|
|
/*
Copyright 2005-2014 Intel Corporation. All Rights Reserved.
This file is part of Threading Building Blocks.
Threading Building Blocks is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License version 2 as published by the Free Software Foundation.
Threading Building Blocks 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 for more details.
You should have received a copy of the GNU General Public License along with Threading Building Blocks; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
As a special exception, you may use this file as part of a free software library without restriction. Specifically, if other files instantiate templates or use macros or inline functions from this file, or you compile this file and link it with other files to produce an executable, this file does not by itself cause the resulting executable to be covered by the GNU General Public License. This exception does not however invalidate any other reasons why the executable file might be covered by the GNU General Public License.*/
#include "video.h"
#include <cassert>
#include <stdio.h>
unsigned int * g_pImg = 0;int g_sizex, g_sizey;static video *g_video = 0;static int g_fps = 0;
#if _WIN32 || _WIN64
static DWORD g_msec = 0;#ifdef _WINDOWS
HINSTANCE video::win_hInstance = 0;int video::win_iCmdShow = 0;void video::win_set_class(WNDCLASSEX &wcex) { }void video::win_load_accelerators(int idc) { }#endif //_WINDOWS
#else
#include <sched.h>
#include <sys/time.h>
struct timeval g_time;
#endif //_WIN32||_WIN64
video::video() // OpenGL* RGBA byte order for little-endian CPU
: red_mask(0xff), red_shift(0), green_mask(0xff00), green_shift(8), blue_mask(0xff0000), blue_shift(16), depth(24){ assert(g_video == 0); g_video = this; title = "Video"; updating = calc_fps = false;}
bool video::init_window(int x, int y){ g_sizex = x; g_sizey = y; g_pImg = new unsigned int[x*y]; running = true; return false;}
bool video::init_console(){ running = true; return true;}
void video::terminate(){ if(calc_fps) { double fps = g_fps;#if _WIN32 || _WIN64
fps /= (GetTickCount()-g_msec)/1000.0;#else
struct timezone tz; struct timeval end_time; gettimeofday(&end_time, &tz); fps /= (end_time.tv_sec+1.0*end_time.tv_usec/1000000.0) - (g_time.tv_sec+1.0*g_time.tv_usec/1000000.0);#endif
printf("%s: %.1f fps\n", title, fps); } g_video = 0; running = false; if(g_pImg) { delete[] g_pImg; g_pImg = 0; }}
video::~video(){ if(g_video) terminate();}
//! Count and display FPS count in titlebar
bool video::next_frame(){ if(calc_fps){ if(!g_fps) {#if _WIN32 || _WIN64
g_msec = GetTickCount();#else
struct timezone tz; gettimeofday(&g_time, &tz);#endif
} g_fps++; } return running;}
//! Do standard loop
void video::main_loop(){ on_process();}
//! Change window title
void video::show_title(){}
///////////////////////////////////////////// public methods of video class ///////////////////////
drawing_area::drawing_area(int x, int y, int sizex, int sizey) : start_x(x), start_y(y), size_x(sizex), size_y(sizey), pixel_depth(24), base_index(y*g_sizex + x), max_index(g_sizex*g_sizey), index_stride(g_sizex), ptr32(g_pImg){ assert(x < g_sizex); assert(y < g_sizey); assert(x+sizex <= g_sizex); assert(y+sizey <= g_sizey);
index = base_index; // current index
}
void drawing_area::update() {}
|
