**
** === N O T E S ===========================================================
**
-** FIXME: THIS DOES NOT ACTUALLY WORK YET
-**
** You will need to read the PNG and MNG specs to understand this code
**
** ========================================================================= */
static mng_bool MNG_DECL
mng_null_proc(mng_handle mng)
{
- synfig::error("mng_trgt: error: mng_null_proc");
+ // synfig::info("%s:%d mng_trgt::mng_null_proc was called", __FILE__, __LINE__);
return MNG_TRUE;
}
static mng_bool MNG_DECL
mng_write_proc(mng_handle mng, mng_ptr buf, mng_uint32 size, mng_uint32* written)
{
- synfig::error("mng_trgt: error: mng_write_proc");
FILE* file = (FILE*)mng_get_userdata (mng);
*written = fwrite(buf, 1, size, file);
return MNG_TRUE;
mng_error_proc(mng_handle mng, mng_int32 error, mng_int8 severity, mng_chunkid chunkname,
mng_uint32 chunkseq, mng_int32 extra1, mng_int32 extra2, mng_pchar errortext)
{
- // mng_trgt* me =
- (mng_trgt*)mng_get_userdata (mng);
- fprintf(stderr,"mng_trgt: error: %s",errortext);
- // me->ready=false;
+ synfig::error("%s:%d mng_trgt: error: %s", __FILE__, __LINE__, errortext);
return MNG_TRUE;
}
-mng_trgt::mng_trgt(const char *Filename):
- filename(Filename)
+mng_trgt::mng_trgt(const char *Filename) : filename(Filename)
{
file=NULL;
buffer=NULL;
mng_trgt::~mng_trgt()
{
- synfig::error("mng_trgt: error: ~mng_trgt");
+ synfig::info("mng_trgt: ~mng_trgt");
if (mng != MNG_NULL)
{
mng_putchunk_mend(mng);
- if (mng_write(mng) != 0 )
+ if (mng_write(mng) != 0)
{
mng_int8 severity;
mng_chunkid chunkname;
}
mng_cleanup (&mng);
}
- if (file != NULL ) fclose(file); file=NULL;
- if (buffer != NULL ) { delete [] buffer; buffer = NULL; }
- if (color_buffer != NULL ) { delete [] color_buffer; color_buffer = NULL; }
- if (zbuffer != NULL ) { free(zbuffer); zbuffer = NULL; zbuffer_len = 0; }
+ if (file != NULL) fclose(file); file=NULL;
+ if (buffer != NULL) { delete [] buffer; buffer = NULL; }
+ if (color_buffer != NULL) { delete [] color_buffer; color_buffer = NULL; }
+ if (zbuffer != NULL) { free(zbuffer); zbuffer = NULL; zbuffer_len = 0; }
}
bool
{
desc=*given_desc;
imagecount=desc.get_frame_start();
- if(desc.get_frame_end()-desc.get_frame_start()>0)
+ if (desc.get_frame_end()-desc.get_frame_start()>0)
multi_image=true;
else
multi_image=false;
bool
mng_trgt::init()
{
+ // synfig::info("%s:%d mng_trgt::init()", __FILE__, __LINE__);
+
+ int frame_rate, num_frames, play_time;
+ int num_layers = 1;
+
+ if (multi_image)
+ {
+ frame_rate = int(desc.get_frame_rate());
+ printf("frame rt %d\n", frame_rate);
+ num_frames = desc.get_frame_end()-desc.get_frame_start();
+ play_time = num_frames;// / frame_rate;
+ }
+ else
+ {
+ frame_rate = 0;
+ num_frames = 1;
+ play_time = 0;
+ }
+
time_t t = time (NULL);
struct tm* gmt = gmtime(&t);
w=desc.get_w(); h=desc.get_h();
- //synfig::error("mng_trgt: init %d %d",w,h);
file = fopen(filename.c_str(), POPEN_BINARY_WRITE_TYPE);
- if (file == NULL ) goto cleanup_on_error;
