diff options
Diffstat (limited to 'smelt/sdl/CxImage/ximaiter.h')
| -rw-r--r-- | smelt/sdl/CxImage/ximaiter.h | 253 |
1 files changed, 0 insertions, 253 deletions
diff --git a/smelt/sdl/CxImage/ximaiter.h b/smelt/sdl/CxImage/ximaiter.h deleted file mode 100644 index 2371d28..0000000 --- a/smelt/sdl/CxImage/ximaiter.h +++ /dev/null @@ -1,253 +0,0 @@ -/*
- * File: ImaIter.h
- * Purpose: Declaration of the Platform Independent Image Base Class
- * Author: Alejandro Aguilar Sierra
- * Created: 1995
- * Copyright: (c) 1995, Alejandro Aguilar Sierra <asierra(at)servidor(dot)unam(dot)mx>
- *
- * 07/08/2001 Davide Pizzolato - www.xdp.it
- * - removed slow loops
- * - added safe checks
- *
- * Permission is given by the author to freely redistribute and include
- * this code in any program as int32_t as this credit is given where due.
- *
- * COVERED CODE IS PROVIDED UNDER THIS LICENSE ON AN "AS IS" BASIS, WITHOUT WARRANTY
- * OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION, WARRANTIES
- * THAT THE COVERED CODE IS FREE OF DEFECTS, MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE
- * OR NON-INFRINGING. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE COVERED
- * CODE IS WITH YOU. SHOULD ANY COVERED CODE PROVE DEFECTIVE IN ANY RESPECT, YOU (NOT
- * THE INITIAL DEVELOPER OR ANY OTHER CONTRIBUTOR) ASSUME THE COST OF ANY NECESSARY
- * SERVICING, REPAIR OR CORRECTION. THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL
- * PART OF THIS LICENSE. NO USE OF ANY COVERED CODE IS AUTHORIZED HEREUNDER EXCEPT UNDER
- * THIS DISCLAIMER.
- *
- * Use at your own risk!
- * ==========================================================
- */
-
-#if !defined(__ImaIter_h)
-#define __ImaIter_h
-
-#include "ximage.h"
-#include "ximadef.h"
-
-class CImageIterator
-{
-friend class CxImage;
-protected:
- int32_t Itx, Ity; // Counters
- int32_t Stepx, Stepy;
- uint8_t* IterImage; // Image pointer
- CxImage *ima;
-public:
- // Constructors
- CImageIterator ( void );
- CImageIterator ( CxImage *image );
- operator CxImage* ();
-
- // Iterators
- BOOL ItOK ();
- void Reset ();
- void Upset ();
- void SetRow(uint8_t *buf, int32_t n);
- void GetRow(uint8_t *buf, int32_t n);
- uint8_t GetByte( ) { return IterImage[Itx]; }
- void SetByte(uint8_t b) { IterImage[Itx] = b; }
- uint8_t* GetRow(void);
- uint8_t* GetRow(int32_t n);
- BOOL NextRow();
- BOOL PrevRow();
- BOOL NextByte();
- BOOL PrevByte();
-
- void SetSteps(int32_t x, int32_t y=0) { Stepx = x; Stepy = y; }
- void GetSteps(int32_t *x, int32_t *y) { *x = Stepx; *y = Stepy; }
- BOOL NextStep();
- BOOL PrevStep();
-
- void SetY(int32_t y); /* AD - for interlace */
- int32_t GetY() {return Ity;}
- BOOL GetCol(uint8_t* pCol, uint32_t x);
- BOOL SetCol(uint8_t* pCol, uint32_t x);
-};
-
-/////////////////////////////////////////////////////////////////////
-inline
-CImageIterator::CImageIterator(void)
-{
- ima = 0;
- IterImage = 0;
- Itx = Ity = 0;
- Stepx = Stepy = 0;
-}
-/////////////////////////////////////////////////////////////////////
-inline
-CImageIterator::CImageIterator(CxImage *imageImpl): ima(imageImpl)
-{
- if (ima) IterImage = ima->GetBits();
- Itx = Ity = 0;
- Stepx = Stepy = 0;
-}
-/////////////////////////////////////////////////////////////////////
-inline
-CImageIterator::operator CxImage* ()
-{
- return ima;
-}
-/////////////////////////////////////////////////////////////////////
-inline BOOL CImageIterator::ItOK ()
-{
- if (ima) return ima->IsInside(Itx, Ity);
- else return FALSE;
-}
-/////////////////////////////////////////////////////////////////////
-inline void CImageIterator::Reset()
-{
- if (ima) IterImage = ima->GetBits();
- else IterImage=0;
- Itx = Ity = 0;
-}
-/////////////////////////////////////////////////////////////////////
-inline void CImageIterator::Upset()
-{
- Itx = 0;
- Ity = ima->GetHeight()-1;
