mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-12-03 02:25:34 +00:00
26c8790fb2
--HG-- extra : commitid : 7Sm7XcTb8Do extra : rebase_source : c10ad90f03b90eb34349edc80be110b90cc2a663
115 lines
3.0 KiB
C++
115 lines
3.0 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
* vim: sw=2 ts=8 et :
|
|
*/
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
|
|
* You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#include "mozilla/WidgetUtils.h"
|
|
#ifdef XP_WIN
|
|
#include "WinUtils.h"
|
|
#endif
|
|
#if MOZ_WIDGET_GTK == 3
|
|
#include "mozilla/WidgetUtilsGtk.h"
|
|
#endif
|
|
|
|
namespace mozilla {
|
|
|
|
gfx::Matrix
|
|
ComputeTransformForRotation(const nsIntRect& aBounds,
|
|
ScreenRotation aRotation)
|
|
{
|
|
gfx::Matrix transform;
|
|
static const gfx::Float floatPi = static_cast<gfx::Float>(M_PI);
|
|
|
|
switch (aRotation) {
|
|
case ROTATION_0:
|
|
break;
|
|
case ROTATION_90:
|
|
transform.PreTranslate(aBounds.width, 0);
|
|
transform.PreRotate(floatPi / 2);
|
|
break;
|
|
case ROTATION_180:
|
|
transform.PreTranslate(aBounds.width, aBounds.height);
|
|
transform.PreRotate(floatPi);
|
|
break;
|
|
case ROTATION_270:
|
|
transform.PreTranslate(0, aBounds.height);
|
|
transform.PreRotate(floatPi * 3 / 2);
|
|
break;
|
|
default:
|
|
MOZ_CRASH("Unknown rotation");
|
|
}
|
|
return transform;
|
|
}
|
|
|
|
gfx::Matrix
|
|
ComputeTransformForUnRotation(const nsIntRect& aBounds,
|
|
ScreenRotation aRotation)
|
|
{
|
|
gfx::Matrix transform;
|
|
static const gfx::Float floatPi = static_cast<gfx::Float>(M_PI);
|
|
|
|
switch (aRotation) {
|
|
case ROTATION_0:
|
|
break;
|
|
case ROTATION_90:
|
|
transform.PreTranslate(0, aBounds.height);
|
|
transform.PreRotate(floatPi * 3 / 2);
|
|
break;
|
|
case ROTATION_180:
|
|
transform.PreTranslate(aBounds.width, aBounds.height);
|
|
transform.PreRotate(floatPi);
|
|
break;
|
|
case ROTATION_270:
|
|
transform.PreTranslate(aBounds.width, 0);
|
|
transform.PreRotate(floatPi / 2);
|
|
break;
|
|
default:
|
|
MOZ_CRASH("Unknown rotation");
|
|
}
|
|
return transform;
|
|
}
|
|
|
|
nsIntRect RotateRect(nsIntRect aRect,
|
|
const nsIntRect& aBounds,
|
|
ScreenRotation aRotation)
|
|
{
|
|
switch (aRotation) {
|
|
case ROTATION_0:
|
|
return aRect;
|
|
case ROTATION_90:
|
|
return nsIntRect(aRect.y,
|
|
aBounds.width - aRect.x - aRect.width,
|
|
aRect.height, aRect.width);
|
|
case ROTATION_180:
|
|
return nsIntRect(aBounds.width - aRect.x - aRect.width,
|
|
aBounds.height - aRect.y - aRect.height,
|
|
aRect.width, aRect.height);
|
|
case ROTATION_270:
|
|
return nsIntRect(aBounds.height - aRect.y - aRect.height,
|
|
aRect.x,
|
|
aRect.height, aRect.width);
|
|
default:
|
|
MOZ_CRASH("Unknown rotation");
|
|
return aRect;
|
|
}
|
|
}
|
|
|
|
namespace widget {
|
|
|
|
uint32_t
|
|
WidgetUtils::IsTouchDeviceSupportPresent()
|
|
{
|
|
#ifdef XP_WIN
|
|
return WinUtils::IsTouchDeviceSupportPresent();
|
|
#elif MOZ_WIDGET_GTK == 3
|
|
return WidgetUtilsGTK::IsTouchDeviceSupportPresent();
|
|
#else
|
|
return 0;
|
|
#endif
|
|
}
|
|
|
|
} // namespace widget
|
|
} // namespace mozilla
|