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#include "hhea.h"
#include "support/util.h"
static INLINE void initHhea(table_hhea *hhea) {
memset(hhea, 0, sizeof(*hhea));
hhea->version = 0x10000;
}
static INLINE void disposeHhea(MOVE table_hhea *hhea) {
// trivial
}
caryll_standardRefType(table_hhea, table_iHhea, initHhea, disposeHhea);
table_hhea *otfcc_readHhea(const otfcc_Packet packet, const otfcc_Options *options) {
FOR_TABLE(OTFCC_CHR('h','h','e','a'), table) {
font_file_pointer data = table.data;
uint32_t length = table.length;
if (length < 36) {
logWarning("table 'hhea' corrupted.\n");
} else {
table_hhea *hhea;
NEW(hhea);
hhea->version = read_32s(data);
hhea->ascender = read_16u(data + 4);
hhea->descender = read_16u(data + 6);
hhea->lineGap = read_16u(data + 8);
hhea->advanceWidthMax = read_16u(data + 10);
hhea->minLeftSideBearing = read_16u(data + 12);
hhea->minRightSideBearing = read_16u(data + 14);
hhea->xMaxExtent = read_16u(data + 16);
hhea->caretSlopeRise = read_16u(data + 18);
hhea->caretSlopeRun = read_16u(data + 20);
hhea->caretOffset = read_16u(data + 22);
hhea->reserved[0] = read_16u(data + 24);
hhea->reserved[1] = read_16u(data + 26);
hhea->reserved[2] = read_16u(data + 28);
hhea->reserved[3] = read_16u(data + 30);
hhea->metricDataFormat = read_16u(data + 32);
hhea->numberOfMetrics = read_16u(data + 34);
return hhea;
}
}
return NULL;
}
void otfcc_dumpHhea(const table_hhea *table, json_value *root, const otfcc_Options *options) {
if (!table) return;
loggedStep("hhea") {
json_value *hhea = json_object_new(13);
json_object_push(hhea, "version", json_double_new(otfcc_from_fixed(table->version)));
json_object_push(hhea, "ascender", json_integer_new(table->ascender));
json_object_push(hhea, "descender", json_integer_new(table->descender));
json_object_push(hhea, "lineGap", json_integer_new(table->lineGap));
json_object_push(hhea, "advanceWidthMax", json_integer_new(table->advanceWidthMax));
json_object_push(hhea, "minLeftSideBearing", json_integer_new(table->minLeftSideBearing));
json_object_push(hhea, "minRightSideBearing", json_integer_new(table->minRightSideBearing));
json_object_push(hhea, "xMaxExtent", json_integer_new(table->xMaxExtent));
json_object_push(hhea, "caretSlopeRise", json_integer_new(table->caretSlopeRise));
json_object_push(hhea, "caretSlopeRun", json_integer_new(table->caretSlopeRun));
json_object_push(hhea, "caretOffset", json_integer_new(table->caretOffset));
json_object_push(root, "hhea", hhea);
}
}
table_hhea *otfcc_parseHhea(const json_value *root, const otfcc_Options *options) {
table_hhea *hhea = table_iHhea.create();
json_value *table = NULL;
if ((table = json_obj_get_type(root, "hhea", json_object))) {
loggedStep("hhea") {
hhea->version = otfcc_to_fixed(json_obj_getnum_fallback(table, "version", 0));
hhea->ascender = json_obj_getnum_fallback(table, "ascender", 0);
hhea->descender = json_obj_getnum_fallback(table, "descender", 0);
hhea->lineGap = json_obj_getnum_fallback(table, "lineGap", 0);
hhea->advanceWidthMax = json_obj_getnum_fallback(table, "advanceWidthMax", 0);
hhea->minLeftSideBearing = json_obj_getnum_fallback(table, "minLeftSideBearing", 0);
hhea->minRightSideBearing = json_obj_getnum_fallback(table, "minRightSideBearing", 0);
hhea->xMaxExtent = json_obj_getnum_fallback(table, "xMaxExtent", 0);
hhea->caretSlopeRise = json_obj_getnum_fallback(table, "caretSlopeRise", 0);
hhea->caretSlopeRun = json_obj_getnum_fallback(table, "caretSlopeRun", 0);
hhea->caretOffset = json_obj_getnum_fallback(table, "caretOffset", 0);
}
}
return hhea;
}
caryll_Buffer *otfcc_buildHhea(const table_hhea *hhea, const otfcc_Options *options) {
if (!hhea) return NULL;
caryll_Buffer *buf = bufnew();
bufwrite32b(buf, hhea->version);
bufwrite16b(buf, hhea->ascender);
bufwrite16b(buf, hhea->descender);
bufwrite16b(buf, hhea->lineGap);
bufwrite16b(buf, hhea->advanceWidthMax);
bufwrite16b(buf, hhea->minLeftSideBearing);
bufwrite16b(buf, hhea->minRightSideBearing);
bufwrite16b(buf, hhea->xMaxExtent);
bufwrite16b(buf, hhea->caretSlopeRise);
bufwrite16b(buf, hhea->caretSlopeRun);
bufwrite16b(buf, hhea->caretOffset);
bufwrite16b(buf, hhea->reserved[0]);
bufwrite16b(buf, hhea->reserved[1]);
bufwrite16b(buf, hhea->reserved[2]);
bufwrite16b(buf, hhea->reserved[3]);
bufwrite16b(buf, 0);
bufwrite16b(buf, hhea->numberOfMetrics);
return buf;
}
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