageRange.ALL_PAGES });
		} finally {
		writeResultCallback.onWriteFailed(null);
		}
		}
		}, new PrintAttributes.Builder().create());

		}

		public static void printBitmapAtUri(Context context, String imagePrint, Uri uri) {