1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
|
/*
* Copyright (C) 2013 The Android Open Source Project
*
* 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.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;
import android.os.CancellationSignal;
import android.print.PageRange;
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 com.android.gallery3d.filtershow.cache.ImageLoader;
import com.android.gallery3d.filtershow.imageshow.MasterImage;
import java.io.FileDescriptor;
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) {
if (bitmap == null) {
return;
}
PrintManager printManager = (PrintManager) context.getSystemService(Context.PRINT_SERVICE);
android.print.PrintJob printJob = printManager.print(jobName,
new PrintDocumentAdapter() {
private Rect mPageRect;
private Matrix mPrintMatrix;
private float mDensity;
@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;
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);
}
PrintDocumentInfo info = new PrintDocumentInfo.Builder(jobName)
.setContentType(PrintDocumentInfo.CONTENT_TYPE_PHOTO)
.setPageCount(1)
.create();
layoutResultCallback.onLayoutFinished(info, false);
}
@Override
public void onWrite(PageRange[] pageRanges, FileDescriptor fileDescriptor,
CancellationSignal cancellationSignal,
WriteResultCallback writeResultCallback) {
PdfDocument mPdfDocument = PdfDocument.open();
PdfDocument.PageInfo pageInfo = new PdfDocument.PageInfo.Builder(
mPageRect, 1, (int) mDensity).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();
writeResultCallback.onWriteFinished(
new PageRange[] { PageRange.ALL_PAGES });
}
}, new PrintAttributes.Builder().create());
}
public static void printBitmapAtUri(Context context, String imagePrint, Uri uri) {
// TODO: load full size images. For now, it's better to constrain ourselves.
Bitmap bitmap = ImageLoader.loadConstrainedBitmap(uri, context, MAX_PRINT_SIZE, null, false);
printBitmap(context, imagePrint, bitmap);
}
}
|
