13bf66744d61d18c66d46f2608de0467ad3df0268Mopria/* 23bf66744d61d18c66d46f2608de0467ad3df0268Mopria * Copyright (C) 2016 The Android Open Source Project 33bf66744d61d18c66d46f2608de0467ad3df0268Mopria * Copyright (C) 2016 Mopria Alliance, Inc. 43bf66744d61d18c66d46f2608de0467ad3df0268Mopria * Copyright (C) 2013 Hewlett-Packard Development Company, L.P. 53bf66744d61d18c66d46f2608de0467ad3df0268Mopria * 63bf66744d61d18c66d46f2608de0467ad3df0268Mopria * Licensed under the Apache License, Version 2.0 (the "License"); 73bf66744d61d18c66d46f2608de0467ad3df0268Mopria * you may not use this file except in compliance with the License. 83bf66744d61d18c66d46f2608de0467ad3df0268Mopria * You may obtain a copy of the License at 93bf66744d61d18c66d46f2608de0467ad3df0268Mopria * 103bf66744d61d18c66d46f2608de0467ad3df0268Mopria * http://www.apache.org/licenses/LICENSE-2.0 113bf66744d61d18c66d46f2608de0467ad3df0268Mopria * 123bf66744d61d18c66d46f2608de0467ad3df0268Mopria * Unless required by applicable law or agreed to in writing, software 133bf66744d61d18c66d46f2608de0467ad3df0268Mopria * distributed under the License is distributed on an "AS IS" BASIS, 143bf66744d61d18c66d46f2608de0467ad3df0268Mopria * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 153bf66744d61d18c66d46f2608de0467ad3df0268Mopria * See the License for the specific language governing permissions and 163bf66744d61d18c66d46f2608de0467ad3df0268Mopria * limitations under the License. 173bf66744d61d18c66d46f2608de0467ad3df0268Mopria */ 183bf66744d61d18c66d46f2608de0467ad3df0268Mopria 193bf66744d61d18c66d46f2608de0467ad3df0268Mopria#ifndef __WPRINT_MUPDF__ 203bf66744d61d18c66d46f2608de0467ad3df0268Mopria#define __WPRINT_MUPDF__ 213bf66744d61d18c66d46f2608de0467ad3df0268Mopria 223bf66744d61d18c66d46f2608de0467ad3df0268Mopria#include <jni.h> 233bf66744d61d18c66d46f2608de0467ad3df0268Mopria#include "wprint_image.h" 243bf66744d61d18c66d46f2608de0467ad3df0268Mopria 253bf66744d61d18c66d46f2608de0467ad3df0268Mopriaextern const image_decode_ifc_t *wprint_mupdf_decode_ifc; 263bf66744d61d18c66d46f2608de0467ad3df0268Mopria 273bf66744d61d18c66d46f2608de0467ad3df0268Mopriatypedef struct pdf_render_ifc pdf_render_ifc_t; 283bf66744d61d18c66d46f2608de0467ad3df0268Mopria 293bf66744d61d18c66d46f2608de0467ad3df0268Mopria/* 303bf66744d61d18c66d46f2608de0467ad3df0268Mopria * Defines an interface for inspecting and rendering PDFs. Note: all methods must be called 313bf66744d61d18c66d46f2608de0467ad3df0268Mopria * from the same thread that created the interface. 323bf66744d61d18c66d46f2608de0467ad3df0268Mopria */ 333bf66744d61d18c66d46f2608de0467ad3df0268Mopriastruct pdf_render_ifc { 343bf66744d61d18c66d46f2608de0467ad3df0268Mopria /* 353bf66744d61d18c66d46f2608de0467ad3df0268Mopria * Return the page count for the specified file, or 0 on failure. 