Move PdfRenderer java and native code to packages/providers/MediaProvider
PdfEditor will be mainlined post-V due to API review bandwidth constraints.
Test: manual testing against printspooler usage of this API, CTS
Bug: 319339682
Change-Id: I65fa29c0268f9fa9294807e8ba3fb68f7a7519dd
diff --git a/core/api/current.txt b/core/api/current.txt
index a3775b0..33d1712 100644
--- a/core/api/current.txt
+++ b/core/api/current.txt
@@ -17922,24 +17922,6 @@
method public android.graphics.pdf.PdfDocument.PageInfo.Builder setContentRect(android.graphics.Rect);
}
- public final class PdfRenderer implements java.lang.AutoCloseable {
- ctor public PdfRenderer(@NonNull android.os.ParcelFileDescriptor) throws java.io.IOException;
- method public void close();
- method public int getPageCount();
- method public android.graphics.pdf.PdfRenderer.Page openPage(int);
- method public boolean shouldScaleForPrinting();
- }
-
- public final class PdfRenderer.Page implements java.lang.AutoCloseable {
- method public void close();
- method public int getHeight();
- method public int getIndex();
- method public int getWidth();
- method public void render(@NonNull android.graphics.Bitmap, @Nullable android.graphics.Rect, @Nullable android.graphics.Matrix, int);
- field public static final int RENDER_MODE_FOR_DISPLAY = 1; // 0x1
- field public static final int RENDER_MODE_FOR_PRINT = 2; // 0x2
- }
-
}
package android.graphics.text {
diff --git a/graphics/java/android/graphics/pdf/PdfEditor.java b/graphics/java/android/graphics/pdf/PdfEditor.java
index 3cd709e..69e1982 100644
--- a/graphics/java/android/graphics/pdf/PdfEditor.java
+++ b/graphics/java/android/graphics/pdf/PdfEditor.java
@@ -25,7 +25,9 @@
import android.system.ErrnoException;
import android.system.Os;
import android.system.OsConstants;
+
import dalvik.system.CloseGuard;
+
import libcore.io.IoUtils;
import java.io.IOException;
@@ -37,6 +39,12 @@
*/
public final class PdfEditor {
+ /**
+ * Any call the native pdfium code has to be single threaded as the library does not support
+ * parallel use.
+ */
+ private static final Object sPdfiumLock = new Object();
+
private final CloseGuard mCloseGuard = CloseGuard.get();
private long mNativeDocument;
@@ -79,7 +87,7 @@
}
mInput = input;
- synchronized (PdfRenderer.sPdfiumLock) {
+ synchronized (sPdfiumLock) {
mNativeDocument = nativeOpen(mInput.getFd(), size);
try {
mPageCount = nativeGetPageCount(mNativeDocument);
@@ -112,7 +120,7 @@
throwIfClosed();
throwIfPageNotInDocument(pageIndex);
- synchronized (PdfRenderer.sPdfiumLock) {
+ synchronized (sPdfiumLock) {
mPageCount = nativeRemovePage(mNativeDocument, pageIndex);
}
}
@@ -138,12 +146,12 @@
Point size = new Point();
getPageSize(pageIndex, size);
- synchronized (PdfRenderer.sPdfiumLock) {
+ synchronized (sPdfiumLock) {
nativeSetTransformAndClip(mNativeDocument, pageIndex, transform.ni(),
0, 0, size.x, size.y);
}
} else {
- synchronized (PdfRenderer.sPdfiumLock) {
+ synchronized (sPdfiumLock) {
nativeSetTransformAndClip(mNativeDocument, pageIndex, transform.ni(),
clip.left, clip.top, clip.right, clip.bottom);
}
@@ -161,7 +169,7 @@
throwIfOutSizeNull(outSize);
throwIfPageNotInDocument(pageIndex);
- synchronized (PdfRenderer.sPdfiumLock) {
