Mercurial > hgrepos > Python2 > PyMuPDF

comparison mupdf-source/platform/java/jni/displaylist.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) 2004-2025 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 /* DisplayList interface */
24
25 JNIEXPORT jlong JNICALL
26 FUN(DisplayList_newNative)(JNIEnv *env, jobject self, jobject jmediabox)
27 {
28 fz_context *ctx = get_context(env);
29 fz_rect mediabox = from_Rect(env, jmediabox);
30
31 fz_display_list *list = NULL;
32
33 if (!ctx) return 0;
34
35 fz_try(ctx)
36 list = fz_new_display_list(ctx, mediabox);
37 fz_catch(ctx)
38 jni_rethrow(env, ctx);
39
40 return jlong_cast(list);
41 }
42
43 JNIEXPORT void JNICALL
44 FUN(DisplayList_run)(JNIEnv *env, jobject self, jobject jdev, jobject jctm, jobject jrect, jobject jcookie)
45 {
46 fz_context *ctx = get_context(env);
47 fz_display_list *list = from_DisplayList(env, self);
48 fz_device *dev = from_Device(env, jdev);
49 fz_matrix ctm = from_Matrix(env, jctm);
50 fz_cookie *cookie = from_Cookie(env, jcookie);
51 NativeDeviceInfo *info;
52 fz_rect rect;
53 int err;
54
55 if (!ctx || !list) return;
56 if (!dev) jni_throw_arg_void(env, "device must not be null");
57
58 /* Use a scissor rectangle if one is supplied */
59 if (jrect)
60 rect = from_Rect(env, jrect);
61 else
62 rect = fz_infinite_rect;
63
64 info = lockNativeDevice(env, jdev, &err);
65 if (err)
66 return;
67 fz_try(ctx)
68 fz_run_display_list(ctx, list, dev, ctm, rect, cookie);
69 fz_always(ctx)
70 unlockNativeDevice(env, info);
71 fz_catch(ctx)
72 jni_rethrow_void(env, ctx);
73 }
74
75 JNIEXPORT void JNICALL
76 FUN(DisplayList_finalize)(JNIEnv *env, jobject self)
77 {
78 fz_context *ctx = get_context(env);
79 fz_display_list *list = from_DisplayList_safe(env, self);
80 if (!ctx || !list) return;
81 (*env)->SetLongField(env, self, fid_DisplayList_pointer, 0);
82 fz_drop_display_list(ctx, list);
83 }
84
85 JNIEXPORT jobject JNICALL
86 FUN(DisplayList_toPixmap)(JNIEnv *env, jobject self, jobject jctm, jobject jcs, jboolean alpha)
87 {
88 fz_context *ctx = get_context(env);
89 fz_display_list *list = from_DisplayList(env, self);
90 fz_matrix ctm = from_Matrix(env, jctm);
91 fz_colorspace *cs = from_ColorSpace(env, jcs);
92 fz_pixmap *pixmap = NULL;
93
94 if (!ctx || !list) return NULL;
95
96 fz_try(ctx)
97 pixmap = fz_new_pixmap_from_display_list(ctx, list, ctm, cs, alpha);
98 fz_catch(ctx)
99 jni_rethrow(env, ctx);
100
101 return to_Pixmap_safe_own(ctx, env, pixmap);
102 }
103
104 JNIEXPORT jobject JNICALL
105 FUN(DisplayList_toStructuredText)(JNIEnv *env, jobject self, jstring joptions)
106 {
107 fz_context *ctx = get_context(env);
108 fz_display_list *list = from_DisplayList(env, self);
109 fz_stext_page *text = NULL;
110 const char *options= NULL;
111 fz_stext_options opts;
112
113 if (!ctx || !list) return NULL;
114
115 if (joptions)
116 {
117 options = (*env)->GetStringUTFChars(env, joptions, NULL);
118 if (!options) return NULL;
119 }
120
121 fz_try(ctx)
122 {
123 fz_parse_stext_options(ctx, &opts, options);
124 text = fz_new_stext_page_from_display_list(ctx, list, &opts);
125 }
126 fz_always(ctx)
127 {
128 if (options)
129 (*env)->ReleaseStringUTFChars(env, joptions, options);
130 }
131 fz_catch(ctx)
132 jni_rethrow(env, ctx);
133
134 return to_StructuredText_safe_own(ctx, env, text);
135 }
136
137 JNIEXPORT jobjectArray JNICALL
138 FUN(DisplayList_search)(JNIEnv *env, jobject self, jstring jneedle)
139 {
140 fz_context *ctx = get_context(env);
141 fz_display_list *list = from_DisplayList(env, self);
142 const char *needle = NULL;
143 search_state state = { env, NULL, 0 };
144 jobject jsample = NULL;
145
146 if (!ctx || !list) return NULL;
147 if (!jneedle) jni_throw_arg(env, "needle must not be null");
148
149 needle = (*env)->GetStringUTFChars(env, jneedle, NULL);
150 if (!needle) return NULL;
151
152 state.hits = (*env)->NewObject(env, cls_ArrayList, mid_ArrayList_init);
153 if (!state.hits || (*env)->ExceptionCheck(env)) return NULL;
154
155 fz_try(ctx)
156 fz_search_display_list_cb(ctx, list, needle, hit_callback, &state);
157 fz_always(ctx)
158 {
159 (*env)->ReleaseStringUTFChars(env, jneedle, needle);
160 }
161 fz_catch(ctx)
162 jni_rethrow(env, ctx);
163
164 if (state.error)
165 return NULL;
166
167 jsample = (*env)->NewObjectArray(env, 0, cls_ArrayOfQuad, NULL);
168 return (*env)->CallObjectMethod(env, state.hits, mid_ArrayList_toArray, jsample);
169 }
170
171 JNIEXPORT jobject JNICALL
172 FUN(DisplayList_getBounds)(JNIEnv *env, jobject self)
173 {
174 fz_context *ctx = get_context(env);
175 fz_display_list *list = from_DisplayList(env, self);
176 fz_rect bounds;
177
178 if (!ctx || !list) return NULL;
179
180 fz_try(ctx)
181 bounds = fz_bound_display_list(ctx, list);
182 fz_catch(ctx)
183 jni_rethrow(env, ctx);
184
185 return to_Rect(ctx, env, bounds);
186 }
187
188 JNIEXPORT jobject JNICALL
189 FUN(DisplayList_decodeBarcode)(JNIEnv *env, jobject self, jobject jsubarea, jfloat rotate)
190 {
191 fz_context *ctx = get_context(env);
192 fz_display_list *list = from_DisplayList(env, self);
193 fz_rect subarea = from_Rect(env, jsubarea);
194 fz_barcode_type type = FZ_BARCODE_NONE;
195 char *contents = NULL;
196 jobject jcontents;
197 jobject jbarcodeinfo;
198
199 if (!ctx || !list)
200 return NULL;
201
202 fz_try(ctx)
203 contents = fz_decode_barcode_from_display_list(ctx, &type, list, subarea, rotate);
204 fz_catch(ctx)
205 jni_rethrow(env, ctx);
206
207 jcontents = (*env)->NewStringUTF(env, contents);
208 fz_free(ctx, contents);
209 if (!jcontents || (*env)->ExceptionCheck(env))
210 return NULL;
211
212 jbarcodeinfo = (*env)->NewObject(env, cls_BarcodeInfo, mid_BarcodeInfo_init, type, jcontents);
213 if (!jbarcodeinfo || (*env)->ExceptionCheck(env))
214 return NULL;
215
216 return jbarcodeinfo;
217 }