Add API for SkTextBlob serialization into caller's memory.
R=reed@google.com
Change-Id: Iaeb67504aabf0dc036e81fa23c1a3c949b72b2b9
Reviewed-on: https://skia-review.googlesource.com/114262
Commit-Queue: Khusal Sagar <khushalsagar@chromium.org>
Reviewed-by: Mike Klein <mtklein@google.com>
Reviewed-by: Mike Reed <reed@google.com>
diff --git a/tests/SerializationTest.cpp b/tests/SerializationTest.cpp
index da79739..c6d529b 100644
--- a/tests/SerializationTest.cpp
+++ b/tests/SerializationTest.cpp
@@ -8,6 +8,7 @@
#include "Resources.h"
#include "SkAnnotationKeys.h"
#include "SkCanvas.h"
+#include "SkDashPathEffect.h"
#include "SkFixed.h"
#include "SkFontDescriptor.h"
#include "SkImage.h"
@@ -21,6 +22,7 @@
#include "SkShaderBase.h"
#include "SkTableColorFilter.h"
#include "SkTemplates.h"
+#include "SkTextBlob.h"
#include "SkTypeface.h"
#include "SkWriteBuffer.h"
#include "SkXfermodeImageFilter.h"
@@ -666,3 +668,45 @@
REPORTER_ASSERT(reporter, !writer.usingInitialStorage()); // this is the change
REPORTER_ASSERT(reporter, writer.bytesWritten() == kSize);
}
+
+DEF_TEST(WriteBuffer_external_memory_textblob, reporter) {
+ SkPaint font;
+ font.setTextEncoding(SkPaint::kGlyphID_TextEncoding);
+ font.setTypeface(SkTypeface::MakeDefault());
+
+ SkTextBlobBuilder builder;
+ int glyph_count = 5;
+ const auto& run = builder.allocRun(font, glyph_count, 1.2f, 2.3f);
+ // allocRun() allocates only the glyph buffer.
+ std::fill(run.glyphs, run.glyphs + glyph_count, 0);
+ auto blob = builder.make();
+ SkSerialProcs procs;
+ SkAutoTMalloc<uint8_t> storage;
+ size_t blob_size = 0u;
+ size_t storage_size = 0u;
+
+ blob_size = SkAlign4(blob->serialize(procs)->size());
+ REPORTER_ASSERT(reporter, blob_size > 4u);
+ storage_size = blob_size - 4;
+ storage.realloc(storage_size);
+ REPORTER_ASSERT(reporter, blob->serialize(procs, storage.get(), storage_size) == 0u);
+ storage_size = blob_size;
+ storage.realloc(storage_size);
+ REPORTER_ASSERT(reporter, blob->serialize(procs, storage.get(), storage_size) != 0u);
+}
+
+DEF_TEST(WriteBuffer_external_memory_flattenable, reporter) {
+ SkScalar intervals[] = {1.f, 1.f};
+ auto path_effect = SkDashPathEffect::Make(intervals, 2, 0);
+ size_t path_size = SkAlign4(path_effect->serialize()->size());
+ REPORTER_ASSERT(reporter, path_size > 4u);
+ SkAutoTMalloc<uint8_t> storage;
+
+ size_t storage_size = path_size - 4;
+ storage.realloc(storage_size);
+ REPORTER_ASSERT(reporter, path_effect->serialize(storage.get(), storage_size) == 0u);
+
+ storage_size = path_size;
+ storage.realloc(storage_size);
+ REPORTER_ASSERT(reporter, path_effect->serialize(storage.get(), storage_size) != 0u);
+}