Split render primitives into dedicated modules

include/display/render/bezier.h

@@ -0,0 +1,19 @@
+#pragma once
+
+#include "display/render/context.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void render_bezier(
+    render_ctx_t* ctx,
+    const int* points_x,
+    const int* points_y,
+    size_t num_points,
+    uint16_t color
+);
+
+#ifdef __cplusplus
+}
+#endif

include/display/render/grid.h

@@ -0,0 +1,13 @@
+#pragma once
+
+#include "display/render/line.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void render_grid(render_ctx_t* ctx, uint16_t x, uint16_t y, uint16_t step, uint16_t color);
+
+#ifdef __cplusplus
+}
+#endif

include/display/render/line.h

@@ -0,0 +1,13 @@
+#pragma once
+
+#include "display/render/context.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void render_line(render_ctx_t* ctx, int x0, int y0, int x1, int y1, uint16_t color);
+
+#ifdef __cplusplus
+}
+#endif

include/display/render/sine_wave.h

@@ -0,0 +1,22 @@
+#pragma once
+
+#include "display/render/context.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void render_sine_wave(
+    render_ctx_t* ctx,
+    uint16_t num_points,
+    int amplitude,
+    float frequency,
+    int offset_x,
+    int offset_y,
+    float phase_shift,
+    uint16_t color
+);
+
+#ifdef __cplusplus
+}
+#endif