minui: Add GRSurface::Clone().
Clone() allows duplicating the image that's stored in the GRSurface.
Test: Run recovery_unit_test.
Change-Id: Ia50d507c6200f2de5f17143775de805247a60e1f
diff --git a/minui/resources.cpp b/minui/resources.cpp
index 9c9af02..9027bc6 100644
--- a/minui/resources.cpp
+++ b/minui/resources.cpp
@@ -44,13 +44,19 @@
static constexpr size_t kSurfaceDataAlignment = 8;
// Cannot use std::make_unique to access non-public ctor.
auto result = std::unique_ptr<GRSurface>(new GRSurface(width, height, row_bytes, pixel_bytes));
- size_t aligned_size =
+ result->data_size_ =
(data_size + kSurfaceDataAlignment - 1) / kSurfaceDataAlignment * kSurfaceDataAlignment;
- result->data_ = static_cast<uint8_t*>(aligned_alloc(kSurfaceDataAlignment, aligned_size));
+ result->data_ = static_cast<uint8_t*>(aligned_alloc(kSurfaceDataAlignment, result->data_size_));
if (result->data_ == nullptr) return nullptr;
return result;
}
+std::unique_ptr<GRSurface> GRSurface::Clone() const {
+ auto result = GRSurface::Create(width, height, row_bytes, pixel_bytes, data_size_);
+ memcpy(result->data_, data_, data_size_);
+ return result;
+}
+
GRSurface::~GRSurface() {
if (data_ != nullptr) {
free(data_);