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Console.c
219 lines (184 loc) · 5.99 KB
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Console.c
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#include "Console.h"
/*-----------------------------------------------------------------------------
Console: Static Numbers
---------------------------------------------------------------------------*/
enum {
NUM_MAX_STR_STACK = 100, /* ConsolePushStrStack で使うスタックの最大要素数 */
NUM_MAX_STR = 64, /* 文字列最大要素数 */
};
/*-----------------------------------------------------------------------------
Console: Static Variables
---------------------------------------------------------------------------*/
static HANDLE m_hStdOut;
static int m_hScreenIndex;
static HANDLE m_hScreen[NUM_SCREEN_MAX];
static HANDLE m_hWork;
static HANDLE m_hOut;
static char m_strStack[NUM_MAX_STR_STACK][NUM_MAX_STR];
static int m_strStackTop = 0;
/*-----------------------------------------------------------------------------
Console: Prototype Static Function
---------------------------------------------------------------------------*/
static void SetWindowSize(HANDLE hOut, int height, int width);
/*-----------------------------------------------------------------------------
Console: Extern Functions
---------------------------------------------------------------------------*/
extern void ConsoleFillRect( int top, int left, int bottom, int right, int fgColor, int bgColor, const char* str)
{
ConsoleSetColor( fgColor, bgColor );
for (int i=top; i<bottom; ++i)
{
ConsoleSetCursor( i, 0 );
for (int j=left; j<right; ++j)
{
ConsolePrint(str);
}
}
}
extern void ConsoleInit(void)
{
CONSOLE_CURSOR_INFO cci;
int i;
/* コンソール標準出力画面のハンドルを取得。プログラム終了時にアクティブ化 */
m_hStdOut = GetStdHandle(STD_OUTPUT_HANDLE);
if (m_hStdOut == INVALID_HANDLE_VALUE)
{
fprintf(stderr, "error: Console: InitConsole: hStdOut: %ld\n", GetLastError());
}
/* コンソールスクリーンの作成と初期化 */
for (i=0; i<NUM_SCREEN_MAX; i++)
{
m_hScreen[i] = CreateConsoleScreenBuffer(
GENERIC_READ | GENERIC_WRITE,
0,
NULL,
CONSOLE_TEXTMODE_BUFFER,
NULL
);
if (m_hScreen[i] == INVALID_HANDLE_VALUE)
{
fprintf(stderr, "error: Console: InitConsole: %ld\n", GetLastError());
}
/* カーソル情報の初期化 */
GetConsoleCursorInfo(m_hScreen[i], &cci);
cci.bVisible = FALSE;// カーソルの非表示
SetConsoleCursorInfo(m_hScreen[i], &cci);
/* ウィンドウサイズの初期化 */
SetWindowSize(m_hScreen[i], NUM_WINDOW_HEIGHT, NUM_WINDOW_WIDTH);
/* コンソールモードの初期化 */
SetConsoleMode(m_hScreen[i], ENABLE_PROCESSED_OUTPUT);
}
m_hScreenIndex = 0;
m_hOut = m_hScreen[1];
m_hWork = m_hScreen[0];
SetConsoleActiveScreenBuffer(m_hOut);// 出力スクリーンをアクティブ化
}
extern void ConsoleClose(void)
{
int i;
for (i=0; i<NUM_SCREEN_MAX; i++)
{
CloseHandle(m_hScreen[i]);
m_hScreen[i] = NULL;
}
m_hOut = m_hWork = NULL;
SetConsoleActiveScreenBuffer(m_hStdOut);
CloseHandle(m_hStdOut);
m_hStdOut = NULL;
}
extern void ConsoleFlip(void)
{
m_hOut = m_hWork;// 仕事を終えたハンドルを、表示用のハンドルに
m_hScreenIndex = (m_hScreenIndex + 1) % NUM_SCREEN_MAX;// スクリーンインデックスを進める
m_hWork = m_hScreen[m_hScreenIndex];// 次の仕事用バッファ
SetConsoleActiveScreenBuffer(m_hOut);// 表示用のハンドルをアクティブ化
}
extern void ConsoleSwapScreen(void)
{
HANDLE temp = m_hOut;
m_hOut = m_hWork;
m_hWork = temp;
}
extern void ConsoleSetColor(int fgColor, int bgColor)
{
SetConsoleTextAttribute(m_hWork, (fgColor + (bgColor * 16)) );
}
extern void ConsoleSetCursor(int y, int x)
{
COORD coPos = {(SHORT)x, (SHORT)y};
SetConsoleCursorPosition(m_hWork, coPos);
}
extern int ConsolePrint(const char * str)
{
unsigned long cell = 0;
WriteConsole(m_hWork, str, strlen(str), &cell, NULL);
return (int)cell;
}
/* 書式付文字列をコンソール画面に出力。
* ラッパ関数：ConsoleSetColor, ConsoleSetCursor, ConsolePrint
*
* @ret 書き込んだ文字列の長さ。
* @param y 書き込む画面位置Ｙ
* @param x 書き込む画面位置Ｘ
* @param fg 文字列の前景色
* @param bg 文字列の後景色
* @param fmt 書式
*/
extern int ConsolePrintFormat(int y, int x, int fg, int bg, const char *fmt, ...)
{
char str[NUM_MAX_STR] = {};
va_list args;
va_start(args, fmt);
vsnprintf(str, sizeof(str), fmt, args);
va_end(args);
ConsoleSetCursor(y, x);
ConsoleSetColor(fg, bg);
return ConsolePrint(str);
}
extern int ConsolePushStrStack(const char *format, ...)
{
if (m_strStackTop >= NUM_MAX_STR_STACK) {
return -1;
} else {
va_list args;
va_start(args, format);
int len = vsnprintf(m_strStack[m_strStackTop], sizeof(m_strStack[m_strStackTop]), format, args);
m_strStackTop++;
va_end(args);
return len;
}
}
extern const char * ConsolePopStrStack(void)
{
if (m_strStackTop <= 0) {
return NULL;
} else {
m_strStackTop--;
return m_strStack[m_strStackTop];
}
}
extern void ConsolePrintStrStack(void)
{
const char *str;
int i = 0;
while ((str = ConsolePopStrStack()) != NULL)
{
ConsoleSetColor(WHITE, BLACK);
ConsoleSetCursor(i++, 0);
ConsolePrint(str);
}
}
/*-----------------------------------------------------------------------------
Console: Static Functions
---------------------------------------------------------------------------*/
static void SetWindowSize(HANDLE hOut, int height, int width)
{
COORD coPos = {(SHORT)width, (SHORT)height};
SMALL_RECT sr = {0, 0, (SHORT)(width-1), (SHORT)(height-1)};
if (SetConsoleWindowInfo(hOut, TRUE, &sr) == 0) {
fprintf(stderr, "error: SetConsoleWindowInfo: %ld\n", GetLastError());
}
if (SetConsoleScreenBufferSize(hOut, coPos) == 0) {
fprintf(stderr, "error: SetConsoleScreenBufferSize: %ld\n", GetLastError());
}
}