Initial commit

7 files changed, 235 insertions, 0 deletions

diff --git a/libterm/Makefile b/libterm/Makefile
new file mode 100644
index 0000000..a592109
--- /dev/null
+++ b/libterm/Makefile
@@ -0,0 +1,6 @@
+
+make:
+	gcc -c term.c
+	gcc -c screen_modes.c
+	gcc -c print_utils.c
+	ld -r term.o screen_modes.o print_utils.o -o libterm.o
diff --git a/libterm/print_utils.c b/libterm/print_utils.c
new file mode 100644
index 0000000..9d4bac0
--- /dev/null
+++ b/libterm/print_utils.c
@@ -0,0 +1,122 @@
+#include "print_utils.h"
+
+int term_fprint( screen_mode_e mode, FILE *f )
+{
+	int ret=-1;
+	if (f == NULL)
+		return -1;
+	
+	switch ( mode )
+	{
+		case SCREEN_MODE_80x24:
+			{
+				/*
+				const int m_x=80,m_y=24;
+				int x=0,y=0;
+				int fret=1;
+				char c; 
+				while ((fret = fread(&c,1,1,f)) == 1)
+				{
+					if ( c != '\n' )
+					{
+						if ( (x < m_x) && (y < m_y) )
+						{
+							putc( c );
+						}
+						x+=1;
+					} else if ( c == '\n' )
+					{
+						x = 0;
+						y += 1;
+					}
+				}
+				*/
+			}
+			break;
+		default:
+			printf("Unknown screen mode\n");
+	}
+	
+	return ret;
+}
+
+
+//print data to terminal starting from x,y
+//return 0x0000yyyy0000xxxx, current stopped position
+int term_print( term_screen *ts, const char *buf, size_t size, 
+	int init_x, int init_y )
+{
+	int posx=0, posy=0;
+	int ret=-1;
+	if ( buf == NULL )
+	{
+		return -1;
+	}
+
+	if ( size <= 0 )
+	{
+		return -1;
+	}
+
+	//calculate position
+	//fix for diff modes also needed
+	if ( ts->term_col > 80)
+	{
+		posx = (ts->term_col-80)/2;
+	} 
+	if (ts->term_row > 24)
+	{
+		posy = (ts->term_row-24)/2;
+	}
+
+	switch ( ts->mode )
+	{
+		case SCREEN_MODE_80x24:
+			{
+				int m_x=80, m_y=24;
+				int x=init_x, y=init_y;
+				char c;
+				int i,j;
+				
+
+				if (( init_x == 0 ) && (init_y == 0))
+				{
+					for (i=0; i<posx;i++)
+						printf(" ");
+				}
+
+				//draw image according to mode
+				for (i=0; i<size; i++)
+				{
+					c = buf[i];
+					if ( c == '\n' )
+					{
+						printf("\n");
+						//set
+						for (j=0; j<posx; j++)
+							printf(" ");
+						x = 0;
+						y += 1;
+						//printf("asdasdsad\n");
+					} else if ( c != '\n' )
+					{
+						if ( (x < m_x ) && (y < m_y) )
+						{
+							printf("%c",c);
+						}
+						x += 1;
+					}
+				}
+				ret = x&0x0000ffff | ((y&0x0000ffff)<<16);
+				//printf( "%08x\n", ret );
+			}
+			break;
+		default:
+			printf("Unknown mode\n");
+	}
+
+	return ret;
+}
+
+
+
diff --git a/libterm/print_utils.h b/libterm/print_utils.h
new file mode 100644
index 0000000..6665262
--- /dev/null
+++ b/libterm/print_utils.h
@@ -0,0 +1,13 @@
+#ifndef __LIBTERM_PRINT_UTILS_H
+#define __LIBTERM_PRINT_UTILS_H
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "screen_modes.h"
+#include "term.h"
+
+int term_fprint( screen_mode_e, FILE* );
+int term_print( term_screen*, const char*, size_t, int, int );
+
+#endif
diff --git a/libterm/screen_modes.c b/libterm/screen_modes.c
new file mode 100644
index 0000000..709b332
--- /dev/null
+++ b/libterm/screen_modes.c
@@ -0,0 +1,3 @@
+#include "screen_modes.h"
+
+
diff --git a/libterm/screen_modes.h b/libterm/screen_modes.h
new file mode 100644
index 0000000..73a66a6
--- /dev/null
+++ b/libterm/screen_modes.h
@@ -0,0 +1,15 @@
+#ifndef __LIBTERM_SCREEN_MODES_H
+#define __LIBTERM_SCREEN_MODES_H
+
+typedef enum 
+{
+	SCREEN_MODE_NONE=0,
+	SCREEN_MODE_80x24
+} screen_mode_e;
+
+typedef struct term_screen_mode
+{
+	screen_mode_e mode;
+} term_screen_mode;
+
+#endif
diff --git a/libterm/term.c b/libterm/term.c
new file mode 100644
index 0000000..5d2a44f
--- /dev/null
+++ b/libterm/term.c
@@ -0,0 +1,54 @@
+#include "term.h"
+
+int term_init_data( term_screen *term )
+{
+	int ret=0;
+
+	term->term_col = term_get_col();
+	if (term->term_col == -1) ret = -1;
+
+	term->term_row = term_get_row();
+	if (term->term_row == -1) ret = -1;
+
+	term->mode = SCREEN_MODE_80x24;
+
+	return ret;
+}
+
+
+int term_get_col(  )
+{
+	int ret=-1;
+	int fret=-1;
+
+	struct winsize w;
+	
+	
+	fret = ioctl(0, TIOCGWINSZ, &w );
+	if ( fret == 0 )
+	{
+		return w.ws_col;
+	}
+	
+
+	return -1;
+}
+
+
+int term_get_row(  )
+{
+	int ret=-1;
+	int fret=-1;
+
+	struct winsize w;
+	
+	
+	fret = ioctl(0, TIOCGWINSZ, &w );
+	if ( fret == 0 )
+	{
+		return w.ws_row;
+	}
+	
+	return -1;
+}
+
diff --git a/libterm/term.h b/libterm/term.h
new file mode 100644
index 0000000..4565571
--- /dev/null
+++ b/libterm/term.h
@@ -0,0 +1,22 @@
+#ifndef __LIBTERM_TERM_H
+#define __LIBTERM_TERM_H
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include <sys/ioctl.h>
+
+#include "screen_modes.h"
+
+typedef struct term_screen
+{
+	screen_mode_e mode;
+	int term_col, term_row;
+} term_screen;
+
+int term_init_data( term_screen* );
+int term_get_col(  );
+int term_get_row(  );
+
+#endif