00001
00011 #ifndef MEMORY_DRAWENV_H
00012 #define MEMORY_DRAWENV_H
00013
00014 #include <basic.h>
00015 #include <memory>
00016
00018
00021 class MemoryDrawEnv {
00022
00023 private:
00024
00025 CSPEC cspec;
00026 B bitmap_entity[sizeof(BMP)+sizeof(UB*)*28];
00027 BMP* bmp;
00028 PAT pat;
00029 mutable GID gid;
00030
00032 void getCSPEC();
00033
00035 void createBitmap();
00036
00038 void releaseBitmap() throw();
00039
00040 public:
00041
00043 MemoryDrawEnv() : gid(-1), bmp(reinterpret_cast<BMP*>(bitmap_entity)) {
00044 bmp->baseaddr[0] = 0;
00045 setrect(bmp->bounds, 0, 0, SCREEN.hpixels, SCREEN.vpixels);
00046 bmp->planes = SCREEN.planes;
00047 bmp->pixbits = SCREEN.pixbits;
00048 pat.spat.kind = 0;
00049 pat.spat.vsize = pat.spat.hsize = 1;
00050 pat.spat.fgcol = 0x10ffffff;
00051 pat.spat.bgcol = 0x10000000;
00052 pat.spat.mask = FILL100;
00053 getCSPEC();
00054 createBitmap();
00055 clear();
00056 }
00057
00059 ~MemoryDrawEnv() {
00060 if (gid > 0){
00061 gcls_env(gid);
00062 }
00063 releaseBitmap();
00064 }
00065
00067
00071 void setPos(const PNT& p) {
00072 bmp->bounds.p.lefttop = p;
00073 bmp->bounds.c.right = bmp->bounds.c.left + SCREEN.hpixels;
00074 bmp->bounds.c.bottom = bmp->bounds.c.top + SCREEN.vpixels;
00075 if (gid > 0){
00076 gcls_env(gid);
00077 }
00078 gid = -1;
00079 }
00080
00082
00086 const PNT& getPos() const {
00087 return bmp->bounds.p.lefttop;
00088 }
00089
00091
00094 void clear() {
00095 gfil_rec(getGID(), bmp->bounds, &pat, 0, G_STORE);
00096 }
00097
00099
00104 GID getGID() const;
00105
00107
00111 const BMP* getBMP() const {
00112 return bmp;
00113 }
00114
00115 };
00116
00117 #endif // MEMORY_DRAWENV_H
