GimpImage *
gimp_create_image (Gimp *gimp,
gint width,
gint height,
GimpImageBaseType type,
GimpPrecision precision,
gboolean attach_comment)
{
GimpImage *image;
g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
image = gimp_image_new (gimp, width, height, type, precision);
if (attach_comment)
{
const gchar *comment;
comment = gimp_template_get_comment (gimp->config->default_image);
if (comment)
{
GimpParasite *parasite = gimp_parasite_new ("gimp-comment",
GIMP_PARASITE_PERSISTENT,
strlen (comment) + 1,
comment);
gimp_image_parasite_attach (image, parasite);
gimp_parasite_free (parasite);
}
}
return image;
}
static gint32
create_image (GdkPixbuf *pixbuf,
GdkRegion *shape,
const gchar *name)
{
gint32 image;
gint32 layer;
gdouble xres, yres;
gchar *comment;
gint width, height;
gboolean status;
status = gimp_progress_init (_("Importing screenshot"));
width = gdk_pixbuf_get_width (pixbuf);
height = gdk_pixbuf_get_height (pixbuf);
image = gimp_image_new (width, height, GIMP_RGB);
gimp_image_undo_disable (image);
gimp_get_monitor_resolution (&xres, &yres);
gimp_image_set_resolution (image, xres, yres);
comment = gimp_get_default_comment ();
if (comment)
{
GimpParasite *parasite;
parasite = gimp_parasite_new ("gimp-comment", GIMP_PARASITE_PERSISTENT,
strlen (comment) + 1, comment);
gimp_image_parasite_attach (image, parasite);
gimp_parasite_free (parasite);
g_free (comment);
}
layer = gimp_layer_new_from_pixbuf (image,
name ? name : _("Screenshot"),
pixbuf,
100, GIMP_NORMAL_MODE, 0.0, 1.0);
gimp_image_add_layer (image, layer, 0);
if (shape && ! gdk_region_empty (shape))
{
image_select_shape (image, shape);
if (! gimp_selection_is_empty (image))
{
gimp_layer_add_alpha (layer);
gimp_edit_clear (layer);
gimp_selection_none (image);
}
}
gimp_image_undo_enable (image);
return image;
}
void
gimp_item_parasite_attach (GimpItem *item,
const GimpParasite *parasite)
{
GimpParasite copy;
g_return_if_fail (GIMP_IS_ITEM (item));
g_return_if_fail (parasite != NULL);
/* make a temporary copy of the GimpParasite struct because
* gimp_parasite_shift_parent() changes it
*/
copy = *parasite;
if (gimp_item_is_attached (item))
{
/* only set the dirty bit manually if we can be saved and the new
* parasite differs from the current one and we aren't undoable
*/
if (gimp_parasite_is_undoable (©))
{
/* do a group in case we have attach_parent set */
gimp_image_undo_group_start (item->image,
GIMP_UNDO_GROUP_PARASITE_ATTACH,
_("Attach Parasite"));
gimp_image_undo_push_item_parasite (item->image, NULL, item, ©);
}
else if (gimp_parasite_is_persistent (©) &&
! gimp_parasite_compare (©,
gimp_item_parasite_find
(item, gimp_parasite_name (©))))
{
gimp_image_undo_push_cantundo (item->image,
_("Attach Parasite to Item"));
}
}
gimp_parasite_list_add (item->parasites, ©);
if (gimp_parasite_has_flag (©, GIMP_PARASITE_ATTACH_PARENT))
{
gimp_parasite_shift_parent (©);
gimp_image_parasite_attach (item->image, ©);
}
else if (gimp_parasite_has_flag (©, GIMP_PARASITE_ATTACH_GRANDPARENT))
{
gimp_parasite_shift_parent (©);
gimp_parasite_shift_parent (©);
gimp_parasite_attach (item->image->gimp, ©);
}
if (gimp_item_is_attached (item) &&
gimp_parasite_is_undoable (©))
{
gimp_image_undo_group_end (item->image);
}
}
/**
* gimp_image_attach_new_parasite:
* @image_ID: the ID of the image to attach the #GimpParasite to.
* @name: the name of the #GimpParasite to create and attach.
* @flags: the flags set on the #GimpParasite.
* @size: the size of the parasite data in bytes.
* @data: a pointer to the data attached with the #GimpParasite.
*
* Convenience function that creates a parasite and attaches it
* to GIMP.
