epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 1 | |
vandebo@chromium.org | 8459d4e | 2010-09-24 22:25:30 +0000 | [diff] [blame] | 2 | /* |
epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 3 | * Copyright 2011 Google Inc. |
vandebo@chromium.org | 8459d4e | 2010-09-24 22:25:30 +0000 | [diff] [blame] | 4 | * |
epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 5 | * Use of this source code is governed by a BSD-style license that can be |
| 6 | * found in the LICENSE file. |
vandebo@chromium.org | 8459d4e | 2010-09-24 22:25:30 +0000 | [diff] [blame] | 7 | */ |
| 8 | |
epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 9 | |
vandebo@chromium.org | 8459d4e | 2010-09-24 22:25:30 +0000 | [diff] [blame] | 10 | #include "SkPDFCatalog.h" |
| 11 | #include "SkPDFTypes.h" |
| 12 | #include "SkStream.h" |
| 13 | |
vandebo@chromium.org | 094316b | 2011-03-04 03:15:13 +0000 | [diff] [blame] | 14 | #ifdef SK_BUILD_FOR_WIN |
| 15 | #define SNPRINTF _snprintf |
| 16 | #else |
| 17 | #define SNPRINTF snprintf |
| 18 | #endif |
| 19 | |
reed@google.com | 3b42998 | 2012-06-26 15:30:08 +0000 | [diff] [blame] | 20 | /////////////////////////////////////////////////////////////////////////////// |
vandebo@chromium.org | f66025d | 2010-10-01 23:26:55 +0000 | [diff] [blame] | 21 | |
vandebo@chromium.org | 2ef12d4 | 2011-07-06 23:31:24 +0000 | [diff] [blame] | 22 | void SkPDFObject::emit(SkWStream* stream, SkPDFCatalog* catalog, |
| 23 | bool indirect) { |
| 24 | SkPDFObject* realObject = catalog->getSubstituteObject(this); |
halcanary | 4fc48af | 2015-01-12 10:07:50 -0800 | [diff] [blame^] | 25 | if (indirect) { |
| 26 | realObject->emitIndirectObject(stream, catalog); |
| 27 | } else { |
| 28 | realObject->emitObject(stream, catalog); |
| 29 | } |
vandebo@chromium.org | 2ef12d4 | 2011-07-06 23:31:24 +0000 | [diff] [blame] | 30 | } |
| 31 | |
vandebo@chromium.org | 8459d4e | 2010-09-24 22:25:30 +0000 | [diff] [blame] | 32 | size_t SkPDFObject::getOutputSize(SkPDFCatalog* catalog, bool indirect) { |
| 33 | SkDynamicMemoryWStream buffer; |
vandebo@chromium.org | 2ef12d4 | 2011-07-06 23:31:24 +0000 | [diff] [blame] | 34 | emit(&buffer, catalog, indirect); |
vandebo@chromium.org | 8459d4e | 2010-09-24 22:25:30 +0000 | [diff] [blame] | 35 | return buffer.getOffset(); |
| 36 | } |
| 37 | |
edisonn@google.com | 6addb19 | 2013-04-02 15:33:08 +0000 | [diff] [blame] | 38 | void SkPDFObject::getResources(const SkTSet<SkPDFObject*>& knownResourceObjects, |
| 39 | SkTSet<SkPDFObject*>* newResourceObjects) {} |
vandebo@chromium.org | a518086 | 2010-10-26 19:48:49 +0000 | [diff] [blame] | 40 | |
vandebo@chromium.org | 8459d4e | 2010-09-24 22:25:30 +0000 | [diff] [blame] | 41 | void SkPDFObject::emitIndirectObject(SkWStream* stream, SkPDFCatalog* catalog) { |
| 42 | catalog->emitObjectNumber(stream, this); |
| 43 | stream->writeText(" obj\n"); |
vandebo@chromium.org | 2ef12d4 | 2011-07-06 23:31:24 +0000 | [diff] [blame] | 44 | emit(stream, catalog, false); |
vandebo@chromium.org | 8459d4e | 2010-09-24 22:25:30 +0000 | [diff] [blame] | 45 | stream->writeText("\nendobj\n"); |
| 46 | } |
| 47 | |
| 48 | size_t SkPDFObject::getIndirectOutputSize(SkPDFCatalog* catalog) { |
| 49 | return catalog->getObjectNumberSize(this) + strlen(" obj\n") + |
| 50 | this->getOutputSize(catalog, false) + strlen("\nendobj\n"); |
| 51 | } |
| 52 | |
vandebo@chromium.org | 421d644 | 2011-07-20 17:39:01 +0000 | [diff] [blame] | 53 | void SkPDFObject::AddResourceHelper(SkPDFObject* resource, |
| 54 | SkTDArray<SkPDFObject*>* list) { |
| 55 | list->push(resource); |
| 56 | resource->ref(); |
| 57 | } |
| 58 | |
edisonn@google.com | 6addb19 | 2013-04-02 15:33:08 +0000 | [diff] [blame] | 59 | void SkPDFObject::GetResourcesHelper( |
| 60 | const SkTDArray<SkPDFObject*>* resources, |
| 61 | const SkTSet<SkPDFObject*>& knownResourceObjects, |
| 62 | SkTSet<SkPDFObject*>* newResourceObjects) { |
