Andrew Livy
126 lines
3.3 KiB
C++
126 lines
3.3 KiB
C++
#include "global.h"
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/*
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-----------------------------------------------------------------------------
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File: CroppedSprite.h
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Desc: The song's CroppedSprite displayed in SelectSong.
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Copyright (c) 2001-2002 by the person(s) listed below. All rights reserved.
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-----------------------------------------------------------------------------
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*/
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#include "RageUtil.h"
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#include "CroppedSprite.h"
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#include "PrefsManager.h"
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#include "RageBitmapTexture.h"
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#include <math.h>
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CroppedSprite::CroppedSprite()
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{
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/* By default, crop to the size of the image. */
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m_fCropWidth = m_fCropHeight = -1;
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}
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bool CroppedSprite::Load( RageTextureID ID )
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{
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Sprite::Load( ID );
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CropToSize( m_fCropWidth, m_fCropHeight );
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return true;
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}
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void CroppedSprite::SetWH(float fWidth, float fHeight)
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{
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Sprite::SetWidth(fWidth);
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Sprite::SetHeight(fWidth);
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}
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void CroppedSprite::SetCroppedSize( float fWidth, float fHeight )
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{
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m_fCropWidth = fWidth;
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m_fCropHeight = fHeight;
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}
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void CroppedSprite::CropToSize( float fWidth, float fHeight )
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{
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m_fCropWidth = fWidth;
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m_fCropHeight = fHeight;
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int iSourceWidth = m_pTexture->GetSourceWidth();
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int iSourceHeight = m_pTexture->GetSourceHeight();
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// save the original X&Y. We're going to resore them later.
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float fOriginalX = GetX();
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float fOriginalY = GetY();
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if( iSourceWidth == iSourceHeight ) // this is a SSR/DWI CroppedSprite
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{
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float fCustomImageCoords[8] = {
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0.02f, 0.78f, // top left
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0.22f, 0.98f, // bottom left
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0.98f, 0.22f, // bottom right
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0.78f, 0.02f, // top right
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};
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Sprite::SetCustomImageCoords( fCustomImageCoords );
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if( m_fCropWidth != -1 && m_fCropHeight != -1)
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m_size = RageVector2( m_fCropWidth, m_fCropHeight );
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else
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{
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/* If no crop size is set, then we're only being used to crop diagonal
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* banners so they look like regular ones. We don't actually care about
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* the size of the image, only that it has an aspect ratio of 4:1. */
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m_size = RageVector2(256, 64);
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}
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SetZoom( 1 );
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}
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else if( m_fCropWidth != -1 && m_fCropHeight != -1)
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{
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// this is probably a background graphic or something not intended to be a CroppedSprite
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Sprite::StopUsingCustomCoords();
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// first find the correct zoom
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Sprite::ScaleToCover( RectI(0, 0,
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(int)m_fCropWidth,
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(int)m_fCropHeight )
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);
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// find which dimension is larger
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bool bXDimNeedsToBeCropped = GetZoomedWidth() > m_fCropWidth+0.01;
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if( bXDimNeedsToBeCropped ) // crop X
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{
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float fPercentageToCutOff = (this->GetZoomedWidth() - m_fCropWidth) / this->GetZoomedWidth();
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float fPercentageToCutOffEachSide = fPercentageToCutOff / 2;
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// generate a rectangle with new texture coordinates
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RectF fCustomImageCoords(
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fPercentageToCutOffEachSide,
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0,
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1 - fPercentageToCutOffEachSide,
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1 );
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SetCustomImageRect( fCustomImageCoords );
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}
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else // crop Y
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{
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float fPercentageToCutOff = (this->GetZoomedHeight() - m_fCropHeight) / this->GetZoomedHeight();
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float fPercentageToCutOffEachSide = fPercentageToCutOff / 2;
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// generate a rectangle with new texture coordinates
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RectF fCustomImageCoords(
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0,
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fPercentageToCutOffEachSide,
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1,
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1 - fPercentageToCutOffEachSide );
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SetCustomImageRect( fCustomImageCoords );
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}
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m_size = RageVector2( m_fCropWidth, m_fCropHeight );
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SetZoom( 1 );
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}
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// restore original XY
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SetXY( fOriginalX, fOriginalY );
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}
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