static const std::string getConfigCurrentSpinner(const std::string &key)
{
std::string value = "spinner";
std::ifstream in(eEnv::resolve("${sysconfdir}/enigma2/settings").c_str());
if (in.good()) {
do {
std::string line;
std::getline(in, line);
size_t size = key.size();
if (line.compare(0, size, key)== 0) {
value = line.substr(size + 1);
replace(value, "skin.xml", "spinner");
break;
}
} while (in.good());
in.close();
}
// if value is empty, means no config.skin.primary_skin exist in settings file, so return just default spinner ( /usr/share/enigma2/spinner )
if (value.empty())
return value;
// if value is NOT empty, means config.skin.primary_skin exist in settings file, so return SCOPE_CURRENT_SKIN + "/spinner" ( /usr/share/enigma2/MYSKIN/spinner ) BUT check if /usr/share/enigma2/MYSKIN/spinner/wait1.png exist
std::string png_location = "/usr/share/enigma2/" + value + "/wait1.png";
std::ifstream png(png_location.c_str());
if (png.good()) {
png.close();
return value; // if value is NOT empty, means config.skin.primary_skin exist in settings file, so return SCOPE_CURRENT_SKIN + "/spinner" ( /usr/share/enigma2/MYSKIN/spinner/wait1.png exist )
}
else
return "spinner"; // if value is NOT empty, means config.skin.primary_skin exist in settings file, so return "spinner" ( /usr/share/enigma2/MYSKIN/spinner/wait1.png DOES NOT exist )
}
/**
* Extract block colors from given terrain.png file
*/
bool extractColors(const char* file)
{
PngReader png(file);
if (!png.isValidImage()) return false;
if (png.getWidth() != png.getHeight() // Quadratic
|| (png.getWidth() / 16) * 16 != png.getWidth() // Has to be multiple of 16
|| png.getBitsPerChannel() != 8 // 8 bits per channel, 32bpp in total
|| png.getColorType() != PngReader::RGBA) return false;
uint8_t *imgData = png.getImageData();
// Load em up
for (int i = 0; i < 256; i++) {
if (i == TORCH) {
continue; // Keep those yellow for now
}
int r, g, b, a, n; // i i s g t u o l v n
if (getTileRGBA(imgData, png.getWidth() / 16, i, r, g, b, a, n)) {
const bool flag = (colors[i][PALPHA] == 254);
if (i == FENCE) {
r = clamp(r + 10);
g = clamp(g + 10);
b = clamp(b + 10);
}
SETCOLORNOISE(i, r, g, b, a, n);
if (flag) {
colors[i][PALPHA] = 254; // If you don't like this, dump texture pack to txt file and modify that one
}
}
}
return true;
}
CL_PixelBuffer CL_PNGProvider::load(CL_IODevice &iodev)
{
CL_PNGProvider_Impl png(iodev);
CL_PixelBuffer pbuff(png.width, png.height, png.sized_format, png.palette, png.get_data());
pbuff.set_colorkey(png.uses_src_colorkey(), png.get_src_colorkey());
return pbuff;
}
int cellPngDecDecodeData(u32 mainHandle, u32 subHandle, mem8_ptr_t data, const mem_struct_ptr_t<CellPngDecDataCtrlParam> dataCtrlParam, mem_struct_ptr_t<CellPngDecDataOutInfo> dataOutInfo)
{
dataOutInfo->status = CELL_PNGDEC_DEC_STATUS_STOP;
ID sub_handle_id_data;
if(!cellPngDec.CheckId(subHandle, sub_handle_id_data))
return CELL_PNGDEC_ERROR_FATAL;
auto subHandle_data = (CellPngDecSubHandle*)sub_handle_id_data.m_data;
const u32& fd = subHandle_data->fd;
const u64& fileSize = subHandle_data->fileSize;
const CellPngDecOutParam& current_outParam = subHandle_data->outParam;
//Copy the PNG file to a buffer
MemoryAllocator<unsigned char> png(fileSize);
MemoryAllocator<u64> pos, nread;
cellFsLseek(fd, 0, CELL_SEEK_SET, pos);
cellFsRead(fd, png.GetAddr(), png.GetSize(), nread);
//Decode PNG file. (TODO: Is there any faster alternative? Can we do it without external libraries?)
int width, height, actual_components;
std::shared_ptr<unsigned char> image(stbi_load_from_memory(png, fileSize, &width, &height, &actual_components, 4));
if (!image) return CELL_PNGDEC_ERROR_STREAM_FORMAT;
uint image_size = width * height;
switch(current_outParam.outputColorSpace)
{
case CELL_PNGDEC_RGB:
case CELL_PNGDEC_RGBA:
image_size *= current_outParam.outputColorSpace == CELL_PNGDEC_RGBA ? 4 : 3;
memcpy(data, image.get(), image_size);
break;
case CELL_PNGDEC_ARGB:
image_size *= 4;
for(uint i = 0; i < image_size; i+=4)
{
data += image.get()[i+3];
data += image.get()[i+0];
data += image.get()[i+1];
data += image.get()[i+2];
}
break;
case CELL_PNGDEC_GRAYSCALE:
case CELL_PNGDEC_PALETTE:
case CELL_PNGDEC_GRAYSCALE_ALPHA:
cellPngDec.Error("cellPngDecDecodeData: Unsupported color space (%d)", current_outParam.outputColorSpace.ToLE());
break;
default:
return CELL_PNGDEC_ERROR_ARG;
}
dataOutInfo->status = CELL_PNGDEC_DEC_STATUS_FINISH;
return CELL_OK;
}
void NPC::create_npc(NPCAnimation type, const std::string& filename,
int animation_speed, bool one_shot, ZipReader *zip) throw (Exception)
{
PNG png(filename, zip);
tiles[DirectionRight][type] = create_tile(png, animation_speed, one_shot, false);
png.flip_h();
tiles[DirectionLeft][type] = create_tile(png, animation_speed, one_shot, true);
}
CL_PixelBuffer CL_PNGProvider::load(
const CL_String &filename,
const CL_VirtualDirectory &directory)
{
CL_PNGProvider_Impl png(filename, directory);
CL_PixelBuffer pbuff(png.width, png.height, png.sized_format, png.palette, png.get_data());
pbuff.set_colorkey(png.uses_src_colorkey(), png.get_src_colorkey());
return pbuff;
}
void MidpointDisplacement::to_png( const std::string &file ) const {
pngwriter png( 1024, 1024, 0, file.c_str() );
for ( unsigned int i = 0; i < m_data.size(); i++ ) {
png.plot( m_data[ i ].m_x, m_data[ i ].m_y, 1.0, 0.0, 0.0 );
}
png.close();
}
// load one or more files, print an ascii representation