+ synchronized (sPdfiumLock) {
nativeGetPageSize(mNativeDocument, pageIndex, outSize);
}
}
@@ -177,7 +185,7 @@
throwIfOutMediaBoxNull(outMediaBox);
throwIfPageNotInDocument(pageIndex);
- synchronized (PdfRenderer.sPdfiumLock) {
+ synchronized (sPdfiumLock) {
return nativeGetPageMediaBox(mNativeDocument, pageIndex, outMediaBox);
}
}
@@ -193,7 +201,7 @@
throwIfMediaBoxNull(mediaBox);
throwIfPageNotInDocument(pageIndex);
- synchronized (PdfRenderer.sPdfiumLock) {
+ synchronized (sPdfiumLock) {
nativeSetPageMediaBox(mNativeDocument, pageIndex, mediaBox);
}
}
@@ -209,7 +217,7 @@
throwIfOutCropBoxNull(outCropBox);
throwIfPageNotInDocument(pageIndex);
- synchronized (PdfRenderer.sPdfiumLock) {
+ synchronized (sPdfiumLock) {
return nativeGetPageCropBox(mNativeDocument, pageIndex, outCropBox);
}
}
@@ -225,7 +233,7 @@
throwIfCropBoxNull(cropBox);
throwIfPageNotInDocument(pageIndex);
- synchronized (PdfRenderer.sPdfiumLock) {
+ synchronized (sPdfiumLock) {
nativeSetPageCropBox(mNativeDocument, pageIndex, cropBox);
}
}
@@ -238,7 +246,7 @@
public boolean shouldScaleForPrinting() {
throwIfClosed();
- synchronized (PdfRenderer.sPdfiumLock) {
+ synchronized (sPdfiumLock) {
return nativeScaleForPrinting(mNativeDocument);
}
}
@@ -255,7 +263,7 @@
try {
throwIfClosed();
- synchronized (PdfRenderer.sPdfiumLock) {
+ synchronized (sPdfiumLock) {
nativeWrite(mNativeDocument, output.getFd());
}
} finally {
@@ -287,7 +295,7 @@
private void doClose() {
if (mNativeDocument != 0) {
- synchronized (PdfRenderer.sPdfiumLock) {
+ synchronized (sPdfiumLock) {
nativeClose(mNativeDocument);
}
mNativeDocument = 0;
diff --git a/graphics/java/android/graphics/pdf/PdfRenderer.java b/graphics/java/android/graphics/pdf/PdfRenderer.java
deleted file mode 100644
index 4666963..0000000
--- a/graphics/java/android/graphics/pdf/PdfRenderer.java
+++ /dev/null
@@ -1,502 +0,0 @@
-/*
- * Copyright (C) 2014 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 android.graphics.pdf;
-
-import android.annotation.IntDef;
-import android.annotation.NonNull;
-import android.annotation.Nullable;
-import android.compat.annotation.UnsupportedAppUsage;
-import android.graphics.Bitmap;
-import android.graphics.Bitmap.Config;
-import android.graphics.Matrix;
-import android.graphics.Point;
-import android.graphics.Rect;
-import android.os.Build;
-import android.os.ParcelFileDescriptor;
-import android.system.ErrnoException;
-import android.system.Os;
-import android.system.OsConstants;
-
-import com.android.internal.util.Preconditions;
-
-import dalvik.system.CloseGuard;
-
-import libcore.io.IoUtils;
-
-import java.io.IOException;
-import java.lang.annotation.Retention;
-import java.lang.annotation.RetentionPolicy;
-
-/**
- * <p>
- * This class enables rendering a PDF document. This class is not thread safe.
- * </p>
- * <p>
- * If you want to render a PDF, you create a renderer and for every page you want
- * to render, you open the page, render it, and close the page. After you are done
- * with rendering, you close the renderer. After the renderer is closed it should not
- * be used anymore. Note that the pages are rendered one by one, i.e. you can have
- * only a single page opened at any given time.
