blob: 7b3cf1479e0c6e6f9e78b7632cfb3e7503dc0433 [file] [log] [blame]
* Copyright 2021 Google LLC
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
#include "include/private/chromium/Slug.h"
#include "include/core/SkCanvas.h"
#include "src/core/SkReadBuffer.h"
#include "src/core/SkWriteBuffer.h"
#include <atomic>
namespace sktext::gpu {
class Slug;
sk_sp<Slug> SkMakeSlugFromBuffer(SkReadBuffer& buffer, const SkStrikeClient* client);
sk_sp<Slug> Slug::ConvertBlob(
SkCanvas* canvas, const SkTextBlob& blob, SkPoint origin, const SkPaint& paint) {
return canvas->convertBlobToSlug(blob, origin, paint);
sk_sp<SkData> Slug::serialize() const {
SkBinaryWriteBuffer buffer;
return buffer.snapshotAsData();
size_t Slug::serialize(void* buffer, size_t size) const {
SkBinaryWriteBuffer writeBuffer{buffer, size};
// If we overflow the given buffer, then SkWriteBuffer allocates a new larger buffer. Check
// to see if an additional buffer was allocated, if it wasn't then everything fit, else
// return 0 signaling the buffer overflowed.
// N.B. This is the idiom from SkTextBlob.
return writeBuffer.usingInitialStorage() ? writeBuffer.bytesWritten() : 0u;
sk_sp<Slug> Slug::MakeFromBuffer(SkReadBuffer& buffer) {
return SkMakeSlugFromBuffer(buffer, nullptr);
sk_sp<Slug> Slug::Deserialize(const void* data, size_t size, const SkStrikeClient* client) {
SkReadBuffer buffer{data, size};
return SkMakeSlugFromBuffer(buffer, client);
void Slug::draw(SkCanvas* canvas) const {
uint32_t Slug::NextUniqueID() {
static std::atomic<uint32_t> nextUnique = 1;
return nextUnique++;
// Most of Slug's implementation is in TextBlob.cpp to share common code.
} // namespace sktext::gpu