Sprite.cpp: SwapChains Method

TEXTSprite.cpp: /*************************************************************************/ /** Sprite.cpp: Draw a sprite, SwapChains method. **/ /** (C)2013 nlited systems, Chip Doran **/ /*************************************************************************/ #include <Windows.h> #include <d2d1.h> #include <d2d1_1.h> #include <dwrite.h> #include <wincodec.h> #include <math.h> #include "Util.h" #include "MyD2D.h" #include "Sprite.h" using namespace D2D1; static int SpriteDrawBox(const struct Sprite_s *pBox, ID2D1DeviceContext *pDC); static int SpriteDrawBullet(const struct Sprite_s *pBullet,ID2D1DeviceContext *pDC); static int SpriteDrawBitmap(const struct Sprite_s *pSprite,ID2D1DeviceContext *pDC); /*************************************************************************/ /** Public interface **/ /*************************************************************************/ int SpriteDraw(HD2D hD2D, const struct Sprite_s *pSprite) { int Err= ERR_OK; ID2D1DeviceContext *pDC= MyD2DGetDC(hD2D); Err= SpriteDrawImg(pDC,pSprite); return(Err); } int SpriteDrawImg(ID2D1DeviceContext *pDC, const struct Sprite_s *pSprite) { if(!pDC) return(Warn(ERR_NOINIT,__FUNCTION__": No Renderer!")); pDC->SetTransform(Matrix3x2F::Identity()); pDC->SetTransform(Matrix3x2F::Rotation(pSprite->Rotation,Point2F(pSprite->Pos.x,pSprite->Pos.y))); switch(pSprite->SpriteID) { case SPRITE_BOX: return(SpriteDrawBox(pSprite,pDC)); case SPRITE_BULLET: return(SpriteDrawBullet(pSprite,pDC)); case SPRITE_BITMAP: return(SpriteDrawBitmap(pSprite,pDC)); } return(ERR_NOTFOUND); } static int SpriteDrawBox(const struct Sprite_s *pBox, ID2D1DeviceContext *pDC) { int Wid2= pBox->Size/2; ID2D1SolidColorBrush *pbrBox; D2D_RECT_F rBox(RectF(pBox->Pos.x-Wid2,pBox->Pos.y-Wid2,pBox->Pos.x+Wid2,pBox->Pos.y+Wid2)); pDC->CreateSolidColorBrush(pBox->Color,&pbrBox); pDC->FillRectangle(rBox,pbrBox); pbrBox->Release(); return(ERR_OK); } static int SpriteDrawBullet(const struct Sprite_s *pBullet, ID2D1DeviceContext *pDC) { int Wid2= pBullet->Size/2; ID2D1SolidColorBrush *pbrFill; D2D1_ELLIPSE rDot= Ellipse(pBullet->Pos,(FLOAT)pBullet->Size,(FLOAT)pBullet->Size); pDC->CreateSolidColorBrush(pBullet->Color,&pbrFill); pDC->FillEllipse(rDot,pbrFill); pbrFill->Release(); return(ERR_OK); } static int SpriteDrawBitmap(const struct Sprite_s *pSprite, ID2D1DeviceContext *pDC) { FLOAT Scale; D2D1_SIZE_F SrcDPI; D2D_RECT_F rSrc,rDst; struct Bitmap_s *pBitmap= pSprite->pBitmap; if(pBitmap && pBitmap->pBitmap) { SrcDPI= pBitmap->SizeDPI; rSrc= RectF(0,0,SrcDPI.width,SrcDPI.height); Scale= (FLOAT)pSprite->Size/100.0f; if(pBitmap->FrameCt>0) { SrcDPI.width/= pBitmap->FrameCt; rSrc.right/= pBitmap->FrameCt; if(pSprite->FrameID>0) { rSrc.left+= SrcDPI.width*pSprite->FrameID; rSrc.right+= SrcDPI.width*pSprite->FrameID; } } rDst= RectF(pSprite->Pos.x-(SrcDPI.width*Scale)/2,pSprite->Pos.y-(SrcDPI.height*Scale)/2,pSprite->Pos.x+(SrcDPI.width*Scale)/2,pSprite->Pos.y+(SrcDPI.height*Scale)/2); pDC->DrawBitmap(pBitmap->pBitmap,&rDst,pSprite->Color.a,D2D1_BITMAP_INTERPOLATION_MODE_LINEAR,&rSrc); } return(ERR_OK); }