- * </p>
- * <p>
- * A typical use of the APIs to render a PDF looks like this:
- * </p>
- * <pre>
- * // create a new renderer
- * PdfRenderer renderer = new PdfRenderer(getSeekableFileDescriptor());
- *
- * // let us just render all pages
- * final int pageCount = renderer.getPageCount();
- * for (int i = 0; i < pageCount; i++) {
- * Page page = renderer.openPage(i);
- *
- * // say we render for showing on the screen
- * page.render(mBitmap, null, null, Page.RENDER_MODE_FOR_DISPLAY);
- *
- * // do stuff with the bitmap
- *
- * // close the page
- * page.close();
- * }
- *
- * // close the renderer
- * renderer.close();
- * </pre>
- *
- * <h3>Print preview and print output</h3>
- * <p>
- * If you are using this class to rasterize a PDF for printing or show a print
- * preview, it is recommended that you respect the following contract in order
- * to provide a consistent user experience when seeing a preview and printing,
- * i.e. the user sees a preview that is the same as the printout.
- * </p>
- * <ul>
- * <li>
- * Respect the property whether the document would like to be scaled for printing
- * as per {@link #shouldScaleForPrinting()}.
- * </li>
- * <li>
- * When scaling a document for printing the aspect ratio should be preserved.
- * </li>
- * <li>
- * Do not inset the content with any margins from the {@link android.print.PrintAttributes}
- * as the application is responsible to render it such that the margins are respected.
- * </li>
- * <li>
- * If document page size is greater than the printed media size the content should
- * be anchored to the upper left corner of the page for left-to-right locales and
- * top right corner for right-to-left locales.
- * </li>
- * </ul>
- *
- * @see #close()
- */
-public final class PdfRenderer implements AutoCloseable {
- /**
- * Any call the native pdfium code has to be single threaded as the library does not support
- * parallel use.
- */
- final static Object sPdfiumLock = new Object();
-
- private final CloseGuard mCloseGuard = CloseGuard.get();
-
- private final Point mTempPoint = new Point();
-
- private long mNativeDocument;
-
- private final int mPageCount;
-
- private ParcelFileDescriptor mInput;
-
- @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
- private Page mCurrentPage;
-
- /** @hide */
- @IntDef({
- Page.RENDER_MODE_FOR_DISPLAY,
- Page.RENDER_MODE_FOR_PRINT
- })
- @Retention(RetentionPolicy.SOURCE)
- public @interface RenderMode {}
-
- /**
- * Creates a new instance.
- * <p>
- * <strong>Note:</strong> The provided file descriptor must be <strong>seekable</strong>,
- * i.e. its data being randomly accessed, e.g. pointing to a file.
- * </p>
- * <p>
- * <strong>Note:</strong> This class takes ownership of the passed in file descriptor
- * and is responsible for closing it when the renderer is closed.
- * </p>
- * <p>
- * If the file is from an untrusted source it is recommended to run the renderer in a separate,
- * isolated process with minimal permissions to limit the impact of security exploits.
- * </p>
- *
- * @param input Seekable file descriptor to read from.
- *
- * @throws java.io.IOException If an error occurs while reading the file.
- * @throws java.lang.SecurityException If the file requires a password or
- * the security scheme is not supported.
- */
- public PdfRenderer(@NonNull ParcelFileDescriptor input) throws IOException {
- if (input == null) {
- throw new NullPointerException("input cannot be null");
- }
-
- final long size;
- try {
- Os.lseek(input.getFileDescriptor(), 0, OsConstants.SEEK_SET);
- size = Os.fstat(input.getFileDescriptor()).st_size;
- } catch (ErrnoException ee) {
- throw new IllegalArgumentException("file descriptor not seekable");
- }
- mInput = input;
-
- synchronized (sPdfiumLock) {
- mNativeDocument = nativeCreate(mInput.getFd(), size);
- try {
- mPageCount = nativeGetPageCount(mNativeDocument);
- } catch (Throwable t) {
- nativeClose(mNativeDocument);
- mNativeDocument = 0;
- throw t;
- }
- }
-
- mCloseGuard.open("close");
- }
-
- /**
- * Closes this renderer. You should not use this instance
- * after this method is called.
- */
- public void close() {
- throwIfClosed();
- throwIfPageOpened();
- doClose();
- }
-
- /**
- * Gets the number of pages in the document.
- *
- * @return The page count.
