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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 "base/numerics/safe_conversions.h"
#include "build/build_config.h"
#include "ui/gfx/geometry/insets.h"
#include "ui/gfx/geometry/insets_f.h"
#include "ui/gfx/geometry/point.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 {
#if defined(OS_MAC)
// Returns true if the floating point value is holding an integer, modulo
// floating point error. The value `f` can be safely converted to its integer
// form with base::ClampRound().
static bool IsIntegerInFloat(float f) {
return std::abs(f - base::ClampRound(f)) < 0.01f;
}
#endif
PointF ConvertPointToDips(const Point& point_in_pixels,
float device_scale_factor) {
#if defined(OS_MAC)
// Device scale factor on MacOSX is always an integer.
DCHECK(IsIntegerInFloat(device_scale_factor));
#endif
return ScalePoint(PointF(point_in_pixels), 1.f / device_scale_factor);
}
PointF ConvertPointToDips(const PointF& point_in_pixels,
float device_scale_factor) {
#if defined(OS_MAC)
// Device scale factor on MacOSX is always an integer.
DCHECK(IsIntegerInFloat(device_scale_factor));
#endif
return ScalePoint(point_in_pixels, 1.f / device_scale_factor);
}
PointF ConvertPointToPixels(const Point& point_in_dips,
float device_scale_factor) {
#if defined(OS_MAC)
// Device scale factor on MacOSX is always an integer.
DCHECK(IsIntegerInFloat(device_scale_factor));
#endif
return ScalePoint(PointF(point_in_dips), device_scale_factor);
}
PointF ConvertPointToPixels(const PointF& point_in_dips,
float device_scale_factor) {
#if defined(OS_MAC)
// Device scale factor on MacOSX is always an integer.
DCHECK(IsIntegerInFloat(device_scale_factor));
#endif
return ScalePoint(point_in_dips, device_scale_factor);
}
SizeF ConvertSizeToDips(const Size& size_in_pixels, float device_scale_factor) {
#if defined(OS_MAC)
// Device scale factor on MacOSX is always an integer.
DCHECK(IsIntegerInFloat(device_scale_factor));
#endif
return ScaleSize(SizeF(size_in_pixels), 1.f / device_scale_factor);
}
SizeF ConvertSizeToDips(const SizeF& size_in_pixels,
float device_scale_factor) {
#if defined(OS_MAC)
// Device scale factor on MacOSX is always an integer.
DCHECK(IsIntegerInFloat(device_scale_factor));
#endif
return ScaleSize(size_in_pixels, 1.f / device_scale_factor);
}
SizeF ConvertSizeToPixels(const Size& size_in_dips, float device_scale_factor) {
#if defined(OS_MAC)
// Device scale factor on MacOSX is always an integer.
DCHECK(IsIntegerInFloat(device_scale_factor));
#endif
return ScaleSize(SizeF(size_in_dips), device_scale_factor);
}
SizeF ConvertSizeToPixels(const SizeF& size_in_dips,
float device_scale_factor) {
#if defined(OS_MAC)
// Device scale factor on MacOSX is always an integer.
DCHECK(IsIntegerInFloat(device_scale_factor));
#endif
return ScaleSize(size_in_dips, device_scale_factor);
}
RectF ConvertRectToDips(const Rect& rect_in_pixels, float device_scale_factor) {
#if defined(OS_MAC)
// Device scale factor on MacOSX is always an integer.
DCHECK(IsIntegerInFloat(device_scale_factor));
#endif
return ScaleRect(RectF(rect_in_pixels), 1.f / device_scale_factor);
}
RectF ConvertRectToDips(const RectF& rect_in_pixels,
float device_scale_factor) {
#if defined(OS_MAC)
// Device scale factor on MacOSX is always an integer.
DCHECK(IsIntegerInFloat(device_scale_factor));
#endif
return ScaleRect(rect_in_pixels, 1.f / device_scale_factor);
}
RectF ConvertRectToPixels(const Rect& rect_in_dips, float device_scale_factor) {
#if defined(OS_MAC)
// Device scale factor on MacOSX is always an integer.
DCHECK(IsIntegerInFloat(device_scale_factor));
#endif
return ScaleRect(RectF(rect_in_dips), device_scale_factor);
}
RectF ConvertRectToPixels(const RectF& rect_in_dips,
float device_scale_factor) {
#if defined(OS_MAC)
// Device scale factor on MacOSX is always an integer.
DCHECK(IsIntegerInFloat(device_scale_factor));
#endif
return ScaleRect(rect_in_dips, device_scale_factor);
}
InsetsF ConvertInsetsToDips(const gfx::Insets& insets_in_pixels,
float device_scale_factor) {
#if defined(OS_MAC)
// Device scale factor on MacOSX is always an integer.
DCHECK(IsIntegerInFloat(device_scale_factor));
#endif
return ScaleInsets(InsetsF(insets_in_pixels), 1.f / device_scale_factor);
}
InsetsF ConvertInsetsToDips(const gfx::InsetsF& insets_in_pixels,
float device_scale_factor) {
#if defined(OS_MAC)
// Device scale factor on MacOSX is always an integer.
DCHECK(IsIntegerInFloat(device_scale_factor));
#endif
return ScaleInsets(insets_in_pixels, 1.f / device_scale_factor);
}
InsetsF ConvertInsetsToPixels(const gfx::Insets& insets_in_dips,
float device_scale_factor) {
#if defined(OS_MAC)
// Device scale factor on MacOSX is always an integer.
DCHECK(IsIntegerInFloat(device_scale_factor));
#endif
return ScaleInsets(InsetsF(insets_in_dips), device_scale_factor);
}
InsetsF ConvertInsetsToPixels(const gfx::InsetsF& insets_in_dips,
float device_scale_factor) {
#if defined(OS_MAC)
// Device scale factor on MacOSX is always an integer.
DCHECK(IsIntegerInFloat(device_scale_factor));
#endif
return ScaleInsets(insets_in_dips, device_scale_factor);
}
} // namespace gfx
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