Graphics demo & Readme updated

Author: coderarjob

docs/images/meghaos_gui0.gif

@@ -5,6 +5,7 @@
 
 void thread0();
 void thread1();
+void thread2();
 
 static OSIF_WindowFrameBufferInfo createWindow (const char* const title)
 {
@@ -26,8 +27,9 @@ static OSIF_WindowFrameBufferInfo createWindow (const char* const title)
 void proc_main()
 {
     os_window_flush_graphics();
-    os_thread_create (&thread0, false);
     os_thread_create (&thread1, false);
+    os_thread_create (&thread2, false);
+    os_thread_create (&thread0, false);
 
     while (1) {
         if (os_process_is_yield_requested()) {
@@ -38,48 +40,68 @@ void proc_main()
 
 void thread0()
 {
-#if GRAPHICS_BPP == 8
-    UINT color       = 0x1;
-    const UINT WHITE = 0xF;
-#elif GRAPHICS_BPP == 32 || GRAPHICS_BPP == 24
-    UINT color       = 0x0000FF;
-    const UINT WHITE = 0xFFFFFFF;
-#endif
+    UINT color                     = 0x5F9FFF;
     INT x                          = 0;
     INT width                      = 20;
-    OSIF_WindowFrameBufferInfo fbi = createWindow ("gui0 - Window 1");
+    OSIF_WindowFrameBufferInfo fbi = createWindow ("gui0 - Window 3");
+    graphics_rect (&fbi, 0, 0, fbi.width_px, fbi.height_px, 0x0);
     while (1) {
         if ((UINT)(x + width) >= fbi.width_px) {
             x = 0;
-            graphics_rect (&fbi, 0, 0, fbi.width_px, fbi.height_px, WHITE);
+            graphics_rect (&fbi, 0, 0, fbi.width_px, fbi.height_px, 0x0);
         }
         graphics_rect (&fbi, (UINT)x, 0, (UINT)width, fbi.height_px, color);
         x += width + 3;
-        delay (10);
+
         os_window_flush_graphics();
+        delay (500);
     }
 }
 
 void thread1()
 {
-#if GRAPHICS_BPP == 8
-    UINT color       = 0x4;
-    const UINT WHITE = 0xF;
-#elif GRAPHICS_BPP == 32 || GRAPHICS_BPP == 24
-    UINT color       = 0xFF0000;
-    const UINT WHITE = 0xFFFFFFF;
-#endif
-    INT y                          = 0;
-    INT height                     = 10;
-    OSIF_WindowFrameBufferInfo fbi = createWindow ("gui0 - Window 2");
+    OSIF_WindowFrameBufferInfo fbi = createWindow ("gui0 - Window 1");
+    int modby                      = 1;
+    int incby                      = 1;
     while (1) {
-        if ((UINT)(y + height) >= fbi.height_px) {
-            y = 0;
-            graphics_rect (&fbi, 0, 0, fbi.width_px, fbi.height_px, WHITE);
+        if (modby == 10) {
+            incby = -1;
+        } else if (modby == 1) {
+            incby = 1;
+        }
+        modby += incby;
+
+        for (unsigned int x = 0; x < fbi.width_px; x++) {
+            for (unsigned int y = 0; y < fbi.height_px; y++) {
+                UINT color = (20 * (UINT)modby & 255) << 16;
+                graphics_putpixel (&fbi, x, y, color);
+            }
         }
-        graphics_rect (&fbi, 0, (UINT)y, fbi.width_px, (UINT)height, color);
-        y += height + 3;
+        os_window_flush_graphics();
         delay (100);
+    }
+}
+
+void thread2()
+{
+    OSIF_WindowFrameBufferInfo fbi = createWindow ("gui0 - Window 2");
+    int modby                      = 1;
+    int incby                      = 1;
+    while (1) {
+        if (modby == 10) {
+            incby = -1;
+        } else if (modby == 1) {
+            incby = 1;
+        }
+        modby += incby;
+
+        for (unsigned int x = 0; x < fbi.width_px; x++) {
+            for (unsigned int y = 0; y < fbi.height_px; y++) {
+                UINT color = ((x + y) * (UINT)modby & 255) << 8;
+                graphics_putpixel (&fbi, x, y, color);
+            }
+        }
         os_window_flush_graphics();
+        delay (80);
     }
 }