vandebo@chromium.org | 421d644 | 2011-07-20 17:39:01 +0000 | [diff] [blame] | 63 | if (resources->count()) { |
edisonn@google.com | 6addb19 | 2013-04-02 15:33:08 +0000 | [diff] [blame] | 64 | newResourceObjects->setReserve( |
| 65 | newResourceObjects->count() + resources->count()); |
vandebo@chromium.org | 421d644 | 2011-07-20 17:39:01 +0000 | [diff] [blame] | 66 | for (int i = 0; i < resources->count(); i++) { |
edisonn@google.com | 6addb19 | 2013-04-02 15:33:08 +0000 | [diff] [blame] | 67 | if (!knownResourceObjects.contains((*resources)[i]) && |
| 68 | !newResourceObjects->contains((*resources)[i])) { |
| 69 | newResourceObjects->add((*resources)[i]); |
| 70 | (*resources)[i]->ref(); |
| 71 | (*resources)[i]->getResources(knownResourceObjects, |
| 72 | newResourceObjects); |
| 73 | } |
vandebo@chromium.org | 421d644 | 2011-07-20 17:39:01 +0000 | [diff] [blame] | 74 | } |
| 75 | } |
| 76 | } |
| 77 | |
vandebo@chromium.org | d96d17b | 2013-01-04 19:31:24 +0000 | [diff] [blame] | 78 | SkPDFObjRef::SkPDFObjRef(SkPDFObject* obj) : fObj(obj) { |
| 79 | SkSafeRef(obj); |
| 80 | } |
| 81 | |
vandebo@chromium.org | 421d644 | 2011-07-20 17:39:01 +0000 | [diff] [blame] | 82 | SkPDFObjRef::~SkPDFObjRef() {} |
| 83 | |
halcanary | 4fc48af | 2015-01-12 10:07:50 -0800 | [diff] [blame^] | 84 | void SkPDFObjRef::emitObject(SkWStream* stream, SkPDFCatalog* catalog) { |
vandebo@chromium.org | 8459d4e | 2010-09-24 22:25:30 +0000 | [diff] [blame] | 85 | catalog->emitObjectNumber(stream, fObj.get()); |
| 86 | stream->writeText(" R"); |
| 87 | } |
| 88 | |
| 89 | size_t SkPDFObjRef::getOutputSize(SkPDFCatalog* catalog, bool indirect) { |
| 90 | SkASSERT(!indirect); |
| 91 | return catalog->getObjectNumberSize(fObj.get()) + strlen(" R"); |
| 92 | } |
| 93 | |
vandebo@chromium.org | f66025d | 2010-10-01 23:26:55 +0000 | [diff] [blame] | 94 | SkPDFInt::SkPDFInt(int32_t value) : fValue(value) {} |
| 95 | SkPDFInt::~SkPDFInt() {} |
| 96 | |
halcanary | 4fc48af | 2015-01-12 10:07:50 -0800 | [diff] [blame^] | 97 | void SkPDFInt::emitObject(SkWStream* stream, SkPDFCatalog* catalog) { |
vandebo@chromium.org | 8459d4e | 2010-09-24 22:25:30 +0000 | [diff] [blame] | 98 | stream->writeDecAsText(fValue); |
| 99 | } |
| 100 | |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 101 | SkPDFBool::SkPDFBool(bool value) : fValue(value) {} |
| 102 | SkPDFBool::~SkPDFBool() {} |
| 103 | |
halcanary | 4fc48af | 2015-01-12 10:07:50 -0800 | [diff] [blame^] | 104 | void SkPDFBool::emitObject(SkWStream* stream, SkPDFCatalog* catalog) { |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 105 | if (fValue) { |
| 106 | stream->writeText("true"); |
| 107 | } else { |
| 108 | stream->writeText("false"); |
| 109 | } |
| 110 | } |
| 111 | |
| 112 | size_t SkPDFBool::getOutputSize(SkPDFCatalog* catalog, bool indirect) { |
| 113 | SkASSERT(!indirect); |
ctguil@chromium.org | 769fa6a | 2011-08-20 00:36:18 +0000 | [diff] [blame] | 114 | if (fValue) { |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 115 | return strlen("true"); |
ctguil@chromium.org | 769fa6a | 2011-08-20 00:36:18 +0000 | [diff] [blame] | 116 | } |
vandebo@chromium.org | 9b49dc0 | 2010-10-20 22:23:29 +0000 | [diff] [blame] | 117 | return strlen("false"); |
| 118 | } |
| 119 | |
vandebo@chromium.org | f66025d | 2010-10-01 23:26:55 +0000 | [diff] [blame] | 120 | SkPDFScalar::SkPDFScalar(SkScalar value) : fValue(value) {} |
| 121 | SkPDFScalar::~SkPDFScalar() {} |
| 122 | |
halcanary | 4fc48af | 2015-01-12 10:07:50 -0800 | [diff] [blame^] | 123 | void SkPDFScalar::emitObject(SkWStream* stream, SkPDFCatalog* catalog) { |
vandebo@chromium.org | cae5fba | 2011-03-28 19:03:50 +0000 | [diff] [blame] | 124 | Append(fValue, stream); |
vandebo@chromium.org | 094316b | 2011-03-04 03:15:13 +0000 | [diff] [blame] | 125 | } |
| 126 | |
| 127 | // static |
vandebo@chromium.org | cae5fba | 2011-03-28 19:03:50 +0000 | [diff] [blame] | 128 | void SkPDFScalar::Append(SkScalar value, SkWStream* stream) { |
