diff options
| -rw-r--r-- | zathura-note/note.c | 257 |
1 files changed, 214 insertions, 43 deletions
diff --git a/zathura-note/note.c b/zathura-note/note.c index a82ef7d..6148464 100644 --- a/zathura-note/note.c +++ b/zathura-note/note.c @@ -330,7 +330,7 @@ static float plist_page_ratio(plist_t objects) static float plist_page_width(plist_t objects) { - char *class = 0; + const char *class = 0; size_t class_length = 0; plist_access(objects, 6, SESSION_OBJECTS_GLOBAL_TEXT_STORE, "reflowState", "$class", "$classname", &class, &class_length); @@ -339,7 +339,7 @@ static float plist_page_width(plist_t objects) if (!memcmp(class, "NBReflowStateReflowable", class_length)) { fprintf(stderr, - "Warning: This document is reflowable, which isn't really supported right now. You can lock the reflow state by drawing some lines onto the document (I think)\n"); + "Warning: The global text store is reflowable, which isn't really supported right now. You can lock the reflow state by drawing some lines onto the document (I think)\n"); } else if (!memcmp(class, "NBReflowStateLocked", class_length)) { // That's how I like it plist_access(objects, 4, SESSION_OBJECTS_GLOBAL_TEXT_STORE, "reflowState", "pageWidthInDocumentCoordsKey", &val); @@ -547,21 +547,25 @@ GIRARA_HIDDEN zathura_error_t note_page_clear(zathura_page_t *page, void *data) return ZATHURA_ERROR_OK; } -static void note_page_render_image_object(note_page_t *page, plist_t objects, int index) +static void note_page_render_image_object(note_page_t *page, int index) { + note_document_t *note_document = + zathura_document_get_data(zathura_page_get_document(page->page)); + plist_t objects = note_document->objects; + char missing = 0; plist_access(objects, 6, index, "figure", "FigureBackgroundObjectKey", "kImageObjectSnapshotKey", "imageIsMissing", &missing); if (missing) return; - char *position = 0; + const char *position = 0; size_t position_length = 0; plist_access(objects, 4, index, "documentContentOrigin", &position, &position_length); float x, y; plist_string_to_floats(position, &x, &y); - char *size = 0; + const char *size = 0; size_t size_length = 0; plist_access(objects, 4, index, "unscaledContentSize", &size, &size_length); float width, height; @@ -570,7 +574,7 @@ static void note_page_render_image_object(note_page_t *page, plist_t objects, in if (y < page->start || y + height > page->end) return; - char *path = 0; + const char *path = 0; size_t path_length = 0; plist_access(objects, 7, index, "figure", "FigureBackgroundObjectKey", "kImageObjectSnapshotKey", "relativePath", &path, &path_length); @@ -579,8 +583,6 @@ static void note_page_render_image_object(note_page_t *page, plist_t objects, in plist_access(objects, 6, index, "figure", "FigureBackgroundObjectKey", "kImageObjectSnapshotKey", "saveAsJPEG", &is_jpeg); - note_document_t *note_document = - zathura_document_get_data(zathura_page_get_document(page->page)); zip_t *zip = note_document->zip; void *data; size_t length; @@ -611,42 +613,202 @@ static void note_page_render_image_object(note_page_t *page, plist_t objects, in cairo_surface_destroy(surface); } -static void note_page_render_text_store(note_page_t *page, plist_t objects, int index, float x, - float y, float width, float height) +static void note_page_render_text_range_extract_range(plist_t objects, int range, int *start, + int *end) { - char *keys[2] = { 0 }; - size_t key_length[2] = { 0 }; - plist_access(objects, 6, index, "attributedString", "NS.keys", 0, &keys[0], &key_length[0]); - plist_access(objects, 6, index, "attributedString", "NS.keys", 1, &keys[1], &key_length[1]); - - int text_index = 0; - if (!memcmp(keys[0], "stringKey", key_length[0])) { - text_index = 0; - } else if (!memcmp(keys[1], "stringKey", key_length[1])) { - text_index = 1; - } else { - fprintf(stderr, "Missing string key in text store, please report\n"); - return; + const char *range_string = 0; + size_t range_length = 0; + plist_access(objects, 3, range, &range_string, &range_length); + float start_float, end_float; + plist_string_to_floats(range_string, &start_float, &end_float); + *start = (int)start_float; + *end = *start + (int)end_float; +} + +static void note_page_render_text_range_extract_font(plist_t objects, int font, + const char **font_name, int *font_size) +{ + double floating_font_size = 0; + plist_t font_keys = plist_access(objects, 2, font, "NS.keys"); + plist_array_iter