void pdfapp_inverthit(pdfapp_t *app) { fz_bbox hitbox, bbox; fz_matrix ctm; int i; if (app->hit < 0) return; hitbox = fz_empty_bbox; ctm = pdfapp_viewctm(app); for (i = app->hit; i < app->hit + app->hitlen; i++) { bbox = bboxcharat(app->page_text, i); if (fz_is_empty_rect(bbox)) { if (!fz_is_empty_rect(hitbox)) pdfapp_invert(app, fz_transform_bbox(ctm, hitbox)); hitbox = fz_empty_bbox; } else { hitbox = fz_union_bbox(hitbox, bbox); } } if (!fz_is_empty_rect(hitbox)) pdfapp_invert(app, fz_transform_bbox(ctm, hitbox)); }
JNIEXPORT jobjectArray JNICALL Java_com_artifex_mupdf_MuPDFCore_searchPage(JNIEnv * env, jobject thiz, jstring jtext) { jclass rectClass; jmethodID ctor; jobjectArray arr; jobject rect; fz_text_sheet *sheet = NULL; fz_text_page *text = NULL; fz_device *dev = NULL; float zoom; fz_matrix ctm; int pos; int len; int i, n; int hit_count = 0; const char *str; page_cache *pc = &pages[current]; rectClass = (*env)->FindClass(env, "android/graphics/RectF"); if (rectClass == NULL) return NULL; ctor = (*env)->GetMethodID(env, rectClass, "<init>", "(FFFF)V"); if (ctor == NULL) return NULL; str = (*env)->GetStringUTFChars(env, jtext, NULL); if (str == NULL) return NULL; fz_var(sheet); fz_var(text); fz_var(dev); fz_try(ctx) { fz_rect rect; if (hit_bbox == NULL) hit_bbox = fz_malloc_array(ctx, MAX_SEARCH_HITS, sizeof(*hit_bbox)); zoom = resolution / 72; ctm = fz_scale(zoom, zoom); rect = fz_transform_rect(ctm, pc->media_box); sheet = fz_new_text_sheet(ctx); text = fz_new_text_page(ctx, rect); dev = fz_new_text_device(ctx, sheet, text); fz_run_page(doc, pc->page, dev, ctm, NULL); fz_free_device(dev); dev = NULL; len = textlen(text); for (pos = 0; pos < len; pos++) { fz_bbox rr = fz_empty_bbox; n = match(text, str, pos); for (i = 0; i < n; i++) rr = fz_union_bbox(rr, bboxcharat(text, pos + i)); if (!fz_is_empty_bbox(rr) && hit_count < MAX_SEARCH_HITS) hit_bbox[hit_count++] = rr; } } fz_always(ctx) { fz_free_text_page(ctx, text); fz_free_text_sheet(ctx, sheet); fz_free_device(dev); } fz_catch(ctx) { jclass cls; (*env)->ReleaseStringUTFChars(env, jtext, str); cls = (*env)->FindClass(env, "java/lang/OutOfMemoryError"); if (cls != NULL) (*env)->ThrowNew(env, cls, "Out of memory in MuPDFCore_searchPage"); (*env)->DeleteLocalRef(env, cls); return NULL; } (*env)->ReleaseStringUTFChars(env, jtext, str); arr = (*env)->NewObjectArray(env, hit_count, rectClass, NULL); if (arr == NULL) return NULL; for (i = 0; i < hit_count; i++) { rect = (*env)->NewObject(env, rectClass, ctor, (float) (hit_bbox[i].x0), (float) (hit_bbox[i].y0), (float) (hit_bbox[i].x1), (float) (hit_bbox[i].y1)); if (rect == NULL) return NULL; (*env)->SetObjectArrayElement(env, arr, i, rect); (*env)->DeleteLocalRef(env, rect); } return arr; }