// and write a blurred version to out.png
int main(int argc, char* argv[]){
for(int i=1; i < argc; i++){
PNG png(argv[i]);
png.display();
png.blur<uint32_t>(5);
png.write("out.png");
}
}
fz_error *
fz_processpredict(fz_filter *filter, fz_buffer *in, fz_buffer *out)
{
fz_predict *dec = (fz_predict*)filter;
int ispng = dec->predictor >= 10;
int predictor;
while (1)
{
if (in->rp + dec->stride + (!dec->encode && ispng) > in->wp)
{
if (in->eof)
return fz_iodone;
return fz_ioneedin;
}
if (out->wp + dec->stride + (dec->encode && ispng) > out->ep)
return fz_ioneedout;
if (dec->predictor == 1)
{
none(dec, in->rp, out->wp);
}
else if (dec->predictor == 2)
{
if (dec->bpc != 8)
memset(out->wp, 0, dec->stride);
tiff(dec, in->rp, out->wp);
}
else
{
if (dec->encode)
{
predictor = dec->predictor - 10;
if (predictor < 0 || predictor > 4)
predictor = 1;
*out->wp ++ = predictor;
}
else
{
predictor = *in->rp++;
}
png(dec, in->rp, out->wp, predictor);
}
if (dec->ref)
memcpy(dec->ref, out->wp, dec->stride);
in->rp += dec->stride;
out->wp += dec->stride;
}
}
int main(int argc, char *argv[])
{
int width, height;
char *end;
FILE *io_in, *io_out;
io_in = stdin;
io_out = stdout;
if (argc < 3) {
fprintf(stderr, "Usage: %s WIDTH HEIGHT [file] [file]\n", argv[0]);
return 1;
}
if (argc > 3) {
io_in = fopen(argv[3], "r");
if (!io_in) {
fprintf(stderr, "Unable to open source file.\n");
return 1;
}
}
if (argc > 4) {
io_out = fopen(argv[4], "w");
if (!io_out) {
fprintf(stderr, "Unable to open destination file.\n");
return 1;
}
}
width = strtoul(argv[1], &end, 10);
if (*end) {
fprintf(stderr, "Error: Invalid width.\n");
return 1;
}
height = strtoul(argv[2], &end, 10);
if (*end) {
fprintf(stderr, "Error: Invalid height.\n");
return 1;
}
if (looks_like_png(io_in)) {
png(io_in, io_out, width, height);
} else {
jpeg(io_in, io_out, width, height);
}
fclose(io_in);
fclose(io_out);
return 0;
}
Font::Font(Subsystem& subsystem, const std::string& filename, ZipReader *zip)
throw (KeyValueException, FontException)
: Properties(filename + ".font", zip), subsystem(subsystem)
{
try {
PNG png(filename + ".png", zip);
/* setup font operations */
FontOperations fo;
if (zip) {
fo.handle = zip;
fo.open = &fo_zip_open;
fo.read = &fo_zip_read;
fo.close = &fo_zip_close;
} else {
fo.handle = 0;
fo.open = &fo_file_open;
fo.read = &fo_file_read;
fo.close = &fo_file_close;
}
std::string font_description = filename + ".fds";
fo.open(fo, font_description);
char header[4];
fo.read(fo, header, sizeof(header));
if (memcmp(header, "FNT1", 4)) {
throw FontException("wrong font file " + font_description);
}
fo.read(fo, &font_height, sizeof font_height);
font_height = ntohl(font_height) * 2;
spacing = atoi(get_value("spacing").c_str());
font_char_t font;
for (int i = 0; i < NumOfChars; i++) {
fo.read(fo, &font, sizeof font);
font.origin_x = ntohl(font.origin_x);
font.origin_y = ntohl(font.origin_y);
font.width = ntohl(font.width);
font.height = ntohl(font.height);
TileGraphic *tg = subsystem.create_tilegraphic(font.width, font.height);
tg->punch_out_tile(png, font.origin_x, font.origin_y, false);
tiles[i] = new Tile(tg, false, Tile::TileTypeNonblocking, 0, false, 0.0f);
fw[i] = font.width;
fh[i] = font.height;
}
} catch (const Exception& e) {
throw FontException(e.what());
}
}
bool C4Surface::SavePNG(const char *szFilename, bool fSaveAlpha, bool fSaveOverlayOnly, bool use_background_thread)
{
// Lock - WARNING - maybe locking primary surface here...
if (!Lock()) return false;
// create png file
std::unique_ptr<CPNGFile> png(new CPNGFile());
if (!png->Create(Wdt, Hgt, fSaveAlpha)) { Unlock(); return false; }
// reset overlay if desired
C4Surface *pMainSfcBackup = NULL;
if (fSaveOverlayOnly) { pMainSfcBackup=pMainSfc; pMainSfc=NULL; }
#ifndef USE_CONSOLE
if (fPrimary)
{
// Take shortcut. FIXME: Check Endian
for (int y = 0; y < Hgt; ++y)
glReadPixels(0, Hgt - y - 1, Wdt, 1, fSaveAlpha ? GL_BGRA : GL_BGR, GL_UNSIGNED_BYTE, png->GetRow(y));
}
else
#endif
{
// write pixel values
for (int y=0; y<Hgt; ++y)
for (int x=0; x<Wdt; ++x)
{
DWORD dwClr = GetPixDw(x, y, false);
png->SetPix(x, y, dwClr);
}
}
// reset overlay
if (fSaveOverlayOnly) pMainSfc=pMainSfcBackup;
// Unlock
Unlock();
// save png - either directly or delayed in a background thread if desired
if (use_background_thread)
{
CPNGFile::ScheduleSaving(png.release(), szFilename);
}
else
{
if (!png->Save(szFilename)) return false;
}
// Success
return true;
}
std::pair<float*,std::pair<unsigned int,unsigned int>>
readPNG(
std::string const _filename
)
{
pngwriter png( 1, 1, 0, "tmp.png" );
png.readfromfile( _filename.c_str( ) );
int x = png.getwidth( );
int y = png.getheight( );
/* check if pngwriter could load image. This is not cool, because
* this disables use of real PNGs of size 1x1 but the algorithm
* wouldn't work on those anyway. The problem is, that pngwriter
* doesn't return an error, it just prints to stderr :S */
if ( x == 1 or y == 1 )
{
assert("Couldn't open PNG file! Path and permissions correct?");
return { NULL, { 0, 0 } };
}
float* mem = new float[x * y];
for( auto i = 0; i < y; i++ )
{
for( auto j = 0; j < x; j++ )
{
mem[(i * x) + j] = (float) png.read( i, j, 1 ) / 65535;
}
}
png.close( );
# ifdef IMRESH_DEBUG
if( remove( "tmp.png" ) != 0 )
{
perror( "imresh::io::readInFuncs::readPNG(): Error deleting temporary file" );
}
else
{
std::cout << "imresh::io::readInFuncs::readPNG(): Successfully read file."