+ if (file == NULL) goto cleanup_on_error;
mng = mng_initialize((mng_ptr)file, mng_alloc_proc, mng_free_proc, MNG_NULL);
- if(mng == MNG_NULL) goto cleanup_on_error;
- if (mng_setcb_errorproc(mng, mng_error_proc) != 0 ) goto cleanup_on_error;
- if (mng_setcb_writedata(mng, mng_write_proc) != 0 ) goto cleanup_on_error;
- if (mng_setcb_openstream(mng, mng_null_proc) != 0 ) goto cleanup_on_error;
- if (mng_setcb_closestream(mng, mng_null_proc) != 0 ) goto cleanup_on_error;
- if (mng_create(mng) != 0 ) goto cleanup_on_error;
- if (mng_putchunk_mhdr(mng, w, h, multi_image?1000:0, 1, desc.get_frame_end()-desc.get_frame_start(), 0, 0) != 0 ) goto cleanup_on_error;
- if (mng_putchunk_term(mng, MNG_TERMACTION_REPEAT, MNG_ITERACTION_LASTFRAME, 0, 0x7fffffff) != 0 ) goto cleanup_on_error;
- if (mng_putchunk_text(mng, sizeof(MNG_TEXT_TITLE), MNG_TEXT_TITLE, get_canvas()->get_name().length(), const_cast<char *>(get_canvas()->get_name().c_str()) ) != 0 ) goto cleanup_on_error;
- if (mng_putchunk_text(mng, sizeof(MNG_TEXT_DESCRIPTION), MNG_TEXT_DESCRIPTION, get_canvas()->get_description().length(), const_cast<char *>(get_canvas()->get_description().c_str()) ) != 0 ) goto cleanup_on_error;
- if (mng_putchunk_text(mng, sizeof(MNG_TEXT_SOFTWARE), MNG_TEXT_SOFTWARE, sizeof("SYNFIG"), "SYNFIG" ) != 0 ) goto cleanup_on_error;
- /* FIXME: not sure if this is correct */
- if (mng_putchunk_gama(mng, MNG_FALSE, (int)(1.0/gamma().get_gamma()*100000)) != 0 ) goto cleanup_on_error;
- if (mng_putchunk_phyg(mng, MNG_FALSE,round_to_int(desc.get_x_res()),round_to_int(desc.get_y_res()),MNG_UNIT_METER) != 0 ) goto cleanup_on_error;
- if (mng_putchunk_time(mng, gmt->tm_year + 1900, gmt->tm_mon + 1, gmt->tm_mday, gmt->tm_hour, gmt->tm_min, gmt->tm_sec) != 0 ) goto cleanup_on_error;
- buffer=new unsigned char[4*w];
- if (buffer == NULL ) goto cleanup_on_error;
+ if (mng == MNG_NULL) goto cleanup_on_error;
+ if (mng_setcb_errorproc(mng, mng_error_proc) != 0) goto cleanup_on_error;
+ if (mng_setcb_writedata(mng, mng_write_proc) != 0) goto cleanup_on_error;
+ if (mng_setcb_openstream(mng, mng_null_proc) != 0) goto cleanup_on_error;
+ if (mng_setcb_closestream(mng, mng_null_proc) != 0) goto cleanup_on_error;
+ if (mng_create(mng) != 0) goto cleanup_on_error;
+ if (mng_putchunk_mhdr(mng, w, h, frame_rate, num_layers, num_frames, play_time, MNG_SIMPLICITY_VALID|MNG_SIMPLICITY_SIMPLEFEATURES) != 0) goto cleanup_on_error;
+ if (mng_putchunk_term(mng, MNG_TERMACTION_REPEAT, MNG_ITERACTION_LASTFRAME, 0, 0x7fffffff) != 0) goto cleanup_on_error;
+ if (mng_putchunk_text(mng, sizeof(MNG_TEXT_TITLE), MNG_TEXT_TITLE, get_canvas()->get_name().length(), const_cast<char *>(get_canvas()->get_name().c_str())) != 0) goto cleanup_on_error;
+ if (mng_putchunk_text(mng, sizeof(MNG_TEXT_DESCRIPTION), MNG_TEXT_DESCRIPTION, get_canvas()->get_description().length(), const_cast<char *>(get_canvas()->get_description().c_str())) != 0) goto cleanup_on_error;
