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authorchai <chaifix@163.com>2018-10-19 08:36:44 +0800
committerchai <chaifix@163.com>2018-10-19 08:36:44 +0800
commit7d5f055547e70fa93ee9ac944e62f8d657b9dc55 (patch)
tree081782a1541854db4b8eb69c4b43081f52711286 /src/libjin/Graphics/Font/je_page.h
parent02dd1f38008594048f0e28bad01e7c6d18844198 (diff)
*修改文件名
Diffstat (limited to 'src/libjin/Graphics/Font/je_page.h')
-rw-r--r--src/libjin/Graphics/Font/je_page.h51
1 files changed, 51 insertions, 0 deletions
diff --git a/src/libjin/Graphics/Font/je_page.h b/src/libjin/Graphics/Font/je_page.h
new file mode 100644
index 0000000..d887c9b
--- /dev/null
+++ b/src/libjin/Graphics/Font/je_page.h
@@ -0,0 +1,51 @@
+#ifndef __LIBJIN_PAGE_H
+#define __LIBJIN_PAGE_H
+
+#include "../../math/je_vector2.hpp"
+
+#include "je_font.h"
+
+namespace jin
+{
+ namespace graphics
+ {
+
+ 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
+ {
+ Font* font;
+ std::vector<GlyphArrayDrawInfo> glyphinfolist;
+ std::vector<GlyphVertex> glyphvertices;
+ math::Vector2<int> size;
+ };
+
+ } // namespace graphics
+} // namespace jin
+
+#endif \ No newline at end of file