/* Initialize the filter. */
static int
s_ISpecialDownScale_init(stream_state * st)
{
stream_ISpecialDownScale_state *const ss = (stream_ISpecialDownScale_state *) st;
gs_memory_t *mem = ss->memory;
ss->sizeofPixelIn = ss->params.BitsPerComponentIn / 8;
ss->sizeofPixelOut = ss->params.BitsPerComponentOut / 8;
ss->src_size =
ss->params.WidthIn * ss->sizeofPixelIn * ss->params.spp_interp;
ss->dst_size =
ss->params.WidthOut * ss->sizeofPixelOut * ss->params.spp_interp;
/* Initialize destination DDAs. */
ss->dst_x = 0;
ss->src_offset = ss->dst_offset = 0;
dda_init(ss->dda_x, 0, ss->params.WidthIn, ss->params.WidthOut);
ss->dda_x_init = ss->dda_x;
ss->src_y = ss->dst_y = 0;
dda_init(ss->dda_y, 0, ss->params.HeightOut, ss->params.HeightIn);
/* create intermediate image to hold horizontal zoom */
ss->tmp =
gs_alloc_byte_array(mem, ss->params.WidthOut * ss->params.spp_interp,
ss->sizeofPixelIn, "image_scale tmp");
/* Allocate buffers for 1 row of source and destination. */
ss->dst =
gs_alloc_byte_array(mem, ss->params.WidthOut * ss->params.spp_interp,
ss->sizeofPixelOut, "image_scale dst");
ss->src =
gs_alloc_byte_array(mem, ss->params.WidthIn * ss->params.spp_interp,
ss->sizeofPixelIn, "image_scale src");
if (ss->tmp == 0 || ss->dst == 0 || ss->src == 0) {
s_ISpecialDownScale_release(st);
return ERRC;
/****** WRONG ******/
}
return 0;
}
/// Startup code, run when we come out of reset
void init(void) {
halInit();
chSysInit();
#if defined(PORT_LED1) && defined(PIN_LED1)
palSetPadMode(PORT_LED1, PIN_LED1, PAL_MODE_OUTPUT_PUSHPULL);
#endif
#if defined(PORT_LED2) && defined(PIN_LED2)
palSetPadMode(PORT_LED2, PIN_LED2, PAL_MODE_OUTPUT_PUSHPULL);
#endif
// set up watchdog
wd_init();
// set up serial
serial_init();
// set up G-code parsing
gcode_init();
// set up inputs and outputs
io_init();
// set up timers
timer_init();
// read PID settings from EEPROM
heater_init();
// set up dda
dda_init();
// start up analog read interrupt loop,
// if any of the temp sensors in your config.h use analog interface
analog_init();
// set up temperature inputs
temp_init();
// enable interrupts
enable_irq();
// reset watchdog
wd_reset();
// say hi to host
serial_writestr_P(PSTR("start\nok\n"));
}
/// Startup code, run when we come out of reset
void init(void) {
// set up watchdog
wd_init();
// set up serial
serial_init();
// set up G-code parsing
gcode_init();
// set up inputs and outputs
io_init();
// set up timers
timer_init();
// read PID settings from EEPROM
heater_init();
// set up dda
dda_init();
// start up analog read interrupt loop,
// if any of the temp sensors in your config.h use analog interface
analog_init();
// set up temperature inputs
temp_init();
// enable interrupts
sei();
// reset watchdog
wd_reset();
// prepare the power supply
power_init();
// say hi to host
serial_writestr_P(PSTR("start\nok\n"));
}
void BezierPath::const_iterator::flatten(BezierPath::vertices& v,
Coord flat) const
{
unsigned int subdivisions;
vector2d<BezierPath::Coord> d1, d2, d3;
v.push_back(control_[0]);
switch(type()) {
case move:
return;
case line:
case close:
v.push_back(control_[1]);
return;
case parabolic:{
BezierPath::Point p1,p2;
p1.x() = (2*control_[1].x() + control_[0].x())/3.;
p1.y() = (2*control_[1].y() + control_[0].y())/3.;
p2.x() = (2*control_[1].x() + control_[2].x())/3.;
p2.y() = (2*control_[1].y() + control_[2].y())/3.;
subdivisions = compute_subdivisions(control_[0], p1,
p2, control_[2],
flat);
dda_init(control_[0], p1, p2, control_[2],
subdivisions, d1, d2, d3);
/*
subdivisions = compute_subdivisions(control_[0], control_[1],
control_[1], control_[2],
flat);
dda_init(control_[0], control_[1], control_[1], control_[2],
subdivisions, d1, d2, d3);
*/
}
break;
case cubic:
subdivisions = compute_subdivisions(control_[0], control_[1],
control_[2], control_[3],
flat);
dda_init(control_[0], control_[1], control_[2], control_[3],
subdivisions, d1, d2, d3);
break;
default:
assert(type() == line ||
type() == move ||
type() == parabolic ||
type() == cubic);
return;
}
int size = 1 << subdivisions;
v.reserve(v.size()+size);
point2d<BezierPath::Coord> c(control_[0].x(), control_[0][y_dimension]);
Point p;
for (int i = 0; i < (size-1); i++) {
c += d1;
p.x() = Coord(c.x());
p.y() = Coord(c.y());
v.push_back(p);
#ifdef FLATTEN_COUNT
++flatten_count;
#endif
d1 += d2;
d2 += d3;
}
v.push_back(control_[count()-1]);
}