- */
- public int getPageCount() {
- throwIfClosed();
- return mPageCount;
- }
-
- /**
- * Gets whether the document prefers to be scaled for printing.
- * You should take this info account if the document is rendered
- * for printing and the target media size differs from the page
- * size.
- *
- * @return If to scale the document.
- */
- public boolean shouldScaleForPrinting() {
- throwIfClosed();
-
- synchronized (sPdfiumLock) {
- return nativeScaleForPrinting(mNativeDocument);
- }
- }
-
- /**
- * Opens a page for rendering.
- *
- * @param index The page index.
- * @return A page that can be rendered.
- *
- * @see android.graphics.pdf.PdfRenderer.Page#close() PdfRenderer.Page.close()
- */
- public Page openPage(int index) {
- throwIfClosed();
- throwIfPageOpened();
- throwIfPageNotInDocument(index);
- mCurrentPage = new Page(index);
- return mCurrentPage;
- }
-
- @Override
- protected void finalize() throws Throwable {
- try {
- if (mCloseGuard != null) {
- mCloseGuard.warnIfOpen();
- }
-
- doClose();
- } finally {
- super.finalize();
- }
- }
-
- @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
- private void doClose() {
- if (mCurrentPage != null) {
- mCurrentPage.close();
- mCurrentPage = null;
- }
-
- if (mNativeDocument != 0) {
- synchronized (sPdfiumLock) {
- nativeClose(mNativeDocument);
- }
- mNativeDocument = 0;
- }
-
- if (mInput != null) {
- IoUtils.closeQuietly(mInput);
- mInput = null;
- }
- mCloseGuard.close();
- }
-
- private void throwIfClosed() {
- if (mInput == null) {
- throw new IllegalStateException("Already closed");
- }
- }
-
- private void throwIfPageOpened() {
- if (mCurrentPage != null) {
- throw new IllegalStateException("Current page not closed");
- }
- }
-
- private void throwIfPageNotInDocument(int pageIndex) {
- if (pageIndex < 0 || pageIndex >= mPageCount) {
- throw new IllegalArgumentException("Invalid page index");
- }
- }
-
- /**
- * This class represents a PDF document page for rendering.
- */
- public final class Page implements AutoCloseable {
-
- private final CloseGuard mCloseGuard = CloseGuard.get();
-
- /**
- * Mode to render the content for display on a screen.
- */
- public static final int RENDER_MODE_FOR_DISPLAY = 1;
-
- /**
- * Mode to render the content for printing.
- */
- public static final int RENDER_MODE_FOR_PRINT = 2;
-
- private final int mIndex;
- private final int mWidth;
- private final int mHeight;
-
- private long mNativePage;
-
- private Page(int index) {
- Point size = mTempPoint;
- synchronized (sPdfiumLock) {
- mNativePage = nativeOpenPageAndGetSize(mNativeDocument, index, size);
- }
- mIndex = index;
- mWidth = size.x;
- mHeight = size.y;
- mCloseGuard.open("close");
- }
-
- /**
- * Gets the page index.
- *
- * @return The index.
- */
- public int getIndex() {
- return mIndex;
- }
-
- /**
- * Gets the page width in points (1/72").
- *
- * @return The width in points.
- */
- public int getWidth() {
- return mWidth;
- }
-
- /**
- * Gets the page height in points (1/72").
- *
- * @return The height in points.
- */
- public int getHeight() {
- return mHeight;
- }
-
- /**
- * Renders a page to a bitmap.
- * <p>
- * You may optionally specify a rectangular clip in the bitmap bounds. No rendering
- * outside the clip will be performed, hence it is your responsibility to initialize
- * the bitmap outside the clip.
- * </p>
- * <p>
- * You may optionally specify a matrix to transform the content from page coordinates
- * which are in points (1/72") to bitmap coordinates which are in pixels. If this
- * matrix is not provided this method will apply a transformation that will fit the
- * whole page to the destination clip if provided or the destination bitmap if no
- * clip is provided.
- * </p>
- * <p>
- * The clip and transformation are useful for implementing tile rendering where the
- * destination bitmap contains a portion of the image, for example when zooming.
