From 5750185bd8a38ce2a450f47e3bd8d5315b455561 Mon Sep 17 00:00:00 2001
From: herbglitch <bighebe@gmail.com>
Date: Sun, 3 Dec 2023 09:25:34 +0000
Subject: [PATCH] added views and temp circlefill

---
 include/arc/graphics/view.h | 59 +++++++++++++++++++++++++++++++++++++
 src/graphics/sdl/view.c     | 35 ++++++++++++++++++++++
 2 files changed, 94 insertions(+)
 create mode 100644 include/arc/graphics/view.h
 create mode 100644 src/graphics/sdl/view.c

diff --git a/include/arc/graphics/view.h b/include/arc/graphics/view.h
new file mode 100644
index 0000000..594a30a
--- /dev/null
+++ b/include/arc/graphics/view.h
@@ -0,0 +1,59 @@
+#ifndef ARC_GRAPHICS_VIEW_H_
+#define ARC_GRAPHICS_VIEW_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "arc/graphics/renderer.h"
+#include "arc/math/rectangle.h"
+
+typedef struct ARC_View {
+    ARC_Renderer *renderer;
+    ARC_Rect bounds;
+} ARC_View;
+
+/**
+ * @brief a function for ARC_View where contents of the function will be rendered within a view
+ *
+ * @param data data to be used within ARC_View_RenderFn
+ */
+typedef void (* ARC_View_RenderFn)(void *data);
+
+/**
+ * @brief creates ARC_View type
+ *
+ * @param view     ARC_View to initialize
+ * @param renderer ARC_Renderer the view will render to
+ * @param bounds   ARC_Rect bounds of the view within the renderer 
+ */
+void ARC_View_Create(ARC_View **view, ARC_Renderer *renderer, ARC_Rect bounds);
+
+/**
+ * @brief destroys ARC_View type
+ */
+void ARC_View_Destroy(ARC_View *view);
+
+/**
+ * @brief renders callbacks contents within an ARC_View
+ * 
+ * @param view     ARC_View to be renedered to
+ * @param renderFn function which contents will render to given ARC_View
+ * @param data     data to be used in renderFn
+ */
+void ARC_View_Render(ARC_View *view, ARC_View_RenderFn renderFn, void *data);
+
+/**
+ * @brief gets bounds from ARC_View type
+ *
+ * @param view ARC_View to get bounds from
+ *
+ * @return bounds of the view
+ */
+ARC_Rect ARC_View_GetBounds(ARC_View *view);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // !ARC_GRAPHICS_VIEW_H_
diff --git a/src/graphics/sdl/view.c b/src/graphics/sdl/view.c
new file mode 100644
index 0000000..ffa9483
--- /dev/null
+++ b/src/graphics/sdl/view.c
@@ -0,0 +1,35 @@
+#include "arc/graphics/view.h"
+
+#include "arc/std/errno.h"
+#include <SDL.h>
+#include <stdlib.h>
+
+void ARC_View_Create(ARC_View **view, ARC_Renderer *renderer, ARC_Rect bounds){
+    *view = (ARC_View *)malloc(sizeof(ARC_View));
+    (*view)->renderer = renderer;
+    (*view)->bounds = bounds;
+}
+
+void ARC_View_Destroy(ARC_View *view){
+    free(view);
+}
+
+void ARC_View_Render(ARC_View *view, ARC_View_RenderFn renderFn, void *data){
+    int err = SDL_RenderSetViewport((SDL_Renderer *)view->renderer, (const SDL_Rect *)&(view->bounds));
+    if(err){
+        ARC_DEBUG_LOG(ARC_ERRNO_DATA, "in src/graphics/sdl/view.c ARC_View_Render(view, renderFn), SDL_RenderSetViewport(...) returned: %d", err);
+        return;
+    }
+
+    renderFn(data);
+
+    err = SDL_RenderSetViewport((SDL_Renderer *)view->renderer, NULL);
+    if(err){
+        ARC_DEBUG_LOG(ARC_ERRNO_DATA, "in src/graphics/sdl/view.c ARC_View_Render(view, NULL), SDL_RenderSetViewport(...) returned: %d", err);
+        return;
+    }
+}
+
+ARC_Rect ARC_View_GetBounds(ARC_View *view){
+    return view->bounds;
+}