void writeIconDirEntry(ByteStream& stream, int width, int height, int offset) {
stream.put(width == 256 ? 0 : width); //Specifies image width in pixels. Can be any number between 0 and 255. Value 0 means image width is 256 pixels.
stream.put(height == 256 ? 0 : height); //Specifies image height in pixels. Can be any number between 0 and 255. Value 0 means image height is 256 pixels.
stream.put(0); //Specifies number of colors in the color palette. Should be 0 if the image does not use a color palette.
stream.put(0); //Reserved. Should be 0.[Notes 2]
stream.write(convertShortToByteArrayLE((short)1)); //Specifies color planes. Should be 0 or 1.[Notes 3]
stream.write(convertShortToByteArrayLE((short)32)); //Specifies bits per pixel. [Notes 4]
stream.write(convertIntToByteArrayLE(width * height * 4 + 40)); //Specifies the size of the image's data in bytes
stream.write(convertIntToByteArrayLE(offset)); //Specifies the offset of BMP or PNG data from the beginning of the ICO/CUR file
}
int stream_writefn(struct iw_context *ctx, struct iw_iodescr *iodescr, const void *buf, size_t nbytes) {
//fwrite(buf, 1, nbytes, (FILE*)iodescr->fp);
ByteStream* stream = (ByteStream*)iodescr->fp;
for (size_t i = 0; i < nbytes; ++i) {
stream->put(((byte*)buf)[i]);
}
return 1;
}
void writeBMP(ByteStream& stream, iw_image* image) {
writeBMPHeader(stream, image->width, image->height);
for (int y = image->height - 1; y >= 0; --y) {
for (int x = 0; x < image->width; ++x) {
//stream.put(image->b(x, y));
//stream.put(image->g(x, y));
//stream.put(image->r(x, y));
//stream.put(image->a(x, y));
//stream.write(convertIntToByteArrayLE(image->argb(x, y)));
stream.put(image->pixels[y * image->bpr + x * 4 + 2]);
stream.put(image->pixels[y * image->bpr + x * 4 + 1]);
stream.put(image->pixels[y * image->bpr + x * 4 + 0]);
stream.put(image->pixels[y * image->bpr + x * 4 + 3]);
}
}
}
void macIcon(iw_context* context, const char* filename) {
//16x16
//32x32
//128x128
//256x256
//512x512
//1024x1024
ByteStream stream;
iw_iodescr writedescr;
memset(&writedescr, 0, sizeof(struct iw_iodescr));
writedescr.write_fn = stream_writefn;
writedescr.seek_fn = stream_seekfn;
writedescr.fp = &stream;
stream.put('i'); stream.put('c'); stream.put('n'); stream.put('s');
stream.put('-'); stream.put('-'); stream.put('-'); stream.put('-');
stream.put('i'); stream.put('c'); stream.put('0'); stream.put('8');
stream.put('-'); stream.put('-'); stream.put('-'); stream.put('-');
scale(context, 256, 256);
iw_write_file_by_fmt(context, &writedescr, IW_FORMAT_PNG);
int icon08size = static_cast<int>(stream.size() - 8);
stream.put('i'); stream.put('c'); stream.put('0'); stream.put('9');
stream.put('-'); stream.put('-'); stream.put('-'); stream.put('-');
scale(context, 512, 512);
iw_write_file_by_fmt(context, &writedescr, IW_FORMAT_PNG);
int icon09size = static_cast<int>(stream.size() - icon08size - 8);
stream.put('i'); stream.put('c'); stream.put('1'); stream.put('0');
stream.put('-'); stream.put('-'); stream.put('-'); stream.put('-');
scale(context, 1024, 1024);
iw_write_file_by_fmt(context, &writedescr, IW_FORMAT_PNG);
int icon10size = static_cast<int>(stream.size() - icon09size - icon08size - 8);
std::vector<byte> size = convertIntToByteArray(static_cast<int>(stream.size()));
for (int i = 0; i < 4; ++i) stream.set( 4 + i, size[i]);
size = convertIntToByteArray(icon08size);
for (int i = 0; i < 4; ++i) stream.set(12 + i, size[i]);
size = convertIntToByteArray(icon09size);
for (int i = 0; i < 4; ++i) stream.set(icon08size + 8 + 4 + i, size[i]);
size = convertIntToByteArray(icon10size);
for (int i = 0; i < 4; ++i) stream.set(icon08size + icon09size + 8 + 4 + i, size[i]);
stream.save(filename);
}
void writeIcoHeader(ByteStream& stream) {
stream.put(0); stream.put(0); //Reserved. Must always be 0.
stream.write(convertShortToByteArrayLE((short)1)); //Specifies image type: 1 for icon (.ICO) image, 2 for cursor (.CUR) image. Other values are invalid.
stream.write(convertShortToByteArrayLE((short)4)); //Specifies number of images in the file.
}
void put(ByteStream & target, const int64 & source)
{
target.put(&source, 8);
}
void put(ByteStream & target, const std::string & source)
{
target.put(source.c_str(), source.size()+1);
}
void put(ByteStream& target, const std::string& source)
{
const unsigned int size = source.size();
put(target, size);
target.put(source.data(), size * sizeof (char));
}
void Ball::exportToMacIcon(Path filename, Path directory) {
//16x16
//32x32
//128x128
//256x256
//512x512
//1024x1024
ByteStream stream;
stream.put('i'); stream.put('c'); stream.put('n'); stream.put('s');
stream.put('-'); stream.put('-'); stream.put('-'); stream.put('-');
stream.put('i'); stream.put('c'); stream.put('0'); stream.put('8');
stream.put('-'); stream.put('-'); stream.put('-'); stream.put('-');
scale(256, 256, transparent, directory)->save(stream);
int icon08size = static_cast<int>(stream.size() - 8);
stream.put('i'); stream.put('c'); stream.put('0'); stream.put('9');
stream.put('-'); stream.put('-'); stream.put('-'); stream.put('-');
scale(512, 512, transparent, directory)->save(stream);
int icon09size = static_cast<int>(stream.size() - icon08size - 8);
stream.put('i'); stream.put('c'); stream.put('1'); stream.put('0');
stream.put('-'); stream.put('-'); stream.put('-'); stream.put('-');
scale(1024, 1024, transparent, directory)->save(stream);
int icon10size = static_cast<int>(stream.size() - icon09size - icon08size - 8);
std::vector<byte> size = convertIntToByteArray(static_cast<int>(stream.size()));
for (int i = 0; i < 4; ++i) stream.set( 4 + i, size[i]);
size = convertIntToByteArray(icon08size);
for (int i = 0; i < 4; ++i) stream.set(12 + i, size[i]);
size = convertIntToByteArray(icon09size);
for (int i = 0; i < 4; ++i) stream.set(icon08size + 8 + 4 + i, size[i]);
size = convertIntToByteArray(icon10size);
for (int i = 0; i < 4; ++i) stream.set(icon08size + icon09size + 8 + 4 + i, size[i]);
stream.save(filename);
}
