Draw triangles and lines

1 files changed, 66 insertions, 0 deletions

diff --git a/examples/graph.c b/examples/graph.c
new file mode 100755
index 0000000..c7b2877
--- /dev/null
+++ b/examples/graph.c
@@ -0,0 +1,66 @@
+#if 0 /*
+#/  ================================================================
+#/
+#/    graph.c
+#/
+#/  ================================================================
+#/
+#/    Self-compilation shell script
+#/
+SRC=${0##*./}
+BIN=${SRC%.*}
+gcc                                         \
+  -Wall -Wextra -Werror -pedantic           \
+  -Wno-old-style-declaration                \
+  -Wno-missing-braces                       \
+  -Wno-unused-variable                      \
+  -Wno-unused-but-set-variable              \
+  -Wno-unused-parameter                     \
+  -Wno-overlength-strings                   \
+  -O3                                       \
+  -fsanitize=undefined,address,leak -mshstk \
+  -lX11 -lm                                 \
+  -o $BIN $SRC &&                           \
+  ./$BIN $@ && rm $BIN
+exit $? # */
+#endif
+
+#include "../graphics.c"
+
+i32 main(i32 argc, c8 **argv) {
+  (void) argc;
+  (void) argv;
+
+  platform = (Platform) {
+    .title        = "Graph",
+    .frame_width  = 960,
+    .frame_height = 720,
+  };
+
+  u32 WHITE = u32_from_rgb(1.f, 1.f, 1.f);
+  u32 BLACK = u32_from_rgb(0.f, 0.f, 0.f);
+  u32 RED   = u32_from_rgb(1.f, 0.f, 0.f);
+  u32 BLUE  = u32_from_rgb(0.f, 0.f, 1.f);
+
+  p_init();
+
+  while (!platform.done) {
+    p_wait_events();
+
+    i64 x = platform.frame_width  / 2;
+    i64 y = platform.frame_height / 2;
+
+    fill_rectangle(OP_SET, WHITE, 0, 0, platform.frame_width, platform.frame_height);
+
+    fill_triangle(OP_SET, RED, 100, 100, 200, 100, 150, 200);
+
+    fill_line(OP_SET, BLUE, 100, 300, 300, 500, 30);
+
+    fill_ellipse(OP_SET, BLACK, x - 140, y - 100, 280, 200);
+
+    p_render_frame();
+  }  
+
+  p_cleanup();
+  return 0;
+}