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Font: fix glyph vertex and texture coordinates

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This commit is contained in:
Josh Holtrop 2014-06-24 09:29:28 -04:00
parent 4ef71dae79
commit 33242af038
1 changed files with 8 additions and 10 deletions
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18
src/gui/Font.cc
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@ -87,18 +87,16 @@ namespace jes
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, width, height, GL_ALPHA, GL_UNSIGNED_BYTE, texture);
delete[] texture;
float s_min = 0.5 / m_texture->get_width();
float s_max = (width - 0.5) / m_texture->get_width();
float t_min = 0.5 / m_texture->get_height();
float t_max = (height - 0.5) / m_texture->get_height();
float s_max = width / (float)m_texture->get_width();
float t_max = height / (float)m_texture->get_height();
GLfloat box[4][4] = {
{(GLfloat)left, (GLfloat)(top - height),
s_min, t_min},
{(GLfloat)(left + width - 1), (GLfloat)(top - height),
s_max, t_min},
{(GLfloat)left, (GLfloat)(top - 1),
s_min, t_max},
{(GLfloat)(left + width - 1), (GLfloat)(top - 1),
0.0, 0.0},
{(GLfloat)(left + width), (GLfloat)(top - height),
s_max, 0.0},
{(GLfloat)left, (GLfloat)top,
0.0, t_max},
{(GLfloat)(left + width), (GLfloat)top,
s_max, t_max},
};
glGenBuffers(1, &m_vbo_id);