diff options
Diffstat (limited to 'plugins/AdvaImg/src/FreeImage/PluginJ2K.cpp')
-rw-r--r-- | plugins/AdvaImg/src/FreeImage/PluginJ2K.cpp | 678 |
1 files changed, 339 insertions, 339 deletions
diff --git a/plugins/AdvaImg/src/FreeImage/PluginJ2K.cpp b/plugins/AdvaImg/src/FreeImage/PluginJ2K.cpp index 6e772afdaa..ae8a6ae88a 100644 --- a/plugins/AdvaImg/src/FreeImage/PluginJ2K.cpp +++ b/plugins/AdvaImg/src/FreeImage/PluginJ2K.cpp @@ -1,339 +1,339 @@ -// ========================================================== -// JPEG2000 J2K codestream Loader and Writer -// -// Design and implementation by -// - Hervé Drolon (drolon@infonie.fr) -// -// This file is part of FreeImage 3 -// -// COVERED CODE IS PROVIDED UNDER THIS LICENSE ON AN "AS IS" BASIS, WITHOUT WARRANTY -// OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION, WARRANTIES -// THAT THE COVERED CODE IS FREE OF DEFECTS, MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE -// OR NON-INFRINGING. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE COVERED -// CODE IS WITH YOU. SHOULD ANY COVERED CODE PROVE DEFECTIVE IN ANY RESPECT, YOU (NOT -// THE INITIAL DEVELOPER OR ANY OTHER CONTRIBUTOR) ASSUME THE COST OF ANY NECESSARY -// SERVICING, REPAIR OR CORRECTION. THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL -// PART OF THIS LICENSE. NO USE OF ANY COVERED CODE IS AUTHORIZED HEREUNDER EXCEPT UNDER -// THIS DISCLAIMER. -// -// Use at your own risk! -// ========================================================== - -#include "FreeImage.h" -#include "Utilities.h" -#include "../LibOpenJPEG/openjpeg.h" - -// ========================================================== -// Plugin Interface -// ========================================================== - -static int s_format_id; - -// ========================================================== -// Helper functions (see J2KHelper.cpp) -// ========================================================== - -FIBITMAP* J2KImageToFIBITMAP(int format_id, const opj_image_t *image); -opj_image_t* FIBITMAPToJ2KImage(int format_id, FIBITMAP *dib, const opj_cparameters_t *parameters); - -// ========================================================== -// Internal functions -// ========================================================== - -/** -OpenJPEG Error callback -*/ -static void j2k_error_callback(const char *msg, void *client_data) { - FreeImage_OutputMessageProc(s_format_id, "Error: %s", msg); -} -/** -OpenJPEG Warning callback -*/ -static void j2k_warning_callback(const char *msg, void *client_data) { - FreeImage_OutputMessageProc(s_format_id, "Warning: %s", msg); -} - -// ========================================================== -// Plugin Implementation -// ========================================================== - -static const char * DLL_CALLCONV -Format() { - return "J2K"; -} - -static const char * DLL_CALLCONV -Description() { - return "JPEG-2000 codestream"; -} - -static const char * DLL_CALLCONV -Extension() { - return "j2k,j2c"; -} - -static const char * DLL_CALLCONV -RegExpr() { - return NULL; -} - -static const char * DLL_CALLCONV -MimeType() { - return "image/j2k"; -} - -static BOOL DLL_CALLCONV -Validate(FreeImageIO *io, fi_handle handle) { - BYTE jpc_signature[] = { 0xFF, 0x4F }; - BYTE signature[2] = { 0, 0 }; - - long tell = io->tell_proc(handle); - io->read_proc(signature, 1, sizeof(jpc_signature), handle); - io->seek_proc(handle, tell, SEEK_SET); - - return (memcmp(jpc_signature, signature, sizeof(jpc_signature)) == 0); -} - -static BOOL DLL_CALLCONV -SupportsExportDepth(int depth) { - return ( - (depth == 8) || - (depth == 24) || - (depth == 32) - ); -} - -static BOOL DLL_CALLCONV -SupportsExportType(FREE_IMAGE_TYPE type) { - return ( - (type == FIT_BITMAP) || - (type == FIT_UINT16) || - (type == FIT_RGB16) || - (type == FIT_RGBA16) - ); -} - -// ---------------------------------------------------------- - -static void * DLL_CALLCONV -Open(FreeImageIO *io, fi_handle handle, BOOL read) { - return NULL; -} - -static void DLL_CALLCONV -Close(FreeImageIO *io, fi_handle handle, void *data) { -} - -// ---------------------------------------------------------- - -static FIBITMAP * DLL_CALLCONV -Load(FreeImageIO *io, fi_handle handle, int page, int flags, void *data) { - if (handle) { - opj_dparameters_t parameters; // decompression parameters - opj_event_mgr_t event_mgr; // event manager - opj_image_t *image = NULL; // decoded image - - BYTE *src = NULL; - long file_length; - - opj_dinfo_t* dinfo = NULL; // handle to a decompressor - opj_cio_t *cio = NULL; - - FIBITMAP *dib = NULL; - - // check the file format - if (!Validate(io, handle)) { - return NULL; - } - - // configure the event callbacks - memset(&event_mgr, 0, sizeof(opj_event_mgr_t)); - event_mgr.error_handler = j2k_error_callback; - event_mgr.warning_handler = j2k_warning_callback; - event_mgr.info_handler = NULL; - - // set decoding parameters to default values - opj_set_default_decoder_parameters(¶meters); - - try { - // read the input file and put it in memory - - long start_pos = io->tell_proc(handle); - io->seek_proc(handle, 0, SEEK_END); - file_length = io->tell_proc(handle) - start_pos; - io->seek_proc(handle, start_pos, SEEK_SET); - src = (BYTE*)malloc(file_length * sizeof(BYTE)); - if (!src) { - throw FI_MSG_ERROR_MEMORY; - } - if(io->read_proc(src, 1, file_length, handle) < 1) { - throw "Error while reading input stream"; - } - - // decode the JPEG-2000 codestream - - // get a decoder handle - dinfo = opj_create_decompress(CODEC_J2K); - - // catch events using our callbacks - opj_set_event_mgr((opj_common_ptr)dinfo, &event_mgr, NULL); - - // setup the decoder decoding parameters using user parameters - opj_setup_decoder(dinfo, ¶meters); - - // open a byte stream - cio = opj_cio_open((opj_common_ptr)dinfo, src, file_length); - - // decode the stream and fill the image structure - image = opj_decode(dinfo, cio); - if (!image) { - throw "Failed to decode image!\n"; - } - - // close the byte stream - opj_cio_close(cio); - cio = NULL; - - // free the memory containing the code-stream - free(src); - src = NULL; - - // free the codec context - opj_destroy_decompress(dinfo); - - // create output image - dib = J2KImageToFIBITMAP(s_format_id, image); - if (!dib) throw "Failed to import JPEG2000 image"; - - // free image data structure - opj_image_destroy(image); - - return dib; - - } catch (const char *text) { - if(src) free(src); - if(dib) FreeImage_Unload(dib); - // free remaining structures - opj_destroy_decompress(dinfo); - opj_image_destroy(image); - // close the byte stream - if(cio) opj_cio_close(cio); - - FreeImage_OutputMessageProc(s_format_id, text); - - return NULL; - } - } - - return NULL; -} - -static BOOL DLL_CALLCONV -Save(FreeImageIO *io, FIBITMAP *dib, fi_handle handle, int page, int flags, void *data) { - if ((dib) && (handle)) { - BOOL bSuccess; - opj_cparameters_t parameters; // compression parameters - opj_event_mgr_t event_mgr; // event manager - opj_image_t *image = NULL; // image to encode - opj_cinfo_t* cinfo = NULL; // codec context - opj_cio_t *cio = NULL; // memory byte stream - - // configure the event callbacks - memset(&event_mgr, 0, sizeof(opj_event_mgr_t)); - event_mgr.error_handler = j2k_error_callback; - event_mgr.warning_handler = j2k_warning_callback; - event_mgr.info_handler = NULL; - - // set encoding parameters to default values - opj_set_default_encoder_parameters(¶meters); - - parameters.tcp_numlayers = 0; - // if no rate entered, apply a 16:1 rate by default - if(flags == J2K_DEFAULT) { - parameters.tcp_rates[0] = (float)16; - } else { - // for now, the flags parameter is only used to specify the rate - parameters.tcp_rates[0] = (float)flags; - } - parameters.tcp_numlayers++; - parameters.cp_disto_alloc = 1; - - try { - // convert the dib to a OpenJPEG image - image = FIBITMAPToJ2KImage(s_format_id, dib, ¶meters); - if (!image) return FALSE; - - // decide if MCT should be used - parameters.tcp_mct = (image->numcomps == 3) ? 