vandebo@chromium.org | 094316b | 2011-03-04 03:15:13 +0000 | [diff] [blame] | 129 | // The range of reals in PDF/A is the same as SkFixed: +/- 32,767 and |
| 130 | // +/- 1/65,536 (though integers can range from 2^31 - 1 to -2^31). |
| 131 | // When using floats that are outside the whole value range, we can use |
| 132 | // integers instead. |
| 133 | |
vandebo@chromium.org | 094316b | 2011-03-04 03:15:13 +0000 | [diff] [blame] | 134 | #if !defined(SK_ALLOW_LARGE_PDF_SCALARS) |
| 135 | if (value > 32767 || value < -32767) { |
reed@google.com | e1ca705 | 2013-12-17 19:22:07 +0000 | [diff] [blame] | 136 | stream->writeDecAsText(SkScalarRoundToInt(value)); |
vandebo@chromium.org | 094316b | 2011-03-04 03:15:13 +0000 | [diff] [blame] | 137 | return; |
| 138 | } |
| 139 | |
| 140 | char buffer[SkStrAppendScalar_MaxSize]; |
| 141 | char* end = SkStrAppendFixed(buffer, SkScalarToFixed(value)); |
vandebo@chromium.org | cae5fba | 2011-03-28 19:03:50 +0000 | [diff] [blame] | 142 | stream->write(buffer, end - buffer); |
vandebo@chromium.org | 094316b | 2011-03-04 03:15:13 +0000 | [diff] [blame] | 143 | return; |
| 144 | #endif // !SK_ALLOW_LARGE_PDF_SCALARS |
| 145 | |
reed@google.com | 8f4d230 | 2013-12-17 16:44:46 +0000 | [diff] [blame] | 146 | #if defined(SK_ALLOW_LARGE_PDF_SCALARS) |
vandebo@chromium.org | 094316b | 2011-03-04 03:15:13 +0000 | [diff] [blame] | 147 | // Floats have 24bits of significance, so anything outside that range is |
| 148 | // no more precise than an int. (Plus PDF doesn't support scientific |
| 149 | // notation, so this clamps to SK_Max/MinS32). |
| 150 | if (value > (1 << 24) || value < -(1 << 24)) { |
vandebo@chromium.org | cae5fba | 2011-03-28 19:03:50 +0000 | [diff] [blame] | 151 | stream->writeDecAsText(value); |
vandebo@chromium.org | 094316b | 2011-03-04 03:15:13 +0000 | [diff] [blame] | 152 | return; |
| 153 | } |
| 154 | // Continue to enforce the PDF limits for small floats. |
| 155 | if (value < 1.0f/65536 && value > -1.0f/65536) { |
vandebo@chromium.org | cae5fba | 2011-03-28 19:03:50 +0000 | [diff] [blame] | 156 | stream->writeDecAsText(0); |
vandebo@chromium.org | 094316b | 2011-03-04 03:15:13 +0000 | [diff] [blame] | 157 | return; |
| 158 | } |
| 159 | // SkStrAppendFloat might still use scientific notation, so use snprintf |
| 160 | // directly.. |
| 161 | static const int kFloat_MaxSize = 19; |
| 162 | char buffer[kFloat_MaxSize]; |
| 163 | int len = SNPRINTF(buffer, kFloat_MaxSize, "%#.8f", value); |
| 164 | // %f always prints trailing 0s, so strip them. |
| 165 | for (; buffer[len - 1] == '0' && len > 0; len--) { |
| 166 | buffer[len - 1] = '\0'; |
| 167 | } |
| 168 | if (buffer[len - 1] == '.') { |
| 169 | buffer[len - 1] = '\0'; |
| 170 | } |
vandebo@chromium.org | cae5fba | 2011-03-28 19:03:50 +0000 | [diff] [blame] | 171 | stream->writeText(buffer); |
vandebo@chromium.org | 094316b | 2011-03-04 03:15:13 +0000 | [diff] [blame] | 172 | return; |
reed@google.com | 8f4d230 | 2013-12-17 16:44:46 +0000 | [diff] [blame] | 173 | #endif // SK_ALLOW_LARGE_PDF_SCALARS |
vandebo@chromium.org | 8459d4e | 2010-09-24 22:25:30 +0000 | [diff] [blame] | 174 | } |
| 175 | |
| 176 | SkPDFString::SkPDFString(const char value[]) |
reed@google.com | f6c3ebd | 2011-07-20 17:20:28 +0000 | [diff] [blame] | 177 | : fValue(FormatString(value, strlen(value))) { |
vandebo@chromium.org | 8459d4e | 2010-09-24 22:25:30 +0000 | [diff] [blame] | 178 | } |
| 179 | |
| 180 | SkPDFString::SkPDFString(const SkString& value) |
reed@google.com | f6c3ebd | 2011-07-20 17:20:28 +0000 | [diff] [blame] | 181 | : fValue(FormatString(value.c_str(), value.size())) { |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 182 | } |
| 183 | |
| 184 | SkPDFString::SkPDFString(const uint16_t* value, size_t len, bool wideChars) |
reed@google.com | f6c3ebd | 2011-07-20 17:20:28 +0000 | [diff] [blame] | 185 | : fValue(FormatString(value, len, wideChars)) { |
vandebo@chromium.org | 8459d4e | 2010-09-24 22:25:30 +0000 | [diff] [blame] | 186 | } |