<< std::endl;
}
# else
remove( "tmp.png" );
# endif
return { mem, { x, y } };
}
Label::Label(screen_context_t context, int x, int y, unsigned width, unsigned height, int alpha,
char *imageFile) :
m_x(x), m_y(y), m_width(width), m_height(height), m_window(0) {
FILE *file = 0;
if (imageFile) {
file = fopen(imageFile, "rb");
}
if (file) {
PNGReader png(file, imageFile, context);
if (png.doRead()) {
m_window = LabelWindow::create(context, width, height, alpha);
m_window->draw(png);
}
}
}
void operator() (uint32_t currentStep, DBox data, Space dataSize)
{
std::stringstream step;
step << std::setw(6) << std::setfill('0') << currentStep;
std::string filename("gol_" + step.str() + ".png");
pngwriter png(dataSize.x(), dataSize.y(), 0, filename.c_str());
png.setcompressionlevel(9);
for (int y = 0; y < dataSize.y(); ++y)
{
for (int x = 0; x < dataSize.x(); ++x)
{
float p = data[y ][x ];
png.plot(x + 1, dataSize.y() - y, p, p, p);
}
}
png.close();
}
int main()
{
int i;
int y;
pngwriter png(300,300,0,"test.png");
for(i = 1; i ≤ 300;i++)
{
y = 150+100*sin((double)i*9/300.0);
png.plot(i,y, 0.0, 0.0, 1.0);
}
png.close();
return 0;
}
static const std::string getConfigCurrentSpinner(const std::string &key)
{
std::string value = "";
std::ifstream in(eEnv::resolve("${sysconfdir}/enigma2/settings").c_str());
if (in.good())
{
do
{
std::string line;
std::getline(in, line);
size_t size = key.size();
if (line.compare(0, size, key)== 0)
{
value = line.substr(size + 1);
size_t end_pos = value.find("skin.xml");
if (end_pos != std::string::npos)
{
value = value.substr(0, end_pos);
}
break;
}
} while (in.good());
in.close();
}
// no config.skin.primary_skin found -> Use default one
if (value.empty())
value = "GigabluePax/";
// return SCOPE_CURRENT_SKIN ( /usr/share/enigma2/MYSKIN/skin_default/spinner ) BUT check if /usr/share/enigma2/MYSKIN/skin_default/spinner/wait1.png exist
std::string png_location = "/usr/share/enigma2/" + value + "skin_default/spinner/wait1.png";
std::ifstream png(png_location.c_str());
if (png.good())
{
png.close();
return value; // /usr/share/enigma2/MYSKIN/skin_default/spinner/wait1.png exists )
}
else
{
return ""; // No spinner found -> use "" ( /usr/share/enigma2/skin_default/spinner/wait1.png )
}
}
bool Control::loadFromPNG(const char *filename)
{
FILE *file = fopen(filename, "rb");
if (!file) {
fprintf(stderr, "Unable to open file %s\n", filename);
return false;
}
PNGReader png(file, m_context);
if (!png.doRead())
return false;
m_srcWidth = png.m_width;
m_srcHeight = png.m_height;
m_pixmap = png.m_pixmap;
png.m_pixmap = 0;
m_buffer = png.m_buffer;
png.m_buffer = 0;
// int rc;
// {
// int format = SCREEN_FORMAT_RGBA8888;
// int size[2] = {png.m_width, png.m_height};
//
// rc = screen_create_pixmap(&m_pixmap, m_context); // FIXME: Check failure
// rc = screen_set_pixmap_property_iv(m_pixmap, SCREEN_PROPERTY_FORMAT, &format);
// rc = screen_set_pixmap_property_iv(m_pixmap, SCREEN_PROPERTY_BUFFER_SIZE, size);
// rc = screen_create_pixmap_buffer(m_pixmap);
//
// unsigned char *realPixels;
// int realStride;
// rc = screen_get_pixmap_property_pv(m_pixmap, SCREEN_PROPERTY_RENDER_BUFFERS, (void**)&m_buffer);
// rc = screen_get_buffer_property_pv(m_buffer, SCREEN_PROPERTY_POINTER, (void **)&realPixels);
// rc = screen_get_buffer_property_iv(m_buffer, SCREEN_PROPERTY_STRIDE, &realStride);
// memcpy(realPixels, png.m_data, realStride * m_srcHeight);
// }
return true;
}
void Animation::create_tile(const std::string& filename, ZipReader *zip) throw (Exception) {
try {
int tile_type_val = atoi(get_value("tile_type").c_str());
Tile::TileType tile_type = static_cast<Tile::TileType>(tile_type_val);
bool background = (atoi(get_value("background").c_str()) == 0 ? false : true);
bool one_shot = (atoi(get_value("one_shot").c_str()) != 0 ? true : false);
PNG png(filename, zip);
const int& png_width = png.get_width();
const int& png_height = png.get_height();
int tiley = 0;
int tilex = 0;
/* create all pictures consecutively for this tile */
TileGraphic *tg = subsystem.create_tilegraphic(tile_width, tile_height);
while (tiley < png_height) {
/* store current picture in the graphics layer */
tg->punch_out_tile(png, tilex, tiley, false);
/* advance to next tile */
tilex += tile_width;
if (tilex >= png_width) {
tilex = 0;
tiley += tile_height;
}
}
/* create tile with its pictures */
tile = new Tile(tg, background, tile_type, animation_speed, one_shot, 0.0f);
} catch (const Exception&) {
cleanup();
throw;
}
}
_INITIALIZE_EASYLOGGINGPP
void renderMapToFile(const World::Overview& map, const std::string& filename) {
Png::PngData pngData;
pngData.width = map.width();
pngData.height = map.height();
pngData.title = "Map";
Png::Png png(filename, pngData);
LOG(DEBUG) << "Starting rows";
for (uint16_t y = 0; y < pngData.height; ++y) {
std::vector<Png::RGB> row;
for (uint16_t x = 0; x < pngData.width; ++x) {
auto height = map.at(x, y).height();
if (height > 0) {
row.push_back({0, 100, 0});
} else {
row.push_back({0, 0, 100});
}
}
png.writeRow(row);
}
LOG(DEBUG) << "Finished rows";
}
void CameraSensor::saveImage(std::string fileName, std::string fileExtension) {
INFO("Saving image %s", fileName.c_str());
if (fileExtension == "pbi") {
TransportFile *transport = new TransportFile(fileName.c_str());
if (transport->open()) {
//sendImageData(transport, false, false);
de::fumanoids::message::Image pbImage;
de::fumanoids::message::ImageData *pbRawImage = pbImage.add_imagedata();
image->getImageData(pbRawImage);
std::string data;
pbImage.SerializeToString(&data);
uint32_t dataSize = data.size();
transport->write((const uint8_t*)data.c_str(), dataSize);
transport->close();
}
delete transport;
} else {
png::image< png::rgb_pixel > png(image->getImageWidth(), image->getImageHeight());
for (size_t x = 0; x < png.get_width(); ++x) {
for (size_t y = 0; y < png.get_height(); ++y) {
uint8_t r, g, b;
((IMAGETYPE*)image)->getPixelAsRGB(x, y, &r, &g, &b);
png[y][x] = png::rgb_pixel(r, g, b);
}
}
try {
png.write(fileName);
} catch (...) {
}
}
}
int main(int iArgC, char *cArgV[])
{
#ifdef __GLIBCXX__
// Set a better exception handler
std::set_terminate(__gnu_cxx::__verbose_terminate_handler);
#endif
// Disable stdin/printf/etc. sync for a speed boost
std::ios_base::sync_with_stdio(false);
// Declare the supported options.
