From 6567f85eb3a33931dc59c6c0e59f8623979432b7 Mon Sep 17 00:00:00 2001
From: hailey <hailey@not-an-email.--->
Date: Mon, 10 Mar 2025 10:29:55 -0500
Subject: [PATCH] Updated rectangle border rendering

---
 examples/win32_gdi/main.c               |  6 +-
 renderers/win32_gdi/clay_renderer_gdi.c | 81 +++++++++++++++++++++----
 2 files changed, 69 insertions(+), 18 deletions(-)

diff --git a/examples/win32_gdi/main.c b/examples/win32_gdi/main.c
index f197a1f..761c59e 100644
--- a/examples/win32_gdi/main.c
+++ b/examples/win32_gdi/main.c
@@ -151,11 +151,7 @@ int APIENTRY WinMain(
     uint64_t clayRequiredMemory = Clay_MinMemorySize();
     Clay_Arena clayMemory = Clay_CreateArenaWithCapacityAndMemory(clayRequiredMemory, malloc(clayRequiredMemory));
     Clay_Initialize(clayMemory, (Clay_Dimensions){.width = 800, .height = 600}, (Clay_ErrorHandler){HandleClayErrors}); // This final argument is new since the video was published
-
-    // Font fonts[1];
-    // fonts[FONT_ID_BODY_16] = LoadFontEx("resources/Roboto-Regular.ttf", 48, 0, 400);
-
-    Clay_SetMeasureTextFunction(Clay_Win32_MeasureText, NULL); // was gettings fonts[] passed in
+    Clay_SetMeasureTextFunction(Clay_Win32_MeasureText, NULL); 
 
     ZeroMemory(&wc, sizeof wc);
     wc.hInstance = hInstance;
diff --git a/renderers/win32_gdi/clay_renderer_gdi.c b/renderers/win32_gdi/clay_renderer_gdi.c
index 5bd85e3..e031189 100644
--- a/renderers/win32_gdi/clay_renderer_gdi.c
+++ b/renderers/win32_gdi/clay_renderer_gdi.c
@@ -1,7 +1,6 @@
 #include <Windows.h>
 #include "../../clay.h"
 
-
 HDC renderer_hdcMem = {0};
 HBITMAP renderer_hbmMem = {0};
 HANDLE renderer_hOld = {0};
@@ -115,18 +114,75 @@ void Clay_Win32_Render(HWND hwnd, Clay_RenderCommandArray renderCommands)
             break;
         }
 
-        // // The renderer should draw a colored border inset into the bounding box.
-        // case CLAY_RENDER_COMMAND_TYPE_BORDER:
-        // {
-        //    // TODO:
-        //    break;
-        // }
+        // The renderer should draw a colored border inset into the bounding box.
+        case CLAY_RENDER_COMMAND_TYPE_BORDER:
+        {
+            Clay_BorderRenderData brd = renderCommand->renderData.border;
+            RECT r = rc;
 
-        // case CLAY_RENDER_COMMAND_TYPE_IMAGE:
-        // {
-        //     // TODO:
-        //     break;
-        // }
+            r.left = boundingBox.x;
+            r.top = boundingBox.y;
+            r.right = boundingBox.x + boundingBox.width;
+            r.bottom = boundingBox.y + boundingBox.height;
+
+            HPEN topPen = CreatePen(PS_SOLID, brd.width.top, RGB(brd.color.r, brd.color.g, brd.color.b));
+            HPEN leftPen = CreatePen(PS_SOLID, brd.width.left, RGB(brd.color.r, brd.color.g, brd.color.b));
+            HPEN bottomPen = CreatePen(PS_SOLID, brd.width.bottom, RGB(brd.color.r, brd.color.g, brd.color.b));
+            HPEN rightPen = CreatePen(PS_SOLID, brd.width.right, RGB(brd.color.r, brd.color.g, brd.color.b));
+
+            HPEN oldPen = SelectObject(renderer_hdcMem, topPen);
+
+            if (brd.cornerRadius.topLeft == 0)
+            {
+                MoveToEx(renderer_hdcMem, r.left, r.top, NULL);
+                LineTo(renderer_hdcMem, r.right, r.top);
+
+                SelectObject(renderer_hdcMem, leftPen);
+                MoveToEx(renderer_hdcMem, r.left, r.top, NULL);
+                LineTo(renderer_hdcMem, r.left, r.bottom);
+
+                SelectObject(renderer_hdcMem, bottomPen);
+                MoveToEx(renderer_hdcMem, r.left, r.bottom, NULL);
+                LineTo(renderer_hdcMem, r.right, r.bottom);
+
+                SelectObject(renderer_hdcMem, rightPen);
+                MoveToEx(renderer_hdcMem, r.right, r.top, NULL);
+                LineTo(renderer_hdcMem, r.right, r.bottom);
+            }
+            else
+            {
+                // todo: i should be rounded
+                MoveToEx(renderer_hdcMem, r.left, r.top, NULL);
+                LineTo(renderer_hdcMem, r.right, r.top);
+
+                SelectObject(renderer_hdcMem, leftPen);
+                MoveToEx(renderer_hdcMem, r.left, r.top, NULL);
+                LineTo(renderer_hdcMem, r.left, r.bottom);
+
+                SelectObject(renderer_hdcMem, bottomPen);
+                MoveToEx(renderer_hdcMem, r.left, r.bottom, NULL);
+                LineTo(renderer_hdcMem, r.right, r.bottom);
+
+                SelectObject(renderer_hdcMem, rightPen);
+                MoveToEx(renderer_hdcMem, r.right, r.top, NULL);
+                LineTo(renderer_hdcMem, r.right, r.bottom);
+                
+            }
+
+            SelectObject(renderer_hdcMem, oldPen);
+            DeleteObject(topPen);
+            DeleteObject(leftPen);
+            DeleteObject(bottomPen);
+            DeleteObject(rightPen);
+
+            break;
+        }
+
+            // case CLAY_RENDER_COMMAND_TYPE_IMAGE:
+            // {
+            //     // TODO: i couldnt get the win 32 api to load a bitmap.... So im punting on this one :(
+            //     break;
+            // }
 
         default:
             printf("Unhandled render command %d\r\n", renderCommand->commandType);
@@ -144,7 +200,6 @@ void Clay_Win32_Render(HWND hwnd, Clay_RenderCommandArray renderCommands)
     EndPaint(hwnd, &ps);
 }
 
-
 /*
     Hacks due to the windows api not making sence to use.... may measure too large, but never too small
 */