ImageBitmapFactories& ImageBitmapFactories::from(EventTarget& eventTarget)
{
if (LocalDOMWindow* window = eventTarget.toDOMWindow())
return fromInternal(*window);
ASSERT(eventTarget.executionContext()->isWorkerGlobalScope());
return ImageBitmapFactories::fromInternal(*toWorkerGlobalScope(eventTarget.executionContext()));
}
void Image::getPixel(int x, int y, int *red, int *green, int *blue)
{
if(x >= 0 && x < m_width && y >= 0 && y < m_height)
fromInternal(m_data[x][y], red, green, blue);
else
{
*red = -1;
*green = -1;
*blue = -1;
}
}
bool Image::save(string filename)
{
// Check filename and append .ppm
if(!endsWith(filename, ".ppm"))
filename += ".ppm";
// Open and write to file
ofstream file;
file.exceptions(ofstream::failbit | ofstream::badbit);
try
{
file.open(filename.c_str(), ofstream::binary | ofstream::trunc);
// Write the header
string tmp = "P6\n"; // Magic number
tmp += intToString(m_width) + " " + intToString(m_height) + "\n"; // Size
//tmp += "15\n"; // Max color
tmp += "255\n"; // Max color
file.write(tmp.c_str(), tmp.length());
// Write data
for(int y = 0; y < m_height; y++)
{
for(int x = 0; x < m_width; x++)
{
int red, green, blue;
fromInternal(m_data[x][y], &red, &green, &blue);
char color[3] = {(char) red, (char) green, (char) blue};
file.write((char*) color, 3);
}
}
}
catch(ofstream::failure e)
{
m_last_error = "Can't open or write to file " + filename;
return true;
}
file.close();
return false;
}