po::options_description poOptions("Options");
poOptions.add_options()
("type,t", po::value<std::string>(),
"specify the output file format")
;
po::options_description poHidden("Hidden parameters");
poHidden.add_options()
("in", ".png to read")
("out", "output palette filename")
("help", "produce help message")
;
po::options_description poVisible("");
poVisible.add(poOptions);
po::options_description poComplete("Parameters");
poComplete.add(poOptions).add(poHidden);
po::variables_map mpArgs;
std::string srcFile, dstFile;
std::string strType;
try {
po::parsed_options pa = po::parse_command_line(iArgC, cArgV, poComplete);
// Parse the global command line options
for (std::vector<po::option>::iterator i = pa.options.begin(); i != pa.options.end(); i++) {
if (i->string_key.empty()) {
// If we've already got an archive filename, complain that a second one
// was given (probably a typo.)
if (!dstFile.empty()) {
std::cerr << "Error: unexpected extra parameter (multiple output "
"filenames given?!)" << std::endl;
return 1;
}
assert(i->value.size() > 0); // can't have no values with no name!
if (srcFile.empty()) srcFile = i->value[0];
else dstFile = i->value[0];
} else if (i->string_key.compare("help") == 0) {
std::cout <<
"Copyright (C) 2010 Adam Nielsen <*****@*****.**>\n"
"This program comes with ABSOLUTELY NO WARRANTY. This is free software,\n"
"and you are welcome to change and redistribute it under certain conditions;\n"
"see <http://www.gnu.org/licenses/> for details.\n"
"\n"
"Utility to manipulate image palettes used by games.\n"
"Build date " __DATE__ " " __TIME__ << "\n"
"\n"
"Usage: " PROGNAME " <input>.png -t <output-type> <output-filename>\n"
<< poVisible << "\n" << std::endl;
return 0;
} else if (
(i->string_key.compare("t") == 0) ||
(i->string_key.compare("type") == 0)
) {
if (i->value.size() == 0) {
std::cerr << PROGNAME ": --type (-t) requires a parameter."
<< std::endl;
return 1;
}
strType = i->value[0];
}
}
if (srcFile.empty()) {
std::cerr << "Error: no input .png filename given" << std::endl;
return 1;
}
if (dstFile.empty()) {
std::cerr << "Error: no output filename given" << std::endl;
return 1;
}
if (strType.empty()) {
std::cerr << "Error: no output format type (-t) given" << std::endl;
return 1;
}
// Get the format handler for this file format
gg::ManagerPtr pManager(gg::getManager());
gg::ImageTypePtr palType(pManager->getImageTypeByCode(strType));
if (!palType) {
std::cerr << "Unknown file type given to -t/--type: " << strType
<< std::endl;
return 1;
}
std::cout << "Extracting palette from " << srcFile << " to "
<< dstFile << " as type " << strType << std::endl;
png::image<png::index_pixel> png(
srcFile, png::require_color_space<png::index_pixel>()
);
stream::file_sptr outStream(new stream::file());
try {
outStream->create(dstFile.c_str());
} catch (const stream::open_error& e) {
std::cerr << PROGNAME ": Unable to create " << dstFile << ": " << e.what()
<< std::endl;
return 2;
}
camoto::SuppData dummy;
gg::ImagePtr palOut = palType->create(outStream, dummy);
gg::PaletteTablePtr pal(new gg::PaletteTable());
png::palette pngPal = png.get_palette();
for (png::palette::iterator i = pngPal.begin(); i != pngPal.end(); i++) {
gg::PaletteEntry p;
p.red = i->red;
p.green = i->green;
p.blue = i->blue;
pal->push_back(p);
}
palOut->setPalette(pal);
} catch (const po::unknown_option& e) {
std::cerr << PROGNAME ": " << e.what()
<< ". Use --help for help." << std::endl;
return 1;
} catch (const po::invalid_command_line_syntax& e) {
std::cerr << PROGNAME ": " << e.what()
<< ". Use --help for help." << std::endl;
return 1;
}
return 0;
}
int cellPngDecDecodeData(u32 mainHandle, u32 subHandle, mem8_ptr_t data, const mem_ptr_t<CellPngDecDataCtrlParam> dataCtrlParam, mem_ptr_t<CellPngDecDataOutInfo> dataOutInfo)
{
if (!data.IsGood() || !dataCtrlParam.IsGood() || !dataOutInfo.IsGood())
return CELL_PNGDEC_ERROR_ARG;
dataOutInfo->status = CELL_PNGDEC_DEC_STATUS_STOP;
CellPngDecSubHandle* subHandle_data;
if(!cellPngDec.CheckId(subHandle, subHandle_data))
return CELL_PNGDEC_ERROR_FATAL;
const u32& fd = subHandle_data->fd;
const u64& fileSize = subHandle_data->fileSize;
const CellPngDecOutParam& current_outParam = subHandle_data->outParam;
//Copy the PNG file to a buffer
MemoryAllocator<unsigned char> png(fileSize);
MemoryAllocator<u64> pos, nread;
switch(subHandle_data->src.srcSelect.ToLE())
{
case CELL_PNGDEC_BUFFER:
Memory.Copy(png.GetAddr(), subHandle_data->src.streamPtr.ToLE(), png.GetSize());
break;
case CELL_PNGDEC_FILE:
cellFsLseek(fd, 0, CELL_SEEK_SET, pos.GetAddr());
cellFsRead(fd, png.GetAddr(), png.GetSize(), nread.GetAddr());
break;
}
//Decode PNG file. (TODO: Is there any faster alternative? Can we do it without external libraries?)