*
* Deprecated: Use gimp_image_parasite_attach() instead.
*
* Return value: TRUE on successful creation and attachment of
* the new parasite.
*
* See Also: gimp_image_parasite_attach()
*/
gboolean
gimp_image_attach_new_parasite (gint32 image_ID,
const gchar *name,
gint flags,
gint size,
gconstpointer data)
{
GimpParasite *parasite = gimp_parasite_new (name, flags, size, data);
gboolean success;
success = gimp_image_parasite_attach (image_ID, parasite);
gimp_parasite_free (parasite);
return success;
}
void
gimp_image_set_icc_parasite (GimpImage *image,
const GimpParasite *icc_parasite)
{
g_return_if_fail (GIMP_IS_IMAGE (image));
if (icc_parasite)
{
g_return_if_fail (gimp_image_validate_icc_parasite (image, icc_parasite,
NULL, NULL) == TRUE);
gimp_image_parasite_attach (image, icc_parasite);
}
else
{
gimp_image_parasite_detach (image, GIMP_ICC_PROFILE_PARASITE_NAME);
}
}
/* -----------------------------------------
* p_add_image_to_list_of_duplicated_images
* -----------------------------------------
* add specified image to the list of duplicated images.
* this list contains temporary images of both fetched video frames
* and merged duplicates of the cached original images.
*/
static void
p_add_image_to_list_of_duplicated_images(gint32 image_id, gint32 ffetch_user_id)
{
GimpParasite *l_parasite;
/* attach a parasite to mark the image as part of the gap image duplicates cache */
l_parasite = gimp_parasite_new(GAP_IMAGE_DUP_CACHE_PARASITE
,0 /* GIMP_PARASITE_PERSISTENT 0 for non persistent */
, sizeof(gint32) /* size of parasite data */
,&ffetch_user_id /* parasite data */
);
if(l_parasite)
{
gimp_image_parasite_attach(image_id, l_parasite);
gimp_parasite_free(l_parasite);
}
} /* end p_add_image_to_list_of_duplicated_images */
static GValueArray *
image_parasite_attach_invoker (GimpProcedure *procedure,
Gimp *gimp,
GimpContext *context,
GimpProgress *progress,
const GValueArray *args,
GError **error)
{
gboolean success = TRUE;
GimpImage *image;
const GimpParasite *parasite;
image = gimp_value_get_image (&args->values[0], gimp);
parasite = g_value_get_boxed (&args->values[1]);
if (success)
{
gimp_image_parasite_attach (image, parasite);
}
return gimp_procedure_get_return_values (procedure, success,
error ? *error : NULL);
}
/**
* jpeg_detect_original_settings:
* @cinfo: a pointer to a JPEG decompressor info.
* @image_ID: the image to which the parasite should be attached.
*
* Analyze the image being decompressed (@cinfo) and extract the
* sampling factors, quantization tables and overall image quality.
* Store this information in a parasite and attach it to @image_ID.
*
* This function must be called after jpeg_read_header() so that
* @cinfo contains the quantization tables and the sampling factors
* for each component.
*
* Return Value: TRUE if a parasite has been attached to @image_ID.