1 : 0; - - // encode the destination image - - // get a J2K compressor handle - cinfo = opj_create_compress(CODEC_J2K); - - // catch events using our callbacks - opj_set_event_mgr((opj_common_ptr)cinfo, &event_mgr, NULL); - - // setup the encoder parameters using the current image and using user parameters - opj_setup_encoder(cinfo, ¶meters, image); - - // open a byte stream for writing, allocate memory for all tiles - cio = opj_cio_open((opj_common_ptr)cinfo, NULL, 0); - - // encode the image - bSuccess = opj_encode(cinfo, cio, image, NULL/*parameters.index*/); - if (!bSuccess) { - throw "Failed to encode image"; - } - int codestream_length = cio_tell(cio); - - // write the buffer to user's IO handle - io->write_proc(cio->buffer, 1, codestream_length, handle); - - // close and free the byte stream - opj_cio_close(cio); - - // free remaining compression structures - opj_destroy_compress(cinfo); - - // free image data - opj_image_destroy(image); - - return TRUE; - - } catch (const char *text) { - if(cio) opj_cio_close(cio); - if(cinfo) opj_destroy_compress(cinfo); - if(image) opj_image_destroy(image); - FreeImage_OutputMessageProc(s_format_id, text); - return FALSE; - } - } - - return FALSE; -} - -// ========================================================== -// Init -// ========================================================== - -void DLL_CALLCONV -InitJ2K(Plugin *plugin, int format_id) { - s_format_id = format_id; - - plugin->format_proc = Format; - plugin->description_proc = Description; - plugin->extension_proc = Extension; - plugin->regexpr_proc = RegExpr; - plugin->open_proc = Open; - plugin->close_proc = Close; - plugin->pagecount_proc = NULL; - plugin->pagecapability_proc = NULL; - plugin->load_proc = Load; - plugin->save_proc = Save; - plugin->validate_proc = Validate; - plugin->mime_proc = MimeType; - plugin->supports_export_bpp_proc = SupportsExportDepth; - plugin->supports_export_type_proc = SupportsExportType; - plugin->supports_icc_profiles_proc = NULL; -} +// ==========================================================
+// JPEG2000 J2K codestream Loader and Writer
+//
+// Design and implementation by
+// - Hervé Drolon (drolon@infonie.fr)
+//
+// This file is part of FreeImage 3
+//
+// COVERED CODE IS PROVIDED UNDER THIS LICENSE ON AN "AS IS" BASIS, WITHOUT WARRANTY
+// OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION, WARRANTIES
+// THAT THE COVERED CODE IS FREE OF DEFECTS, MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE
+// OR NON-INFRINGING. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE COVERED
+// CODE IS WITH YOU. SHOULD ANY COVERED CODE PROVE DEFECTIVE IN ANY RESPECT, YOU (NOT
+// THE INITIAL DEVELOPER OR ANY OTHER CONTRIBUTOR) ASSUME THE COST OF ANY NECESSARY
+// SERVICING, REPAIR OR CORRECTION. THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL
+// PART OF THIS LICENSE. NO USE OF ANY COVERED CODE IS AUTHORIZED HEREUNDER EXCEPT UNDER
+// THIS DISCLAIMER.
+//
+// Use at your own risk!
+// ==========================================================
+
+#include "FreeImage.h"
+#include "Utilities.h"
+#include "../LibOpenJPEG/openjpeg.h"
+
+// ==========================================================
+// Plugin Interface
+// ==========================================================
+
+static int s_format_id;
+
+// ==========================================================
+// Helper functions (see J2KHelper.cpp)
+// ==========================================================
+
+FIBITMAP* J2KImageToFIBITMAP(int format_id, const opj_image_t *image);
+opj_image_t* FIBITMAPToJ2KImage(int format_id, FIBITMAP *dib, const opj_cparameters_t *parameters);
+
+// ==========================================================
+// Internal functions