| 187 | |
vandebo@chromium.org | f66025d | 2010-10-01 23:26:55 +0000 | [diff] [blame] | 188 | SkPDFString::~SkPDFString() {} |
| 189 | |
halcanary | 4fc48af | 2015-01-12 10:07:50 -0800 | [diff] [blame^] | 190 | void SkPDFString::emitObject(SkWStream* stream, SkPDFCatalog* catalog) { |
vandebo@chromium.org | 8459d4e | 2010-09-24 22:25:30 +0000 | [diff] [blame] | 191 | stream->write(fValue.c_str(), fValue.size()); |
| 192 | } |
| 193 | |
| 194 | size_t SkPDFString::getOutputSize(SkPDFCatalog* catalog, bool indirect) { |
| 195 | if (indirect) |
| 196 | return getIndirectOutputSize(catalog); |
| 197 | return fValue.size(); |
| 198 | } |
| 199 | |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 200 | // static |
reed@google.com | f6c3ebd | 2011-07-20 17:20:28 +0000 | [diff] [blame] | 201 | SkString SkPDFString::FormatString(const char* input, size_t len) { |
| 202 | return DoFormatString(input, len, false, false); |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 203 | } |
| 204 | |
reed@google.com | f6c3ebd | 2011-07-20 17:20:28 +0000 | [diff] [blame] | 205 | SkString SkPDFString::FormatString(const uint16_t* input, size_t len, |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 206 | bool wideChars) { |
reed@google.com | f6c3ebd | 2011-07-20 17:20:28 +0000 | [diff] [blame] | 207 | return DoFormatString(input, len, true, wideChars); |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 208 | } |
| 209 | |
| 210 | // static |
reed@google.com | f6c3ebd | 2011-07-20 17:20:28 +0000 | [diff] [blame] | 211 | SkString SkPDFString::DoFormatString(const void* input, size_t len, |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 212 | bool wideInput, bool wideOutput) { |
| 213 | SkASSERT(len <= kMaxLen); |
| 214 | const uint16_t* win = (const uint16_t*) input; |
| 215 | const char* cin = (const char*) input; |
| 216 | |
| 217 | if (wideOutput) { |
| 218 | SkASSERT(wideInput); |
| 219 | SkString result; |
| 220 | result.append("<"); |
ctguil@chromium.org | 769fa6a | 2011-08-20 00:36:18 +0000 | [diff] [blame] | 221 | for (size_t i = 0; i < len; i++) { |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 222 | result.appendHex(win[i], 4); |
ctguil@chromium.org | 769fa6a | 2011-08-20 00:36:18 +0000 | [diff] [blame] | 223 | } |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 224 | result.append(">"); |
| 225 | return result; |
| 226 | } |
vandebo@chromium.org | 8459d4e | 2010-09-24 22:25:30 +0000 | [diff] [blame] | 227 | |
| 228 | // 7-bit clean is a heuristic to decide what string format to use; |
| 229 | // a 7-bit clean string should require little escaping. |
| 230 | bool sevenBitClean = true; |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 231 | for (size_t i = 0; i < len; i++) { |
| 232 | SkASSERT(!wideInput || !(win[i] & ~0xFF)); |
| 233 | char val = wideInput ? win[i] : cin[i]; |
vandebo@chromium.org | 2a22e10 | 2011-01-25 21:01:34 +0000 | [diff] [blame] | 234 | if (val > '~' || val < ' ') { |
vandebo@chromium.org | 8459d4e | 2010-09-24 22:25:30 +0000 | [diff] [blame] | 235 | sevenBitClean = false; |
| 236 | break; |
| 237 | } |
| 238 | } |
| 239 | |
| 240 | SkString result; |
| 241 | if (sevenBitClean) { |
| 242 | result.append("("); |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 243 | for (size_t i = 0; i < len; i++) { |
| 244 | SkASSERT(!wideInput || !(win[i] & ~0xFF)); |
| 245 | char val = wideInput ? win[i] : cin[i]; |
ctguil@chromium.org | 769fa6a | 2011-08-20 00:36:18 +0000 | [diff] [blame] | 246 | if (val == '\\' || val == '(' || val == ')') { |
vandebo@chromium.org | 8459d4e | 2010-09-24 22:25:30 +0000 | [diff] [blame] | 247 | result.append("\\"); |
ctguil@chromium.org | 769fa6a | 2011-08-20 00:36:18 +0000 | [diff] [blame] | 248 | } |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 249 | result.append(&val, 1); |
vandebo@chromium.org | 8459d4e | 2010-09-24 22:25:30 +0000 | [diff] [blame] | 250 | } |
| 251 | result.append(")"); |
| 252 | } else { |
