本文整理汇总了C++中Image::BlitTo方法的典型用法代码示例。如果您正苦于以下问题：C++ Image::BlitTo方法的具体用法？C++ Image::BlitTo怎么用？C++ Image::BlitTo使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Image的用法示例。
在下文中一共展示了Image::BlitTo方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: main
int main(int argc, char *argv[])
{
int width = 640;
int height = 480;
int t_time = 0;
Image *source = NULL;
std::string basename = "noname";
std::string workfilename;
if (SDL_Init(SDL_INIT_VIDEO) < 0) {
std::cerr << "Unable to initialize SDL!\n";
return -1;
}
atexit(SDL_Quit);
if (argc >= 2) {
try {
source = new Image(argv[1]);
}
catch (const std::string &err) {
std::cerr << "Error in image creation: " << err << "\n";
return -1;
}
width = source->Width();
height = source->Height();
basename = argv[1];
if (argc == 3)
workfilename = argv[2];
}
else {
std::cerr << "**** IMAGE NOT SPECIFIED ****!\n";
return -1;
}
SDL_Surface *video = SDL_SetVideoMode(width * 2, height, 32, SDL_SWSURFACE);
source->BlitTo(video, width, 0);
SDL_UpdateRect(video, width, 0, width, height);
if (!video) {
std::cerr << "Unable to open window!\n";
return -1;
}
Settings::ScreenHeight = source->Height();
Settings::ScreenWidth = source->Width();
uint64_t counter = 0;
time_t start = ::time(NULL);
bool running = true;
time_t last = start;
::srand(start);
/* Set time measure */
struct timeval t_start, t_stop;
unsigned long t_elapsed;
gettimeofday(&t_start, NULL);
GeneticTest gen(*source);
if (!workfilename.empty()) {
std::cerr << "Loading progresses from <" << workfilename << ">...\n";
if (FILE *f = ::fopen(workfilename.c_str(), "rb")) {
SerialLoader l(f);
l & gen;
::fclose(f);
gen.Display(video);
}
}
while (running) {
if (gen.Step()) {
time_t now = time(NULL);
if (now > last) {
gen.Display(video);
last = now;
}
}
counter++;
if ((counter % 100) == 0) {
SDL_Event e;
while (SDL_PollEvent(&e)) {
if (e.type == SDL_QUIT )
running = false;
else if (e.type == SDL_KEYDOWN) {
if (e.key.keysym.sym == SDLK_q)
running = false;
else if (e.key.keysym.sym == SDLK_s) {
if (FILE *f = fopen((basename + ".idx").c_str(), "wb")) {
SerialSaver s(f);
s & gen;
fclose(f);
//.........这里部分代码省略.........
示例2: Display
void Display(SDL_Surface *video) {
drawing_.Render(dest_);
dest_.BlitTo(video);
SDL_UpdateRect(video, 0, 0, dest_.Width(), dest_.Height());
}