+ if (mng_putchunk_text(mng, sizeof(MNG_TEXT_SOFTWARE), MNG_TEXT_SOFTWARE, sizeof("SYNFIG"), "SYNFIG") != 0) goto cleanup_on_error;
+ if (mng_putchunk_gama(mng, MNG_FALSE, (int)(1.0/gamma().get_gamma()*100000)) != 0) goto cleanup_on_error;
+ if (mng_putchunk_phys(mng, MNG_FALSE, round_to_int(desc.get_x_res()),round_to_int(desc.get_y_res()), MNG_UNIT_METER) != 0) goto cleanup_on_error;
+ if (mng_putchunk_time(mng, gmt->tm_year + 1900, gmt->tm_mon + 1, gmt->tm_mday, gmt->tm_hour, gmt->tm_min, gmt->tm_sec) != 0) goto cleanup_on_error;
+ buffer=new unsigned char[(4*w)+1];
+ if (buffer == NULL) goto cleanup_on_error;
color_buffer=new Color[w];
- if (color_buffer == NULL ) goto cleanup_on_error;
+ if (color_buffer == NULL) goto cleanup_on_error;
return true;
cleanup_on_error:
synfig::error("mng_trgt: libmng: %s",errortext);
mng_cleanup (&mng);
}
- if (file && file!=stdout ) fclose(file); file=NULL;
- if (buffer != NULL ) { delete [] buffer; buffer = NULL; }
- if (color_buffer != NULL ) { delete [] color_buffer; color_buffer = NULL; }
+
+ if (file && file!=stdout)
+ fclose(file);
+ file=NULL;
+
+ if (buffer != NULL)
+ {
+ delete [] buffer;
+ buffer = NULL;
+ }
+
+ if (color_buffer != NULL)
+ {
+ delete [] color_buffer;
+ color_buffer = NULL;
+ }
+
return false;
}
void
mng_trgt::end_frame()
{
- //synfig::error("mng_trgt: endf %d %d",w,h);
- //synfig::error("mng_trgt: error: endframe");
- deflate(&zstream,Z_FINISH);
- deflateEnd(&zstream);
- if (mng != MNG_NULL )
+ // synfig::info("%s:%d mng_trgt::end_frame()", __FILE__, __LINE__);
+
+ if (deflate(&zstream,Z_FINISH) != Z_STREAM_END)
{
- // mng_int8 severity;
- // mng_chunkid chunkname;
- // mng_uint32 chunkseq;
- // mng_int32 extra1;
- // mng_int32 extra2;
- // mng_pchar errortext;
- mng_putchunk_idat(mng, zbuffer_len, zbuffer);
- //mng_getlasterror (mng, &severity, &chunkname, &chunkseq, &extra1,&extra2, &errortext);
- //synfig::error("mng_trgt: libmng: %s %d",errortext,zbuffer_len);
+ synfig::error("%s:%d deflate()", __FILE__, __LINE__);
+ return;
+ }
+ if (deflateEnd(&zstream) != Z_OK)
+ {
+ synfig::error("%s:%d deflateEnd()", __FILE__, __LINE__);
+ return;
+ }
+ if (mng != MNG_NULL)
+ {
+ mng_putchunk_idat(mng, zstream.next_out-zbuffer, zbuffer);
mng_putchunk_iend(mng);
- //mng_getlasterror (mng, &severity, &chunkname, &chunkseq, &extra1,&extra2, &errortext);
- //synfig::error("mng_trgt: libmng: %s %d",errortext);
}
imagecount++;
ready=false;
bool
mng_trgt::start_frame(synfig::ProgressCallback *callback)
{
- //synfig::error("mng_trgt: startf %d %d",w,h);
- //synfig::error("mng_trgt: error: startframe");
- /*
- FIXME: figure out if we need this
- mng_putchunk_fram(mng,
- MNG_FALSE,
- MNG_FRAMINGMODE_NOCHANGE,
- 0,
- NULL,
- MNG_CHANGEDELAY_NO,
- MNG_CHANGETIMOUT_NO,
- MNG_CHANGECLIPPING_NO,
- MNG_CHANGESYNCID_NO,
- 0,
- 0,
- 0,
- layer_offset_x,
- layer_offset_x + layer_cols,
- layer_offset_y,
- layer_offset_y + layer_rows,
- 0,
- 0)
- mng_getchunk_fram(mng_handle hHandle,