*/
gboolean
jpeg_detect_original_settings (struct jpeg_decompress_struct *cinfo,
gint32 image_ID)
{
guint parasite_size;
guchar *parasite_data;
GimpParasite *parasite;
guchar *dest;
gint quality;
gint num_quant_tables = 0;
gint t;
gint i;
g_return_val_if_fail (cinfo != NULL, FALSE);
if (cinfo->jpeg_color_space == JCS_UNKNOWN
|| cinfo->out_color_space == JCS_UNKNOWN)
return FALSE;
quality = jpeg_detect_quality (cinfo);
/* no need to attach quantization tables if they are the ones from IJG */
if (quality <= 0)
{
for (t = 0; t < 4; t++)
if (cinfo->quant_tbl_ptrs[t])
num_quant_tables++;
}
parasite_size = 4 + cinfo->num_components * 2 + num_quant_tables * 128;
parasite_data = g_new (guchar, parasite_size);
dest = parasite_data;
*dest++ = CLAMP0255 (cinfo->jpeg_color_space);
*dest++ = ABS (quality);
*dest++ = CLAMP0255 (cinfo->num_components);
*dest++ = num_quant_tables;
for (i = 0; i < cinfo->num_components; i++)
{
*dest++ = CLAMP0255 (cinfo->comp_info[i].h_samp_factor);
*dest++ = CLAMP0255 (cinfo->comp_info[i].v_samp_factor);
}
if (quality <= 0)
{
for (t = 0; t < 4; t++)
if (cinfo->quant_tbl_ptrs[t])
for (i = 0; i < DCTSIZE2; i++)
{
guint16 c = cinfo->quant_tbl_ptrs[t]->quantval[i];
*dest++ = c / 256;
*dest++ = c & 255;
}
}
parasite = gimp_parasite_new ("jpeg-settings",
GIMP_PARASITE_PERSISTENT,
parasite_size,
parasite_data);
g_free (parasite_data);
gimp_image_parasite_attach (image_ID, parasite);
gimp_parasite_free (parasite);
return TRUE;
}
void ptRun(const gchar* Name,
gint NrParameters,
const GimpParam* Parameter,
gint *nreturn_vals,
GimpParam **return_vals) {
printf("(%s,%d) '%s'\n",__FILE__,__LINE__,__PRETTY_FUNCTION__);
printf("Name : '%s'\n",Name);
printf("NrParameters : %d\n",NrParameters);
if (!strcmp(Name,"photivoSendToGimp")) {
printf("RunMode : %d\n",Parameter[0].data.d_int32);
printf("FileName1 : '%s'\n",Parameter[1].data.d_string);
printf("FileName2 : '%s'\n",Parameter[2].data.d_string);
QFile GimpFile(Parameter[1].data.d_string);
bool result = GimpFile.open(QIODevice::ReadOnly | QIODevice::Text);
assert(result);
QTextStream In(&GimpFile);
QString ImageFileName = In.readLine();
QString ExifFileName = In.readLine();
QString ICCFileName = In.readLine();
// Read image
FILE *InputFile = fopen(ImageFileName.toLocal8Bit().data(),"rb");
if (!InputFile) {
ptLogError(1,ImageFileName.toLocal8Bit().data());
return; // ptError_FileOpen;
}
short Colors;
unsigned short Width;
unsigned short Height;
unsigned short BitsPerColor;
char Buffer[128];
// Extremely naive. Probably just enough for testcases.
char *s = fgets(Buffer,127,InputFile);
assert ( s );
int n = sscanf(Buffer,"P%hd",&Colors);
assert ( 1 == n );
assert(Colors == 6 );
do {
s = fgets(Buffer,127,InputFile);
assert ( s );
} while (Buffer[0] == '#');
sscanf(Buffer,"%hd %hd",&Width,&Height);
s = fgets(Buffer,127,InputFile);
assert ( s );
sscanf(Buffer,"%hd",&BitsPerColor);
assert(BitsPerColor == 0xffff);
Colors = 3;
unsigned short (* ImageForGimp)[3] =
(unsigned short (*)[3]) CALLOC2(Width*Height,sizeof(*ImageForGimp));
ptMemoryError(ImageForGimp,__FILE__,__LINE__);
unsigned short* PpmRow = (unsigned short *) CALLOC2(Width*Height,sizeof(*PpmRow));
ptMemoryError(PpmRow,__FILE__,__LINE__);
for (unsigned short Row=0; Row<Height; Row++) {
size_t RV = fread(PpmRow,Colors*2,Width,InputFile);
if (RV != (size_t) Width) {
printf("ReadPpm error. Expected %d bytes. Got %d\n",Width,(int)RV);
exit(EXIT_FAILURE);
}
if (htons(0x55aa) != 0x55aa) {
swab((char *)PpmRow,(char *)PpmRow,Width*Colors*2);
}
for (unsigned short Col=0; Col<Width; Col++) {
for (short c=0;c<3;c++) {
ImageForGimp[Row*Width+Col][c] = PpmRow[Col*Colors+c];
}
}
}
FREE2(PpmRow);
FCLOSE(InputFile);
QFile ExifFile(ExifFileName);
result = ExifFile.open(QIODevice::ReadOnly);
assert(result);
qint64 FileSize = ExifFile.size();
QDataStream ExifIn(&ExifFile);
char* ExifBuffer = (char *) MALLOC2(FileSize);
ptMemoryError(ExifBuffer,__FILE__,__LINE__);
unsigned ExifBufferLength = ExifIn.readRawData(ExifBuffer,FileSize);
ExifFile.close();
QFile ICCFile(ICCFileName);
result = ICCFile.open(QIODevice::ReadOnly);
assert(result);
qint64 FileSize2 = ICCFile.size();
QDataStream ICCIn(&ICCFile);
char* ICCBuffer = (char *) MALLOC2(FileSize2);
ptMemoryError(ICCBuffer,__FILE__,__LINE__);
unsigned ICCBufferLength = ICCIn.readRawData(ICCBuffer,FileSize2);
ICCFile.close();
// And now copy to gimp.
