From 8b00d67febf133e89f6a0bfabc41feed555dc4a9 Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Sat, 12 Jan 2019 21:48:33 +0800
Subject: =?UTF-8?q?*=E5=8E=BB=E6=8E=89=E6=96=87=E4=BB=B6=E5=89=8D=E7=BC=80?=
 =?UTF-8?q?je=5F?=
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---
 src/libjin/graphics/fonts/page.h | 54 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 src/libjin/graphics/fonts/page.h

(limited to 'src/libjin/graphics/fonts/page.h')

diff --git a/src/libjin/graphics/fonts/page.h b/src/libjin/graphics/fonts/page.h
new file mode 100644
index 0000000..75f1840
--- /dev/null
+++ b/src/libjin/graphics/fonts/page.h
@@ -0,0 +1,54 @@
+#ifndef __JE_PAGE_H__
+#define __JE_PAGE_H__
+
+#include "../../math/vector2.hpp"
+
+#include "font.h"
+
+namespace JinEngine
+{
+    namespace Graphics
+    {
+        namespace Fonts
+        {
+
+            class Font;
+
+            /// 
+            /// Glyphs data to be rendered.
+            /// 
+            struct GlyphVertex
+            {
+                int x, y;   ///< screen coordinates
+                float u, v; ///< normalized texture uv
+            };
+
+            /// 
+            /// Glyphs info for reducing draw call.
+            /// 
+            struct GlyphArrayDrawInfo
+            {
+                GLuint texture;     ///< atlas
+                unsigned int start; ///< glyph vertex indecies
+                unsigned int count; ///< glyph vertex count 
+            };
+
+            /// 
+            /// Page to be rendered. 
+            /// 
+            /// A page is a pre-rendered text struct for reducing draw call. Each page 
+            /// keeps a font pointer which should not be changed.
+            /// 
+            struct Page : public Object
+            {
+                Font* font;
+                std::vector<GlyphArrayDrawInfo> glyphinfolist;
+                std::vector<GlyphVertex> glyphvertices;
+                Math::Vector2<int> size;
+            };
+
+        } // namespace Fonts
+    } // namespace Graphics
+} // namespace JinEngine 
+
+#endif // __JE_PAGE_H__
-- 
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