363bf66744d61d18c66d46f2608de0467ad3df0268Mopria */ 373bf66744d61d18c66d46f2608de0467ad3df0268Mopria int (*openDocument)(pdf_render_ifc_t *self, const char *fileName); 383bf66744d61d18c66d46f2608de0467ad3df0268Mopria 393bf66744d61d18c66d46f2608de0467ad3df0268Mopria /* 403bf66744d61d18c66d46f2608de0467ad3df0268Mopria * Render a page (1-based) at the specified zoom level into the supplied output buffer. The 413bf66744d61d18c66d46f2608de0467ad3df0268Mopria * buffer must be large enough to contain width * height * 3 (RGB). Returns success. 423bf66744d61d18c66d46f2608de0467ad3df0268Mopria */ 433bf66744d61d18c66d46f2608de0467ad3df0268Mopria status_t (*renderPageStripe)(pdf_render_ifc_t *self, int page, int width, 443bf66744d61d18c66d46f2608de0467ad3df0268Mopria int height, float zoom, char *buffer); 453bf66744d61d18c66d46f2608de0467ad3df0268Mopria 463bf66744d61d18c66d46f2608de0467ad3df0268Mopria /* 473bf66744d61d18c66d46f2608de0467ad3df0268Mopria * Determine the width and height of a particular page (1-based), returning success. 483bf66744d61d18c66d46f2608de0467ad3df0268Mopria */ 493bf66744d61d18c66d46f2608de0467ad3df0268Mopria status_t (*getPageAttributes)(pdf_render_ifc_t *self, int page, 503bf66744d61d18c66d46f2608de0467ad3df0268Mopria double *width, double *height); 513bf66744d61d18c66d46f2608de0467ad3df0268Mopria 523bf66744d61d18c66d46f2608de0467ad3df0268Mopria /* 533bf66744d61d18c66d46f2608de0467ad3df0268Mopria * Finally release all resources related to this interface 543bf66744d61d18c66d46f2608de0467ad3df0268Mopria */ 553bf66744d61d18c66d46f2608de0467ad3df0268Mopria void (*destroy)(pdf_render_ifc_t *self); 563bf66744d61d18c66d46f2608de0467ad3df0268Mopria}; 573bf66744d61d18c66d46f2608de0467ad3df0268Mopria 583bf66744d61d18c66d46f2608de0467ad3df0268Mopria/* 593bf66744d61d18c66d46f2608de0467ad3df0268Mopria * One-time initialization of pdf_render module. pdf_render_deinit must be called later to 603bf66744d61d18c66d46f2608de0467ad3df0268Mopria * free resources. 613bf66744d61d18c66d46f2608de0467ad3df0268Mopria */ 623bf66744d61d18c66d46f2608de0467ad3df0268Mopriavoid pdf_render_init(JNIEnv *env); 633bf66744d61d18c66d46f2608de0467ad3df0268Mopria 643bf66744d61d18c66d46f2608de0467ad3df0268Mopria/* 653bf66744d61d18c66d46f2608de0467ad3df0268Mopria * Deinitialize the pdf_render module (at shutdown) 663bf66744d61d18c66d46f2608de0467ad3df0268Mopria */ 673bf66744d61d18c66d46f2608de0467ad3df0268Mopriavoid pdf_render_deinit(JNIEnv *env); 683bf66744d61d18c66d46f2608de0467ad3df0268Mopria 693bf66744d61d18c66d46f2608de0467ad3df0268Mopria/* 703bf66744d61d18c66d46f2608de0467ad3df0268Mopria * Allocate and return a thread-specific pdf_render interface. Caller must eventually 713bf66744d61d18c66d46f2608de0467ad3df0268Mopria * call destroy on this instance. 723bf66744d61d18c66d46f2608de0467ad3df0268Mopria */ 733bf66744d61d18c66d46f2608de0467ad3df0268Mopriapdf_render_ifc_t *create_pdf_render_ifc(); 743bf66744d61d18c66d46f2608de0467ad3df0268Mopria 753bf66744d61d18c66d46f2608de0467ad3df0268Mopria#endif // __WPRINT_MUPDF__