+// ==========================================================
+
+/**
+OpenJPEG Error callback
+*/
+static void j2k_error_callback(const char *msg, void *client_data) {
+ FreeImage_OutputMessageProc(s_format_id, "Error: %s", msg);
+}
+/**
+OpenJPEG Warning callback
+*/
+static void j2k_warning_callback(const char *msg, void *client_data) {
+ FreeImage_OutputMessageProc(s_format_id, "Warning: %s", msg);
+}
+
+// ==========================================================
+// Plugin Implementation
+// ==========================================================
+
+static const char * DLL_CALLCONV
+Format() {
+ return "J2K";
+}
+
+static const char * DLL_CALLCONV
+Description() {
+ return "JPEG-2000 codestream";
+}
+
+static const char * DLL_CALLCONV
+Extension() {
+ return "j2k,j2c";
+}
+
+static const char * DLL_CALLCONV
+RegExpr() {
+ return NULL;
+}
+
+static const char * DLL_CALLCONV
+MimeType() {
+ return "image/j2k";
+}
+
+static BOOL DLL_CALLCONV
+Validate(FreeImageIO *io, fi_handle handle) {
+ BYTE jpc_signature[] = { 0xFF, 0x4F };
+ BYTE signature[2] = { 0, 0 };
+
+ long tell = io->tell_proc(handle);
+ io->read_proc(signature, 1, sizeof(jpc_signature), handle);
+ io->seek_proc(handle, tell, SEEK_SET);
+
+ return (memcmp(jpc_signature, signature, sizeof(jpc_signature)) == 0);
+}
+
+static BOOL DLL_CALLCONV
+SupportsExportDepth(int depth) {
+ return (
+ (depth == 8) ||
+ (depth == 24) ||
+ (depth == 32)
+ );
+}
+
+static BOOL DLL_CALLCONV
+SupportsExportType(FREE_IMAGE_TYPE type) {
+ return (
+ (type == FIT_BITMAP) ||
+ (type == FIT_UINT16) ||
+ (type == FIT_RGB16) ||
+ (type == FIT_RGBA16)
+ );
+}
+
+// ----------------------------------------------------------
+
+static void * DLL_CALLCONV
+Open(FreeImageIO *io, fi_handle handle, BOOL read) {
+ return NULL;
+}
+
+static void DLL_CALLCONV
+Close(FreeImageIO *io, fi_handle handle, void *data) {
+}
+
+// ----------------------------------------------------------
+
+static FIBITMAP * DLL_CALLCONV
+Load(FreeImageIO *io, fi_handle handle, int page, int flags, void *data) {
+ if (handle) {
+ opj_dparameters_t parameters; // decompression parameters
+ opj_event_mgr_t event_mgr; // event manager
+ opj_image_t *image = NULL; // decoded image
+
+ BYTE *src = NULL;
+ long file_length;
+
+ opj_dinfo_t* dinfo = NULL; // handle to a decompressor
+ opj_cio_t *cio = NULL;
+
+ FIBITMAP *dib = NULL;
+
+ // check the file format
+ if(!Validate(io, handle)) {
+ return NULL;
+ }
+
+ // configure the event callbacks
+ memset(&event_mgr, 0, sizeof(opj_event_mgr_t));
+ event_mgr.error_handler = j2k_error_callback;
+ event_mgr.warning_handler = j2k_warning_callback;
+ event_mgr.info_handler = NULL;
+
+ // set decoding parameters to default values
+ opj_set_default_decoder_parameters(¶meters);
+
+ try {
+ // read the input file and put it in memory
+
+ long start_pos = io->tell_proc(handle);
+ io->seek_proc(handle, 0, SEEK_END);
+ file_length = io->tell_proc(handle) - start_pos;
+ io->seek_proc(handle, start_pos, SEEK_SET);
+ src = (BYTE*)malloc(file_length * sizeof(BYTE));
+ if(!src) {
+ throw FI_MSG_ERROR_MEMORY;
+ }
+ if(io->read_proc(src, 1, file_length, handle) < 1) {
+ throw "Error while reading input stream";
+ }
+
+ // decode the JPEG-2000 codestream
+
+ // get a decoder handle
+ dinfo = opj_create_decompress(CODEC_J2K);
+
+ // catch events using our callbacks
+ opj_set_event_mgr((opj_common_ptr)dinfo, &event_mgr, NULL);
+
+ // setup the decoder decoding parameters using user parameters
+ opj_setup_decoder(dinfo, ¶meters);
+
+ // open a byte stream
+ cio = opj_cio_open((opj_common_ptr)dinfo, src, file_length);
+
+ // decode the stream and fill the image structure
+ image = opj_decode(dinfo, cio);
+ if(!image) {
+ throw "Failed to decode image!\n";
+ }
+
+ // close the byte stream
+ opj_cio_close(cio);
+ cio = NULL;
+
+ // free the memory containing the code-stream
+ free(src);
+ src = NULL;
+
+ // free the codec context
