static void windowDisplay(void)
{
glClear(GL_COLOR_BUFFER_BIT);
glRasterPos2i(0,0);
glPixelStorei(GL_UNPACK_ALIGNMENT,1);
glDrawPixels(img.width(), img.height(), GL_RGB, GL_UNSIGNED_BYTE, img.raw_data());
glFlush();
}
void animation() {
char filename[1024];
int totalPic = 120;
float blkSize = 2;
int pid = 0;
RGBImage sImg = imgs[0];
RGBImage fadeInImg = halftone(imgs[0], 2);
RGBImage fadeOutImg = halftone(imgs[1], 2);
float fadeInL = 10.0f, fadeOutL = 10.0f;
for(int i=0;i<fadeInL;i++,pid++) {
float ratio = 1.0 - i / (fadeInL-1.0);
sImg = ImageUtils::blend(imgs[0], fadeInImg, ratio);
img = ImageUtils::flip(sImg);
sprintf(filename, "img%d.png", pid);
saveImage(sImg, filename);
glClear(GL_COLOR_BUFFER_BIT);
glRasterPos2i(0,0);
glPixelStorei(GL_UNPACK_ALIGNMENT,1);
glDrawPixels(img.width(), img.height(), GL_RGB, GL_UNSIGNED_BYTE, img.raw_data());
glFlush();
}
float transitionL = 10.0f;
int tstartId = (totalPic-transitionL)/2;
float ratio=1.0;
for(int i=0;i<totalPic/2;i++, pid++) {
blkSize += 2;
currentBlkSize = Utils::clamp<int>(blkSize, 2, 1280);
ratio = 1.0 - Utils::clamp((pid - tstartId) / transitionL, 0.0f, 1.0f);
sImg = ImageUtils::blend(imgs[0], imgs[1], ratio);
RGBImage hImg = halftone(sImg, currentBlkSize);
img = ImageUtils::flip(hImg);
sprintf(filename, "img%d.png", pid);
saveImage(hImg, filename);
glClear(GL_COLOR_BUFFER_BIT);
glRasterPos2i(0,0);
glPixelStorei(GL_UNPACK_ALIGNMENT,1);
glDrawPixels(img.width(), img.height(), GL_RGB, GL_UNSIGNED_BYTE, img.raw_data());
glFlush();
}
for(int i=0;i<totalPic/2;i++, pid++) {
blkSize -= 2;
currentBlkSize = Utils::clamp<int>(blkSize, 2, 1280);
ratio = 1.0 - Utils::clamp((pid - tstartId) / transitionL, 0.0f, 1.0f);
sImg = ImageUtils::blend(imgs[0], imgs[1], ratio);
RGBImage hImg = halftone(sImg, currentBlkSize);
img = ImageUtils::flip(hImg);
sprintf(filename, "img%d.png", pid);
saveImage(hImg, filename);
glClear(GL_COLOR_BUFFER_BIT);
glRasterPos2i(0,0);
glPixelStorei(GL_UNPACK_ALIGNMENT,1);
glDrawPixels(img.width(), img.height(), GL_RGB, GL_UNSIGNED_BYTE, img.raw_data());
glFlush();
}
for(int i=0;i<fadeOutL;i++,pid++) {
float ratio = i / (fadeOutL-1.0);
sImg = ImageUtils::blend(imgs[1], fadeOutImg, ratio);
img = ImageUtils::flip(sImg);
sprintf(filename, "img%d.png", pid);
saveImage(sImg, filename);
glClear(GL_COLOR_BUFFER_BIT);
glRasterPos2i(0,0);
glPixelStorei(GL_UNPACK_ALIGNMENT,1);
glDrawPixels(img.width(), img.height(), GL_RGB, GL_UNSIGNED_BYTE, img.raw_data());
glFlush();
}
}
