15 #include "imageFile.h"
16 #include "palettizer.h"
17 #include "filenameUnifier.h"
18 #include "paletteGroup.h"
21 #include "pnmFileType.h"
22 #include "eggTexture.h"
24 #include "datagramIterator.h"
25 #include "bamReader.h"
26 #include "bamWriter.h"
37 _alpha_file_channel = 0;
57 bool any_changed =
false;
59 if (_properties._color_type != pal->_shadow_color_type ||
60 _properties._alpha_type != pal->_shadow_alpha_type) {
62 _properties._color_type = pal->_shadow_color_type;
63 _properties._alpha_type = pal->_shadow_alpha_type;
186 pi = pal->_map_dirname.begin();
187 while (pi != pal->_map_dirname.end()) {
225 Filename orig_alpha_filename = _alpha_filename;
227 _filename =
Filename(dirname, basename);
240 if (_properties._color_type != (
PNMFileType *)NULL) {
245 if (_properties._alpha_type != (
PNMFileType *)NULL) {
253 return (_filename != orig_filename ||
254 _alpha_filename != orig_alpha_filename);
277 return _alpha_filename;
292 return _alpha_file_channel;
304 if (!_filename.
exists()) {
307 if (_properties._alpha_type != (
PNMFileType *)NULL &&
309 !_alpha_filename.empty()) {
310 if (!_alpha_filename.
exists()) {
327 nassertr(!_filename.empty(),
false);
329 image.
set_type(_properties._color_type);
331 if (!image.
read(_filename)) {
332 nout <<
"Unable to read.\n";
336 if (!_alpha_filename.empty() && _alpha_filename.
exists()) {
339 alpha_image.
set_type(_properties._alpha_type);
341 if (!alpha_image.
read(_alpha_filename)) {
342 nout <<
"Unable to read.\n";
352 if (_alpha_file_channel == 4 ||
355 for (
int x = 0; x < image.
get_x_size(); x++) {
356 for (
int y = 0; y < image.
get_y_size(); y++) {
361 }
else if (_alpha_file_channel >= 1 && _alpha_file_channel <= 3 &&
364 for (
int x = 0; x < image.
get_x_size(); x++) {
365 for (
int y = 0; y < image.
get_y_size(); y++) {
372 for (
int x = 0; x < image.
get_x_size(); x++) {
373 for (
int y = 0; y < image.
get_y_size(); y++) {
392 nassertr(!_filename.empty(),
false);
396 if (!_alpha_filename.empty() && _alpha_filename.
exists()) {
402 if (!image.
write(_filename, _properties._color_type)) {
403 nout <<
"Unable to write.\n";
412 for (
int y = 0; y < image.
get_y_size(); y++) {
413 for (
int x = 0; x < image.
get_x_size(); x++) {
422 if (!image_copy.
write(_filename, _properties._color_type)) {
423 nout <<
"Unable to write.\n";
429 if (!alpha_image.write(_alpha_filename, _properties._alpha_type)) {
430 nout <<
"Unable to write.\n";
443 if (!_filename.empty() && _filename.
exists()) {
447 if (!_alpha_filename.empty() && _alpha_filename.
exists()) {
465 !_alpha_filename.empty()) {
469 egg_tex->clear_alpha_filename();
485 if (_properties.
uses_alpha() && !_alpha_filename.empty()) {
537 _properties.
fillin(scan, manager);
540 if (Palettizer::_read_pi_version >= 10) {
543 _alpha_file_channel = 0;
void set_gray_val(int x, int y, xelval gray)
Sets the gray component color at the indicated pixel.
static Filename make_bam_filename(Filename filename)
Returns a new filename that's made relative to the bam file itself, suitable for writing to the bam f...
void set_extension(const string &s)
Replaces the file extension.
bool make_dir() const
Creates all the directories in the path to the file specified in the filename, except for the basenam...
string get_fullpath_wo_extension() const
Returns the full filename–directory and basename parts–except for the extension.
void add_uint8(PN_uint8 value)
Adds an unsigned 8-bit integer to the datagram.
bool unlink() const
Permanently deletes the file associated with the filename, if possible.
bool write(const Filename &filename, PNMFileType *type=NULL) const
Writes the image to the indicated filename.
bool has_num_channels() const
Returns true if the number of channels in the image is known, false otherwise.
bool get_bool()
Extracts a boolean value.
void add_string(const string &str)
Adds a variable-length string to the datagram.
The name of this class derives from the fact that we originally implemented it as a layer on top of t...
void set_alpha_file_channel(int alpha_file_channel)
If a separate alpha-file is specified, this indicates which channel number should be extracted from t...
This is the fundamental interface for extracting binary objects from a Bam file, as generated by a Ba...
virtual int complete_pointers(TypedWritable **p_list, BamReader *manager)
Called after the object is otherwise completely read from a Bam file, this function's job is to store...
bool set_filename(PaletteGroup *group, const string &basename)
Sets the filename, and if applicable, the alpha_filename, from the indicated basename.
const Filename & get_alpha_filename() const
Returns the alpha filename of the image file.
int get_num_channels() const
Returns the number of channels of the image.
Defines a texture map that may be applied to geometry.
bool read(const Filename &filename, PNMFileType *type=NULL, bool report_unknown_type=true)
Reads the indicated image filename.
Base class for objects that can be written to and read from Bam files.
This is the highest level of grouping for TextureImages.
