bool BootAnimation::movie()
{
ZipFileRO& zip(mZip);
size_t numEntries = zip.getNumEntries();
ZipEntryRO desc = zip.findEntryByName("desc.txt");
FileMap* descMap = zip.createEntryFileMap(desc);
LOGE_IF(!descMap, "descMap is null");
if (!descMap) {
return false;
}
String8 desString((char const*)descMap->getDataPtr(),
descMap->getDataLength());
char const* s = desString.string();
Animation animation;
// Parse the description file
for (;;) {
const char* endl = strstr(s, "\n");
if (!endl) break;
String8 line(s, endl - s);
const char* l = line.string();
int fps, width, height, count, pause;
char path[256];
if (sscanf(l, "%d %d %d", &width, &height, &fps) == 3) {
//LOGD("> w=%d, h=%d, fps=%d", fps, width, height);
animation.width = width;
animation.height = height;
animation.fps = fps;
}
if (sscanf(l, "p %d %d %s", &count, &pause, path) == 3) {
//LOGD("> count=%d, pause=%d, path=%s", count, pause, path);
Animation::Part part;
part.count = count;
part.pause = pause;
part.path = path;
animation.parts.add(part);
}
s = ++endl;
}
// read all the data structures
const size_t pcount = animation.parts.size();
for (size_t i=0 ; i<numEntries ; i++) {
char name[256];
ZipEntryRO entry = zip.findEntryByIndex(i);
if (zip.getEntryFileName(entry, name, 256) == 0) {
const String8 entryName(name);
const String8 path(entryName.getPathDir());
const String8 leaf(entryName.getPathLeaf());
if (leaf.size() > 0) {
for (int j=0 ; j<pcount ; j++) {
if (path == animation.parts[j].path) {
int method;
// supports only stored png files
if (zip.getEntryInfo(entry, &method, 0, 0, 0, 0, 0)) {
if (method == ZipFileRO::kCompressStored) {
FileMap* map = zip.createEntryFileMap(entry);
if (map) {
Animation::Frame frame;
frame.name = leaf;
frame.map = map;
Animation::Part& part(animation.parts.editItemAt(j));
part.frames.add(frame);
}
}
}
}
}
}
}
}
// clear screen
glShadeModel(GL_FLAT);
glDisable(GL_DITHER);
glDisable(GL_SCISSOR_TEST);
glDisable(GL_BLEND);
glClear(GL_COLOR_BUFFER_BIT);
eglSwapBuffers(mDisplay, mSurface);
glBindTexture(GL_TEXTURE_2D, 0);
glEnable(GL_TEXTURE_2D);
glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
const int xc = (mWidth - animation.width) / 2;
const int yc = ((mHeight - animation.height) / 2);
nsecs_t lastFrame = systemTime();
nsecs_t frameDuration = s2ns(1) / animation.fps;
Region clearReg(Rect(mWidth, mHeight));
clearReg.subtractSelf(Rect(xc, yc, xc+animation.width, yc+animation.height));
for (int i=0 ; i<pcount && !exitPending() ; i++) {
const Animation::Part& part(animation.parts[i]);
const size_t fcount = part.frames.size();
glBindTexture(GL_TEXTURE_2D, 0);
for (int r=0 ; !part.count || r<part.count ; r++) {
for (int j=0 ; j<fcount && !exitPending(); j++) {
const Animation::Frame& frame(part.frames[j]);
if (r > 0) {
glBindTexture(GL_TEXTURE_2D, frame.tid);
} else {
if (part.count != 1) {
glGenTextures(1, &frame.tid);
glBindTexture(GL_TEXTURE_2D, frame.tid);
glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
}
initTexture(
frame.map->getDataPtr(),
frame.map->getDataLength());
}
if (!clearReg.isEmpty()) {
Region::const_iterator head(clearReg.begin());
Region::const_iterator tail(clearReg.end());
glEnable(GL_SCISSOR_TEST);
while (head != tail) {
const Rect& r(*head++);
glScissor(r.left, mHeight - r.bottom,
r.width(), r.height());
glClear(GL_COLOR_BUFFER_BIT);
}
glDisable(GL_SCISSOR_TEST);
}
glDrawTexiOES(xc, yc, 0, animation.width, animation.height);
eglSwapBuffers(mDisplay, mSurface);
nsecs_t now = systemTime();
nsecs_t delay = frameDuration - (now - lastFrame);
lastFrame = now;
long wait = ns2us(frameDuration);
if (wait > 0)
usleep(wait);
}
usleep(part.pause * ns2us(frameDuration));
}
// free the textures for this part
if (part.count != 1) {
for (int j=0 ; j<fcount ; j++) {
const Animation::Frame& frame(part.frames[j]);
glDeleteTextures(1, &frame.tid);
}
}
}
return false;
}
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