- IterImage = ima->GetBits() + ima->GetEffWidth()*(ima->GetHeight()-1);
-}
-/////////////////////////////////////////////////////////////////////
-inline BOOL CImageIterator::NextRow()
-{
- if (++Ity >= (int32_t)ima->GetHeight()) return 0;
- IterImage += ima->GetEffWidth();
- return 1;
-}
-/////////////////////////////////////////////////////////////////////
-inline BOOL CImageIterator::PrevRow()
-{
- if (--Ity < 0) return 0;
- IterImage -= ima->GetEffWidth();
- return 1;
-}
-/* AD - for interlace */
-inline void CImageIterator::SetY(int32_t y)
-{
- if ((y < 0) || (y > (int32_t)ima->GetHeight())) return;
- Ity = y;
- IterImage = ima->GetBits() + ima->GetEffWidth()*y;
-}
-/////////////////////////////////////////////////////////////////////
-inline void CImageIterator::SetRow(uint8_t *buf, int32_t n)
-{
- if (n<0) n = (int32_t)ima->GetEffWidth();
- else n = min(n,(int32_t)ima->GetEffWidth());
-
- if ((IterImage!=NULL)&&(buf!=NULL)&&(n>0)) memcpy(IterImage,buf,n);
-}
-/////////////////////////////////////////////////////////////////////
-inline void CImageIterator::GetRow(uint8_t *buf, int32_t n)
-{
- if ((IterImage!=NULL)&&(buf!=NULL)&&(n>0))
- memcpy(buf,IterImage,min(n,(int32_t)ima->GetEffWidth()));
-}
-/////////////////////////////////////////////////////////////////////
-inline uint8_t* CImageIterator::GetRow()
-{
- return IterImage;
-}
-/////////////////////////////////////////////////////////////////////
-inline uint8_t* CImageIterator::GetRow(int32_t n)
-{
- SetY(n);
- return IterImage;
-}
-/////////////////////////////////////////////////////////////////////
-inline BOOL CImageIterator::NextByte()
-{
- if (++Itx < (int32_t)ima->GetEffWidth()) return 1;
- else
- if (++Ity < (int32_t)ima->GetHeight()){
- IterImage += ima->GetEffWidth();
- Itx = 0;
- return 1;
- } else
- return 0;
-}
-/////////////////////////////////////////////////////////////////////
-inline BOOL CImageIterator::PrevByte()
-{
- if (--Itx >= 0) return 1;
- else
- if (--Ity >= 0){
- IterImage -= ima->GetEffWidth();
- Itx = 0;
- return 1;
- } else
- return 0;
-}
-/////////////////////////////////////////////////////////////////////
-inline BOOL CImageIterator::NextStep()
-{
- Itx += Stepx;
- if (Itx < (int32_t)ima->GetEffWidth()) return 1;
- else {
- Ity += Stepy;
- if (Ity < (int32_t)ima->GetHeight()){
- IterImage += ima->GetEffWidth();
- Itx = 0;
- return 1;
- } else
- return 0;
- }
-}
-/////////////////////////////////////////////////////////////////////
-inline BOOL CImageIterator::PrevStep()
-{
- Itx -= Stepx;
- if (Itx >= 0) return 1;
- else {
- Ity -= Stepy;
- if (Ity >= 0 && Ity < (int32_t)ima->GetHeight()) {
- IterImage -= ima->GetEffWidth();
- Itx = 0;
- return 1;
- } else
- return 0;
- }
-}
-/////////////////////////////////////////////////////////////////////
-inline BOOL CImageIterator::GetCol(uint8_t* pCol, uint32_t x)
-{
- if ((pCol==0)||(ima->GetBpp()<8)||(x>=ima->GetWidth()))
- return 0;
- uint32_t h = ima->GetHeight();
- //uint32_t line = ima->GetEffWidth();
- uint8_t bytes = (uint8_t)(ima->GetBpp()>>3);
- uint8_t* pSrc;
- for (uint32_t y=0;y<h;y++){
- pSrc = ima->GetBits(y) + x*bytes;
- for (uint8_t w=0;w<bytes;w++){
- *pCol++=*pSrc++;
- }
- }
- return 1;
-}
-/////////////////////////////////////////////////////////////////////
-inline BOOL CImageIterator::SetCol(uint8_t* pCol, uint32_t x)
-{
- if ((pCol==0)||(ima->GetBpp()<8)||(x>=ima->GetWidth()))
- return 0;
- uint32_t h = ima->GetHeight();
- //uint32_t line = ima->GetEffWidth();
- uint8_t bytes = (uint8_t)(ima->GetBpp()>>3);
- uint8_t* pSrc;
- for (uint32_t y=0;y<h;y++){
- pSrc = ima->GetBits(y) + x*bytes;
- for (uint8_t w=0;w<bytes;w++){
- *pSrc++=*pCol++;
- }
- }
- return 1;
-}
-/////////////////////////////////////////////////////////////////////
-#endif
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