mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-08 20:47:44 +00:00
132 lines
4.6 KiB
Diff
132 lines
4.6 KiB
Diff
diff --git a/gfx/ots/include/opentype-sanitiser.h b/gfx/ots/include/opentype-sanitiser.h
|
|
--- a/gfx/ots/include/opentype-sanitiser.h
|
|
+++ b/gfx/ots/include/opentype-sanitiser.h
|
|
@@ -176,18 +176,20 @@ class OTSStream {
|
|
|
|
// -----------------------------------------------------------------------------
|
|
// Process a given OpenType file and write out a sanitised version
|
|
// output: a pointer to an object implementing the OTSStream interface. The
|
|
// sanitisied output will be written to this. In the even of a failure,
|
|
// partial output may have been written.
|
|
// input: the OpenType file
|
|
// length: the size, in bytes, of |input|
|
|
+// preserve_graphite_tables: whether to preserve Graphite Layout tables
|
|
// -----------------------------------------------------------------------------
|
|
-bool Process(OTSStream *output, const uint8_t *input, size_t length);
|
|
+bool Process(OTSStream *output, const uint8_t *input, size_t length,
|
|
+ bool preserve_graphite_tables = false);
|
|
|
|
// Force to disable debug output even when the library is compiled with
|
|
// -DOTS_DEBUG.
|
|
void DisableDebugOutput();
|
|
|
|
} // namespace ots
|
|
|
|
#endif // OPENTYPE_SANITISER_H_
|
|
diff --git a/gfx/ots/src/ots.cc b/gfx/ots/src/ots.cc
|
|
--- a/gfx/ots/src/ots.cc
|
|
+++ b/gfx/ots/src/ots.cc
|
|
@@ -138,16 +138,27 @@ const struct {
|
|
{ "GPOS", ots::ots_gpos_parse, ots::ots_gpos_serialise,
|
|
ots::ots_gpos_should_serialise, ots::ots_gpos_free, false },
|
|
{ "GSUB", ots::ots_gsub_parse, ots::ots_gsub_serialise,
|
|
ots::ots_gsub_should_serialise, ots::ots_gsub_free, false },
|
|
{ "vhea", ots::ots_vhea_parse, ots::ots_vhea_serialise,
|
|
ots::ots_vhea_should_serialise, ots::ots_vhea_free, false },
|
|
{ "vmtx", ots::ots_vmtx_parse, ots::ots_vmtx_serialise,
|
|
ots::ots_vmtx_should_serialise, ots::ots_vmtx_free, false },
|
|
+ // SILGraphite layout tables - not actually parsed, just copied
|
|
+ { "Silf", ots::ots_silf_parse, ots::ots_silf_serialise,
|
|
+ ots::ots_silf_should_serialise, ots::ots_silf_free, false },
|
|
+ { "Sill", ots::ots_sill_parse, ots::ots_sill_serialise,
|
|
+ ots::ots_sill_should_serialise, ots::ots_sill_free, false },
|
|
+ { "Gloc", ots::ots_gloc_parse, ots::ots_gloc_serialise,
|
|
+ ots::ots_gloc_should_serialise, ots::ots_gloc_free, false },
|
|
+ { "Glat", ots::ots_glat_parse, ots::ots_glat_serialise,
|
|
+ ots::ots_glat_should_serialise, ots::ots_glat_free, false },
|
|
+ { "Feat", ots::ots_feat_parse, ots::ots_feat_serialise,
|
|
+ ots::ots_feat_should_serialise, ots::ots_feat_free, false },
|
|
// TODO(bashi): Support mort, base, and jstf tables.
|
|
{ 0, NULL, NULL, NULL, NULL, false },
|
|
};
|
|
|
|
bool IsValidVersionTag(uint32_t tag) {
|
|
return tag == Tag("\x00\x01\x00\x00") ||
|
|
// OpenType fonts with CFF data have 'OTTO' tag.
|
|
tag == Tag("OTTO") ||
|
|
@@ -581,22 +592,25 @@ bool ProcessGeneric(ots::OpenTypeFile *h
|
|
} // namespace
|
|
|
|
namespace ots {
|
|
|
|
void DisableDebugOutput() {
|
|
g_debug_output = false;
|
|
}
|
|
|
|
-bool Process(OTSStream *output, const uint8_t *data, size_t length) {
|
|
+bool Process(OTSStream *output, const uint8_t *data, size_t length,
|
|
+ bool preserveGraphite) {
|
|
OpenTypeFile header;
|
|
if (length < 4) {
|
|
return OTS_FAILURE();
|
|
}
|
|
|
|
+ header.preserve_graphite = preserveGraphite;
|
|
+
|
|
bool result;
|
|
if (data[0] == 'w' && data[1] == 'O' && data[2] == 'F' && data[3] == 'F') {
|
|
result = ProcessWOFF(&header, output, data, length);
|
|
} else {
|
|
result = ProcessTTF(&header, output, data, length);
|
|
}
|
|
|
|
for (unsigned i = 0; ; ++i) {
|
|
diff --git a/gfx/ots/src/ots.h b/gfx/ots/src/ots.h
|
|
--- a/gfx/ots/src/ots.h
|
|
+++ b/gfx/ots/src/ots.h
|
|
@@ -178,17 +178,22 @@ class Buffer {
|
|
F(maxp, MAXP) \
|
|
F(name, NAME) \
|
|
F(os2, OS2) \
|
|
F(post, POST) \
|
|
F(prep, PREP) \
|
|
F(vdmx, VDMX) \
|
|
F(vorg, VORG) \
|
|
F(vhea, VHEA) \
|
|
- F(vmtx, VMTX)
|
|
+ F(vmtx, VMTX) \
|
|
+ F(silf, SILF) \
|
|
+ F(sill, SILL) \
|
|
+ F(glat, GLAT) \
|
|
+ F(gloc, GLOC) \
|
|
+ F(feat, FEAT)
|
|
|
|
#define F(name, capname) struct OpenType##capname;
|
|
FOR_EACH_TABLE_TYPE
|
|
#undef F
|
|
|
|
struct OpenTypeFile {
|
|
OpenTypeFile() {
|
|
#define F(name, capname) name = NULL;
|
|
@@ -197,16 +202,20 @@ struct OpenTypeFile {
|
|
}
|
|
|
|
uint32_t version;
|
|
uint16_t num_tables;
|
|
uint16_t search_range;
|
|
uint16_t entry_selector;
|
|
uint16_t range_shift;
|
|
|
|
+ // This is used to tell the relevant parsers whether to preserve the
|
|
+ // Graphite layout tables (currently _without_ any checking)
|
|
+ bool preserve_graphite;
|
|
+
|
|
#define F(name, capname) OpenType##capname *name;
|
|
FOR_EACH_TABLE_TYPE
|
|
#undef F
|
|
};
|
|
|
|
#define F(name, capname) \
|
|
bool ots_##name##_parse(OpenTypeFile *f, const uint8_t *d, size_t l); \
|
|
bool ots_##name##_should_serialise(OpenTypeFile *f); \
|