- mng_handle hChunk,
- mng_bool *bEmpty,
- mng_uint8 *iMode,
- mng_uint32 *iNamesize,
- mng_pchar *zName,
- mng_uint8 *iChangedelay,
- mng_uint8 *iChangetimeout,
- mng_uint8 *iChangeclipping,
- mng_uint8 *iChangesyncid,
- mng_uint32 *iDelay,
- mng_uint32 *iTimeout,
- mng_uint8 *iBoundarytype,
- mng_int32 *iBoundaryl,
- mng_int32 *iBoundaryr,
- mng_int32 *iBoundaryt,
- mng_int32 *iBoundaryb,
- mng_uint32 *iCount,
- mng_uint32p *pSyncids);
- */
- if (mng == MNG_NULL ) return false;
- if (mng_putchunk_defi(mng,0,MNG_DONOTSHOW_VISIBLE,MNG_ABSTRACT,MNG_FALSE,0,0,MNG_FALSE,0,0,0,0) != 0) return false;
- if (mng_putchunk_ihdr(mng,w,h,MNG_BITDEPTH_8,MNG_COLORTYPE_RGBA,MNG_COMPRESSION_DEFLATE, 0/*MNG_FILTER_NO_DIFFERING*/,MNG_INTERLACE_NONE) != 0) return false;
+ // synfig::info("%s:%d mng_trgt::start_frame()", __FILE__, __LINE__);
+
+ if (mng == MNG_NULL)
+ {
+ synfig::error("%s:%d mng == MNG_NULL", __FILE__, __LINE__);
+ return false;
+ }
+
+ if (mng_putchunk_ihdr(mng, w, h, MNG_BITDEPTH_8, MNG_COLORTYPE_RGBA, MNG_COMPRESSION_DEFLATE, MNG_FILTER_ADAPTIVE, MNG_INTERLACE_NONE) != 0)
+ {
+ synfig::error("%s:%d mng_putchunk_ihdr()", __FILE__, __LINE__);
+ return false;
+ }
+
zstream.zalloc = Z_NULL;
zstream.zfree = Z_NULL;
zstream.opaque = Z_NULL;
- zstream.data_type = Z_BINARY;
- if (deflateInit(&zstream, Z_DEFAULT_COMPRESSION) != Z_OK ) return false;
- //zbuffer_len = deflateBound(&zstream,4*w*h);
- if(zbuffer == NULL)
+
+ if (deflateInit(&zstream, /* Z_BEST_COMPRESSION */ Z_DEFAULT_COMPRESSION) != Z_OK)
+ {
+ synfig::error("%s:%d deflateInit()", __FILE__, __LINE__);
+ return false;
+ }
+
+ if (zbuffer == NULL)
{
- zbuffer_len = 4*w*h;
+ zbuffer_len = deflateBound(&zstream,((4*w)+1)*h); // don't forget the 'filter' byte - one per scanline
zbuffer = (unsigned char*)realloc(zbuffer, zbuffer_len);
- zstream.next_out = zbuffer;
- zstream.avail_out = zbuffer_len;
}
+
+ zstream.avail_out = zbuffer_len;
+ zstream.next_out = zbuffer;
+
ready=true;
+
return true;
}
Color*
mng_trgt::start_scanline(int scanline)
{
- //synfig::error("mng_trgt: starts %d %d",w,h);
- //synfig::error("mng_trgt: error: startscanline");
return color_buffer;
}
bool
mng_trgt::end_scanline()
{
- //synfig::error("mng_trgt: ends %d %d",w,h);
- //synfig::error("mng_trgt: error: endscanline");
- if(!file || !ready)
+ if (!file || !ready)
+ {
+ synfig::error("%s:%d !file or !ready", __FILE__, __LINE__);
return false;
- convert_color_format(buffer, color_buffer, desc.get_w(), PF_RGB|PF_A, gamma());
- /* FIXME: Implement buffer management */
+ }
+
+ *buffer = MNG_FILTER_NONE;
+ convert_color_format(buffer+1, color_buffer, desc.get_w(), PF_RGB|PF_A, gamma());
+
zstream.next_in = buffer;
- zstream.avail_in = 4*w;
- deflate(&zstream,Z_NO_FLUSH);
+ zstream.avail_in = (4*w)+1;
+
+ if (deflate(&zstream,Z_NO_FLUSH) != Z_OK) {
+ synfig::error("%s:%d deflate()", __FILE__, __LINE__);
+ return false;
+ }
+
return true;
}
projects / synfig.git / commitdiff