- * Another useful application is for printing where the size of the bitmap holding
- * the page is too large and a client can render the page in stripes.
- * </p>
- * <p>
- * <strong>Note: </strong> The destination bitmap format must be
- * {@link Config#ARGB_8888 ARGB}.
- * </p>
- * <p>
- * <strong>Note: </strong> The optional transformation matrix must be affine as per
- * {@link android.graphics.Matrix#isAffine() Matrix.isAffine()}. Hence, you can specify
- * rotation, scaling, translation but not a perspective transformation.
- * </p>
- *
- * @param destination Destination bitmap to which to render.
- * @param destClip Optional clip in the bitmap bounds.
- * @param transform Optional transformation to apply when rendering.
- * @param renderMode The render mode.
- *
- * @see #RENDER_MODE_FOR_DISPLAY
- * @see #RENDER_MODE_FOR_PRINT
- */
- public void render(@NonNull Bitmap destination, @Nullable Rect destClip,
- @Nullable Matrix transform, @RenderMode int renderMode) {
- if (mNativePage == 0) {
- throw new NullPointerException();
- }
-
- destination = Preconditions.checkNotNull(destination, "bitmap null");
-
- if (destination.getConfig() != Config.ARGB_8888) {
- throw new IllegalArgumentException("Unsupported pixel format");
- }
-
- if (destClip != null) {
- if (destClip.left < 0 || destClip.top < 0
- || destClip.right > destination.getWidth()
- || destClip.bottom > destination.getHeight()) {
- throw new IllegalArgumentException("destBounds not in destination");
- }
- }
-
- if (transform != null && !transform.isAffine()) {
- throw new IllegalArgumentException("transform not affine");
- }
-
- if (renderMode != RENDER_MODE_FOR_PRINT && renderMode != RENDER_MODE_FOR_DISPLAY) {
- throw new IllegalArgumentException("Unsupported render mode");
- }
-
- if (renderMode == RENDER_MODE_FOR_PRINT && renderMode == RENDER_MODE_FOR_DISPLAY) {
- throw new IllegalArgumentException("Only single render mode supported");
- }
-
- final int contentLeft = (destClip != null) ? destClip.left : 0;
- final int contentTop = (destClip != null) ? destClip.top : 0;
- final int contentRight = (destClip != null) ? destClip.right
- : destination.getWidth();
- final int contentBottom = (destClip != null) ? destClip.bottom
- : destination.getHeight();
-
- // If transform is not set, stretch page to whole clipped area
- if (transform == null) {
- int clipWidth = contentRight - contentLeft;
- int clipHeight = contentBottom - contentTop;
-
- transform = new Matrix();
- transform.postScale((float)clipWidth / getWidth(),
- (float)clipHeight / getHeight());
- transform.postTranslate(contentLeft, contentTop);
- }
-
- // FIXME: This code is planned to be outside the UI rendering module, so it should not
- // be able to access native instances from Bitmap, Matrix, etc.
- final long transformPtr = transform.ni();
-
- synchronized (sPdfiumLock) {
- nativeRenderPage(mNativeDocument, mNativePage, destination.getNativeInstance(),
- contentLeft, contentTop, contentRight, contentBottom, transformPtr,
- renderMode);
- }
- }
-
- /**
- * Closes this page.
