void XSurfaceOpenGL::DrawCoreAlpha( void )
{
float memw = GetMemWidth();
float memh = GetMemHeight();
float surfacew = GetWidth();
float surfaceh = GetHeight();
float alignw = GetAlignedWidth();
float alignh = GetAlignedHeight();
float u = memw / alignw;
float v = memh / alignh;
float adjx = GetAdjustX();
float adjy = GetAdjustY();
GLfloat tex[8] = { 0, v, u, v, 0, 0, u, 0 };
GLfloat pos[8] = { adjx, surfaceh+adjy, surfacew+adjx, surfaceh+adjy, adjx, adjy, surfacew+adjx, adjy };
GLfloat col[16] = { 1.0f, 1.0f, 1.0f, m_fAlpha,
1.0f, 1.0f, 1.0f, m_fAlpha,
1.0f, 1.0f, 1.0f, m_fAlpha,
1.0f, 1.0f, 1.0f, m_fAlpha
};
glColor4f( m_ColorR, m_ColorG, m_ColorB, 1.0f );
glBindBuffer(GL_ARRAY_BUFFER, 0);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glEnableClientState(GL_COLOR_ARRAY);
glVertexPointer(2, GL_FLOAT, 0, pos);
glTexCoordPointer(2, GL_FLOAT, 0, tex);
glColorPointer(4, GL_FLOAT, 0, col);
// bind texture
glBindTexture(GL_TEXTURE_2D, m_textureID);
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
glDisableClientState(GL_COLOR_ARRAY);
}
float XFontDatSpr::GetFontWidth( void )
{
auto pSpr = m_spDat->GetSprite( 0 );
XBREAK( pSpr == NULL );
return pSpr->GetWidth() + pSpr->GetAdjustX();
}
