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// Copyright 2014 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.
#include "ui/gfx/geometry/dip_util.h"
#include "ui/gfx/geometry/insets.h"
#include "ui/gfx/geometry/point.h"
#include "ui/gfx/geometry/point_conversions.h"
#include "ui/gfx/geometry/point_f.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/geometry/rect_conversions.h"
#include "ui/gfx/geometry/size.h"
#include "ui/gfx/geometry/size_conversions.h"
namespace gfx {
Insets ConvertInsetsToDIP(float scale_factor,
const gfx::Insets& insets_in_pixel) {
if (scale_factor == 1.f)
return insets_in_pixel;
return insets_in_pixel.Scale(1.f / scale_factor);
}
Point ConvertPointToDIP(float scale_factor, const Point& point_in_pixel) {
if (scale_factor == 1.f)
return point_in_pixel;
return ScaleToFlooredPoint(point_in_pixel, 1.f / scale_factor);
}
PointF ConvertPointToDIP(float scale_factor, const PointF& point_in_pixel) {
if (scale_factor == 1.f)
return point_in_pixel;
return ScalePoint(point_in_pixel, 1.f / scale_factor);
}
Size ConvertSizeToDIP(float scale_factor, const Size& size_in_pixel) {
if (scale_factor == 1.f)
return size_in_pixel;
return ScaleToFlooredSize(size_in_pixel, 1.f / scale_factor);
}
Rect ConvertRectToDIP(float scale_factor, const Rect& rect_in_pixel) {
if (scale_factor == 1.f)
return rect_in_pixel;
return ToFlooredRectDeprecated(
ScaleRect(RectF(rect_in_pixel), 1.f / scale_factor));
}
Insets ConvertInsetsToPixel(float scale_factor,
const gfx::Insets& insets_in_dip) {
if (scale_factor == 1.f)
return insets_in_dip;
return insets_in_dip.Scale(scale_factor);
}
Point ConvertPointToPixel(float scale_factor, const Point& point_in_dip) {
if (scale_factor == 1.f)
return point_in_dip;
return ScaleToFlooredPoint(point_in_dip, scale_factor);
}
PointF ConvertPointToPixel(float scale_factor, const PointF& point_in_dip) {
if (scale_factor == 1.f)
return point_in_dip;
return ScalePoint(point_in_dip, scale_factor);
}
Size ConvertSizeToPixel(float scale_factor, const Size& size_in_dip) {
if (scale_factor == 1.f)
return size_in_dip;
return ScaleToFlooredSize(size_in_dip, scale_factor);
}
Rect ConvertRectToPixel(float scale_factor, const Rect& rect_in_dip) {
// Use ToEnclosingRect() to ensure we paint all the possible pixels
// touched. ToEnclosingRect() floors the origin, and ceils the max
// coordinate. To do otherwise (such as flooring the size) potentially
// results in rounding down and not drawing all the pixels that are
// touched.
if (scale_factor == 1.f)
return rect_in_dip;
return ToEnclosingRect(
RectF(ScalePoint(gfx::PointF(rect_in_dip.origin()), scale_factor),
ScaleSize(gfx::SizeF(rect_in_dip.size()), scale_factor)));
}
} // namespace gfx
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