int width, height, actual_components;
auto image = std::unique_ptr<unsigned char,decltype(&::free)>
(
stbi_load_from_memory(png.GetPtr(), fileSize, &width, &height, &actual_components, 4),
&::free
);
if (!image) return CELL_PNGDEC_ERROR_STREAM_FORMAT;
uint image_size = width * height;
switch((u32)current_outParam.outputColorSpace)
{
case CELL_PNGDEC_RGB:
case CELL_PNGDEC_RGBA:
{
const char nComponents = (CELL_PNGDEC_RGBA ? 4 : 3);
image_size *= nComponents;
if (dataCtrlParam->outputBytesPerLine > width * nComponents) //check if we need padding
{
//TODO: find out if we can't do padding without an extra copy
char *output = (char *) malloc(dataCtrlParam->outputBytesPerLine*height);
for (int i = 0; i < height; i++)
{
memcpy(&output[i*dataCtrlParam->outputBytesPerLine], &image.get()[width*nComponents*i], width*nComponents);
}
Memory.CopyFromReal(data.GetAddr(), output, dataCtrlParam->outputBytesPerLine*height);
free(output);
}
else
{
Memory.CopyFromReal(data.GetAddr(), image.get(), image_size);
}
}
break;
case CELL_PNGDEC_ARGB:
{
const char nComponents = 4;
image_size *= nComponents;
if (dataCtrlParam->outputBytesPerLine > width * nComponents) //check if we need padding
{
//TODO: find out if we can't do padding without an extra copy
char *output = (char *) malloc(dataCtrlParam->outputBytesPerLine*height);
for (int i = 0; i < height; i++)
{
for (int j = 0; j < width * nComponents; j += nComponents){
output[i*dataCtrlParam->outputBytesPerLine + j ] = image.get()[i*width * nComponents + j + 3];
output[i*dataCtrlParam->outputBytesPerLine + j + 1] = image.get()[i*width * nComponents + j + 0];
output[i*dataCtrlParam->outputBytesPerLine + j + 2] = image.get()[i*width * nComponents + j + 1];
output[i*dataCtrlParam->outputBytesPerLine + j + 3] = image.get()[i*width * nComponents + j + 2];
}
}
Memory.CopyFromReal(data.GetAddr(), output, dataCtrlParam->outputBytesPerLine*height);
free(output);
}
else
{
for (uint i = 0; i < image_size; i += nComponents)
{
data += image.get()[i + 3];
data += image.get()[i + 0];
data += image.get()[i + 1];
data += image.get()[i + 2];
}
}
}
break;
case CELL_PNGDEC_GRAYSCALE:
case CELL_PNGDEC_PALETTE:
case CELL_PNGDEC_GRAYSCALE_ALPHA:
cellPngDec.Error("cellPngDecDecodeData: Unsupported color space (%d)", current_outParam.outputColorSpace.ToLE());
break;
default:
return CELL_PNGDEC_ERROR_ARG;
}
dataOutInfo->status = CELL_PNGDEC_DEC_STATUS_FINISH;
return CELL_OK;
}
bool PNGImage::load_from_file(const char* path)
{
uint8_t header[8]; // 8 is the maximum size that can be checked
// open file and test for it being a png
FILE *fp = fopen(path, "rb");
if (!fp) {
printf("[read_png_file] File %s could not be opened for reading", path);
return false;
}
ScopedCloseFile scope_close(fp);
fread(header, 1, 8, fp);
if (png_sig_cmp(header, 0, 8)) {
printf("[read_png_file] File %s is not recognized as a PNG file", path);
return false;
}
// initialize stuff
_png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, nullptr, nullptr, nullptr);
if (!_png_ptr) {
printf("[read_png_file] png_create_read_struct failed");
return false;
}
_info_ptr = png_create_info_struct(png(_png_ptr));
if (!_info_ptr) {
printf("[read_png_file] png_create_info_struct failed");
return false;
}
if (setjmp(png_jmpbuf(png(_png_ptr)))) {
printf("[read_png_file] Error during init_io");
return false;
}
png_init_io(png(_png_ptr), fp);
png_set_sig_bytes(png(_png_ptr), 8);
png_read_info(png(_png_ptr), png_info(_info_ptr));
_size.width = png_get_image_width(png(_png_ptr), png_info(_info_ptr));
_size.height = png_get_image_height(png(_png_ptr), png_info(_info_ptr));
png_byte color_type = png_get_color_type(png(_png_ptr), png_info(_info_ptr));
int bit_depth = png_get_bit_depth(png(_png_ptr), png_info(_info_ptr));
// let's just support 8bits per channel for now
if (bit_depth == 16) {
png_set_strip_16(png(_png_ptr));
}
if (bit_depth < 8) {
png_set_packing(png(_png_ptr));
}
// fill alpha channel with 255 if absent
if (color_type == PNG_COLOR_TYPE_RGB){
png_set_filler(png(_png_ptr), 255, PNG_FILLER_BEFORE);
}
int number_of_passes = png_set_interlace_handling(png(_png_ptr));
png_read_update_info(png(_png_ptr), png_info(_info_ptr));
// read file
if (setjmp(png_jmpbuf(png(_png_ptr)))) {
printf("[read_png_file] Error during read_image");
return false;
}
_rows = (png_bytep*) malloc(sizeof(png_bytep) * _size.height);
for (int y = 0; y < _size.height; y++) {
_rows[y] = (png_byte*) malloc(png_get_rowbytes(png(_png_ptr),png_info(_info_ptr)));
}
png_read_image(png(_png_ptr), _rows);
return true;
}
bool C4GraphicsSystem::DoSaveScreenshot(bool fSaveAll, const char *szFilename, float fSaveAllZoom)
{
// Fullscreen only
if (Application.isEditor) return false;
// back surface must be present
if (!FullScreen.pSurface) return false;
// save landscape
if (fSaveAll)
{
// Create full map screenshots at zoom 2x. Fractional zooms (like 1.7x) should work but might cause some trouble at screen borders.