+ opj_destroy_decompress(dinfo);
+
+ // create output image
+ dib = J2KImageToFIBITMAP(s_format_id, image);
+ if(!dib) throw "Failed to import JPEG2000 image";
+
+ // free image data structure
+ opj_image_destroy(image);
+
+ return dib;
+
+ } catch (const char *text) {
+ if(src) free(src);
+ if(dib) FreeImage_Unload(dib);
+ // free remaining structures
+ opj_destroy_decompress(dinfo);
+ opj_image_destroy(image);
+ // close the byte stream
+ if(cio) opj_cio_close(cio);
+
+ FreeImage_OutputMessageProc(s_format_id, text);
+
+ return NULL;
+ }
+ }
+
+ return NULL;
+}
+
+static BOOL DLL_CALLCONV
+Save(FreeImageIO *io, FIBITMAP *dib, fi_handle handle, int page, int flags, void *data) {
+ if ((dib) && (handle)) {
+ BOOL bSuccess;
+ opj_cparameters_t parameters; // compression parameters
+ opj_event_mgr_t event_mgr; // event manager
+ opj_image_t *image = NULL; // image to encode
+ opj_cinfo_t* cinfo = NULL; // codec context
+ opj_cio_t *cio = NULL; // memory byte stream
+
+ // configure the event callbacks
+ memset(&event_mgr, 0, sizeof(opj_event_mgr_t));
+ event_mgr.error_handler = j2k_error_callback;
+ event_mgr.warning_handler = j2k_warning_callback;
+ event_mgr.info_handler = NULL;
+
+ // set encoding parameters to default values
+ opj_set_default_encoder_parameters(¶meters);
+
+ parameters.tcp_numlayers = 0;
+ // if no rate entered, apply a 16:1 rate by default
+ if(flags == J2K_DEFAULT) {
+ parameters.tcp_rates[0] = (float)16;
+ } else {
+ // for now, the flags parameter is only used to specify the rate
+ parameters.tcp_rates[0] = (float)flags;
+ }
+ parameters.tcp_numlayers++;
+ parameters.cp_disto_alloc = 1;
+
+ try {
+ // convert the dib to a OpenJPEG image
+ image = FIBITMAPToJ2KImage(s_format_id, dib, ¶meters);
+ if(!image) return FALSE;
+
+ // decide if MCT should be used
+ parameters.tcp_mct = (image->numcomps == 3) ? 1 : 0;
+
+ // encode the destination image
+
+ // get a J2K compressor handle
+ cinfo = opj_create_compress(CODEC_J2K);
+
+ // catch events using our callbacks
+ opj_set_event_mgr((opj_common_ptr)cinfo, &event_mgr, NULL);
+
+ // setup the encoder parameters using the current image and using user parameters
+ opj_setup_encoder(cinfo, ¶meters, image);
+
+ // open a byte stream for writing, allocate memory for all tiles
+ cio = opj_cio_open((opj_common_ptr)cinfo, NULL, 0);
+
+ // encode the image
+ bSuccess = opj_encode(cinfo, cio, image, NULL/*parameters.index*/);
+ if (!bSuccess) {
+ throw "Failed to encode image";
+ }
+ int codestream_length = cio_tell(cio);
+
+ // write the buffer to user's IO handle
+ io->write_proc(cio->buffer, 1, codestream_length, handle);
+
+ // close and free the byte stream
+ opj_cio_close(cio);
+
+ // free remaining compression structures
+ opj_destroy_compress(cinfo);
+
+ // free image data
+ opj_image_destroy(image);
+
+ return TRUE;
+
+ } catch (const char *text) {
+ if(cio) opj_cio_close(cio);
+ if(cinfo) opj_destroy_compress(cinfo);
+ if(image) opj_image_destroy(image);
+ FreeImage_OutputMessageProc(s_format_id, text);
+ return FALSE;
+ }
+ }
+
+ return FALSE;
+}
+
+// ==========================================================
+// Init
+// ==========================================================
+
+void DLL_CALLCONV
+InitJ2K(Plugin *plugin, int format_id) {
+ s_format_id = format_id;
+
+ plugin->format_proc = Format;
+ plugin->description_proc = Description;
+ plugin->extension_proc = Extension;
+ plugin->regexpr_proc = RegExpr;
+ plugin->open_proc = Open;
+ plugin->close_proc = Close;
+ plugin->pagecount_proc = NULL;
+ plugin->pagecapability_proc = NULL;
+ plugin->load_proc = Load;
+ plugin->save_proc = Save;
+ plugin->validate_proc = Validate;
+ plugin->mime_proc = MimeType;
+ plugin->supports_export_bpp_proc = SupportsExportDepth;
+ plugin->supports_export_type_proc = SupportsExportType;
+ plugin->supports_icc_profiles_proc = NULL;
+}
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