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#include <SkTypeface.h>
#include <SkPaint.h>
#include <minikin/MinikinFont.h>
#include "MinikinSkia.h"
namespace android {
MinikinFontSkia::MinikinFontSkia(SkTypeface *typeface) :
mTypeface(typeface) {
}
MinikinFontSkia::~MinikinFontSkia() {
SkSafeUnref(mTypeface);
}
static void MinikinFontSkia_SetSkiaPaint(SkTypeface* typeface, SkPaint* skPaint, const MinikinPaint& paint) {
skPaint->setTypeface(typeface);
skPaint->setTextEncoding(SkPaint::kGlyphID_TextEncoding);
// TODO: set more paint parameters from Minikin
skPaint->setTextSize(paint.size);
}
float MinikinFontSkia::GetHorizontalAdvance(uint32_t glyph_id,
const MinikinPaint &paint) const {
SkPaint skPaint;
uint16_t glyph16 = glyph_id;
SkScalar skWidth;
MinikinFontSkia_SetSkiaPaint(mTypeface, &skPaint, paint);
skPaint.getTextWidths(&glyph16, sizeof(glyph16), &skWidth, NULL);
#ifdef VERBOSE
ALOGD("width for typeface %d glyph %d = %f", mTypeface->uniqueID(), glyph_id
#endif
return skWidth;
}
void MinikinFontSkia::GetBounds(MinikinRect* bounds, uint32_t glyph_id,
const MinikinPaint& paint) const {
SkPaint skPaint;
uint16_t glyph16 = glyph_id;
SkRect skBounds;
MinikinFontSkia_SetSkiaPaint(mTypeface, &skPaint, paint);
skPaint.getTextWidths(&glyph16, sizeof(glyph16), NULL, &skBounds);
bounds->mLeft = skBounds.fLeft;
bounds->mTop = skBounds.fTop;
bounds->mRight = skBounds.fRight;
bounds->mBottom = skBounds.fBottom;
}
const void* MinikinFontSkia::GetTable(uint32_t tag, size_t* size, MinikinDestroyFunc* destroy) {
// we don't have a buffer to the font data, copy to own buffer
const size_t tableSize = mTypeface->getTableSize(tag);
*size = tableSize;
if (tableSize == 0) {
return nullptr;
}
void* buf = malloc(tableSize);
if (buf == nullptr) {
return nullptr;
}
mTypeface->getTableData(tag, 0, tableSize, buf);
*destroy = free;
return buf;
}
SkTypeface *MinikinFontSkia::GetSkTypeface() {
return mTypeface;
}
int32_t MinikinFontSkia::GetUniqueId() const {
return mTypeface->uniqueID();
}
}
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