float zoom = fSaveAllZoom;
// get viewport to draw in
C4Viewport *pVP=::Viewports.GetFirstViewport(); if (!pVP) return false;
// create image large enough to hold the landscape
std::unique_ptr<CPNGFile> png(new CPNGFile());
int32_t lWdt = GBackWdt * zoom, lHgt = GBackHgt * zoom;
if (!png->Create(lWdt, lHgt, false)) return false;
// get backbuffer size
int32_t bkWdt=C4GUI::GetScreenWdt(), bkHgt=C4GUI::GetScreenHgt();
if (!bkWdt || !bkHgt) return false;
// facet for blitting
C4TargetFacet bkFct;
// mark background to be redrawn
InvalidateBg();
// draw on one big viewport
pVP->SetOutputSize(0,0,0,0, bkWdt, bkHgt);
// backup and clear sky parallaxity
int32_t iParX=::Landscape.Sky.ParX; ::Landscape.Sky.ParX=10;
int32_t iParY=::Landscape.Sky.ParY; ::Landscape.Sky.ParY=10;
// backup and clear viewport borders
FLOAT_RECT vp_borders = { pVP->BorderLeft, pVP->BorderRight, pVP->BorderTop, pVP->BorderBottom };
pVP->BorderLeft = pVP->BorderRight = pVP->BorderTop = pVP->BorderBottom = 0.0f;
// temporarily change viewport player
int32_t iVpPlr=pVP->Player; pVP->Player=NO_OWNER;
// blit all tiles needed
for (int32_t iY=0; iY<lHgt; iY+=bkHgt) for (int32_t iX=0; iX<lWdt; iX+=bkWdt)
{
// get max width/height
int32_t bkWdt2=bkWdt,bkHgt2=bkHgt;
if (iX+bkWdt2>lWdt) bkWdt2-=iX+bkWdt2-lWdt;
if (iY+bkHgt2>lHgt) bkHgt2-=iY+bkHgt2-lHgt;
// update facet
bkFct.Set(FullScreen.pSurface, 0, 0, ceil(float(bkWdt2)/zoom), ceil(float(bkHgt2)/zoom), iX/zoom, iY/zoom, zoom, 0, 0);
// draw there
pVP->Draw(bkFct, true, false);
// render
FullScreen.pSurface->PageFlip(); FullScreen.pSurface->PageFlip();
// get output (locking primary!)
if (FullScreen.pSurface->Lock())
{
// transfer each pixel - slooow...
for (int32_t iY2 = 0; iY2 < bkHgt2; ++iY2)
#ifndef USE_CONSOLE
glReadPixels(0, FullScreen.pSurface->Hgt - iY2 - 1, bkWdt2, 1, GL_BGR, GL_UNSIGNED_BYTE, reinterpret_cast<BYTE *>(png->GetRow(iY + iY2)) + iX * 3);
#else
for (int32_t iX2=0; iX2<bkWdt2; ++iX2)
png->SetPix(iX+iX2, iY+iY2, FullScreen.pSurface->GetPixDw(iX2, iY2, false));
#endif
// done; unlock
FullScreen.pSurface->Unlock();
// This can take a long time and we would like to pump messages
// However, we're currently hogging the primary surface and horrible things might happen if we do that, including initiation of another screenshot
// The only thing that can be safely run is music (sound could play but that would just make them out of sync of the game)
::Application.MusicSystem.Execute(true);
}
}
// restore viewport player
pVP->Player=iVpPlr;
// restore viewport borders
pVP->BorderLeft = vp_borders.left;
pVP->BorderTop = vp_borders.top;
pVP->BorderRight = vp_borders.right;
pVP->BorderBottom = vp_borders.bottom;
// restore parallaxity
::Landscape.Sky.ParX=iParX;
::Landscape.Sky.ParY=iParY;
// restore viewport size
::Viewports.RecalculateViewports();
// save!
CPNGFile::ScheduleSaving(png.release(), szFilename);
return true;
}
// Save primary surface in background thread
return FullScreen.pSurface->SavePNG(szFilename, false, false, true);
}
/**
* Convert the given map into a PNG file on disk, by rendering the map as it
* would appear in the game.
*
* @param map
* Map file to export.
*
* @param allTilesets
* Collection of tilesets to use when rendering the map.
*
* @param destFile
* Filename of destination (including ".png")
*
* @throw stream::error on error
*/
void map2dToPng(const gm::Map2D& map, const gm::TilesetCollection& allTilesets,
const std::string& destFile)
{
gg::Point outSize = map.mapSize(); // in pixels
gg::Point globalTileSize = map.tileSize();
outSize.x *= globalTileSize.x;
outSize.y *= globalTileSize.y;
png::image<png::index_pixel> png(outSize.x, outSize.y);
std::shared_ptr<const gg::Palette> srcPal;
gg::ColourDepth depth = gg::ColourDepth::VGA; // default, should never be used
for (auto& i : allTilesets) {
depth = i.second->colourDepth();
if (i.second->caps() & gg::Tileset::Caps::HasPalette) {
srcPal = i.second->palette();
break;
}
}
int forceXP = -1;
png::palette pngPal;
png::tRNS pngTNS;
int palOffset;
auto transparentIndex = preparePalette(depth, srcPal.get(), &pngPal, &pngTNS,
&palOffset, forceXP);
png.set_palette(pngPal);
if (pngTNS.size() > 0) png.set_tRNS(pngTNS);
// Get the map background
auto bg = map.background(allTilesets);
switch (bg.att) {
case gm::Map2D::Background::Attachment::NoBackground: {
for (unsigned int y = 0; y < outSize.y; y++) {
for (unsigned int x = 0; x < outSize.x; x++) {
png[y][x] = transparentIndex;
}
}
break;
}
case gm::Map2D::Background::Attachment::SingleColour: {
// Find the background colour in the palette. This won't find transparent
// colours, but that's what NoBackground is for.
