| 20 | | namespace pdfcube { |
| 21 | | |
| 22 | | class app |
| 23 | | { |
| 24 | | public: |
| 25 | | |
| 26 | | app(const app&); |
| 27 | | app& operator=(const app&); |
| 28 | | |
| 29 | | /** @brief */ |
| 30 | | app() |
| 31 | | : the_doc_m(), |
| 32 | | the_stage_m(), |
| 33 | | filename_m(), |
| 34 | | progress_m(), |
| 35 | | progress_label_m(), |
| 36 | | current_page_m(), |
| 37 | | next_page_m(), |
| 38 | | current_page_no_m(0) |
| 39 | | { } |
| 40 | | |
| 41 | | bool init(int* argc, char** argv[]) |
| 42 | | { |
| 43 | | gchar **file_array; |
| 44 | | GOptionEntry options[] = { |
| 45 | | // TODO: add stage color/image and cube top color/image options |
| 46 | | { G_OPTION_REMAINING, |
| 47 | | 0, |
| 48 | | 0, |
| 49 | | G_OPTION_ARG_FILENAME_ARRAY, |
| 50 | | &file_array, |
| 51 | | "Presentation PDF file to load", |
| 52 | | "FILE" }, |
| 53 | | { 0, 0, 0, (GOptionArg)0, 0, 0, 0 } |
| 54 | | }; |
| 55 | | g_thread_init(NULL); |
| 56 | | clutter_threads_init(); |
| 57 | | clutter_init_with_args (argc, argv, "PDFCube 0.1.0", |
| 58 | | options, NULL, NULL); |
| 59 | | |
| 60 | | // FIXME |
| 61 | | if(file_array[0] == 0 || file_array[1] != 0) |
| 62 | | return false; |
| 63 | | filename_m = file_array[0]; |
| 64 | | g_print(_("File is: %s\n"), filename_m); |
| 65 | | |
| 66 | | ClutterColor stage_color; |
| 67 | | the_stage_m = clutter_stage_get_default(); |
| 68 | | clutter_actor_set_size(the_stage_m, 1024, 768); |
| 69 | | clutter_color_parse("Black", &stage_color); |
| 70 | | clutter_stage_set_color(CLUTTER_STAGE(the_stage_m), &stage_color); |
| 71 | | return true; |
| 72 | | } |
| 73 | | |
| 74 | | /** @brief Loads the PDF document. */ |
| 75 | | bool load() |
| 76 | | { |
| 77 | | // poppler needs an URI (e.g. file:///....) |
| 78 | | g_print(_("Loading %s...\n"), filename_m); |
| 79 | | PopplerDocument* active_document = |
| 80 | | poppler_document_new_from_file(filename_m, NULL, NULL); |
| 81 | | if(active_document == NULL) |
| 82 | | { |
| 83 | | g_print(_("PDF file %s cannot be opened," |
| 84 | | " check that it exists, permissions" |
| 85 | | " and that is \nnot encrypted.\n"), filename_m); |
| 86 | | return false; |
| 87 | | } |
| 88 | | g_print(_("Done.\n")); |
| 89 | | if(the_doc_m) delete the_doc_m; |
| 90 | | the_doc_m = new pdfcube::document(active_document); |
| 91 | | return true; |
| 92 | | } |
| 93 | | |
| 94 | | /** @brief Main application loop. */ |
| 95 | | void |
| 96 | | main_loop() |
| 97 | | { |
| 98 | | //clutter_stage_hide_cursor (CLUTTER_STAGE (stage)); |
| 99 | | ClutterColor label_color = { 0xff, 0xff, 0xff, 0x99 }; |
| 100 | | progress_label_m = |
| 101 | | clutter_text_new_full("Mono 36", "0%", &label_color); |
| 102 | | guint screen_w, screen_h; |
| 103 | | clutter_actor_get_size(CLUTTER_ACTOR(the_stage_m), |
| 104 | | &screen_w, &screen_h); |
| 105 | | clutter_actor_set_position(progress_label_m, |
| 106 | | screen_w>>1, screen_h>>1); |
| 107 | | clutter_actor_set_anchor_point_from_gravity(progress_label_m, |
| 108 | | CLUTTER_GRAVITY_CENTER); |
| 109 | | clutter_group_add_many(CLUTTER_GROUP(the_stage_m), |
| 110 | | progress_label_m, NULL); |
| 111 | | clutter_actor_show(the_stage_m); |
| 112 | | g_thread_create(render_thread, this, FALSE, NULL); |
| 113 | | |
| 114 | | clutter_threads_enter(); |
| 115 | | clutter_main(); |
| 116 | | clutter_threads_leave(); |
| 117 | | } |
| 118 | | |
| 119 | | /** @brief The document. */ |
| 120 | | document* the_doc_m; |
| 121 | | |
| 122 | | protected: |
| 123 | | ClutterActor* the_stage_m; |
| 124 | | gchar *filename_m; |
| 125 | | std::string progress_m; |
| 126 | | ClutterActor* progress_label_m; |
| 127 | | ClutterActor* current_page_m; |
| 128 | | ClutterActor* next_page_m; |
| 129 | | int current_page_no_m; |
| 130 | | |
| 131 | | static gboolean |
| 132 | | progress_indicator_update(gpointer data) |