This is the base class of a family of classes that represent particular image file types that PNMImag...
float get_gray(int x, int y) const
Returns the gray component color at the indicated pixel.
int get_alpha_file_channel() const
Returns the particular channel number of the alpha image file from which the alpha channel should be ...
virtual int complete_pointers(TypedWritable **p_list, BamReader *manager)
Called after the object is otherwise completely read from a Bam file, this function's job is to store...
virtual void write_datagram(BamWriter *writer, Datagram &datagram)
Fills the indicated datagram up with a binary representation of the current object, in preparation for writing to a Bam file.
This is the fundamental interface for writing binary objects to a Bam file, to be extracted later by ...
bool make_shadow_image(const string &basename)
Sets up the ImageFile as a "shadow image" of a particular PaletteImage.
PN_int32 get_int32()
Extracts a signed 32-bit integer.
PN_uint8 get_uint8()
Extracts an unsigned 8-bit integer.
void output_filename(ostream &out) const
Writes the filename (or pair of filenames) to the indicated output stream.
float get_alpha(int x, int y) const
Returns the alpha component color at the indicated pixel.
int get_y_size() const
Returns the size of the image file in pixels in the Y direction.
void remove_alpha()
Removes the image's alpha channel, if it exists.
string get_string()
Extracts a variable-length string.
virtual void fillin(DatagramIterator &scan, BamReader *manager)
This internal function is intended to be called by each class's make_from_bam() method to read in all...
void standardize()
Converts the filename to standard form by replacing consecutive slashes with a single slash...
virtual string get_suggested_extension() const
Returns a suitable filename extension (without a leading dot) to suggest for files of this type...
virtual void write_datagram(BamWriter *manager, Datagram &dg)
Writes the contents of this object to the datagram for shipping out to a Bam file.
virtual void write_datagram(BamWriter *writer, Datagram &datagram)
Fills the indicated datagram up with a binary representation of the current object, in preparation for writing to a Bam file.
void set_alpha_filename(const Filename &filename)
Specifies a separate file that will be loaded in with the 1- or 3-component texture and applied as th...
int get_num_channels() const
Returns the number of channels (1 through 4) associated with the image.
bool exists() const
Returns true if the file or files named by the image file exist, false otherwise. ...
void add_bool(bool value)
Adds a boolean value to the datagram.
static Filename make_user_filename(Filename filename)
Returns a new filename that's made relative to the current directory, suitable for reporting to the u...
static Filename make_egg_filename(Filename filename)
Returns a new filename that's made relative to the rel_directory, suitable for writing out within egg...
void update_egg_tex(EggTexture *egg_tex) const
Adjusts the texture properties of the indicated egg reference to match these properties.
The name of a file, such as a texture file or an Egg file.
virtual int complete_pointers(TypedWritable **p_list, BamReader *manager)
Receives an array of pointers, one for each time manager->read_pointer() was called in fillin()...
const Filename & get_filename() const
Returns the primary filename of the image file.
bool uses_alpha() const
Returns true if the texture uses an alpha channel, false otherwise.
static Filename get_bam_filename(Filename filename)
Returns an absolute pathname based on the given relative pathname, presumably read from the bam file ...
bool write(const PNMImage &image) const
Writes out the image in the indicated PNMImage to the _filename and/or _alpha_filename.
void clear_basic_properties()
Resets the properties to a neutral state, for instance in preparation for calling update_properties()...
xelval get_channel_val(int x, int y, int channel) const
Returns the nth component color at the indicated pixel.
bool exists() const
Returns true if the filename exists on the disk, false otherwise.
void clear_alpha_file_channel()
Removes the specification of a particular channel to use from the alpha-file image.
int get_x_size() const
Returns the size of the image file in pixels in the X direction.
xelval get_alpha_val(int x, int y) const
Returns the alpha component color at the indicated pixel.
void fillin(DatagramIterator &scan, BamReader *manager)
Reads the binary data from the given datagram iterator, which was written by a previous call to write...
bool has_num_channels() const
Returns true if the number of channels is known.
void add_alpha()
Adds an alpha channel to the image, if it does not already have one.
const string & get_dirname() const
Returns the directory name associated with the palette group.
void unlink()
Deletes the image file or files.
void set_alpha(int x, int y, float a)
Sets the alpha component color only at the indicated pixel.
void clear_basic()
Resets only the properties that might be changed by update_properties() to a neutral state...
bool read(PNMImage &image) const
Reads in the image (or images, if the alpha_filename is separate) and stores it in the indicated PNMI...
void update_properties(const TextureProperties &properties)
If the indicate TextureProperties structure is more specific than this one, updates this one...
void add_int32(PN_int32 value)
Adds a signed 32-bit integer to the datagram.
A class to retrieve the individual data elements previously stored in a Datagram. ...
void update_properties(const TextureProperties &other)
If the indicate TextureProperties structure is more specific than this one, updates this one...
TypeHandle is the identifier used to differentiate C++ class types.
const TextureProperties & get_properties() const
Returns the grouping properties of the image.
An ordered list of data elements, formatted in memory for transmission over a socket or writing to a ...
bool is_size_known() const
Returns true if the size of the image file is known, false otherwise.
void update_egg_tex(EggTexture *egg_tex) const
Sets the indicated EggTexture to refer to this file.
This is the set of characteristics of a texture that, if different from another texture, prevent the two textures from sharing a PaletteImage.