- *
- * @see android.graphics.pdf.PdfRenderer#openPage(int)
- */
- @Override
- public void close() {
- throwIfClosed();
- doClose();
- }
-
- @Override
- protected void finalize() throws Throwable {
- try {
- if (mCloseGuard != null) {
- mCloseGuard.warnIfOpen();
- }
-
- doClose();
- } finally {
- super.finalize();
- }
- }
-
- private void doClose() {
- if (mNativePage != 0) {
- synchronized (sPdfiumLock) {
- nativeClosePage(mNativePage);
- }
- mNativePage = 0;
- }
-
- mCloseGuard.close();
- mCurrentPage = null;
- }
-
- private void throwIfClosed() {
- if (mNativePage == 0) {
- throw new IllegalStateException("Already closed");
- }
- }
- }
-
- private static native long nativeCreate(int fd, long size);
- private static native void nativeClose(long documentPtr);
- private static native int nativeGetPageCount(long documentPtr);
- private static native boolean nativeScaleForPrinting(long documentPtr);
- private static native void nativeRenderPage(long documentPtr, long pagePtr, long bitmapHandle,
- int clipLeft, int clipTop, int clipRight, int clipBottom, long transformPtr,
- int renderMode);
- private static native long nativeOpenPageAndGetSize(long documentPtr, int pageIndex,
- Point outSize);
- private static native void nativeClosePage(long pagePtr);
-}
diff --git a/libs/hwui/Android.bp b/libs/hwui/Android.bp
index 4e330da..e4f3e2d 100644
--- a/libs/hwui/Android.bp
+++ b/libs/hwui/Android.bp
@@ -427,7 +427,6 @@
"jni/MovieImpl.cpp",
"jni/pdf/PdfDocument.cpp",
"jni/pdf/PdfEditor.cpp",
- "jni/pdf/PdfRenderer.cpp",
"jni/pdf/PdfUtils.cpp",
],
shared_libs: [
diff --git a/libs/hwui/apex/jni_runtime.cpp b/libs/hwui/apex/jni_runtime.cpp
index 883f273..fb0cdb0 100644
--- a/libs/hwui/apex/jni_runtime.cpp
+++ b/libs/hwui/apex/jni_runtime.cpp
@@ -70,7 +70,6 @@
extern int register_android_graphics_fonts_FontFamily(JNIEnv* env);
extern int register_android_graphics_pdf_PdfDocument(JNIEnv* env);
extern int register_android_graphics_pdf_PdfEditor(JNIEnv* env);
-extern int register_android_graphics_pdf_PdfRenderer(JNIEnv* env);
extern int register_android_graphics_text_MeasuredText(JNIEnv* env);
extern int register_android_graphics_text_LineBreaker(JNIEnv *env);
extern int register_android_graphics_text_TextShaper(JNIEnv *env);
@@ -142,7 +141,6 @@
REG_JNI(register_android_graphics_fonts_FontFamily),
REG_JNI(register_android_graphics_pdf_PdfDocument),
REG_JNI(register_android_graphics_pdf_PdfEditor),
- REG_JNI(register_android_graphics_pdf_PdfRenderer),
REG_JNI(register_android_graphics_text_MeasuredText),
REG_JNI(register_android_graphics_text_LineBreaker),
REG_JNI(register_android_graphics_text_TextShaper),
diff --git a/libs/hwui/jni/pdf/PdfRenderer.cpp b/libs/hwui/jni/pdf/PdfRenderer.cpp
deleted file mode 100644
index cc1f961..0000000
--- a/libs/hwui/jni/pdf/PdfRenderer.cpp
+++ /dev/null
@@ -1,134 +0,0 @@
-/*
- * Copyright (C) 2014 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.
