1/* 2 * Copyright 2013 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8#ifndef SkPdfConfig_DEFINED 9#define SkPdfConfig_DEFINED 10 11#include "stddef.h" 12class SkPdfNativeObject; 13 14// shows what objects have not been used in rendering. can be used to track what features we might 15// have not implemented, or where we implemented only the default behaivour 16//#define PDF_TRACK_OBJECT_USAGE 17 18// tracks the position in the stream, it can be used to show where exactly the errors happened 19//#define PDF_TRACK_STREAM_OFFSETS 20 21// reports issues, warning, NYI, errors, ... 22// enable PDF_TRACK_STREAM_OFFSETS to also have the offset in the stream where the error happened 23//#define PDF_REPORT 24 25// At various points in code we show the value of important variables with this flag 26//#define PDF_TRACE 27 28// displays the result of each read token, individual result 29//#define PDF_TRACE_READ_TOKEN 30 31// Every drawtext draws before a rectangle, in this way we see the one that might have failed 32//#define PDF_TRACE_DRAWTEXT 33 34// For each render operations, it will dump the canvas in a png 35//#define PDF_TRACE_DIFF_IN_PNG 36 37// Does not clip at all, can be used in debugging issues 38//#define PDF_DEBUG_NO_CLIPING 39 40// Does not click the page, use is with 3x 41//#define PDF_DEBUG_NO_PAGE_CLIPING 42 43// render the page 3X bigger (with content in center) - used to make sure we don't mess up 44// positioning 45// like a tick tac toe board, only the center one has content, all the rest of them have to be clean 46//#define PDF_DEBUG_3X 47 48 49// TODO(edisonn): pass a flag to say how it was used? e.g. asked the type? Obtained value? 50// Implement it when it will be needed the first time to fix some bug. 51#ifdef PDF_TRACK_OBJECT_USAGE 52#define SkPdfMarkObjectUsed() fUsed = true 53#else 54#define SkPdfMarkObjectUsed() 55#endif // PDF_TRACK_OBJECT_USAGE 56 57#ifdef PDF_TRACK_OBJECT_USAGE 58#define SkPdfMarkObjectUnused() fUsed = false 59#else 60#define SkPdfMarkObjectUnused() 61#endif // PDF_TRACK_OBJECT_USAGE 62 63#ifdef PDF_TRACK_STREAM_OFFSETS 64#define TRACK_OBJECT_SRC(a) 65#define STORE_TRACK_PARAMETERS(obj) (obj)->fStreamId = streamId;\ 66 (obj)->fOffsetStart = offsetStart;\ 67 (obj)->fOffsetEnd = offsetEnd; 68#define STORE_TRACK_PARAMETER_OFFSET_END(obj,offsetEnd) (obj)->fOffsetEnd = (offsetEnd)-streamStart; 69#else 70#define TRACK_OBJECT_SRC(a) 71#define STORE_TRACK_PARAMETERS(obj) 72#define STORE_TRACK_PARAMETER_OFFSET_END(obj,offsetEnd) 73#endif //PDF_TRACK_STREAM_OFFSETS 74 75// TODO(edisonn): move it somewhere else? 76struct SkPdfInputStream { 77#ifdef PDF_TRACK_STREAM_OFFSETS 78 // no parent object -> original file to be rendered 79 // no parent file -> stream object 80 // both -> external stream object 81 int fParentFileID; 82 const SkPdfNativeObject* fParentObject; 83 84 size_t fDelta; // delta in parent stream 85 const unsigned char* fStart; 86#endif // PDF_TRACK_STREAM_OFFSETS 87 88 const unsigned char* fEnd; 89}; 90 91struct SkPdfInputStreamLocation { 92 SkPdfInputStream fInputStream; 93 const unsigned char* fNow; 94}; 95 96#ifdef PDF_TRACK_STREAM_OFFSETS 97struct SkPdfInputStreamRange { 98 SkPdfInputStream fInputStream; 99 const unsigned char* fRangeStart; 100 const unsigned char* fRangeEnd; 101}; 102#endif // PDF_TRACK_STREAM_OFFSETS 103 104 105#endif // SkPdfConfig_DEFINED 106