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| 1 /* | 1 /* |
| 2 * Copyright (C) 2006 Apple Computer, Inc. | 2 * Copyright (C) 2006 Apple Computer, Inc. |
| 3 * Copyright (C) Research In Motion Limited 2009-2010. All rights reserved. | 3 * Copyright (C) Research In Motion Limited 2009-2010. All rights reserved. |
| 4 * | 4 * |
| 5 * Portions are Copyright (C) 2001 mozilla.org | 5 * Portions are Copyright (C) 2001 mozilla.org |
| 6 * | 6 * |
| 7 * Other contributors: | 7 * Other contributors: |
| 8 * Stuart Parmenter <stuart@mozilla.com> | 8 * Stuart Parmenter <stuart@mozilla.com> |
| 9 * | 9 * |
| 10 * This library is free software; you can redistribute it and/or | 10 * This library is free software; you can redistribute it and/or |
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| 223 char* profileName = nullptr; | 223 char* profileName = nullptr; |
| 224 int compressionType = 0; | 224 int compressionType = 0; |
| 225 #if (PNG_LIBPNG_VER < 10500) | 225 #if (PNG_LIBPNG_VER < 10500) |
| 226 png_charp profile = nullptr; | 226 png_charp profile = nullptr; |
| 227 #else | 227 #else |
| 228 png_bytep profile = nullptr; | 228 png_bytep profile = nullptr; |
| 229 #endif | 229 #endif |
| 230 png_uint_32 profileLength = 0; | 230 png_uint_32 profileLength = 0; |
| 231 if (png_get_iCCP(png, info, &profileName, &compressionType, &profile, | 231 if (png_get_iCCP(png, info, &profileName, &compressionType, &profile, |
| 232 &profileLength)) { | 232 &profileLength)) { |
| 233 setColorSpaceAndComputeTransform(reinterpret_cast<char*>(profile), | 233 setColorProfileAndComputeTransform(reinterpret_cast<char*>(profile), |
| 234 profileLength); | 234 profileLength); |
| 235 } | 235 } |
| 236 } | 236 } |
| 237 #endif // PNG_iCCP_SUPPORTED | 237 #endif // PNG_iCCP_SUPPORTED |
| 238 } | 238 } |
| 239 | 239 |
| 240 if (!hasColorSpace()) { | 240 if (!hasEmbeddedColorSpace()) { |
| 241 // TODO (msarett): | 241 // TODO (msarett): |
| 242 // Applying the transfer function (gamma) should be handled by | 242 // Applying the transfer function (gamma) should be handled by |
| 243 // SkColorSpaceXform. Here we always convert to a transfer function that | 243 // SkColorSpaceXform. Here we always convert to a transfer function that |
| 244 // is a 2.2 exponential. This is a little strange given that the dst | 244 // is a 2.2 exponential. This is a little strange given that the dst |
| 245 // transfer function is not necessarily a 2.2 exponential. | 245 // transfer function is not necessarily a 2.2 exponential. |
| 246 // TODO (msarett): | 246 // TODO (msarett): |
| 247 // Often, PNGs that specify their transfer function with the gAMA tag will | 247 // Often, PNGs that specify their transfer function with the gAMA tag will |
| 248 // also specify their gamut with the cHRM tag. We should read this tag | 248 // also specify their gamut with the cHRM tag. We should read this tag |
| 249 // and do a full color space transformation if it is present. | 249 // and do a full color space transformation if it is present. |
| 250 const double inverseGamma = 0.45455; | 250 const double inverseGamma = 0.45455; |
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| 453 // has failed. | 453 // has failed. |
| 454 if (!m_reader->decode(*m_data, onlySize) && isAllDataReceived()) | 454 if (!m_reader->decode(*m_data, onlySize) && isAllDataReceived()) |
| 455 setFailed(); | 455 setFailed(); |
| 456 | 456 |
| 457 // If decoding is done or failed, we don't need the PNGImageReader anymore. | 457 // If decoding is done or failed, we don't need the PNGImageReader anymore. |
| 458 if (isComplete(this) || failed()) | 458 if (isComplete(this) || failed()) |
| 459 m_reader.reset(); | 459 m_reader.reset(); |
| 460 } | 460 } |
| 461 | 461 |
| 462 } // namespace blink | 462 } // namespace blink |
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