| 253 | result.append("<"); |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 254 | for (size_t i = 0; i < len; i++) { |
| 255 | SkASSERT(!wideInput || !(win[i] & ~0xFF)); |
vandebo@chromium.org | 2a22e10 | 2011-01-25 21:01:34 +0000 | [diff] [blame] | 256 | unsigned char val = wideInput ? win[i] : cin[i]; |
vandebo@chromium.org | 28be72b | 2010-11-11 21:37:00 +0000 | [diff] [blame] | 257 | result.appendHex(val, 2); |
| 258 | } |
vandebo@chromium.org | 8459d4e | 2010-09-24 22:25:30 +0000 | [diff] [blame] | 259 | result.append(">"); |
| 260 | } |
| 261 | |
| 262 | return result; |
| 263 | } |
| 264 | |
reed@google.com | f6c3ebd | 2011-07-20 17:20:28 +0000 | [diff] [blame] | 265 | SkPDFName::SkPDFName(const char name[]) : fValue(FormatName(SkString(name))) {} |
| 266 | SkPDFName::SkPDFName(const SkString& name) : fValue(FormatName(name)) {} |
vandebo@chromium.org | f66025d | 2010-10-01 23:26:55 +0000 | [diff] [blame] | 267 | SkPDFName::~SkPDFName() {} |
vandebo@chromium.org | 8459d4e | 2010-09-24 22:25:30 +0000 | [diff] [blame] | 268 | |
vandebo@chromium.org | 421d644 | 2011-07-20 17:39:01 +0000 | [diff] [blame] | 269 | bool SkPDFName::operator==(const SkPDFName& b) const { |
| 270 | return fValue == b.fValue; |
| 271 | } |
| 272 | |
halcanary | 4fc48af | 2015-01-12 10:07:50 -0800 | [diff] [blame^] | 273 | void SkPDFName::emitObject(SkWStream* stream, SkPDFCatalog* catalog) { |
vandebo@chromium.org | 8459d4e | 2010-09-24 22:25:30 +0000 | [diff] [blame] | 274 | stream->write(fValue.c_str(), fValue.size()); |
| 275 | } |
| 276 | |
| 277 | size_t SkPDFName::getOutputSize(SkPDFCatalog* catalog, bool indirect) { |
| 278 | SkASSERT(!indirect); |
| 279 | return fValue.size(); |
| 280 | } |
| 281 | |
vandebo@chromium.org | f66025d | 2010-10-01 23:26:55 +0000 | [diff] [blame] | 282 | // static |
reed@google.com | f6c3ebd | 2011-07-20 17:20:28 +0000 | [diff] [blame] | 283 | SkString SkPDFName::FormatName(const SkString& input) { |
vandebo@chromium.org | 8459d4e | 2010-09-24 22:25:30 +0000 | [diff] [blame] | 284 | SkASSERT(input.size() <= kMaxLen); |
vandebo@chromium.org | 251a766 | 2012-09-21 17:50:50 +0000 | [diff] [blame] | 285 | // TODO(vandebo) If more escaping is needed, improve the linear scan. |
| 286 | static const char escaped[] = "#/%()<>[]{}"; |
vandebo@chromium.org | 8459d4e | 2010-09-24 22:25:30 +0000 | [diff] [blame] | 287 | |
| 288 | SkString result("/"); |
| 289 | for (size_t i = 0; i < input.size(); i++) { |
vandebo@chromium.org | 251a766 | 2012-09-21 17:50:50 +0000 | [diff] [blame] | 290 | if (input[i] & 0x80 || input[i] < '!' || strchr(escaped, input[i])) { |
vandebo@chromium.org | 8459d4e | 2010-09-24 22:25:30 +0000 | [diff] [blame] | 291 | result.append("#"); |
vandebo@chromium.org | c0376fe | 2012-03-05 18:44:33 +0000 | [diff] [blame] | 292 | // Mask with 0xFF to avoid sign extension. i.e. #FFFFFF81 |
| 293 | result.appendHex(input[i] & 0xFF, 2); |
vandebo@chromium.org | 8459d4e | 2010-09-24 22:25:30 +0000 | [diff] [blame] | 294 | } else { |
| 295 | result.append(input.c_str() + i, 1); |
| 296 | } |
| 297 | } |
| 298 | |
| 299 | return result; |
| 300 | } |
| 301 | |
vandebo@chromium.org | f66025d | 2010-10-01 23:26:55 +0000 | [diff] [blame] | 302 | SkPDFArray::SkPDFArray() {} |
vandebo@chromium.org | 8459d4e | 2010-09-24 22:25:30 +0000 | [diff] [blame] | 303 | SkPDFArray::~SkPDFArray() { |
reed@google.com | 2812b80 | 2011-07-19 15:46:40 +0000 | [diff] [blame] | 304 | fValue.unrefAll(); |
vandebo@chromium.org | 8459d4e | 2010-09-24 22:25:30 +0000 | [diff] [blame] | 305 | } |
| 306 | |
halcanary | 4fc48af | 2015-01-12 10:07:50 -0800 | [diff] [blame^] | 307 | void SkPDFArray::emitObject(SkWStream* stream, SkPDFCatalog* catalog) { |
vandebo@chromium.org | 8459d4e | 2010-09-24 22:25:30 +0000 | [diff] [blame] | 308 | stream->writeText("["); |
| 309 | for (int i = 0; i < fValue.count(); i++) { |
vandebo@chromium.org | 2ef12d4 | 2011-07-06 23:31:24 +0000 | [diff] [blame] | 310 | fValue[i]->emit(stream, catalog, false); |