| 133 | | { |
| 134 | | app* me = static_cast<app*>(data); |
| 135 | | guint screen_w, screen_h; |
| 136 | | clutter_actor_get_size(CLUTTER_ACTOR(me->the_stage_m), |
| 137 | | &screen_w, &screen_h); |
| 138 | | clutter_text_set_text(CLUTTER_TEXT(me->progress_label_m), |
| 139 | | me->progress_m.c_str()); |
| 140 | | clutter_actor_set_anchor_point_from_gravity(me->progress_label_m, |
| 141 | | CLUTTER_GRAVITY_CENTER); |
| 142 | | clutter_actor_set_position(me->progress_label_m, |
| 143 | | screen_w>>1, screen_h>>1); |
| 144 | | return FALSE; |
| 145 | | } |
| 146 | | |
| 147 | | static gboolean |
| 148 | | progress_indicator_end(gpointer data) |
| 149 | | { |
| 150 | | app* me = static_cast<app*>(data); |
| 151 | | clutter_group_remove(CLUTTER_GROUP(me->the_stage_m), |
| 152 | | me->progress_label_m); |
| 153 | | g_object_unref(me->progress_label_m); |
| 154 | | |
| 155 | | GError* error = 0; |
| 156 | | GdkPixbuf* buffer = me->the_doc_m->page(0).pixbuf(pdfcube::page::HI_RES); |
| 157 | | me->current_page_m = clutter_texture_new(); |
| 158 | | clutter_texture_set_filter_quality |
| 159 | | (CLUTTER_TEXTURE(me->current_page_m), |
| 160 | | CLUTTER_TEXTURE_QUALITY_HIGH); |
| 161 | | clutter_texture_set_from_rgb_data |
| 162 | | (CLUTTER_TEXTURE(me->current_page_m), |
| 163 | | gdk_pixbuf_get_pixels(buffer), |
| 164 | | gdk_pixbuf_get_has_alpha(buffer), |
| 165 | | gdk_pixbuf_get_width(buffer), |
| 166 | | gdk_pixbuf_get_height(buffer), |
| 167 | | gdk_pixbuf_get_rowstride(buffer), |
| 168 | | 4, (ClutterTextureFlags)0, |
| 169 | | &error); |
| 170 | | |
| 171 | | guint screen_w, screen_h; |
| 172 | | clutter_actor_get_size(CLUTTER_ACTOR(me->the_stage_m), |
| 173 | | &screen_w, &screen_h); |
| 174 | | |
| 175 | | |
| 176 | | // Check if our slot ratio is less or more than owr own |
| 177 | | double aspect = me->the_doc_m->page(0).aspect_ratio(); |
| 178 | | |
| 179 | | double w = 0.0, h = 0.0; |
| 180 | | if(screen_h > screen_w/aspect) |
| 181 | | { |
| 182 | | w = screen_w; |
| 183 | | h = w/aspect; |
| 184 | | } |
| 185 | | else |
| 186 | | { |
| 187 | | h = screen_h; |
| 188 | | w = h*aspect; |
| 189 | | } |
| 190 | | |
| 191 | | clutter_actor_set_size(me->current_page_m, w, h); |
| 192 | | clutter_group_add_many(CLUTTER_GROUP(me->the_stage_m), |
| 193 | | me->current_page_m, NULL); |
| 194 | | return FALSE; |
| 195 | | } |
| 196 | | |
| 197 | | static gpointer |
| 198 | | render_thread(gpointer data) |
| 199 | | { |
| 200 | | app* me = static_cast<app*>(data); |
| 201 | | std::cerr << me->filename_m << std::endl; |
| 202 | | me->load(); |
| 203 | | // ---------------------------------------------- |
| 204 | | // render low res version of all pages |
| 205 | | // ---------------------------------------------- |
| 206 | | for(int ii(0); ii != me->the_doc_m->n_pages(); ++ii) |
| 207 | | { |
| 208 | | me->the_doc_m->page(ii).render(pdfcube::page::LOW_RES); |
| 209 | | int percent = (100*(ii))/(me->the_doc_m->n_pages()+2); |
| 210 | | std::ostringstream pt; |
| 211 | | pt << percent << "%"; |
| 212 | | me->progress_m = pt.str(); |
| 213 | | clutter_threads_add_timeout(0, progress_indicator_update, data); |
| 214 | | } |
| 215 | | me->the_doc_m->page(0).render(pdfcube::page::HI_RES); |
| 216 | | int percent = (100*(me->the_doc_m->n_pages())) / |
| 217 | | (me->the_doc_m->n_pages()+2); |
| 218 | | std::ostringstream pt; |
| 219 | | pt << percent << "%"; |
| 220 | | me->progress_m = pt.str(); |
| 221 | | clutter_threads_add_timeout(0, progress_indicator_update, data); |
| 222 | | |
| 223 | | me->the_doc_m->page(1).render(pdfcube::page::HI_RES); |
| 224 | | me->progress_m = "100%"; |
| 225 | | clutter_threads_add_timeout(0, progress_indicator_update, data); |
| 226 | | clutter_threads_add_timeout(250, progress_indicator_end, data); |
| 227 | | return 0; |
| 228 | | } |
| 229 | | |
| 230 | | }; |
| 231 | | } |