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Fix macOS icon export (add 1024px PNG icon and 32px/16px RLE icons). 

(cherry picked from commit 56b26c4369)
This commit is contained in:
bruvzg 2018-11-26 16:01:38 +02:00 committed by Rémi Verschelde
parent deef878f6f
commit 56a82b473e
1 changed files with 137 additions and 21 deletions
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158
platform/osx/export/export.cpp
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@ -138,10 +138,76 @@ void EditorExportPlatformOSX::get_export_options(List<ExportOption> *r_options)
r_options->push_back(ExportOption(PropertyInfo(Variant::BOOL, "texture_format/etc2"), false));
}
void _rgba8_to_packbits_encode(int p_ch, int p_size, PoolVector<uint8_t> &p_source, Vector<uint8_t> &p_dest) {
int src_len = p_size * p_size;
Vector<uint8_t> result;
result.resize(src_len * 1.25); //temp vector for rle encoded data, make it 25% larger for worst case scenario
int res_size = 0;
uint8_t buf[128];
int buf_size = 0;
int i = 0;
while (i < src_len) {
uint8_t cur = p_source.read()[i * 4 + p_ch];
if (i < src_len - 2) {
if ((p_source.read()[(i + 1) * 4 + p_ch] == cur) && (p_source.read()[(i + 2) * 4 + p_ch] == cur)) {
if (buf_size > 0) {
result[res_size++] = (uint8_t)(buf_size - 1);
copymem(&result[res_size], &buf, buf_size);
res_size += buf_size;
buf_size = 0;
}
uint8_t lim = i + 130 >= src_len ? src_len - i - 1 : 130;
bool hit_lim = true;
for (int j = 3; j <= lim; j++) {
if (p_source.read()[(i + j) * 4 + p_ch] != cur) {
hit_lim = false;
i = i + j - 1;
result[res_size++] = (uint8_t)(j - 3 + 0x80);
result[res_size++] = cur;
break;
}
}
if (hit_lim) {
result[res_size++] = (uint8_t)(lim - 3 + 0x80);
result[res_size++] = cur;
i = i + lim;
}
} else {
buf[buf_size++] = cur;
if (buf_size == 128) {
result[res_size++] = (uint8_t)(buf_size - 1);
copymem(&result[res_size], &buf, buf_size);
res_size += buf_size;
buf_size = 0;
}
}
} else {
buf[buf_size++] = cur;
result[res_size++] = (uint8_t)(buf_size - 1);
copymem(&result[res_size], &buf, buf_size);
res_size += buf_size;
buf_size = 0;
}
i++;
}
int ofs = p_dest.size();
p_dest.resize(p_dest.size() + res_size);
copymem(&p_dest[ofs], result.ptr(), res_size);
}
void EditorExportPlatformOSX::_make_icon(const Ref<Image> &p_icon, Vector<uint8_t> &p_data) {
Ref<ImageTexture> it = memnew(ImageTexture);
int size = 512;
Vector<uint8_t> data;
@ -151,32 +217,82 @@ void EditorExportPlatformOSX::_make_icon(const Ref<Image> &p_icon, Vector<uint8_
data[2] = 'n';
data[3] = 's';
const char *name[] = { "ic09", "ic08", "ic07", "icp6", "icp5", "icp4" };
int index = 0;
struct MacOSIconInfo {
const char *name;
const char *mask_name;
bool is_png;
int size;
};
while (size >= 16) {
static const MacOSIconInfo icon_infos[] = {
{ "ic10", "", true, 1024 }, //1024x1024 32-bit PNG and 512x512@2x 32-bit "retina" PNG
{ "ic09", "", true, 512 }, //512×512 32-bit PNG
{ "ic14", "", true, 512 }, //256x256@2x 32-bit "retina" PNG
{ "ic08", "", true, 256 }, //256×256 32-bit PNG
{ "ic13", "", true, 256 }, //128x128@2x 32-bit "retina" PNG
{ "ic07", "", true, 128 }, //128x128 32-bit PNG
{ "ic12", "", true, 64 }, //32x32@2x 32-bit "retina" PNG
{ "ic11", "", true, 32 }, //16x16@2x 32-bit "retina" PNG
{ "il32", "l8mk", false, 32 }, //32x32 24-bit RLE + 8-bit uncompressed mask
{ "is32", "s8mk", false, 16 } //16x16 24-bit RLE + 8-bit uncompressed mask
};
for (unsigned int i = 0; i < (sizeof(icon_infos) / sizeof(icon_infos[0])); ++i) {
Ref<Image> copy = p_icon; // does this make sense? doesn't this just increase the reference count instead of making a copy? Do we even need a copy?
copy->convert(Image::FORMAT_RGBA8);
copy->resize(size, size);
it->create_from_image(copy);
String path = EditorSettings::get_singleton()->get_cache_dir().plus_file("icon.png");
ResourceSaver::save(path, it);
copy->resize(icon_infos[i].size, icon_infos[i].size);
FileAccess *f = FileAccess::open(path, FileAccess::READ);
ERR_FAIL_COND(!f);
if (icon_infos[i].is_png) {
//encode png icon
it->create_from_image(copy);
String path = EditorSettings::get_singleton()->get_cache_dir().plus_file("icon.png");
ResourceSaver::save(path, it);
int ofs = data.size();
uint32_t len = f->get_len();
data.resize(data.size() + len + 8);
f->get_buffer(&data[ofs + 8], len);
memdelete(f);
len += 8;
len = BSWAP32(len);
copymem(&data[ofs], name[index], 4);
encode_uint32(len, &data[ofs + 4]);
index++;
size /= 2;
FileAccess *f = FileAccess::open(path, FileAccess::READ);
ERR_FAIL_COND(!f);
int ofs = data.size();
uint32_t len = f->get_len();
data.resize(data.size() + len + 8);
f->get_buffer(&data[ofs + 8], len);
memdelete(f);
len += 8;
len = BSWAP32(len);
copymem(&data[ofs], icon_infos[i].name, 4);
encode_uint32(len, &data[ofs + 4]);
} else {
PoolVector<uint8_t> src_data = copy->get_data();
//encode 24bit RGB RLE icon
{
int ofs = data.size();
data.resize(data.size() + 8);
_rgba8_to_packbits_encode(0, icon_infos[i].size, src_data, data); // encode R
_rgba8_to_packbits_encode(1, icon_infos[i].size, src_data, data); // encode G
_rgba8_to_packbits_encode(2, icon_infos[i].size, src_data, data); // encode B
int len = data.size() - ofs;
len = BSWAP32(len);
copymem(&data[ofs], icon_infos[i].name, 4);
encode_uint32(len, &data[ofs + 4]);
}
//encode 8bit mask uncompressed icon
{
int ofs = data.size();
int len = copy->get_width() * copy->get_height();
data.resize(data.size() + len + 8);
for (int j = 0; j < len; j++) {
data[ofs + 8 + j] = src_data.read()[j * 4 + 3];
}
len += 8;
len = BSWAP32(len);
copymem(&data[ofs], icon_infos[i].mask_name, 4);
encode_uint32(len, &data[ofs + 4]);
}
}
}
uint32_t total_len = data.size();