ctguil@chromium.org | 769fa6a | 2011-08-20 00:36:18 +0000 | [diff] [blame] | 311 | if (i + 1 < fValue.count()) { |
vandebo@chromium.org | 8459d4e | 2010-09-24 22:25:30 +0000 | [diff] [blame] | 312 | stream->writeText(" "); |
ctguil@chromium.org | 769fa6a | 2011-08-20 00:36:18 +0000 | [diff] [blame] | 313 | } |
vandebo@chromium.org | 8459d4e | 2010-09-24 22:25:30 +0000 | [diff] [blame] | 314 | } |
| 315 | stream->writeText("]"); |
| 316 | } |
| 317 | |
| 318 | size_t SkPDFArray::getOutputSize(SkPDFCatalog* catalog, bool indirect) { |
ctguil@chromium.org | 769fa6a | 2011-08-20 00:36:18 +0000 | [diff] [blame] | 319 | if (indirect) { |
vandebo@chromium.org | 8459d4e | 2010-09-24 22:25:30 +0000 | [diff] [blame] | 320 | return getIndirectOutputSize(catalog); |
ctguil@chromium.org | 769fa6a | 2011-08-20 00:36:18 +0000 | [diff] [blame] | 321 | } |
vandebo@chromium.org | 8459d4e | 2010-09-24 22:25:30 +0000 | [diff] [blame] | 322 | |
| 323 | size_t result = strlen("[]"); |
ctguil@chromium.org | 769fa6a | 2011-08-20 00:36:18 +0000 | [diff] [blame] | 324 | if (fValue.count()) { |
vandebo@chromium.org | 8459d4e | 2010-09-24 22:25:30 +0000 | [diff] [blame] | 325 | result += fValue.count() - 1; |
ctguil@chromium.org | 769fa6a | 2011-08-20 00:36:18 +0000 | [diff] [blame] | 326 | } |
| 327 | for (int i = 0; i < fValue.count(); i++) { |
vandebo@chromium.org | 8459d4e | 2010-09-24 22:25:30 +0000 | [diff] [blame] | 328 | result += fValue[i]->getOutputSize(catalog, false); |
ctguil@chromium.org | 769fa6a | 2011-08-20 00:36:18 +0000 | [diff] [blame] | 329 | } |
vandebo@chromium.org | 8459d4e | 2010-09-24 22:25:30 +0000 | [diff] [blame] | 330 | return result; |
| 331 | } |
| 332 | |
| 333 | void SkPDFArray::reserve(int length) { |
| 334 | SkASSERT(length <= kMaxLen); |
| 335 | fValue.setReserve(length); |
| 336 | } |
| 337 | |
vandebo@chromium.org | f7c1576 | 2011-02-01 22:19:44 +0000 | [diff] [blame] | 338 | SkPDFObject* SkPDFArray::setAt(int offset, SkPDFObject* value) { |
vandebo@chromium.org | 8459d4e | 2010-09-24 22:25:30 +0000 | [diff] [blame] | 339 | SkASSERT(offset < fValue.count()); |
reed@google.com | 2812b80 | 2011-07-19 15:46:40 +0000 | [diff] [blame] | 340 | value->ref(); |
| 341 | fValue[offset]->unref(); |
vandebo@chromium.org | 8459d4e | 2010-09-24 22:25:30 +0000 | [diff] [blame] | 342 | fValue[offset] = value; |
vandebo@chromium.org | f7c1576 | 2011-02-01 22:19:44 +0000 | [diff] [blame] | 343 | return value; |
vandebo@chromium.org | 8459d4e | 2010-09-24 22:25:30 +0000 | [diff] [blame] | 344 | } |
| 345 | |
vandebo@chromium.org | f7c1576 | 2011-02-01 22:19:44 +0000 | [diff] [blame] | 346 | SkPDFObject* SkPDFArray::append(SkPDFObject* value) { |
vandebo@chromium.org | 8459d4e | 2010-09-24 22:25:30 +0000 | [diff] [blame] | 347 | SkASSERT(fValue.count() < kMaxLen); |
reed@google.com | 2812b80 | 2011-07-19 15:46:40 +0000 | [diff] [blame] | 348 | value->ref(); |
vandebo@chromium.org | 8459d4e | 2010-09-24 22:25:30 +0000 | [diff] [blame] | 349 | fValue.push(value); |
vandebo@chromium.org | f7c1576 | 2011-02-01 22:19:44 +0000 | [diff] [blame] | 350 | return value; |
vandebo@chromium.org | 8459d4e | 2010-09-24 22:25:30 +0000 | [diff] [blame] | 351 | } |
| 352 | |
reed@google.com | c789cf1 | 2011-07-20 12:14:33 +0000 | [diff] [blame] | 353 | void SkPDFArray::appendInt(int32_t value) { |
| 354 | SkASSERT(fValue.count() < kMaxLen); |
| 355 | fValue.push(new SkPDFInt(value)); |
| 356 | } |
| 357 | |
| 358 | void SkPDFArray::appendScalar(SkScalar value) { |
| 359 | SkASSERT(fValue.count() < kMaxLen); |
| 360 | fValue.push(new SkPDFScalar(value)); |
| 361 | } |
| 362 | |
| 363 | void SkPDFArray::appendName(const char name[]) { |
| 364 | SkASSERT(fValue.count() < kMaxLen); |
| 365 | fValue.push(new SkPDFName(name)); |
| 366 | } |
| 367 | |
| 368 | /////////////////////////////////////////////////////////////////////////////// |
| 369 | |
