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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/base/resource/resource_data_dll_win.h"
#include <stddef.h>
#include <string_view>
#include "base/check.h"
#include "base/compiler_specific.h"
#include "base/containers/span.h"
#include "base/memory/ref_counted_memory.h"
#include "base/win/resource_util.h"
#include "ui/base/resource/resource_scale_factor.h"
namespace ui {
ResourceDataDLL::ResourceDataDLL(HINSTANCE module) : module_(module) {
DCHECK(module_);
}
ResourceDataDLL::~ResourceDataDLL() {
}
bool ResourceDataDLL::HasResource(uint16_t resource_id) const {
void* data_ptr;
size_t data_size;
return base::win::GetDataResourceFromModule(module_,
resource_id,
&data_ptr,
&data_size);
}
std::optional<std::string_view> ResourceDataDLL::GetStringView(
uint16_t resource_id) const {
void* data_ptr;
size_t data_size;
if (base::win::GetDataResourceFromModule(module_,
resource_id,
&data_ptr,
&data_size)) {
return std::string_view(static_cast<const char*>(data_ptr), data_size);
}
return std::nullopt;
}
base::RefCountedStaticMemory* ResourceDataDLL::GetStaticMemory(
uint16_t resource_id) const {
void* data_ptr;
size_t data_size;
if (base::win::GetDataResourceFromModule(module_, resource_id, &data_ptr,
&data_size)) {
return new base::RefCountedStaticMemory(
UNSAFE_TODO(base::span(static_cast<uint8_t*>(data_ptr), data_size)));
}
return NULL;
}
ResourceHandle::TextEncodingType ResourceDataDLL::GetTextEncodingType() const {
return BINARY;
}
ResourceScaleFactor ResourceDataDLL::GetResourceScaleFactor() const {
return ui::kScaleFactorNone;
}
} // namespace ui
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