gl_buffer.h (1445B)
1 /* 2 * Copyright 2012 Google, Inc. All Rights Reserved. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 * 16 * Google Author(s): Behdad Esfahbod 17 */ 18 19 #ifndef GL_BUFFER_H 20 #define GL_BUFFER_H 21 22 #include <vector> 23 24 #include "demo-common.h" 25 #include "gl_font.h" // citrun::gl_font 26 #include "gl_shader.h" // citrun::glyph_vertex_t 27 28 29 namespace citrun { 30 31 class gl_buffer 32 { 33 unsigned int m_refcount; 34 glyphy_point_t m_cursor; 35 std::vector<citrun::glyph_vertex_t> m_vertices; 36 glyphy_extents_t m_ink_extents; 37 glyphy_extents_t m_logical_extents; 38 bool m_dirty; 39 GLuint m_buf_name; 40 41 citrun::gl_shader shader; 42 43 public: 44 gl_buffer(); 45 46 void reference(); 47 void clear(); 48 void extents(glyphy_extents_t *, glyphy_extents_t *); 49 void move_to(const glyphy_point_t *); 50 void current_point(glyphy_point_t *); 51 void add_text(const char *, citrun::gl_font &, double); 52 void draw(); 53 }; 54 55 } // namespace citrun 56 #endif // GL_BUFFER_H