vandebo@chromium.org | f66025d | 2010-10-01 23:26:55 +0000 | [diff] [blame] | 370 | SkPDFDict::SkPDFDict() {} |
vandebo@chromium.org | d877fdb | 2010-10-12 23:08:13 +0000 | [diff] [blame] | 371 | |
| 372 | SkPDFDict::SkPDFDict(const char type[]) { |
vandebo@chromium.org | 06f7f40 | 2011-07-20 18:39:20 +0000 | [diff] [blame] | 373 | insertName("Type", type); |
vandebo@chromium.org | d877fdb | 2010-10-12 23:08:13 +0000 | [diff] [blame] | 374 | } |
| 375 | |
vandebo@chromium.org | 8459d4e | 2010-09-24 22:25:30 +0000 | [diff] [blame] | 376 | SkPDFDict::~SkPDFDict() { |
vandebo@chromium.org | d877fdb | 2010-10-12 23:08:13 +0000 | [diff] [blame] | 377 | clear(); |
vandebo@chromium.org | 8459d4e | 2010-09-24 22:25:30 +0000 | [diff] [blame] | 378 | } |
| 379 | |
halcanary | 1f8ed02 | 2014-06-27 10:37:27 -0700 | [diff] [blame] | 380 | int SkPDFDict::size() const { |
| 381 | SkAutoMutexAcquire lock(fMutex); |
| 382 | return fValue.count(); |
| 383 | } |
| 384 | |
| 385 | |
halcanary | 4fc48af | 2015-01-12 10:07:50 -0800 | [diff] [blame^] | 386 | void SkPDFDict::emitObject(SkWStream* stream, SkPDFCatalog* catalog) { |
halcanary | 1f8ed02 | 2014-06-27 10:37:27 -0700 | [diff] [blame] | 387 | SkAutoMutexAcquire lock(fMutex); // If another thread triggers a |
| 388 | // resize while this thread is in |
| 389 | // the for-loop, we can be left |
| 390 | // with a bad fValue[i] reference. |
vandebo@chromium.org | 8459d4e | 2010-09-24 22:25:30 +0000 | [diff] [blame] | 391 | stream->writeText("<<"); |
| 392 | for (int i = 0; i < fValue.count(); i++) { |
halcanary | 1f8ed02 | 2014-06-27 10:37:27 -0700 | [diff] [blame] | 393 | SkASSERT(fValue[i].key); |
| 394 | SkASSERT(fValue[i].value); |
halcanary | 4fc48af | 2015-01-12 10:07:50 -0800 | [diff] [blame^] | 395 | fValue[i].key->emitObject(stream, catalog); |
vandebo@chromium.org | 8459d4e | 2010-09-24 22:25:30 +0000 | [diff] [blame] | 396 | stream->writeText(" "); |
vandebo@chromium.org | 2ef12d4 | 2011-07-06 23:31:24 +0000 | [diff] [blame] | 397 | fValue[i].value->emit(stream, catalog, false); |
vandebo@chromium.org | 8459d4e | 2010-09-24 22:25:30 +0000 | [diff] [blame] | 398 | stream->writeText("\n"); |
| 399 | } |
| 400 | stream->writeText(">>"); |
| 401 | } |
| 402 | |
| 403 | size_t SkPDFDict::getOutputSize(SkPDFCatalog* catalog, bool indirect) { |
ctguil@chromium.org | 769fa6a | 2011-08-20 00:36:18 +0000 | [diff] [blame] | 404 | if (indirect) { |
vandebo@chromium.org | 8459d4e | 2010-09-24 22:25:30 +0000 | [diff] [blame] | 405 | return getIndirectOutputSize(catalog); |
ctguil@chromium.org | 769fa6a | 2011-08-20 00:36:18 +0000 | [diff] [blame] | 406 | } |
vandebo@chromium.org | 8459d4e | 2010-09-24 22:25:30 +0000 | [diff] [blame] | 407 | |
halcanary | 1f8ed02 | 2014-06-27 10:37:27 -0700 | [diff] [blame] | 408 | SkAutoMutexAcquire lock(fMutex); // If another thread triggers a |
| 409 | // resize while this thread is in |
| 410 | // the for-loop, we can be left |
| 411 | // with a bad fValue[i] reference. |
vandebo@chromium.org | 8459d4e | 2010-09-24 22:25:30 +0000 | [diff] [blame] | 412 | size_t result = strlen("<<>>") + (fValue.count() * 2); |
| 413 | for (int i = 0; i < fValue.count(); i++) { |
halcanary | 1f8ed02 | 2014-06-27 10:37:27 -0700 | [diff] [blame] | 414 | SkASSERT(fValue[i].key); |
| 415 | SkASSERT(fValue[i].value); |
vandebo@chromium.org | 8459d4e | 2010-09-24 22:25:30 +0000 | [diff] [blame] | 416 | result += fValue[i].key->getOutputSize(catalog, false); |
| 417 | result += fValue[i].value->getOutputSize(catalog, false); |
| 418 | } |
| 419 | return result; |
| 420 | } |
| 421 | |
halcanary | 1f8ed02 | 2014-06-27 10:37:27 -0700 | [diff] [blame] | 422 | SkPDFObject* SkPDFDict::append(SkPDFName* key, SkPDFObject* value) { |
| 423 | SkASSERT(key); |
| 424 | SkASSERT(value); |
| 425 | SkAutoMutexAcquire lock(fMutex); // If the SkTDArray resizes while |
| 426 | // two threads access array, one |
| 427 | // is left with a bad pointer. |
| 428 | *(fValue.append()) = Rec(key, value); |
