Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/platform/java/jni/story.c @ 38:8934ac156ef5

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Allow to build with the PyPI package "clang" instead of "libclang". 1. It seems to be maintained. 2. In the FreeBSD base system there is no pre-built libclang.so. If you need this library you have to install llvm from ports additionally. 2. On FreeBSD there is no pre-built wheel "libclang" with a packaged libclang.so.
author Franz Glasner <fzglas.hg@dom66.de>
date Tue, 23 Sep 2025 10:27:15 +0200
parents b50eed0cc0ef
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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2
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1 // Copyright (C) 2004-2024 Artifex Software, Inc.
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2 //
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3 // This file is part of MuPDF.
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4 //
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5 // MuPDF is free software: you can redistribute it and/or modify it under the
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6 // terms of the GNU Affero General Public License as published by the Free
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7 // Software Foundation, either version 3 of the License, or (at your option)
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8 // any later version.
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9 //
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10 // MuPDF is distributed in the hope that it will be useful, but WITHOUT ANY
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11 // WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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12 // FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
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13 // details.
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14 //
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15 // You should have received a copy of the GNU Affero General Public License
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16 // along with MuPDF. If not, see <https://www.gnu.org/licenses/agpl-3.0.en.html>
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17 //
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18 // Alternative licensing terms are available from the licensor.
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19 // For commercial licensing, see <https://www.artifex.com/> or contact
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20 // Artifex Software, Inc., 39 Mesa Street, Suite 108A, San Francisco,
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21 // CA 94129, USA, for further information.
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23 /* Story interface */
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25 JNIEXPORT void JNICALL
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26 FUN(Story_finalize)(JNIEnv *env, jobject self)
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27 {
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28 fz_context *ctx = get_context(env);
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29 fz_story *story = from_Story_safe(env, self);
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30 if (!ctx || !story) return;
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31 (*env)->SetLongField(env, self, fid_Story_pointer, 0);
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32 fz_drop_story(ctx, story);
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33 }
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35 JNIEXPORT jlong JNICALL
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36 FUN(Story_newStory)(JNIEnv *env, jclass cls, jbyteArray content, jbyteArray css, float em, jobject jarch)
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37 {
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38 fz_context *ctx = get_context(env);
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39 int content_len, css_len;
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40 jbyte *content_bytes = NULL;
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41 jbyte *css_bytes = NULL;
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42 fz_story *story = NULL;
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43 fz_buffer *content_buf = NULL;
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44 fz_buffer *css_buf = NULL;
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45 fz_archive *arch = from_Archive(env, jarch);
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46
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47 if (!ctx) return 0;
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48
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49 if (content)
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50 {
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51 content_len = (*env)->GetArrayLength(env, content);
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52 content_bytes = (*env)->GetByteArrayElements(env, content, NULL);
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53 }
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54 else
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55 {
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56 content_len = 0;
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57 content_bytes = NULL;
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58 }
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59 if (css)
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60 {
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61 css_len = (*env)->GetArrayLength(env, css);
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62 css_bytes = (*env)->GetByteArrayElements(env, css, NULL);
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63 }
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64 else
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65 {
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66 css_len = 0;
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67 css_bytes = NULL;
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68 }
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69
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70 fz_var(content_buf);
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71 fz_var(css_buf);
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72 fz_var(story);
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73
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74 fz_try(ctx)
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75 {
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76 content_buf = fz_new_buffer_from_copied_data(ctx, (const unsigned char *)content_bytes, content_len);
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77 css_buf = fz_new_buffer_from_copied_data(ctx, (const unsigned char *)css_bytes, css_len);
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78 fz_terminate_buffer(ctx, css_buf);
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79
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80 story = fz_new_story(ctx, content_buf, (const char *)css_buf->data, em, arch);
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81 }
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82 fz_always(ctx)
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83 {
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84 fz_drop_buffer(ctx, content_buf);
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85 }
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86 fz_catch(ctx)
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87 {
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88 jni_rethrow(env, ctx);
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89 }
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90
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91 return jlong_cast(story);
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92 }
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93
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94 JNIEXPORT jint JNICALL
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95 FUN(Story_place)(JNIEnv *env, jobject self, jobject jrect, jobject jfilled, jint flags)
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96 {
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97 fz_context *ctx = get_context(env);
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98 fz_story *story = from_Story_safe(env, self);
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99 fz_rect rect = from_Rect(env, jrect);
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100 fz_rect filled = fz_empty_rect;
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101 int more;
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102
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103 fz_try(ctx)
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104 {
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105 more = fz_place_story_flags(ctx, story, rect, &filled, flags);
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106
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107 (*env)->SetFloatField(env, jfilled, fid_Rect_x0, filled.x0);
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108 (*env)->SetFloatField(env, jfilled, fid_Rect_x1, filled.x1);
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109 (*env)->SetFloatField(env, jfilled, fid_Rect_y0, filled.y0);
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110 (*env)->SetFloatField(env, jfilled, fid_Rect_y1, filled.y1);
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111 }
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112 fz_catch(ctx)
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113 jni_rethrow(env, ctx);
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114
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115 return more;
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116 }
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117
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118 JNIEXPORT void JNICALL
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119 FUN(Story_draw)(JNIEnv *env, jobject self, jobject jdev, jobject jctm)
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120 {
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121 fz_context *ctx = get_context(env);
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122 fz_story *story = from_Story_safe(env, self);
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123 fz_device *dev = from_Device(env, jdev);
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124 fz_matrix ctm = from_Matrix(env, jctm);
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125 NativeDeviceInfo *info;
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126 int err;
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127
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128 if (!ctx || !story) return;
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129 if (!dev) jni_throw_arg_void(env, "device must not be null");
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130
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131 info = lockNativeDevice(env, jdev, &err);
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132 if (err)
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133 return;
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134 fz_try(ctx)
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135 fz_draw_story(ctx, story, dev, ctm);
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136 fz_always(ctx)
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137 unlockNativeDevice(env, info);
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parents:
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138 fz_catch(ctx)
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parents:
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139 jni_rethrow_void(env, ctx);
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140 }
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parents:
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141
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142 JNIEXPORT jobject JNICALL
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143 FUN(Story_document)(JNIEnv *env, jobject self)
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parents:
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144 {
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parents:
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145 fz_context *ctx = get_context(env);
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parents:
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146 fz_story *story = from_Story_safe(env, self);
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parents:
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147
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148 return to_DOM_safe(ctx, env, fz_story_document(ctx, story));
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149 }