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o3de/Gems/LyShine/Code/Editor/SpriteBorderEditorCommon.cpp

111 lines
2.5 KiB
C++

/*
* Copyright (c) Contributors to the Open 3D Engine Project.
* For complete copyright and license terms please see the LICENSE at the root of this distribution.
*
* SPDX-License-Identifier: Apache-2.0 OR MIT
*
*/
#include "SpriteBorderEditorCommon.h"
bool IsBorderVertical(SpriteBorder border)
{
return ((border == SpriteBorder::Left) ||
(border == SpriteBorder::Right));
}
float GetBorderValueInPixels(ISprite* sprite, SpriteBorder b, float totalSizeInPixels, AZ::u32 cellIndex)
{
// IMPORTANT: We CAN'T replace totalSizeInPixels with
// sprite->GetTexture()->GetWidth()/GetHeight() because
// it DOESN'T return the original texture file's size.
ISprite::Borders sb = sprite->GetCellUvBorders(cellIndex);
float* f = nullptr;
if (b == SpriteBorder::Top)
{
f = &sb.m_top;
}
else if (b == SpriteBorder::Bottom)
{
f = &sb.m_bottom;
}
else if (b == SpriteBorder::Left)
{
f = &sb.m_left;
}
else if (b == SpriteBorder::Right)
{
f = &sb.m_right;
}
else
{
AZ_Assert(false, "Invalid border enum value");
f = nullptr;
}
return (*f * totalSizeInPixels);
}
void SetBorderValue(ISprite* sprite, SpriteBorder b, float pixelPosition, float totalSizeInPixels, AZ::u32 cellIndex)
{
// IMPORTANT: We CAN'T replace totalSizeInPixels with
// sprite->GetTexture()->GetWidth()/GetHeight() because
// it DOESN'T return the original texture file's size.
ISprite::Borders sb = sprite->GetCellUvBorders(cellIndex);
float* f = nullptr;
if (b == SpriteBorder::Top)
{
f = &sb.m_top;
}
else if (b == SpriteBorder::Bottom)
{
f = &sb.m_bottom;
}
else if (b == SpriteBorder::Left)
{
f = &sb.m_left;
}
else if (b == SpriteBorder::Right)
{
f = &sb.m_right;
}
else
{
AZ_Assert(false, "Invalid border enum value");
f = nullptr;
}
*f = AZ::GetMin<float>(pixelPosition / totalSizeInPixels, 1.0f);
sprite->SetCellBorders(cellIndex, sb);
}
const char* SpriteBorderToString(SpriteBorder b)
{
if (b == SpriteBorder::Top)
{
return "Top";
}
else if (b == SpriteBorder::Bottom)
{
return "Bottom";
}
else if (b == SpriteBorder::Left)
{
return "Left";
}
else if (b == SpriteBorder::Right)
{
return "Right";
}
else
{
AZ_Assert(false, "Invalid border enum value");
return "UNKNOWN";
}
}