gint32 GimpImage = gimp_image_new(Width,
Height,
GIMP_RGB);
assert (GimpImage != -1);
gint32 GimpLayer = gimp_layer_new(GimpImage,
"BG",
Width,
Height,
GIMP_RGB_IMAGE,
100.0,
GIMP_NORMAL_MODE);
#if GIMP_MINOR_VERSION<=6
gimp_image_add_layer(GimpImage,GimpLayer,0);
#else
gimp_image_insert_layer(GimpImage,GimpLayer,0,0);
#endif
GimpDrawable* Drawable = gimp_drawable_get(GimpLayer);
GimpPixelRgn PixelRegion;
gimp_pixel_rgn_init(&PixelRegion,
Drawable,
0,
0,
Drawable->width,
Drawable->height,
true,
false);
unsigned short TileHeight = gimp_tile_height();
for (unsigned short Row=0; Row<Height; Row+=TileHeight) {
unsigned short NrRows = MIN(Height-Row, (int)TileHeight);
guint8* Buffer = g_new(guint8,TileHeight*Width*3);
for (unsigned short i=0; i<NrRows; i++) {
for (unsigned short j=0; j<Width; j++) {
for (short c=0;c<3;c++) {
Buffer[3*(i*Width+j)+c] =
ImageForGimp[(Row+i)*Width+j][c]>>8;
}
}
}
gimp_pixel_rgn_set_rect(&PixelRegion,
Buffer,
0,
Row,
Width,
NrRows);
g_free(Buffer);
}
gimp_drawable_flush(Drawable);
gimp_drawable_detach(Drawable);
FREE2(ImageForGimp);
GimpParasite* GimpExifData = gimp_parasite_new("exif-data",
GIMP_PARASITE_PERSISTENT,
ExifBufferLength,
ExifBuffer);
gimp_image_parasite_attach(GimpImage,GimpExifData);
gimp_parasite_free(GimpExifData);
FREE2(ExifBuffer);
GimpParasite* GimpICCData = gimp_parasite_new("icc-profile",
GIMP_PARASITE_PERSISTENT,
ICCBufferLength,
ICCBuffer);
gimp_image_parasite_attach(GimpImage,GimpICCData);
gimp_parasite_free(GimpICCData);
FREE2(ICCBuffer);
static GimpParam Values[2];
*nreturn_vals = 2;
*return_vals = Values;
Values[0].type = GIMP_PDB_STATUS;
Values[0].data.d_status = GIMP_PDB_SUCCESS;
Values[1].type = GIMP_PDB_IMAGE;
Values[1].data.d_image = GimpImage;
QFile::remove(ImageFileName);
QFile::remove(ExifFileName);
QFile::remove(ICCFileName);
QFile::remove(Parameter[1].data.d_string);
}
static void run ( const gchar *name, gint nparams, const GimpParam *param,
gint *nreturn_vals, GimpParam **return_vals)
{
static GimpParam values[3];
GimpRunMode run_mode;
GimpPDBStatusType status = GIMP_PDB_SUCCESS;
SeparateContext mysc;
//enum separate_function func = SEP_NONE;
run_mode = param[0].data.d_int32;
/* setup for localization */
INIT_I18N ();
cmsErrorAction( LCMS_ERROR_IGNORE );
mysc.filename = NULL;
if( nparams != ( run_mode == GIMP_RUN_NONINTERACTIVE ? 2 : 1 ) )
status = GIMP_PDB_CALLING_ERROR;
else if( run_mode == GIMP_RUN_NONINTERACTIVE ) {
if( param[1].type != GIMP_PDB_STRING || strlen( param[1].data.d_string ) == 0 )
status = GIMP_PDB_CALLING_ERROR;
else
mysc.filename = g_strdup( param[1].data.d_string );
} else {
gint size = gimp_get_data_size( "plug-in-separate-import/lastpath" );
if( size ) {
mysc.filename = g_malloc( size );
gimp_get_data( "plug-in-separate-import/lastpath", mysc.filename );
}
}
if( status == GIMP_PDB_SUCCESS && ( run_mode == GIMP_RUN_NONINTERACTIVE || separate_import_dialog( &mysc ) ) ) {
