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-rw-r--r--Build/source/texk/web2c/mfluadir/otfcc/lib/table/gasp.c109
1 files changed, 109 insertions, 0 deletions
diff --git a/Build/source/texk/web2c/mfluadir/otfcc/lib/table/gasp.c b/Build/source/texk/web2c/mfluadir/otfcc/lib/table/gasp.c
new file mode 100644
index 00000000000..c8ccdbdd716
--- /dev/null
+++ b/Build/source/texk/web2c/mfluadir/otfcc/lib/table/gasp.c
@@ -0,0 +1,109 @@
+#include "gasp.h"
+
+#include "support/util.h"
+
+
+#define GASP_DOGRAY 0x0002
+#define GASP_GRIDFIT 0x0001
+#define GASP_SYMMETRIC_GRIDFIT 0x0004
+#define GASP_SYMMETRIC_SMOOTHING 0x0008
+
+caryll_standardType(gasp_Record, gasp_iRecord);
+caryll_standardVectorImpl(gasp_RecordList, gasp_Record, gasp_iRecord, gasp_iRecordList);
+
+static INLINE void initGasp(table_gasp *gasp) {
+ gasp->version = 1;
+ gasp_iRecordList.init(&gasp->records);
+}
+static INLINE void disposeGasp(MOVE table_gasp *gasp) {
+ gasp_iRecordList.dispose(&gasp->records);
+}
+
+caryll_standardRefType(table_gasp, table_iGasp, initGasp, disposeGasp);
+
+table_gasp *otfcc_readGasp(const otfcc_Packet packet, const otfcc_Options *options) {
+ table_gasp *gasp = NULL;
+ FOR_TABLE(OTFCC_CHR('g','a','s','p'), table) {
+ font_file_pointer data = table.data;
+ uint32_t length = table.length;
+ if (length < 4) { goto FAIL; }
+ gasp = table_iGasp.create();
+ gasp->version = read_16u(data);
+ tableid_t numRanges = read_16u(data + 2);
+ if (length < 4 + numRanges * 4) { goto FAIL; }
+
+ for (uint32_t j = 0; j < numRanges; j++) {
+ gasp_Record record;
+ record.rangeMaxPPEM = read_16u(data + 4 + j * 4);
+ uint16_t rangeGaspBehavior = read_16u(data + 4 + j * 4 + 2);
+ record.dogray = !!(rangeGaspBehavior & GASP_DOGRAY);
+ record.gridfit = !!(rangeGaspBehavior & GASP_GRIDFIT);
+ record.symmetric_smoothing = !!(rangeGaspBehavior & GASP_SYMMETRIC_SMOOTHING);
+ record.symmetric_gridfit = !!(rangeGaspBehavior & GASP_SYMMETRIC_GRIDFIT);
+ gasp_iRecordList.push(&gasp->records, record);
+ }
+ return gasp;
+
+ FAIL:
+ logWarning("table 'gasp' corrupted.\n");
+ table_iGasp.free(gasp);
+ gasp = NULL;
+ }
+ return NULL;
+}
+void otfcc_dumpGasp(const table_gasp *table, json_value *root, const otfcc_Options *options) {
+ if (!table) return;
+ loggedStep("gasp") {
+ json_value *t = json_array_new(table->records.length);
+ for (uint16_t j = 0; j < table->records.length; j++) {
+ json_value *rec = json_object_new(5);
+ json_object_push(rec, "rangeMaxPPEM",
+ json_integer_new(table->records.items[j].rangeMaxPPEM));
+ json_object_push(rec, "dogray", json_boolean_new(table->records.items[j].dogray));
+ json_object_push(rec, "gridfit", json_boolean_new(table->records.items[j].gridfit));
+ json_object_push(rec, "symmetric_smoothing",
+ json_boolean_new(table->records.items[j].symmetric_smoothing));
+ json_object_push(rec, "symmetric_gridfit",
+ json_boolean_new(table->records.items[j].symmetric_gridfit));
+ json_array_push(t, rec);
+ }
+ json_object_push(root, "gasp", t);
+ }
+}
+
+table_gasp *otfcc_parseGasp(const json_value *root, const otfcc_Options *options) {
+ table_gasp *gasp = NULL;
+ json_value *table = NULL;
+ if ((table = json_obj_get_type(root, "gasp", json_array))) {
+ loggedStep("gasp") {
+ gasp = table_iGasp.create();
+ for (uint16_t j = 0; j < table->u.array.length; j++) {
+ json_value *r = table->u.array.values[j];
+ if (!r || r->type != json_object) continue;
+ gasp_Record record;
+ record.rangeMaxPPEM = json_obj_getint_fallback(r, "rangeMaxPPEM", 0xFFFF);
+ record.dogray = json_obj_getbool(r, "dogray");
+ record.gridfit = json_obj_getbool(r, "gridfit");
+ record.symmetric_smoothing = json_obj_getbool(r, "symmetric_smoothing");
+ record.symmetric_gridfit = json_obj_getbool(r, "symmetric_gridfit");
+ gasp_iRecordList.push(&gasp->records, record);
+ }
+ }
+ }
+ return gasp;
+}
+
+caryll_Buffer *otfcc_buildGasp(const table_gasp *gasp, const otfcc_Options *options) {
+ if (!gasp) return NULL;
+ caryll_Buffer *buf = bufnew();
+ bufwrite16b(buf, 1);
+ bufwrite16b(buf, gasp->records.length);
+ for (uint16_t j = 0; j < gasp->records.length; j++) {
+ gasp_Record *r = &(gasp->records.items[j]);
+ bufwrite16b(buf, r->rangeMaxPPEM);
+ bufwrite16b(buf, (r->dogray ? GASP_DOGRAY : 0) | (r->gridfit ? GASP_GRIDFIT : 0) |
+ (r->symmetric_gridfit ? GASP_SYMMETRIC_GRIDFIT : 0) |
+ (r->symmetric_smoothing ? GASP_SYMMETRIC_SMOOTHING : 0));
+ }
+ return buf;
+}