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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 BUILDFLAG(IS_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 BUILDFLAG(IS_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 BUILDFLAG(IS_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 BUILDFLAG(IS_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 BUILDFLAG(IS_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 BUILDFLAG(IS_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 BUILDFLAG(IS_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 BUILDFLAG(IS_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 BUILDFLAG(IS_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 BUILDFLAG(IS_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 BUILDFLAG(IS_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 BUILDFLAG(IS_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 BUILDFLAG(IS_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 BUILDFLAG(IS_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 BUILDFLAG(IS_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 BUILDFLAG(IS_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 BUILDFLAG(IS_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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