- */
-
-#include "PdfUtils.h"
-
-#include "GraphicsJNI.h"
-#include "SkBitmap.h"
-#include "SkMatrix.h"
-#include "fpdfview.h"
-
-#include <vector>
-#include <utils/Log.h>
-#include <unistd.h>
-#include <sys/types.h>
-#include <unistd.h>
-
-namespace android {
-
-static const int RENDER_MODE_FOR_DISPLAY = 1;
-static const int RENDER_MODE_FOR_PRINT = 2;
-
-static struct {
- jfieldID x;
- jfieldID y;
-} gPointClassInfo;
-
-static jlong nativeOpenPageAndGetSize(JNIEnv* env, jclass thiz, jlong documentPtr,
- jint pageIndex, jobject outSize) {
- FPDF_DOCUMENT document = reinterpret_cast<FPDF_DOCUMENT>(documentPtr);
-
- FPDF_PAGE page = FPDF_LoadPage(document, pageIndex);
- if (!page) {
- jniThrowException(env, "java/lang/IllegalStateException",
- "cannot load page");
- return -1;
- }
-
- double width = 0;
- double height = 0;
-
- int result = FPDF_GetPageSizeByIndex(document, pageIndex, &width, &height);
- if (!result) {
- jniThrowException(env, "java/lang/IllegalStateException",
- "cannot get page size");
- return -1;
- }
-
- env->SetIntField(outSize, gPointClassInfo.x, width);
- env->SetIntField(outSize, gPointClassInfo.y, height);
-
- return reinterpret_cast<jlong>(page);
-}
-
-static void nativeClosePage(JNIEnv* env, jclass thiz, jlong pagePtr) {
- FPDF_PAGE page = reinterpret_cast<FPDF_PAGE>(pagePtr);
- FPDF_ClosePage(page);
-}
-
-static void nativeRenderPage(JNIEnv* env, jclass thiz, jlong documentPtr, jlong pagePtr,
- jlong bitmapPtr, jint clipLeft, jint clipTop, jint clipRight, jint clipBottom,
- jlong transformPtr, jint renderMode) {
- FPDF_PAGE page = reinterpret_cast<FPDF_PAGE>(pagePtr);
-
- SkBitmap skBitmap;
- bitmap::toBitmap(bitmapPtr).getSkBitmap(&skBitmap);
-
- const int stride = skBitmap.width() * 4;
-
- FPDF_BITMAP bitmap = FPDFBitmap_CreateEx(skBitmap.width(), skBitmap.height(),
- FPDFBitmap_BGRA, skBitmap.getPixels(), stride);
-
- int renderFlags = FPDF_REVERSE_BYTE_ORDER;
- if (renderMode == RENDER_MODE_FOR_DISPLAY) {
- renderFlags |= FPDF_LCD_TEXT;
- } else if (renderMode == RENDER_MODE_FOR_PRINT) {
- renderFlags |= FPDF_PRINTING;
- }
-
- SkMatrix matrix = *reinterpret_cast<SkMatrix*>(transformPtr);
- SkScalar transformValues[6];
- if (!matrix.asAffine(transformValues)) {
- jniThrowException(env, "java/lang/IllegalArgumentException",
- "transform matrix has perspective. Only affine matrices are allowed.");
- return;
- }
-
- FS_MATRIX transform = {transformValues[SkMatrix::kAScaleX], transformValues[SkMatrix::kASkewY],
- transformValues[SkMatrix::kASkewX], transformValues[SkMatrix::kAScaleY],
- transformValues[SkMatrix::kATransX],
- transformValues[SkMatrix::kATransY]};
-
- FS_RECTF clip = {(float) clipLeft, (float) clipTop, (float) clipRight, (float) clipBottom};
-
- FPDF_RenderPageBitmapWithMatrix(bitmap, page, &transform, &clip, renderFlags);
-
- skBitmap.notifyPixelsChanged();
-}
-
-static const JNINativeMethod gPdfRenderer_Methods[] = {
- {"nativeCreate", "(IJ)J", (void*) nativeOpen},
- {"nativeClose", "(J)V", (void*) nativeClose},
- {"nativeGetPageCount", "(J)I", (void*) nativeGetPageCount},
- {"nativeScaleForPrinting", "(J)Z", (void*) nativeScaleForPrinting},
- {"nativeRenderPage", "(JJJIIIIJI)V", (void*) nativeRenderPage},
- {"nativeOpenPageAndGetSize", "(JILandroid/graphics/Point;)J", (void*) nativeOpenPageAndGetSize},
- {"nativeClosePage", "(J)V", (void*) nativeClosePage}
-};
-
-int register_android_graphics_pdf_PdfRenderer(JNIEnv* env) {
- int result = RegisterMethodsOrDie(
- env, "android/graphics/pdf/PdfRenderer", gPdfRenderer_Methods,
- NELEM(gPdfRenderer_Methods));
-
- jclass clazz = FindClassOrDie(env, "android/graphics/Point");
- gPointClassInfo.x = GetFieldIDOrDie(env, clazz, "x", "I");
- gPointClassInfo.y = GetFieldIDOrDie(env, clazz, "y", "I");
-
- return result;
-};
-
-};