gint i, j, x, y;
TIFF *in;
guint32 width, height, stripSize, stripCount, stripHeight;
gint16 bps, spp, step, planerConfig, photometric, inkset, resolutionUnit;
float xres, yres;
const gchar *layerNames[] = { "C", "M", "Y", "K" };
guchar *buf, *maskbuf[4], *srcbuf, *destbuf[4], *iccProfile;
gint32 layers[5], masks[4];
GimpDrawable *drw[4];
GimpPixelRgn rgn[4];
GimpRGB primaries[4] = { { .180, .541, .870, 1.0 },
{ .925, .149, .388, 1.0 },
{ .929, .862, .129, 1.0 },
{ 0, 0, 0, 1.0 } };
gchar *str = NULL;
gchar *baseName = g_path_get_basename( gimp_filename_to_utf8( mysc.filename ) );
#ifdef G_OS_WIN32
{
gchar *_filename = NULL; // win32 filename encoding(not UTF-8)
_filename = g_win32_locale_filename_from_utf8( mysc.filename );
in = TIFFOpen( _filename ? _filename : mysc.filename, "r" );
g_free( _filename );
}
#else
in = TIFFOpen( mysc.filename, "r" );
#endif
if( !in ) {
str = g_strdup_printf( _( "Cannot open : \"%s\"" ), baseName );
gimp_message( str );
g_free( str );
status = GIMP_PDB_EXECUTION_ERROR;
} else {
if( ( TIFFGetField( in, TIFFTAG_BITSPERSAMPLE, &bps ) == FALSE || ( bps != 8 && bps != 16 ) ) ||
( TIFFGetField( in, TIFFTAG_SAMPLESPERPIXEL, &spp ) == FALSE || spp != 4 ) ||
( TIFFGetField( in, TIFFTAG_PHOTOMETRIC, &photometric ) == FALSE || photometric != PHOTOMETRIC_SEPARATED ) ||
( TIFFGetField( in, TIFFTAG_PLANARCONFIG, &planerConfig ) == FALSE || planerConfig != PLANARCONFIG_CONTIG ) ||
( TIFFGetField( in, TIFFTAG_INKSET, &inkset ) == TRUE && inkset != INKSET_CMYK ) ) {
str = g_strdup_printf( _( "\"%s\" is unsupported." ), baseName );
gimp_message( str );
g_free( str );
status = GIMP_PDB_EXECUTION_ERROR;
} else {
stripCount = TIFFNumberOfStrips( in );
stripSize = TIFFStripSize( in );
TIFFGetField( in, TIFFTAG_IMAGEWIDTH, &width );
TIFFGetField( in, TIFFTAG_IMAGELENGTH, &height );
TIFFGetField( in, TIFFTAG_ROWSPERSTRIP, &stripHeight );
TIFFGetField( in, TIFFTAG_RESOLUTIONUNIT, &resolutionUnit );
TIFFGetField( in, TIFFTAG_XRESOLUTION, &xres );
TIFFGetField( in, TIFFTAG_YRESOLUTION, &yres );
#if 0
str = g_strdup_printf( "Photometric : %d BPS : %d SPP : %d\nInkset : %d StripCount : %d", photometric, bps, spp, inkset, stripCount );
gimp_message( str );
g_free( str );
#endif
step = ( bps == 16 ) ? 2 : 1;
buf = g_malloc( stripSize );
values[1].data.d_image = gimp_image_new( width, height, GIMP_RGB );
gimp_image_set_resolution( values[1].data.d_image, xres, yres );
gimp_context_push();
for( i = 0; i < 4; i++ ) {
layers[i] = gimp_layer_new( values[1].data.d_image, layerNames[i], width, height, GIMP_RGBA_IMAGE, 100.0, GIMP_DARKEN_ONLY_MODE );
gimp_context_set_foreground( &primaries[i] );
gimp_drawable_fill( layers[i], GIMP_FOREGROUND_FILL );
gimp_image_add_layer( values[1].data.d_image, layers[i], i );
masks[i] = gimp_layer_create_mask( layers[i], GIMP_ADD_BLACK_MASK );
