/** ** bb1test.c ---- test the GrBitBlt1bpp routine ** ** Copyright (c) 2001 Josu Onandia ** [e-mail: jonandia@fagorautomation.es]. ** ** This is a test/demo file of the GRX graphics library. ** You can use GRX test/demo files as you want. ** ** The GRX graphics library is free software; you can redistribute it ** and/or modify it under some conditions; see the "copying.grx" file ** for details. ** ** This library is distributed in the hope that it will be useful, ** but WITHOUT ANY WARRANTY; without even the implied warranty of ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. **/ #include #include "mgrx.h" #include "mgrxkeys.h" int main(void) { GrContext *pContext; int sizex = 40; int sizey = 40; int x = 0; int y = 40; GrColor fcolor, bcolor; int k; GrEvent ev; GrSetMode(GR_default_graphics); GrEventInit(); GrMouseDisplayCursor(); /* Create a 1bpp bitmap */ pContext = GrCreateFrameContext(GR_frameRAM1, sizex, sizey, NULL, NULL); /* draw something (black and white) into the bitmap */ GrSetContext(pContext); GrClearContext(GrBlack()); GrLine(0, 0, sizex-1, sizey-1, GrWhite()); GrLine(0, sizey-1, sizex-1, 0, GrWhite()); GrSetContext(NULL); fcolor = GrAllocColor(255, 0, 0); bcolor = GrAllocColor(0, 0, 255); GrTextXY(0, 0, "Type u d l r U D L R to move, 1 2 to change color, q to quit", GrWhite(), GrNOCOLOR); GrSetClipBox(0, 40, GrScreenX(), GrScreenY()); /* Put the bitmap into the screen */ GrBitBlt1bpp(NULL, x, y, pContext, 0, 0, sizex-1, sizey-1, fcolor, bcolor); while (1) { k = '\0'; GrEventWait(&ev); if (ev.type == GREV_KEY) k = ev.p1; if (k == 'q') break; switch (k) { case 'u': y--; break; case 'd': y++; break; case 'l': x--; break; case 'r': x++; break; case 'U': y -= 10; break; case 'D': y += 10; break; case 'L': x -= 10; break; case 'R': x += 10; break; case '1': fcolor = GrAllocColor(255, 0, 0); bcolor = GrAllocColor(0, 0, 255); break; case '2': fcolor = GrAllocColor(0, 255, 255); bcolor = GrAllocColor(255, 255, 0); break; default: continue; } if (x < -40) x = -40; if (x > GrScreenX()) x = GrScreenX(); if (y < 0) y = 0; if (y > GrScreenY()) y = GrScreenY(); GrBitBlt1bpp( NULL, x, y, pContext, 0, 0, sizex-1, sizey-1, fcolor, bcolor); } /* Destroy */ GrDestroyContext(pContext); GrEventUnInit(); GrSetMode(GR_default_text); return 0; }