Mercurial > hgrepos > Python2 > PyMuPDF

comparison mupdf-source/platform/java/jni/android/androidimage.c @ 2:b50eed0cc0ef upstream

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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4. The directory name has changed: no version number in the expanded directory now.
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 15 Sep 2025 11:43:07 +0200
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1:1d09e1dec1d9 2:b50eed0cc0ef
1 // Copyright (C) 2004-2021 Artifex Software, Inc.
2 //
3 // This file is part of MuPDF.
4 //
5 // MuPDF is free software: you can redistribute it and/or modify it under the
6 // terms of the GNU Affero General Public License as published by the Free
7 // Software Foundation, either version 3 of the License, or (at your option)
8 // any later version.
9 //
10 // MuPDF is distributed in the hope that it will be useful, but WITHOUT ANY
11 // WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
12 // FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
13 // details.
14 //
15 // You should have received a copy of the GNU Affero General Public License
16 // along with MuPDF. If not, see <https://www.gnu.org/licenses/agpl-3.0.en.html>
17 //
18 // Alternative licensing terms are available from the licensor.
19 // For commercial licensing, see <https://www.artifex.com/> or contact
20 // Artifex Software, Inc., 39 Mesa Street, Suite 108A, San Francisco,
21 // CA 94129, USA, for further information.
22
23 /* AndroidImage interface */
24
25 JNIEXPORT jlong JNICALL
26 FUN(AndroidImage_newImageFromBitmap)(JNIEnv *env, jobject self, jobject jbitmap, jlong jmask)
27 {
28 fz_context *ctx = get_context(env);
29 fz_image *mask = CAST(fz_image *, jmask);
30 fz_image *image = NULL;
31 fz_pixmap *pixmap = NULL;
32 AndroidBitmapInfo info;
33 void *pixels;
34 int ret;
35
36 if (!ctx) return 0;
37 if (!jbitmap) jni_throw_arg(env, "bitmap must not be null");
38
39 if (mask && mask->mask)
40 jni_throw_run(env, "new Image failed as mask cannot be masked");
41 if ((ret = AndroidBitmap_getInfo(env, jbitmap, &info)) != ANDROID_BITMAP_RESULT_SUCCESS)
42 jni_throw_run(env, "new Image failed to get bitmap info");
43 if (info.format != ANDROID_BITMAP_FORMAT_RGBA_8888)
44 jni_throw_run(env, "new Image failed as bitmap format is not RGBA_8888");
45 if (info.stride != info.width)
46 jni_throw_run(env, "new Image failed as bitmap width != stride");
47
48 fz_var(pixmap);
49
50 fz_try(ctx)
51 {
52 int ret;
53 int phase = 0;
54 size_t size = info.width * info.height * 4;
55 pixmap = fz_new_pixmap(ctx, fz_device_rgb(ctx), info.width, info.height, NULL, 1);
56 while (1)
57 {
58 ret = AndroidBitmap_lockPixels(env, jbitmap, (void **)&pixels);
59 if (ret == ANDROID_BITMAP_RESULT_SUCCESS)
60 break;
61 if (!fz_store_scavenge_external(ctx, size, &phase))
62 break; /* Failed to free any */
63 }
64 if (ret != ANDROID_BITMAP_RESULT_SUCCESS)
65 fz_throw(ctx, FZ_ERROR_GENERIC, "bitmap lock failed in new Image");
66 memcpy(pixmap->samples, pixels, info.width * info.height * 4);
67 if (AndroidBitmap_unlockPixels(env, jbitmap) != ANDROID_BITMAP_RESULT_SUCCESS)
68 fz_throw(ctx, FZ_ERROR_GENERIC, "Bitmap unlock failed in new Image");
69 image = fz_new_image_from_pixmap(ctx, fz_keep_pixmap(ctx, pixmap), fz_keep_image(ctx, mask));
70 }
71 fz_always(ctx)
72 fz_drop_pixmap(ctx, pixmap);
73 fz_catch(ctx)
74 jni_rethrow(env, ctx);
75
76 return jlong_cast(image);
77 }