gimp_layer_add_mask( layers[i], masks[i] );
drw[i] = gimp_drawable_get( masks[i] );
maskbuf[i] = g_malloc( width * stripHeight );
}
gimp_context_pop();
layers[4] = gimp_layer_new( values[1].data.d_image, _( "Background" ), width, height, GIMP_RGB_IMAGE, 100.0, GIMP_NORMAL_MODE );
gimp_drawable_fill( layers[4], GIMP_WHITE_FILL );
gimp_image_add_layer( values[1].data.d_image, layers[4], 4 );
str = g_strdup_printf( _( "Reading \"%s\"..." ), baseName );
gimp_progress_init( str );
g_free( str );
for( i = 0; i < stripCount; i++ ) {
guint32 size = TIFFReadEncodedStrip( in, i, buf, stripSize );
guint32 rowCount = ( size < stripSize ? height % stripHeight : stripHeight );
srcbuf = buf;
if( bps == 16 )
srcbuf++;
for( j = 0; j < 4; j++ ) {
gimp_pixel_rgn_init( &( rgn[j] ), drw[j],
0, stripHeight * i, width, rowCount,
FALSE, FALSE );
destbuf[j] = maskbuf[j];
}
for( y = 0; y < rowCount; y++ ) {
for( x = 0; x < width; x++ ) {
*destbuf[0]++ = *srcbuf;
srcbuf += step;
*destbuf[1]++ = *srcbuf;
srcbuf += step;
*destbuf[2]++ = *srcbuf;
srcbuf += step;
*destbuf[3]++ = *srcbuf;
srcbuf += step;
//srcbuf += spp > 4 ? spp - 4 : 0;
}
}
gimp_pixel_rgn_set_rect( &( rgn[0] ), maskbuf[0], 0, stripHeight * i, width, rowCount );
gimp_pixel_rgn_set_rect( &( rgn[1] ), maskbuf[1], 0, stripHeight * i, width, rowCount );
gimp_pixel_rgn_set_rect( &( rgn[2] ), maskbuf[2], 0, stripHeight * i, width, rowCount );
gimp_pixel_rgn_set_rect( &( rgn[3] ), maskbuf[3], 0, stripHeight * i, width, rowCount );
gimp_progress_update( (gdouble)i / stripCount );
}
g_free( buf );
for( i = 0; i < 4; i++ ) {
g_free( maskbuf[i] );
gimp_drawable_detach( drw[i] );
}
#ifdef ENABLE_COLOR_MANAGEMENT
if ( TIFFGetField( in, TIFFTAG_ICCPROFILE, &width, &iccProfile ) ) {
GimpParasite *parasite;
parasite = gimp_parasite_new( CMYKPROFILE, 0, width, iccProfile );
gimp_image_parasite_attach( values[1].data.d_image, parasite );
gimp_parasite_free( parasite );
//g_free( iccProfile ); // This causes clash on TIFFClose( in ).
}
#endif
}
TIFFClose( in );
}
g_free( baseName );
} else
status = GIMP_PDB_CANCEL;
*return_vals = values;
values[0].type = GIMP_PDB_STATUS;
values[0].data.d_status = status;
if( status == GIMP_PDB_SUCCESS ) {
*nreturn_vals = 2;
values[1].type = GIMP_PDB_IMAGE;
if( run_mode != GIMP_RUN_NONINTERACTIVE ) {
gimp_image_undo_enable( values[1].data.d_image );
gimp_display_new( values[1].data.d_image );
gimp_displays_flush();
}
gimp_set_data( "plug-in-separate-import/lastpath", mysc.filename, strlen( mysc.filename ) + 1 );
} else
*nreturn_vals = 1;
g_free( mysc.filename );
}
/* ----------------------------------------------------
* p_load_cache_image
* ----------------------------------------------------
* load an image from cache or from file (in case image is not already cached)
* in case the flag addToCache is TRUE the image will be automatically added
* to the cache after read from file operation.