png::index_pixel clr(0);
unsigned int palIndex = 0;
for (auto& i : pngPal) {
if (
(bg.clr.red == i.red)
&& (bg.clr.green == i.green)
&& (bg.clr.blue == i.blue)
) {
clr = palIndex;
break;
}
palIndex++;
}
for (unsigned int y = 0; y < outSize.y; y++) {
for (unsigned int x = 0; x < outSize.x; x++) {
png[y][x] = clr;
}
}
break;
}
// TODO - case gm::Map2D::Background::Attachment::SingleImageCentred:
case gm::Map2D::Background::Attachment::SingleImageTiled: {
auto tilePixels = bg.img->convert();
auto tileMask = bg.img->convert_mask();
auto tileSize = bg.img->dimensions();
for (unsigned int y = 0; y < outSize.y; y++) {
for (unsigned int x = 0; x < outSize.x; x++) {
auto pos = (y % tileSize.y) * tileSize.x + (x % tileSize.x);
png[y][x] = png::index_pixel(
(tileMask[pos] & (int)gg::Image::Mask::Transparent)
? transparentIndex : (tilePixels[pos] + palOffset)
);
}
}
break;
}
}
for (auto& layer : map.layers()) {
// Figure out the layer size (in tiles) and the tile size
gg::Point layerSize, tileSize;
getLayerDims(map, *layer, &layerSize, &tileSize);
// Prepare tileset
std::vector<CachedTile> cache;
// Run through all items in the layer and render them one by one
for (auto& t : layer->items()) {
CachedTile thisTile;
unsigned int tileCode = t.code;
// Find the cached tile
bool found = false;
for (auto& ct : cache) {
if (ct.code == tileCode) {
thisTile = ct;
found = true;
break;
}
}
if (!found) {
// Tile hasn't been cached yet, load it from the tileset
gm::Map2D::Layer::ImageFromCodeInfo imgType;
try {
imgType = layer->imageFromCode(t, allTilesets);
} catch (const std::exception& e) {
std::cerr << "Error loading image: " << e.what() << std::endl;
imgType.type = gm::Map2D::Layer::ImageFromCodeInfo::ImageType::Unknown;
}
switch (imgType.type) {
case gm::Map2D::Layer::ImageFromCodeInfo::ImageType::Supplied:
assert(imgType.img);
thisTile.data = imgType.img->convert();
thisTile.mask = imgType.img->convert_mask();
thisTile.dims = imgType.img->dimensions();
thisTile.code = tileCode;
break;
case gm::Map2D::Layer::ImageFromCodeInfo::ImageType::Blank:
thisTile.dims = {0, 0};
break;
case gm::Map2D::Layer::ImageFromCodeInfo::ImageType::NumImageTypes: // Avoid compiler warning about unhandled enum
assert(false);
// fall through
case gm::Map2D::Layer::ImageFromCodeInfo::ImageType::Unknown:
case gm::Map2D::Layer::ImageFromCodeInfo::ImageType::HexDigit:
case gm::Map2D::Layer::ImageFromCodeInfo::ImageType::Interactive:
// Display nothing, but could be changed to a question mark
thisTile.dims = {0, 0};
break;
}
cache.push_back(thisTile);
}
if ((thisTile.dims.x == 0) || (thisTile.dims.y == 0)) continue; // no image
// Draw tile onto png
unsigned int tnsSize = pngTNS.size();
unsigned int offX = t.pos.x * tileSize.x;
unsigned int offY = t.pos.y * tileSize.y;
for (unsigned int tY = 0; tY < thisTile.dims.y; tY++) {
unsigned int pngY = offY+tY;
if (pngY >= outSize.y) break; // don't write past image edge
for (unsigned int tX = 0; tX < thisTile.dims.x; tX++) {
unsigned int pngX = offX+tX;
if (pngX >= outSize.x) break; // don't write past image edge
auto pos = tY * thisTile.dims.x + tX;
// Only write opaque pixels
if ((thisTile.mask[pos] & (int)gg::Image::Mask::Transparent) == 0) {
unsigned int pix = thisTile.data[pos] + palOffset;
// Also skip pixels if they are using palette transparency
if ((pix >= tnsSize) || (pngTNS[pix] > 0)) {
png[pngY][pngX] = png::index_pixel(pix);
}
} // else let higher layers see through to lower ones
}
}
} // else layer is empty
}
png.write(destFile);
return;
}
s32 pngDecodeData(PPUThread& ppu, PHandle handle, PStream stream, vm::ptr<u8> data, PDataControlParam data_control_param, PDataOutInfo data_out_info, PCbControlDisp cb_control_disp = vm::null, PDispParam disp_param = vm::null)
{
if (cb_control_disp || disp_param)
{
throw EXCEPTION("Partial image decoding is not supported");
}
// Indicate, that the PNG decoding is stopped/failed. This is incase, we return an error code in the middle of decoding
data_out_info->status = CELL_PNGDEC_DEC_STATUS_STOP;
// Possibilities for decoding in different sizes aren't tested, so if anyone finds any of these cases, we'll know about it.
if (stream->info.imageWidth != stream->out_param.outputWidth)
{
throw EXCEPTION("Image width doesn't match output width! (%d/%d)", stream->out_param.outputWidth, stream->info.imageWidth);
}
if (stream->info.imageHeight != stream->out_param.outputHeight)
{
throw EXCEPTION("Image width doesn't match output height! (%d/%d)", stream->out_param.outputHeight, stream->info.imageHeight);
}
// Get the amount of output bytes per line
const u32 bytes_per_line = data_control_param->outputBytesPerLine;
// Whether to recaculate bytes per row
bool recalculate_bytes_per_row = false;
// Check if the game is expecting the number of bytes per line to be lower, than the actual bytes per line on the image. (Arkedo Pixel for example)
// In such case we strip the bit depth to be lower.
if ((bytes_per_line < stream->out_param.outputWidthByte) && stream->out_param.outputBitDepth != 8)
{
// Check if the packing is really 1 byte per 1 pixel
if (stream->packing != CELL_PNGDEC_1BYTE_PER_1PIXEL)
{
throw EXCEPTION("Unexpected packing value! (%d)", stream->packing);
}
// Scale 16 bit depth down to 8 bit depth. PS3 uses png_set_strip_16, since png_set_scale_16 wasn't available back then.
png_set_strip_16(stream->png_ptr);
recalculate_bytes_per_row = true;
}
// Check if the outputWidthByte is smaller than the intended output length of a line. For example an image might be in RGB, but we need to output 4 components, so we need to perform alpha padding.
else if (stream->out_param.outputWidthByte < (stream->out_param.outputWidth * stream->out_param.outputComponents))
{
// If fixed alpha is not specified in such a case, the default value for the alpha is 0xFF (255)
if (!stream->fixed_alpha)
{
stream->fixed_alpha_colour = 0xFF;
}
// We need to fill alpha (before or after, depending on the output colour format) using the fixed alpha value passed by the game.
