GSOsdManager::GSOsdManager() : m_atlas_h(0)
, m_atlas_w(0)
, m_max_width(0)
, m_onscreen_messages(0)
, m_texture_dirty(true)
{
m_log_enabled = theApp.GetConfigB("osd_log_enabled");
m_log_timeout = std::max(2, std::min(theApp.GetConfigI("osd_log_timeout"), 10));
m_monitor_enabled = theApp.GetConfigB("osd_monitor_enabled");
m_opacity = std::max(0, std::min(theApp.GetConfigI("osd_color_opacity"), 100));
m_max_onscreen_messages = theApp.GetConfigI("osd_max_log_messages");
m_size = theApp.GetConfigI("osd_fontsize");
int r = theApp.GetConfigI("osd_color_r");
int g = theApp.GetConfigI("osd_color_g");
int b = theApp.GetConfigI("osd_color_b");
m_color = r | (g << 8) | (b << 16) | (255 << 24);
if (FT_Init_FreeType(&m_library)) {
m_face = NULL;
fprintf(stderr, "Failed to init the freetype library\n");
return;
}
LoadFont();
/* The space character's width is used in GeneratePrimitives() */
AddGlyph(' ');
}
//
// Draw
//
void CFraps::Draw()
{
// Make sure that ortho matrix is correct
assert(m_Width);
assert(m_Height);
unsigned NumGlyphs = 0;
int x = m_Width - (FRAPS_GLYPH_WIDTH + 2);
int y = m_Height - (FRAPS_GLYPH_HEIGHT + 2);
HUD_VERTEX *pData = new HUD_VERTEX[4 * FRAPS_MAX_STRING];
HUD_VERTEX *pVertices = pData;
if (pVertices)
{
const float du = 1.0f / FRAPS_NUM_GLYPHS; // We have 10 digits (0..9) in UV range 0..1
float u;
unsigned fps = m_fps;
while (fps)
{
// "Eat" new digit
unsigned Digit = fps % 10;
fps /= 10;
u = Digit * du;
AddGlyph(pVertices, (float)x, (float)y, FRAPS_GLYPH_WIDTH, FRAPS_GLYPH_HEIGHT, u, 0.0f, u + du, 1.0f);
++NumGlyphs;
pVertices += 4;
x -= FRAPS_GLYPH_PITCH;
}
glBindBuffer(GL_ARRAY_BUFFER, m_VB);
glBufferSubData(GL_ARRAY_BUFFER, 0, sizeof(HUD_VERTEX) * 4 * NumGlyphs, pData);
delete[] pData;
}
BeginDraw();
{
glDrawElements(GL_TRIANGLES, NumGlyphs * 6, GL_UNSIGNED_SHORT, 0);
}
EndDraw();
}
