dolphin/Source/Plugins/Plugin_VideoOGL/Src/OnScreenDisplay.cpp

89 lines
1.9 KiB
C++

// Copyright (C) 2003-2009 Dolphin Project.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/
#include <list>
#include "Common.h"
#include "GLUtil.h"
#include "OnScreenDisplay.h"
#include "Render.h"
#include "Timer.h"
namespace OSD
{
struct MESSAGE
{
MESSAGE() {}
MESSAGE(const char* p, u32 dw) {
strncpy(str, p, 255);
str[255] = '\0';
dwTimeStamp = dw;
}
char str[256];
u32 dwTimeStamp;
};
static std::list<MESSAGE> s_listMsgs;
void AddMessage(const char* pstr, u32 ms)
{
s_listMsgs.push_back(MESSAGE(pstr, timeGetTime() + ms));
}
void DrawMessages()
{
// Get the status of the Blend mode
GLboolean enabled = glIsEnabled(GL_BLEND);
glDisable(GL_BLEND);
if (s_listMsgs.size() > 0)
{
int left = 25, top = 15;
std::list<MESSAGE>::iterator it = s_listMsgs.begin();
while (it != s_listMsgs.end())
{
int time_left = (int)(it->dwTimeStamp - timeGetTime());
int alpha = 255;
if (time_left < 1024)
{
alpha = time_left >> 2;
if (time_left < 0) alpha = 0;
}
alpha <<= 24;
Renderer::RenderText(it->str, left+1, top+1, 0x000000|alpha);
Renderer::RenderText(it->str, left, top, 0xffff30|alpha);
top += 15;
if (time_left <= 0)
it = s_listMsgs.erase(it);
else
++it;
}
}
if (enabled)
glEnable(GL_BLEND);
}
} // namespace