png_set_add_alpha(stream->png_ptr, stream->fixed_alpha_colour, stream->out_param.outputColorSpace == CELL_PNGDEC_RGBA ? PNG_FILLER_AFTER : PNG_FILLER_BEFORE);
recalculate_bytes_per_row = true;
}
// We decode as RGBA, so we need to swap the alpha
else if (stream->out_param.outputColorSpace == CELL_PNGDEC_ARGB)
{
// Swap the alpha channel for the ARGB output format, if the padding isn't needed
png_set_swap_alpha(stream->png_ptr);
}
// Sometimes games pass in a RBG/RGBA image and want it as grayscale
else if ((stream->out_param.outputColorSpace == CELL_PNGDEC_GRAYSCALE_ALPHA || stream->out_param.outputColorSpace == CELL_PNGDEC_GRAYSCALE)
&& (stream->info.colorSpace == CELL_PNGDEC_RGB || stream->info.colorSpace == CELL_PNGDEC_RGBA))
{
// Tell libpng to convert it to grayscale
png_set_rgb_to_gray(stream->png_ptr, PNG_ERROR_ACTION_NONE, PNG_RGB_TO_GRAY_DEFAULT, PNG_RGB_TO_GRAY_DEFAULT);
recalculate_bytes_per_row = true;
}
if (recalculate_bytes_per_row)
{
// Update the info structure
png_read_update_info(stream->png_ptr, stream->info_ptr);
// Recalculate the bytes per row
stream->out_param.outputWidthByte = png_get_rowbytes(stream->png_ptr, stream->info_ptr);
}
// Calculate the image size
u32 image_size = stream->out_param.outputWidthByte * stream->out_param.outputHeight;
// Buffer for storing the image
std::vector<u8> png(image_size);
// Make an unique pointer for the row pointers
std::vector<u8*> row_pointers(stream->out_param.outputHeight);
// Allocate memory for rows
for (u32 y = 0; y < stream->out_param.outputHeight; y++)
{
row_pointers[y] = &png[y * stream->out_param.outputWidthByte];
}
// Decode the image
png_read_image(stream->png_ptr, row_pointers.data());
// Check if the image needs to be flipped
const bool flip = stream->out_param.outputMode == CELL_PNGDEC_BOTTOM_TO_TOP;
// Copy the result to the output buffer
switch (stream->out_param.outputColorSpace)
{
case CELL_PNGDEC_RGB:
case CELL_PNGDEC_RGBA:
case CELL_PNGDEC_ARGB:
case CELL_PNGDEC_GRAYSCALE_ALPHA:
{
// Check if we need to flip the image or need to leave empty bytes at the end of a line
if ((bytes_per_line > stream->out_param.outputWidthByte) || flip)
{
// Get how many bytes per line we need to output - bytesPerLine is total amount of bytes per line, rest is unused and the game can do as it pleases.
const u32 line_size = std::min(bytes_per_line, stream->out_param.outputWidth * 4);
// If the game wants more bytes per line to be output, than the image has, then we simply copy what we have for each line,
// and continue on the next line, thus leaving empty bytes at the end of the line.
for (u32 i = 0; i < stream->out_param.outputHeight; i++)
{
const u32 dst = i * bytes_per_line;
const u32 src = stream->out_param.outputWidth * 4 * (flip ? stream->out_param.outputHeight - i - 1 : i);
memcpy(&data[dst], &png[src], line_size);
}
}
else
{
// We can simply copy the output to the data pointer specified by the game, since we already do alpha channel transformations in libpng, if needed
memcpy(data.get_ptr(), png.data(), image_size);
}
break;
}
default: throw EXCEPTION("Unsupported color space (%d)", stream->out_param.outputColorSpace);
}
// Get the number of iTXt, tEXt and zTXt chunks
s32 text_chunks = 0;
png_get_text(stream->png_ptr, stream->info_ptr, nullptr, &text_chunks);
// Set the chunk information and the previously obtained number of text chunks
data_out_info->numText = (u32)text_chunks;
data_out_info->chunkInformation = pngDecGetChunkInformation(stream, true);
data_out_info->numUnknownChunk = 0; // TODO: Get this somehow. Does anything even use or need this?
// Indicate that the decoding succeeded
data_out_info->status = CELL_PNGDEC_DEC_STATUS_FINISH;
return CELL_OK;
}
void Tileset::create_tile(const std::string& filename, ZipReader *zip) throw (Exception) {
try {
PNG png(filename, zip);
const int& png_width = png.get_width();
const int& png_height = png.get_height();
int tileno = 0;
int tiley = 0;
int tilex = 0;
char kvb[128];
while (true) {
/* get tile properties */
sprintf(kvb, "frames%d", tileno);
int frames = atoi(get_value(kvb).c_str());
if (!frames) frames = 1;
sprintf(kvb, "tiletype%d", tileno);
int tile_type_val = atoi(get_value(kvb).c_str());
Tile::TileType tile_type = static_cast<Tile::TileType>(tile_type_val);
sprintf(kvb, "background%d", tileno);
bool background = true;
if (get_value(kvb).length()) {
background = (atoi(get_value(kvb).c_str()) == 0 ? false : true);
}
sprintf(kvb, "animation_speed%d", tileno);
int animation_speed = atoi(get_value(kvb).c_str());
if (!animation_speed) {
animation_speed = 45;
}
sprintf(kvb, "friction%d", tileno);
double friction = atof(get_value(kvb).c_str());
if (friction > -Epsilon && friction < Epsilon) {
friction = 0.05f;
}
sprintf(kvb, "light_blocking%d", tileno);
bool light_blocking = false;
if (get_value(kvb).length()) {
light_blocking = (atoi(get_value(kvb).c_str()) != 0 ? true : false);
}
/* create all pictures consecutively for this tile */
TileGraphic *tg = subsystem.create_tilegraphic(tile_width, tile_height);
while (frames && tiley < png_height) {
/* store current picture in the graphics layer */
tg->punch_out_tile(png, tilex, tiley, false);
/* advance to next tile */
frames--;
tilex += tile_width;
if (tilex >= png_width) {
tilex = 0;
tiley += tile_height;
}
}
/* create tile with its pictures */
Tile *tile = new Tile(tg, background, tile_type, animation_speed, false, friction);
tile->set_light_blocking(light_blocking);
tiles.push_back(tile);
sz = static_cast<int>(tiles.size());
/* test if all pics in tileset are grabbed */
if (tiley >= png_height) {
break;
}
/* increment tileno */
tileno++;
}
} catch (const Exception&) {
cleanup();
throw;
}
}