diff options
Diffstat (limited to 'indra/llimage')
| -rw-r--r-- | indra/llimage/llimagej2c.cpp | 12 | ||||
| -rw-r--r-- | indra/llimage/llimagej2c.h | 4 |
2 files changed, 16 insertions, 0 deletions
diff --git a/indra/llimage/llimagej2c.cpp b/indra/llimage/llimagej2c.cpp index 80fec7f8a0..a90df0f1c1 100644 --- a/indra/llimage/llimagej2c.cpp +++ b/indra/llimage/llimagej2c.cpp @@ -139,6 +139,15 @@ BOOL LLImageJ2C::updateData() return res; } +BOOL LLImageJ2C::initDecode(LLImageRaw &raw_image, int discard_level, int* region) +{ + return mImpl->initDecode(*this,raw_image,discard_level,region); +} + +BOOL LLImageJ2C::initEncode(LLImageRaw &raw_image, int blocks_size, int precincts_size) +{ + return mImpl->initEncode(*this,raw_image,blocks_size,precincts_size); +} BOOL LLImageJ2C::decode(LLImageRaw *raw_imagep, F32 decode_time) { @@ -251,6 +260,9 @@ S32 LLImageJ2C::calcHeaderSizeJ2C() //static S32 LLImageJ2C::calcDataSizeJ2C(S32 w, S32 h, S32 comp, S32 discard_level, F32 rate) { + // Note: this only provides an *estimate* of the size in bytes of an image level + // *TODO: find a way to read the true size (when available) and convey the fact + // that the result is an estimate in the other cases if (rate <= 0.f) rate = .125f; while (discard_level > 0) { diff --git a/indra/llimage/llimagej2c.h b/indra/llimage/llimagej2c.h index dd5bec8b2e..6bba81aab5 100644 --- a/indra/llimage/llimagej2c.h +++ b/indra/llimage/llimagej2c.h @@ -56,6 +56,8 @@ public: /*virtual*/ void resetLastError(); /*virtual*/ void setLastError(const std::string& message, const std::string& filename = std::string()); + BOOL initDecode(LLImageRaw &raw_image, int discard_level, int* region); + BOOL initEncode(LLImageRaw &raw_image, int blocks_size, int precincts_size); // Encode with comment text BOOL encode(const LLImageRaw *raw_imagep, const char* comment_text, F32 encode_time=0.0); @@ -117,6 +119,8 @@ protected: virtual BOOL decodeImpl(LLImageJ2C &base, LLImageRaw &raw_image, F32 decode_time, S32 first_channel, S32 max_channel_count) = 0; virtual BOOL encodeImpl(LLImageJ2C &base, const LLImageRaw &raw_image, const char* comment_text, F32 encode_time=0.0, BOOL reversible=FALSE) = 0; + virtual BOOL initDecode(LLImageJ2C &base, LLImageRaw &raw_image, int discard_level = -1, int* region = NULL) = 0; + virtual BOOL initEncode(LLImageJ2C &base, LLImageRaw &raw_image, int blocks_size = -1, int precincts_size = -1) = 0; friend class LLImageJ2C; }; |