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Graphics 32 bit
- 1. Handling Character Display ingraphics mode Using 32 bit system call ASJAD ALI (p14-6100)
- 2. LIST OF TOICS Write Console GetStdHandle GetConsoleCursorInfo SetConsoleCursorInfo ConsoleScreenBufferInfo GetConsoleScreenBufferInfo SetConsoleScreenBufferSize SetConsoleTitle WriteConsoleOutputAttribute
- 3. TYPE OFBUFFER: INPUT BUFFER: Input Buffer contain queue of inputs record E.g Mouse Click , Keyboard etc SECREEN BUFFER: 2D array of Character and color data affecting appearance of text
- 4. INVOKE WriteConsole, eax, ; console output handle edx, ; string pointer ecx, ; string length ADDR bytesWritten, WriteConsole ( _In_ HANDLE hConsoleOutput, _In_ VOID *lpBuffer, _In_ DWORD nNumberOfCharsToWrite, _Out_ LPDWORD lpNumberOfCharsWritten, );
- 5. GetStdHandle GETthe Control of the Screen Buffer INVOKE GetStdHandle, STD_OUTPUT_HANDLE mov outHandle,eax
- 6. ;INVOKE GetConsoleCursorInfo,outHandle, ; ADDR cursorInfo ;mov eax, cursorInfo.dwSize typedef struct _CONSOLE_CURSOR_INFO { DWORD dwSize; BOOL bVisible; }
- 7. ;mov cursorInfo.bVisible,1 ;mov cursorInfo.dwSize,100 ;INVOKE SetConsoleCursorInfo, outHandle, ; ADDR cursorInfo SetConsoleCursorInfo ( HANDLE hConsoleOutput, CONSOLE_CURSOR_INFO *lpConsoleCursorInfo );
- 8. CONSOLE_SCREEN_BUFFER_INFO { COORD dwSize; COORD dwCursorPosition; WORD wAttributes; SMALL_RECT srWindow; COORD dwMaximumWindowSize; }
- 9. INVOKE GetConsoleScreenBufferInfo, outHandle, ADDR consoleInfo GetConsoleScreenBufferInfo ( HANDLE hConsoleOutput, (input) PCONSOLE_SCREEN_BUFFER_INFO *lpConsoleScreenBufferInfo (Output) );
- 10. mov scrSize.x,80 mov scrSize.y, 25 INVOKE SetConsoleScreenBufferSize, outHandle,scrSize
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- 12. INVOKE WriteConsoleOutputAttribute, outHandle, ADDR attributes, BufSize, xyPos, ADDR cellsWritten WriteConsoleOutputAttribute ( _In_ HANDLE hConsoleOutput, _In_ WORD *lpAttribute, _In_ DWORD nLength, _In_ COORD dwWriteCoord, _Out_ LPDWORD lpNumberOfAttrsWritten );