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// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef PPAPI_CPP_SIZE_H_
#define PPAPI_CPP_SIZE_H_
#include "ppapi/c/pp_size.h"
#include "ppapi/cpp/logging.h"
namespace pp {
class Size {
public:
Size() {
size_.width = 0;
size_.height = 0;
}
Size(const PP_Size& s) { // Implicit.
// Want the >= 0 checking of the setter.
set_width(s.width);
set_height(s.height);
}
Size(int w, int h) {
// Want the >= 0 checking of the setter.
set_width(w);
set_height(h);
}
~Size() {
}
operator PP_Size() {
return size_;
}
const PP_Size& pp_size() const {
return size_;
}
PP_Size& pp_size() {
return size_;
}
int width() const {
return size_.width;
}
void set_width(int w) {
if (w < 0) {
PP_DCHECK(w >= 0);
w = 0;
}
size_.width = w;
}
int height() const {
return size_.height;
}
void set_height(int h) {
if (h < 0) {
PP_DCHECK(h >= 0);
h = 0;
}
size_.height = h;
}
int GetArea() const {
return width() * height();
}
void SetSize(int w, int h) {
set_width(w);
set_height(h);
}
void Enlarge(int w, int h) {
set_width(width() + w);
set_height(height() + h);
}
bool IsEmpty() const {
// Size doesn't allow negative dimensions, so testing for 0 is enough.
return (width() == 0) || (height() == 0);
}
private:
PP_Size size_;
};
} // namespace pp
inline bool operator==(const pp::Size& lhs, const pp::Size& rhs) {
return lhs.width() == rhs.width() && lhs.height() == rhs.height();
}
inline bool operator!=(const pp::Size& lhs, const pp::Size& rhs) {
return !(lhs == rhs);
}
#endif // PPAPI_CPP_SIZE_H_
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