made the renderer escapecode based

includes/tart.h

@@ -22,16 +22,19 @@ extern "C" {
 
 #ifdef TART_RGB_COLORS
 #define NULL_CELL (struct tart_cell){{0,0,0},{0,0,0},0,0,0}
-#define TART_CELL_DATA_SIZE 16 // todo add number
+#define TART_CELL_DATA_SIZE 32 // todo add number
+typedef char tart_display[2];
 #else
 #define NULL_CELL (struct tart_cell){0,0,0,' '}
 #define TART_CELL_DATA_SIZE 20
+typedef char tart_display;
 #endif
 #define TART_OK 0
 
 
 #define TART_STYLE_BOLD 1
 #define TART_STYLE_DIM 2
+#define TART_STYLE_ITALIC 3
 #define TART_STYLE_UNDERLINE 4
 #define TART_STYLE_BLINKING 5
 #define TART_STYLE_INVERSE 7
@@ -101,6 +104,14 @@ struct tart_cell {
     char display;
 };
 #else
+#ifdef TART_UTF8
+struct tart_cell {
+    tart_byte foreground;
+    tart_byte background;
+    tart_byte style;
+    char[2] display;
+};
+#endif
 struct tart_cell {
     tart_byte foreground;
     tart_byte background;

source/tart.c

@@ -103,22 +103,44 @@ tart_byte tart_draw_window(struct tart_window * window, char* rend_buffer) {
     for (int b = 0;b < 0xFF; b++) {
         if(window->buffers[b].cell_count == 0) 
             continue;
+        char bufferSetPre[16];
+        int bufferSetSize = sprintf(bufferSetPre, "\033[%d;%dH", window->buffers[b].position.y, window->buffers[b].position.x);
+        for(int preIdx = 0; preIdx < bufferSetSize; preIdx++) {
+            //window->data[(y*window->buffers[b].size.x) + offset] = movePre[preIdx];
+            window->data[offset] = bufferSetPre[preIdx];
+            offset++;
+        }
+            offset++;
         bufferWidth = window->buffers[b].size.x;
         for (int y = 0; y < window->buffers[b].size.y; y++) {
+            char movePre[16];
+            int moveSize = sprintf(movePre, "\033[%dB\033[%dG", 1, window->buffers[b].position.x);
+            for(int preIdx = 0; preIdx < moveSize; preIdx++) {
+                //window->data[(y*window->buffers[b].size.x) + offset] = movePre[preIdx];
+                window->data[offset] = movePre[preIdx];
+                offset++;
+            }
             for (int x = 0; x < window->buffers[b].size.x; x++) {
                 // add data to window c buffer.
                 struct tart_cell cell = window->buffers[b].cells[(y*window->buffers[b].size.x) + x];
-                char pre[TART_CELL_DATA_SIZE];
                 // puts cell drawing data in pre
-                int size = sprintf(pre, "\033[%d;%d;%dm%c\033[0;0m", 
+#ifdef TART_RGB_COLORS
+                char pre[TART_CELL_DATA_SIZE+4];
+                int size = sprintf(pre, "\033[0m\033[38;2;%d;%d;%dm\033[0m\033[48;2;%d;%d;%dm%\033[%dmc\033[0;0m", 
+                        // TODO add rgb
+                        (int)cell.style, cell.foreground,
+                        cell.background, cell.display) -1;
+#endif
+                char pre[TART_CELL_DATA_SIZE+4];
+                int size = sprintf(pre, "\033[0m\033[%d;%d;%dm%c\033[0;0m", 
                         (int)cell.style, cell.foreground,
                         cell.background, cell.display) -1;
                 for(int preIdx = 0; preIdx < size; preIdx++) {
-                    window->data[(y*window->buffers[b].size.x) + x + offset] = pre[preIdx];
+                    window->data[offset] = pre[preIdx];
                     offset++;
                 }
             }
-            //window->data[((y)*window->buffers[b].size.x) + offset + window->buffers[b].size.x] = '\n';
+
             offset++;