[feat] Layers mangaing

2026-06-05 17:46:36 +08:00
parent fd2ca8ad30
commit 1ba644168f
6 changed files with 483 additions and 28 deletions
@@ -0,0 +1,61 @@
+#include <graphics/rect.h>
+
+void gfx_fill_rect(EFI_GRAPHICS_OUTPUT_BLT_PIXEL* buf,
+                    UINT32 buf_w, UINT32 buf_h,
+                    UINT32 x, UINT32 y, UINT32 w, UINT32 h,
+                    EFI_GRAPHICS_OUTPUT_BLT_PIXEL color) {
+    if (x >= buf_w || y >= buf_h) return;
+
+    UINT32 x2 = x + w;
+    UINT32 y2 = y + h;
+    if (x2 > buf_w) x2 = buf_w;
+    if (y2 > buf_h) y2 = buf_h;
+
+    for (UINT32 row = y; row < y2; row++) {
+        EFI_GRAPHICS_OUTPUT_BLT_PIXEL* p = buf + (buf_w * row) + x;
+        for (UINT32 col = x; col < x2; col++) {
+            p->Blue  = color.Blue;
+            p->Green = color.Green;
+            p->Red   = color.Red;
+            p->Reserved = color.Reserved;
+            p++;
+        }
+    }
+}
+
+void gfx_draw_rect(EFI_GRAPHICS_OUTPUT_BLT_PIXEL* buf,
+                   UINT32 buf_w, UINT32 buf_h,
+                   UINT32 x, UINT32 y, UINT32 w, UINT32 h,
+                   EFI_GRAPHICS_OUTPUT_BLT_PIXEL color) {
+    if (x >= buf_w || y >= buf_h) return;
+
+    UINT32 x2 = x + w;
+    UINT32 y2 = y + h;
+    if (x2 > buf_w) x2 = buf_w;
+    if (y2 > buf_h) y2 = buf_h;
+
+    // Top edge
+    for (UINT32 col = x; col < x2; col++) {
+        EFI_GRAPHICS_OUTPUT_BLT_PIXEL* p = buf + (buf_w * y) + col;
+        p->Blue = color.Blue; p->Green = color.Green; p->Red = color.Red; p->Reserved = color.Reserved;
+    }
+    // Bottom edge
+    if (y2 - 1 < buf_h) {
+        for (UINT32 col = x; col < x2; col++) {
+            EFI_GRAPHICS_OUTPUT_BLT_PIXEL* p = buf + (buf_w * (y2 - 1)) + col;
+            p->Blue = color.Blue; p->Green = color.Green; p->Red = color.Red; p->Reserved = color.Reserved;
+        }
+    }
+    // Left edge
+    for (UINT32 row = y; row < y2; row++) {
+        EFI_GRAPHICS_OUTPUT_BLT_PIXEL* p = buf + (buf_w * row) + x;
+        p->Blue = color.Blue; p->Green = color.Green; p->Red = color.Red; p->Reserved = color.Reserved;
+    }
+    // Right edge
+    if (x2 - 1 < buf_w) {
+        for (UINT32 row = y; row < y2; row++) {
+            EFI_GRAPHICS_OUTPUT_BLT_PIXEL* p = buf + (buf_w * row) + (x2 - 1);
+            p->Blue = color.Blue; p->Green = color.Green; p->Red = color.Red; p->Reserved = color.Reserved;
+        }
+    }
+}