00001
00011 #ifndef MEMORY_DRAWENV_H
00012 #define MEMORY_DRAWENV_H
00013
00014 #include <basic.h>
00015
00017
00020 class MemoryDrawEnv {
00021
00022 private:
00023
00024 CSPEC cspec;
00025 B bitmap_entity[sizeof(BMP)+sizeof(UB*)*28];
00026 BMP* bmp;
00027 PAT pat;
00028 mutable GID gid;
00029
00031 void getCSPEC();
00032
00034 void createBitmap();
00035
00037 void releaseBitmap() throw();
00038
00039 public:
00040
00042 MemoryDrawEnv() : bmp(reinterpret_cast<BMP*>(bitmap_entity)), gid(-1) {
00043 bmp->baseaddr[0] = 0;
00044 setrect(bmp->bounds, 0, 0, SCREEN.hpixels, SCREEN.vpixels);
00045 bmp->planes = SCREEN.planes;
00046 bmp->pixbits = SCREEN.pixbits;
00047 pat.spat.kind = 0;
00048 pat.spat.vsize = pat.spat.hsize = 1;
00049 pat.spat.fgcol = 0x10ffffff;
00050 pat.spat.bgcol = 0x10000000;
00051 pat.spat.mask = FILL100;
00052 getCSPEC();
00053 createBitmap();
00054 clear();
00055 }
00056
00058 ~MemoryDrawEnv() {
00059 if (gid > 0){
00060 gcls_env(gid);
00061 }
00062 releaseBitmap();
00063 }
00064
00066
00070 void setPos(const PNT& p) {
00071 bmp->bounds.p.lefttop = p;
00072 bmp->bounds.c.right = bmp->bounds.c.left + SCREEN.hpixels;
00073 bmp->bounds.c.bottom = bmp->bounds.c.top + SCREEN.vpixels;
00074 if (gid > 0){
00075 gcls_env(gid);
00076 }
00077 gid = -1;
00078 }
00079
00081
00085 const PNT& getPos() const {
00086 return bmp->bounds.p.lefttop;
00087 }
00088
00090
00093 void clear() {
00094 gfil_rec(getGID(), bmp->bounds, &pat, 0, G_STORE);
00095 }
00096
00098
00103 GID getGID() const;
00104
00106
00110 const BMP* getBMP() const {
00111 return bmp;
00112 }
00113
00114 };
00115
00116 #endif // MEMORY_DRAWENV_H
