add opengl fronend, remove sdl frontend, refactor build system

1 files changed, 112 insertions, 0 deletions

diff --git a/frontends/calculator/CEdev/examples/gfx_shapes_shift/src/main.c b/frontends/calculator/CEdev/examples/gfx_shapes_shift/src/main.c
new file mode 100644
index 0000000..cfa784d
--- /dev/null
+++ b/frontends/calculator/CEdev/examples/gfx_shapes_shift/src/main.c
@@ -0,0 +1,112 @@
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <tice.h>
+
+#include <math.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <graphx.h>
+
+void main(void) {
+    uint8_t y;
+    uint24_t i;
+
+    /* Triangle coordinates */
+    int verts[6] = {
+            160,  1,  /* (x0, y0) */
+            1,  238,  /* (x1, y1) */
+            318,238,  /* (x2, y2) */
+    };
+
+    /* Initialize the 8bpp graphics */
+    gfx_Begin();
+    gfx_SetColor(gfx_blue);
+
+    /* Draw some circles to make sure they all look the same */
+    y = 40;
+    for (i = 2; i < 13; i++) {
+        y += i;
+        gfx_FillCircle_NoClip(80, y, i);
+        y += i + 3;
+    }
+    y = 40;
+    for (i = 2; i < 13; i++) {
+        y += i;
+        gfx_FillCircle(240, y, i);
+        y += i + 3;
+    }
+    y = 40;
+    for (i = 2; i < 13; i++) {
+        y += i;
+        gfx_Circle(160, y, i);
+        y += i + 3;
+    }
+
+    /* Wait for any key */
+    while (!os_GetCSC());
+
+    gfx_FillScreen(gfx_white);
+    gfx_SetColor(gfx_yellow);
+    gfx_Rectangle(0, 0, 320, 240);
+
+    /* Draw a blue triangle outline */
+    gfx_SetColor(gfx_blue);
+    gfx_Polygon(verts, 3);
+
+    /* Draw a red circle outline */
+    gfx_SetColor(gfx_red);
+    gfx_Circle(160, 152, 80);
+
+    /* Wait for any key */
+    while (!os_GetCSC());
+
+    /* Draw a filled yellow rectangle */
+    gfx_SetColor(gfx_yellow);
+    gfx_FillRectangle(0, 0, 320, 240);
+
+    /* Draw a filled blue triangle */
+    gfx_SetColor(gfx_blue);
+    gfx_FillTriangle(verts[0], verts[1], verts[2], verts[3], verts[4], verts[5]);
+
+    /* Draw a filled red circle */
+    gfx_SetColor(gfx_red);
+    gfx_FillCircle(160, 152, 80);
+
+    /* Wait for any key */
+    while (!os_GetCSC());
+
+    /* Shift the screen around a bit */
+    gfx_ShiftDown(20);
+    gfx_ShiftDown(20);
+    gfx_ShiftLeft(20);
+    gfx_ShiftLeft(20);
+    gfx_ShiftUp(20);
+    gfx_ShiftRight(20);
+
+    /* Wait for any key */
+    while (!os_GetCSC());
+
+    gfx_FillScreen(gfx_white);
+
+    /* Test triangle drawing */
+    gfx_SetColor(gfx_blue);
+    gfx_FillTriangle(110, 170, 110, 70, 230, 70);
+    gfx_SetColor(gfx_green);
+    gfx_FillTriangle_NoClip(110, 170, 230, 70, 230, 170);
+    gfx_SetColor(gfx_black);
+    gfx_FillTriangle(110, 170, 200, 200, 230, 200);
+    gfx_FillTriangle_NoClip(140, 40, 110, 40, 230, 70);
+    gfx_FillTriangle(1, 1, 318, 1, 1, 1);
+    gfx_FillTriangle_NoClip(1, 238, 1, 238, 318, 238);
+    gfx_FillTriangle(1, 3, 1, 236, 1, 236);
+    gfx_FillTriangle_NoClip(318, 3, 318, 236, 318, 3);
+
+    /* Wait for any key */
+    while (!os_GetCSC());
+
+    /* Close the graphics */
+    gfx_End();
+}