Mercurial > hgrepos > Python2 > PyMuPDF

comparison mupdf-source/platform/java/jni/story.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) 2004-2024 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 /* Story interface */
24
25 JNIEXPORT void JNICALL
26 FUN(Story_finalize)(JNIEnv *env, jobject self)
27 {
28 fz_context *ctx = get_context(env);
29 fz_story *story = from_Story_safe(env, self);
30 if (!ctx || !story) return;
31 (*env)->SetLongField(env, self, fid_Story_pointer, 0);
32 fz_drop_story(ctx, story);
33 }
34
35 JNIEXPORT jlong JNICALL
36 FUN(Story_newStory)(JNIEnv *env, jclass cls, jbyteArray content, jbyteArray css, float em, jobject jarch)
37 {
38 fz_context *ctx = get_context(env);
39 int content_len, css_len;
40 jbyte *content_bytes = NULL;
41 jbyte *css_bytes = NULL;
42 fz_story *story = NULL;
43 fz_buffer *content_buf = NULL;
44 fz_buffer *css_buf = NULL;
45 fz_archive *arch = from_Archive(env, jarch);
46
47 if (!ctx) return 0;
48
49 if (content)
50 {
51 content_len = (*env)->GetArrayLength(env, content);
52 content_bytes = (*env)->GetByteArrayElements(env, content, NULL);
53 }
54 else
55 {
56 content_len = 0;
57 content_bytes = NULL;
58 }
59 if (css)
60 {
61 css_len = (*env)->GetArrayLength(env, css);
62 css_bytes = (*env)->GetByteArrayElements(env, css, NULL);
63 }
64 else
65 {
66 css_len = 0;
67 css_bytes = NULL;
68 }
69
70 fz_var(content_buf);
71 fz_var(css_buf);
72 fz_var(story);
73
74 fz_try(ctx)
75 {
76 content_buf = fz_new_buffer_from_copied_data(ctx, (const unsigned char *)content_bytes, content_len);
77 css_buf = fz_new_buffer_from_copied_data(ctx, (const unsigned char *)css_bytes, css_len);
78 fz_terminate_buffer(ctx, css_buf);
79
80 story = fz_new_story(ctx, content_buf, (const char *)css_buf->data, em, arch);
81 }
82 fz_always(ctx)
83 {
84 fz_drop_buffer(ctx, content_buf);
85 }
86 fz_catch(ctx)
87 {
88 jni_rethrow(env, ctx);
89 }
90
91 return jlong_cast(story);
92 }
93
94 JNIEXPORT jint JNICALL
95 FUN(Story_place)(JNIEnv *env, jobject self, jobject jrect, jobject jfilled, jint flags)
96 {
97 fz_context *ctx = get_context(env);
98 fz_story *story = from_Story_safe(env, self);
99 fz_rect rect = from_Rect(env, jrect);
100 fz_rect filled = fz_empty_rect;
101 int more;
102
103 fz_try(ctx)
104 {
105 more = fz_place_story_flags(ctx, story, rect, &filled, flags);
106
107 (*env)->SetFloatField(env, jfilled, fid_Rect_x0, filled.x0);
108 (*env)->SetFloatField(env, jfilled, fid_Rect_x1, filled.x1);
109 (*env)->SetFloatField(env, jfilled, fid_Rect_y0, filled.y0);
110 (*env)->SetFloatField(env, jfilled, fid_Rect_y1, filled.y1);
111 }
112 fz_catch(ctx)
113 jni_rethrow(env, ctx);
114
115 return more;
116 }
117
118 JNIEXPORT void JNICALL
119 FUN(Story_draw)(JNIEnv *env, jobject self, jobject jdev, jobject jctm)
120 {
121 fz_context *ctx = get_context(env);
122 fz_story *story = from_Story_safe(env, self);
123 fz_device *dev = from_Device(env, jdev);
124 fz_matrix ctm = from_Matrix(env, jctm);
125 NativeDeviceInfo *info;
126 int err;
127
128 if (!ctx || !story) return;
129 if (!dev) jni_throw_arg_void(env, "device must not be null");
130
131 info = lockNativeDevice(env, jdev, &err);
132 if (err)
133 return;
134 fz_try(ctx)
135 fz_draw_story(ctx, story, dev, ctm);
136 fz_always(ctx)
137 unlockNativeDevice(env, info);
138 fz_catch(ctx)
139 jni_rethrow_void(env, ctx);
140 }
141
142 JNIEXPORT jobject JNICALL
143 FUN(Story_document)(JNIEnv *env, jobject self)
144 {
145 fz_context *ctx = get_context(env);
146 fz_story *story = from_Story_safe(env, self);
147
148 return to_DOM_safe(ctx, env, fz_story_document(ctx, story));
149 }