font_iter; + plist_array_new_iter(font_keys, &font_iter); + int font_index = 0; + while (1) { + plist_t key_ptr; + plist_array_next_item(font_keys, font_iter, &key_ptr); + if (!key_ptr) + break; + + size_t key_index; + plist_get_uid_val(key_ptr, &key_index); + + const char *key = 0; + size_t key_length = 0; + plist_access(objects, 3, key_index, &key, &key_length); + if (!key) + continue; + + if (!memcmp(key, "NSFontSizeAttribute", key_length)) { + plist_access(objects, 4, font, "NS.objects", font_index, + &floating_font_size); + } else if (!memcmp(key, "NSFontNameAttribute", key_length)) { + size_t font_length; // idc, is 0-delimited anyways (I hope) + plist_access(objects, 5, font, "NS.objects", font_index, font_name, + &font_length); + } else { + fprintf(stderr, "Unknown font attribute '%.*s', please report\n", + (int)key_length, key); + } + + font_index++; } - char *text = 0; - size_t text_length = 0; - plist_access(objects, 6, index, "attributedString", "NS.objects", text_index, &text, - &text_length); + *font_size = (int)floating_font_size; +} - cairo_move_to(page->cairo, x, y - page->start); - cairo_show_text(page->cairo, text); +static void note_page_render_text_range_extract_color(plist_t objects, int color, double *red, + double *green, double *blue, double *alpha) +{ + plist_access(objects, 3, color, "UIRed", red); + plist_access(objects, 3, color, "UIGreen", green); + plist_access(objects, 3, color, "UIBlue", blue); + plist_access(objects, 3, color, "UIAlpha", alpha); } -static void note_page_render_text_object(note_page_t *page, plist_t objects, int index) +static int note_page_render_text_sub_range(note_page_t *page, const char *data, int range, int font, + int other_attributes, int color, float x, float y) { - char *position = 0; + note_document_t *note_document = + zathura_document_get_data(zathura_page_get_document(page->page)); + plist_t objects = note_document->objects; + + int start, end; + note_page_render_text_range_extract_range(objects, range, &start, &end); + + const char *font_name = 0; + int font_size = 0; + note_page_render_text_range_extract_font(objects, font, &font_name, &font_size); + + // TODO: Extract line-spacing, boldness, underline, etc. from other_attributes + (void)other_attributes; + + double red, green, blue, alpha; + note_page_render_text_range_extract_color(objects, color, &red, &green, &blue, &alpha); + + PangoFontDescription *description = pango_font_description_new(); + pango_font_description_set_absolute_size(description, font_size * PANGO_SCALE); // TODO: ? + pango_font_description_set_family_static(description, font_name); + + PangoLayout *layout = pango_cairo_create_layout(page->cairo); + pango_layout_set_font_description(layout, description); + pango_layout_set_text(layout, data + start, end - start); + + cairo_move_to(page->cairo, x, y - page->start + font_size / 2); + cairo_set_source_rgb(page->cairo, red, green, blue); + pango_cairo_show_layout(page->cairo, layout); + + int height = pango_layout_get_line_count(layout) * font_size; + + pango_font_description_free(description); + g_object_unref(layout); + + return height; +} + +static void note_page_render_text_store(note_page_t *page, int index, float x, float y, float width, + float height) +{ + note_document_t *note_document = + zathura_document_get_data(zathura_page_get_document(page->page)); + plist_t objects = note_document->objects; + + const char *data = 0; + size_t data_length = 0; + plist_access(objects, 8, index, "NBAttributedBackingString", // TODO: Don't assume 0/1? + "NBAttributedBackingStringCodingKey", "NS.objects", 0, "NS.bytes", &data, + &data_length); + if (!data || !data_length) + return; + + plist_t array = + plist_access(objects, 6, index, "NBAttributedBackingString", + "NBAttributedBackingStringCodingKey", "NS.objects", 1, "NS.objects"); + if (!PLIST_IS_ARRAY(array)) + return; + + plist_array_iter iter; + plist_array_new_iter(array, &iter); + while (1) { + plist_t val; + plist_array_next_item(array, iter, &val); + if (!val) + break; + + size_t elem_index; + plist_get_uid_val(val, &elem_index); + + plist_t keys = plist_access(objects, 2, elem_index, "NS.keys"); + if (!PLIST_IS_ARRAY(keys)) + continue; + + int color_cross_platform, range, font, other_attributes, color; + + int index = 0; + plist_array_iter key_iter; + plist_array_new_iter(keys, &key_iter); + while (1) { + plist_t