diff options
Diffstat (limited to 'Rotate.c')
| -rw-r--r-- | Rotate.c | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/Rotate.c b/Rotate.c new file mode 100644 index 0000000..b79f803 --- /dev/null +++ b/Rotate.c @@ -0,0 +1,208 @@ +#include <proto/exec.h> +#include <proto/graphics.h> +#include <proto/intuition.h> +#include <proto/mathffp.h> +#include <proto/mathtrans.h> +#include <exec/memory.h> +#include <graphics/gfx.h> + +#include "Bobi.h" +#include "BobStructure.h" +#include "ByteMap.h" +#include "RotateWindow.h" + +#define PI 3.14159265358979323846 + +extern struct MyBob *BobTable[]; +extern struct Screen *mainscreen; +extern struct RastPort *mainrastport; +extern UWORD mainpalette[]; +extern WORD actbobnum,mainx0,mainy0; + +/*************************************************************************/ + +static void RotateBobs(register LONG numframes, register LONG totangle) +{ + struct ByteMap *sbym,*dbym; + register struct BitMap *sbim,*dbim; + register WORD width,height; + register struct MyBob *bob,*sbob=BobTable[actbobnum]; + + + if(sbob->Flags & BOBF_AUTOSIZE) + { + register float wq,hq; + wq = SPFlt(sbob->Width); wq = SPMul(wq,wq); + hq = SPFlt(sbob->Height); hq = SPMul(hq,hq); + width = height = SPFix(SPSqrt(SPAdd(wq,hq)))+1; + } + else + { + width = sbob->Width; height = sbob->Height; + } + + if(sbym=MakeByteMap(width,height)) + { + if(dbym=MakeByteMap(width,height)) + { + if(sbim=BobToBitMap(sbob)) + { + if(dbim=MakeBitMap(width,height,sbob->Depth)) + { + register LONG i; + + BltBitMap(sbim,0,0,dbim,(width-sbob->Width)/2, + (height-sbob->Height)/2,sbob->Width,sbob->Height,0xc0,0xff,0); + BitMapToByteMap(dbim,sbym); + for(i=numframes; i>0; --i) + { + register float winkel; + register LONG si,co; + + winkel = SPMul((float)(totangle*i)/numframes,PI/180.0); + si = SPFix(SPMul(SPSin(winkel),1024.0)); /* 10 Dualstellen */ + co = SPFix(SPMul(SPCos(winkel),1024.0)); + + RotateByteMap(sbym,dbym,width/2,height/2,si,co); + ByteMapToBitMap(dbym,dbim); + + if(bob=BitMapToBob(sbob,dbim,width)) + { + ShowBob(bob); + InsertBob(bob,(WORD)(actbobnum+1)); + } + else + { + ShowMonoReq2("No memory for new bobs,\nrotation cancelled."); + break; + } + } + MyFreeBitMap(dbim); + } + else ShowMonoReq2("Not enough memory for rotate!"); + MyFreeBitMap(sbim); + } + else ShowMonoReq2("Not enough memory for rotate!"); + FreeByteMap(dbym); + } + else ShowMonoReq2("Not enough memory for rotate!"); + FreeByteMap(sbym); + } + else ShowMonoReq2("Not enough memory for rotate!"); +} + +/*************************************************************************/ + +void RotateFunc() +{ + register struct Window *w; + + if(!BobTable[actbobnum]) + { + ShowMonoReq2("Select a bob to rotate!"); + return; + } + + LockWindows(); + NewWindowStructure1.Screen = mainscreen; + if(w=OpenWindow(&NewWindowStructure1)) + { + register WORD flag = 0; + + do + { + register struct IntuiMessage *msg; + + WaitPort(w->UserPort); + msg=(struct IntuiMessage *)GetMsg(w->UserPort); + if(msg->Class == CLOSEWINDOW) + { + flag = -1; + } + else if(msg->Class == GADGETUP) + { + if(msg->IAddress == (APTR)&OKGadget) + { + flag = 1; + } + else if(msg->IAddress == (APTR)&CancelGadget) + { + flag = -1; + } + } + } while(!flag); + CloseWindow(w); + LoadPalette(mainpalette); + + if(flag>0) + { + register LONG i; + register struct MyBob *bob; + + RotateBobs(FramesGadgetSInfo.LongInt,AngleGadgetSInfo.LongInt); + + for(i=1; i<=FramesGadgetSInfo.LongInt; ++i) + { + if(bob=AutoResizeBob(BobTable[actbobnum+i])) + { + FreeBob(BobTable[actbobnum+i]); + BobTable[actbobnum+i] = bob; + ShowBob(bob); + } + else ShowMonoReq2("Rotate:noresize"); + } + } + } + UnLockWindows(); +} + +/*************************************************************************/ + +static void FlipXYBob(BOOL xflag) +{ + register struct MyBob *bob; + register struct BitMap *bim; + struct ByteMap *bym; + register struct MyBob *flippedbob; + + if(bob=BobTable[actbobnum]) + { + if(bim=BobToBitMap(bob)) + { + if(bym=MakeByteMap(bob->Width,bim->Rows)) + { + BitMapToByteMap(bim,bym); + if(xflag) + { + FlipXByteMap(bym); + bob->X0 = bob->Width-bob->X0; + /* if(bob->X0 < 0) bob->X0 = 0; + */ } + else + { + FlipYByteMap(bym); + bob->Y0 = bob->Height-bob->Y0; + /* if(bob->Y0 < 0) bob->Y0 = 0; + */ } + ByteMapToBitMap(bym,bim); + FreeByteMap(bym); + if(flippedbob=BitMapToBob(bob,bim,bob->Width)) + { + FreeBob(bob); + BobTable[actbobnum]=flippedbob; + } + else ShowMonoReq2("No memory to flip bob!"); + } + else ShowMonoReq2("No memory to flip bob!"); + MyFreeBitMap(bim); + } + else ShowMonoReq2("No memory to flip bob!"); + } + else ShowMonoReq2("Select a bob to flip, you fool!"); +} + +/*************************************************************************/ + +void FlipXFunc(void) { FlipXYBob(TRUE); } +void FlipYFunc(void) { FlipXYBob(FALSE); } + |