*/
static gint32
p_load_cache_image(const char* filename, gint32 ffetch_user_id, gboolean addToCache)
{
gint32 l_image_id;
char *l_filename;
gint32 *images;
gint nimages;
gint l_idi;
gint l_number_of_cached_images;
gint32 l_first_cached_image_id;
GimpParasite *l_parasite;
if(filename == NULL)
{
printf("p_load_cache_image: ** ERROR cant load filename == NULL! pid:%d\n", (int)gap_base_getpid());
return -1;
}
l_image_id = -1;
l_first_cached_image_id = -1;
l_number_of_cached_images = 0;
images = gimp_image_list(&nimages);
for(l_idi=0; l_idi < nimages; l_idi++)
{
l_parasite = gimp_image_parasite_find(images[l_idi], GAP_IMAGE_CACHE_PARASITE);
if(l_parasite)
{
gint32 *mtime_ptr;
gint32 *ffetch_id_ptr;
gchar *filename_ptr;
mtime_ptr = (gint32 *) l_parasite->data;
ffetch_id_ptr = (gint32 *)&l_parasite->data[sizeof(gint32)];
filename_ptr = (gchar *)&l_parasite->data[sizeof(gint32) + sizeof(gint32)];
l_number_of_cached_images++;
if (l_first_cached_image_id < 0)
{
l_first_cached_image_id = images[l_idi];
}
if(strcmp(filename, filename_ptr) == 0)
{
gint32 mtimefile;
mtimefile = gap_file_get_mtime(filename);
if(mtimefile == *mtime_ptr)
{
/* image found in cache */
l_image_id = images[l_idi];
}
else
{
/* image found in cache, but has changed modification timestamp
* (delete from cache and reload)
*/
if(gap_debug)
{
printf("FrameFetcher: DELETE because mtime changed : (image_id:%d) ffetchId:%d name:%s mtimefile:%d mtimecache:%d pid:%d\n"
, (int)images[l_idi]
, (int)*ffetch_id_ptr
, gimp_image_get_filename(images[l_idi])
, (int)mtimefile
, (int)*mtime_ptr
, (int)gap_base_getpid()
);
}
gap_image_delete_immediate(images[l_idi]);
}
l_idi = nimages -1; /* force break at next loop iteration */
}
gimp_parasite_free(l_parasite);
}
}
if(images)
{
g_free(images);
}
if (l_image_id >= 0)
{
if(gap_debug)
{
printf("FrameFetcher: p_load_cache_image CACHE-HIT :%s (image_id:%d) pid:%d\n"
, filename, (int)l_image_id, (int)gap_base_getpid());
}
return(l_image_id);
}
l_filename = g_strdup(filename);
l_image_id = gap_lib_load_image(l_filename);
if(gap_debug)
{
printf("FrameFetcher: loaded image from disk:%s (image_id:%d) pid:%d\n"
, l_filename, (int)l_image_id, (int)gap_base_getpid());
}
if((l_image_id >= 0) && (addToCache == TRUE))
{
guchar *parasite_data;
gint32 parasite_size;
gint32 *parasite_mtime_ptr;
gint32 *parasite_ffetch_id_ptr;
gchar *parasite_filename_ptr;
gint32 len_filename0; /* filename length including the terminating 0 */
if (l_number_of_cached_images > p_get_ffetch_max_img_cache_elements())
{
/* the image cache already has more elements than desired,
* drop the 1st cached image
*/
if(gap_debug)
{
printf("FrameFetcher: DELETE because cache is full: (image_id:%d) name:%s number_of_cached_images:%d pid:%d\n"
, (int)l_first_cached_image_id
, gimp_image_get_filename(l_first_cached_image_id)
, (int)l_number_of_cached_images
, (int)gap_base_getpid()
);
}
gap_image_delete_immediate(l_first_cached_image_id);
}
/* build parasite data including mtime and full filename with terminating 0 byte */
len_filename0 = strlen(filename) + 1;
parasite_size = sizeof(gint32) + sizeof(gint32) + len_filename0;
parasite_data = g_malloc0(parasite_size);
parasite_mtime_ptr = (gint32 *)parasite_data;
parasite_ffetch_id_ptr = (gint32 *)¶site_data[sizeof(gint32)];
parasite_filename_ptr = (gchar *)¶site_data[sizeof(gint32) + sizeof(gint32)];
*parasite_mtime_ptr = gap_file_get_mtime(filename);
*parasite_ffetch_id_ptr = ffetch_user_id;
memcpy(parasite_filename_ptr, filename, len_filename0);
/* attach a parasite to mark the image as part of the gap image cache */
l_parasite = gimp_parasite_new(GAP_IMAGE_CACHE_PARASITE
,0 /* GIMP_PARASITE_PERSISTENT 0 for non persistent */
,parasite_size
,parasite_data
);
if(l_parasite)
{
gimp_image_parasite_attach(l_image_id, l_parasite);
gimp_parasite_free(l_parasite);
}
g_free(parasite_data);
}
g_free(l_filename);
return(l_image_id);
} /* end p_load_cache_image */