key_ptr; + plist_array_next_item(keys, key_iter, &key_ptr); + if (!key_ptr) + break; + + size_t key_index; + plist_get_uid_val(key_ptr, &key_index); + + const char *key = 0; + size_t key_length = 0; + plist_access(objects, 3, key_index, &key, &key_length); + if (!key) + continue; + + plist_t object = + plist_access(objects, 3, elem_index, "NS.objects", index++); + int object_index = plist_array_get_item_index(object); + + if (!memcmp(key, "subRangeColorCrossPlatformKey", key_length)) + continue; // Seems irrelevant (always like "0.0,0.0,0.0,1.0") + else if (!memcmp(key, "subRangeRangeKey", key_length)) + range = object_index; + else if (!memcmp(key, "subRangeFontKey", key_length)) + font = object_index; + else if (!memcmp(key, "subRangeOtherAttributesKey", key_length)) + other_attributes = object_index; + else if (!memcmp(key, "subRangeColorKey", key_length)) + color = object_index; + else + fprintf(stderr, + "Unknown text sub range key '%.*s', please report\n", + (int)key_length, key); + } + + y += note_page_render_text_sub_range(page, data, range, font, other_attributes, + color, x, y); + } +} + +static void note_page_render_text_object(note_page_t *page, int index) +{ + note_document_t *note_document = + zathura_document_get_data(zathura_page_get_document(page->page)); + plist_t objects = note_document->objects; + + const char *position = 0; size_t position_length = 0; plist_access(objects, 4, index, "documentContentOrigin", &position, &position_length); float x, y; plist_string_to_floats(position, &x, &y); - char *size = 0; + const char *size = 0; size_t size_length = 0; plist_access(objects, 4, index, "unscaledContentSize", &size, &size_length); float width, height; @@ -657,20 +819,24 @@ static void note_page_render_text_object(note_page_t *page, plist_t objects, int plist_t text_store = plist_access(objects, 2, index, "textStore"); - note_page_render_text_store(page, objects, plist_array_get_item_index(text_store), x, y, - width, height); + note_page_render_text_store(page, plist_array_get_item_index(text_store), x, y, width, + height); } -static void note_page_render_object(note_page_t *page, plist_t objects, int index) +static void note_page_render_object(note_page_t *page, int index) { - char *class = 0; + note_document_t *note_document = + zathura_document_get_data(zathura_page_get_document(page->page)); + plist_t objects = note_document->objects; + + const char *class = 0; size_t class_length = 0; plist_access(objects, 5, index, "$class", "$classname", &class, &class_length); if (!memcmp(class, "ImageMediaObject", class_length)) { - note_page_render_image_object(page, objects, index); + note_page_render_image_object(page, index); } else if (!memcmp(class, "TextBlockMediaObject", class_length)) { - note_page_render_text_object(page, objects, index); + note_page_render_text_object(page, index); } else { fprintf(stderr, "Unknown media object type '%.*s', please report\n", (int)class_length, class); @@ -678,11 +844,16 @@ static void note_page_render_object(note_page_t *page, plist_t objects, int inde } // It doesn't really matter if something in here fails -static void note_page_render_objects(note_page_t *page, plist_t objects) +static void note_page_render_objects(note_page_t *page) { + note_document_t *note_document = + zathura_document_get_data(zathura_page_get_document(page->page)); + plist_t objects = note_document->objects; + // Render the global text object - note_page_render_text_store(page, objects, SESSION_OBJECTS_GLOBAL_TEXT_STORE, 0, 0, - zathura_page_get_width(page), zathura_page_get_height(page)); + note_page_render_text_store(page, SESSION_OBJECTS_GLOBAL_TEXT_STORE, 0, 0, + zathura_page_get_width(page->page), + zathura_page_get_height(page->page)); plist_t objects_array = plist_access(objects, 3, SESSION_OBJECTS_GLOBAL_TEXT_STORE, "mediaObjects", "NS.objects"); @@ -697,7 +868,7 @@ static void note_page_render_objects(note_page_t *page, plist_t objects) size_t index; plist_get_uid_val(val, &index); - note_page_render_object(page, objects, index); + note_page_render_object(page, index); } } @@ -712,7 +883,7 @@ GIRARA_HIDDEN zathura_error_t note_page_render_cairo(zathura_page_t *page, void note_page->cairo = cairo; // Render all media objects (images, ...) - note_page_render_objects(note_page, note_document->objects); + note_page_render_objects(note_page); plist_t overlay = plist_handwriting_overlay(note_document->objects); if (!overlay) |