vandebo@chromium.org | f7c1576 | 2011-02-01 22:19:44 +0000 | [diff] [blame] | 429 | return value; |
vandebo@chromium.org | 8459d4e | 2010-09-24 22:25:30 +0000 | [diff] [blame] | 430 | } |
vandebo@chromium.org | d877fdb | 2010-10-12 23:08:13 +0000 | [diff] [blame] | 431 | |
halcanary | 1f8ed02 | 2014-06-27 10:37:27 -0700 | [diff] [blame] | 432 | SkPDFObject* SkPDFDict::insert(SkPDFName* key, SkPDFObject* value) { |
| 433 | return this->append(SkRef(key), SkRef(value)); |
| 434 | } |
| 435 | |
vandebo@chromium.org | f7c1576 | 2011-02-01 22:19:44 +0000 | [diff] [blame] | 436 | SkPDFObject* SkPDFDict::insert(const char key[], SkPDFObject* value) { |
halcanary | 1f8ed02 | 2014-06-27 10:37:27 -0700 | [diff] [blame] | 437 | return this->append(new SkPDFName(key), SkRef(value)); |
vandebo@chromium.org | d877fdb | 2010-10-12 23:08:13 +0000 | [diff] [blame] | 438 | } |
| 439 | |
reed@google.com | c789cf1 | 2011-07-20 12:14:33 +0000 | [diff] [blame] | 440 | void SkPDFDict::insertInt(const char key[], int32_t value) { |
halcanary | 1f8ed02 | 2014-06-27 10:37:27 -0700 | [diff] [blame] | 441 | (void)this->append(new SkPDFName(key), new SkPDFInt(value)); |
reed@google.com | c789cf1 | 2011-07-20 12:14:33 +0000 | [diff] [blame] | 442 | } |
| 443 | |
| 444 | void SkPDFDict::insertScalar(const char key[], SkScalar value) { |
halcanary | 1f8ed02 | 2014-06-27 10:37:27 -0700 | [diff] [blame] | 445 | (void)this->append(new SkPDFName(key), new SkPDFScalar(value)); |
reed@google.com | c789cf1 | 2011-07-20 12:14:33 +0000 | [diff] [blame] | 446 | } |
| 447 | |
| 448 | void SkPDFDict::insertName(const char key[], const char name[]) { |
halcanary | 1f8ed02 | 2014-06-27 10:37:27 -0700 | [diff] [blame] | 449 | (void)this->append(new SkPDFName(key), new SkPDFName(name)); |
reed@google.com | c789cf1 | 2011-07-20 12:14:33 +0000 | [diff] [blame] | 450 | } |
| 451 | |
vandebo@chromium.org | d877fdb | 2010-10-12 23:08:13 +0000 | [diff] [blame] | 452 | void SkPDFDict::clear() { |
halcanary | 1f8ed02 | 2014-06-27 10:37:27 -0700 | [diff] [blame] | 453 | SkAutoMutexAcquire lock(fMutex); |
vandebo@chromium.org | d877fdb | 2010-10-12 23:08:13 +0000 | [diff] [blame] | 454 | for (int i = 0; i < fValue.count(); i++) { |
halcanary | 1f8ed02 | 2014-06-27 10:37:27 -0700 | [diff] [blame] | 455 | SkASSERT(fValue[i].key); |
| 456 | SkASSERT(fValue[i].value); |
reed@google.com | 2812b80 | 2011-07-19 15:46:40 +0000 | [diff] [blame] | 457 | fValue[i].key->unref(); |
| 458 | fValue[i].value->unref(); |
vandebo@chromium.org | d877fdb | 2010-10-12 23:08:13 +0000 | [diff] [blame] | 459 | } |
| 460 | fValue.reset(); |
| 461 | } |
vandebo@chromium.org | 421d644 | 2011-07-20 17:39:01 +0000 | [diff] [blame] | 462 | |
halcanary | 1f8ed02 | 2014-06-27 10:37:27 -0700 | [diff] [blame] | 463 | void SkPDFDict::remove(const char key[]) { |
| 464 | SkASSERT(key); |
| 465 | SkPDFName name(key); |
| 466 | SkAutoMutexAcquire lock(fMutex); |
| 467 | for (int i = 0; i < fValue.count(); i++) { |
| 468 | SkASSERT(fValue[i].key); |
| 469 | if (*(fValue[i].key) == name) { |
| 470 | fValue[i].key->unref(); |
| 471 | SkASSERT(fValue[i].value); |
| 472 | fValue[i].value->unref(); |
| 473 | fValue.removeShuffle(i); |
| 474 | return; |
| 475 | } |
| 476 | } |
vandebo@chromium.org | 421d644 | 2011-07-20 17:39:01 +0000 | [diff] [blame] | 477 | } |
| 478 | |
halcanary | 1f8ed02 | 2014-06-27 10:37:27 -0700 | [diff] [blame] | 479 | void SkPDFDict::mergeFrom(const SkPDFDict& other) { |
| 480 | SkAutoMutexAcquire lockOther(other.fMutex); |
| 481 | SkTDArray<Rec> copy(other.fValue); |
| 482 | lockOther.release(); // Do not hold both mutexes at once. |
| 483 | |
| 484 | SkAutoMutexAcquire lock(fMutex); |
| 485 | for (int i = 0; i < copy.count(); i++) { |
| 486 | *(fValue.append()) = Rec(SkRef(copy[i].key), SkRef(copy[i].value)); |
vandebo@chromium.org | 421d644 | 2011-07-20 17:39:01 +0000 | [diff] [blame] | 487 | } |
vandebo@chromium.org | 421d644 | 2011-07-20 17:39:01 +0000 | [diff] [blame] | 488 | } |