void Grafik::OnLButtonDown(UINT nFlags, CPoint point)
{
if (!PtInRect(&drawable, point)) return;
int x_hit = scale_point(point.x, drawable_width, value_width);
int y_hit = scale_point(point.y, drawable_height, value_height);
for (int row = 0; row < DemoData.get_anz_z(); row++)
{
if (!isSelected(row)) continue;
for (int column = von_value; column < bis_value; column++)
{
int x = scale_point(column, value_width, drawable_width);
int y = scale_point(DemoData.get_wert(row, column), value_height, drawable_height);
CRect hit;
hit.SetRect(x - 2 * 5, y - 2 * 5, x + 2 * 5, y + 2 * 5);
if (PtInRect(&hit, point)) //CPoint(x, y)))
{
highlighted[row] = !highlighted[row];
}
}
}
RedrawWindow();
CDialog::OnLButtonDown(nFlags, point);
}
// _InsertPoint
void
PathManipulator::_InsertPoint(BPoint where, int32 index)
{
double scale;
BPoint point;
BPoint pointIn;
BPoint pointOut;
BPoint previous;
BPoint previousOut;
BPoint next;
BPoint nextIn;
if (fPath->FindBezierScale(index - 1, where, &scale)
&& scale >= 0.0 && scale <= 1.0
&& fPath->GetPoint(index - 1, scale, point)) {
fPath->GetPointAt(index - 1, previous);
fPath->GetPointOutAt(index - 1, previousOut);
fPath->GetPointAt(index, next);
fPath->GetPointInAt(index, nextIn);
where = scale_point(previousOut, nextIn, scale);
previousOut = scale_point(previous, previousOut, scale);
nextIn = scale_point(next, nextIn, 1 - scale);
pointIn = scale_point(previousOut, where, scale);
pointOut = scale_point(nextIn, where, 1 - scale);
if (fPath->AddPoint(point, index)) {
fPath->SetPointIn(index, pointIn);
fPath->SetPointOut(index, pointOut);
delete fInsertPointCommand;
fInsertPointCommand = new InsertPointCommand(fPath, index,
fSelection->Items(),
fSelection->CountItems());
fPath->SetPointOut(index - 1, previousOut);
fPath->SetPointIn(index + 1, nextIn);
fCurrentPathPoint = index;
_ShiftSelection(fCurrentPathPoint, 1);
_Select(fCurrentPathPoint, fShiftDown);
}
}
}
void SoftwareRendererImp::rasterize_triangle( float x0, float y0,
float x1, float y1,
float x2, float y2,
Color color ) {
//modify task 2: scale up the point location:
/*
x0 = 100.0 + 000.0;
y0 = 000.0;
x1 = 100.0 + 000.0;
y1 = 100.0;
x2 = 100.0 + 100.0;
y2 = 100.0;
*/
//printf("Color: (%f, %f, %f, %f)\n", color.r, color.g, color.b, color.a);
scale_point(x0, y0, sample_rate);
scale_point(x1, y1, sample_rate);
scale_point(x2, y2, sample_rate);
// Task 2:
// Implement triangle rasterization
// Method 1: use bounding box, does not consider "edge rule"
if (!cclock(x0, y0, x1, y1, x2, y2)) {
//printf("before swap: (%f, %f, %f, %f)", x0, y0, x1, y1);
swapPoints(x1, y1, x2, y2);
//printf("after swap: (%f, %f, %f, %f)", x0, y0, x1, y1);
}
float lowX, highX, lowY, highY;
lowX = (floor(min(min(x0, x1), x2))) + 0.5;
lowY = (floor(min(min(y0, y1), y2))) + 0.5;
highX = (ceil(max(max(x0, x1), x2))) - 0.5;
highY = (ceil(max(max(y0, y1), y2))) - 0.5;
for ( float x = lowX; x <= highX; x += 1 ) {
for (float y = lowY; y <= highY; y += 1 ) {
if (lineSide(x, y, x0, y0, x1, y1) &&
lineSide(x, y, x1, y1, x2, y2) &&
lineSide(x, y, x2, y2, x0, y0)) {
rasterize_point(x, y, color);
}
}
}
}
void Grafik::OnLButtonDblClk(UINT nFlags, CPoint point)
{
if (!PtInRect(&drawable, point)) return;
int x_hit = scale_point(point.x, drawable_width, value_width);
int y_hit = scale_point(point.y, drawable_height, value_height);
for (int row = 0; row < DemoData.get_anz_z(); row++)
{
if (!isSelected(row)) continue;
for (int column = von_value; column < bis_value; column++)
{
int x = scale_point(column, value_width, drawable_width);
int y = scale_point(DemoData.get_wert(row, column), value_height, drawable_height);
CRect hit;
hit.SetRect(x - 2 * 5, y - 2 * 5, x + 2 * 5, y + 2 * 5);
if (PtInRect(&hit, point)) //CPoint(x, y)))
{
//Auswahl -> Datenreihe
//TODO: Get this to work
EinDaten ed;
ed.auswahl = row;
ed.nummer = column;
ed.wert = DemoData.get_wert(y_hit, x_hit);
if (ed.DoModal())// == IDOK)
{
RedrawWindow();
}
}
}
}
CDialog::OnLButtonDblClk(nFlags, point);
}
void SoftwareRendererImp::rasterize_line( float x0, float y0,
float x1, float y1,
Color color) {
// Task 1:
// Implement line rasterization
scale_point(x0, y0, sample_rate);
scale_point(x1, y1, sample_rate);
if (x0 > x1) {
swapPoints(x0, y0, x1, y1);
}
int sx0 = (int) floor(x0);
int sy0 = (int) floor(y0);
int sx1 = (int) floor(x1);
int sy1 = (int) floor(y1);
float k;
if (sx1 == sx0) {
int low = min(sy0, sy1);
int high = max(sy0, sy1);
for ( int y = low; y <= high; y++ ) {
SoftwareRendererImp::rasterize_point((float) x0, (float) y, color);
}
}
else {
k = (y1 - y0)/(x1 - x0);
//fitst positive oct
if (0.0 <= k && k <= 1.0) {
int dx = sx1 - sx0,
dy = sy1 - sy0,
y = sy0,
eps = 0;
for ( int x = sx0; x <= sx1; x++ ) {
SoftwareRendererImp::rasterize_point((float) x, (float) y, color);
eps += dy;
if ( (eps << 1) >= dx ) {
y++; eps -= dx;
}
}
}
//second positive oct
if (k > 1.0 && sx1 != sx0) {
int dx = sx1 - sx0,
dy = sy1 - sy0,
x = sx0,
eps = 0;
for ( int y = sy0; y <= sy1; y++ ) {
SoftwareRendererImp::rasterize_point((float) x, (float) y, color);
eps += dx;
if ( (eps << 1) >= dy ) {
x++; eps -= dy;
}
}
}
if (k <= -1.0) {
int dx = sx1 - sx0,
dy = sy1 - sy0,
x = sx0,
eps = 0;
for ( int y = sy0; y >= sy1; y-- ) {
SoftwareRendererImp::rasterize_point((float) x, (float) y, color);
eps -= dx;
if ( (eps << 1) <= dy ) {
x++; eps -= dy;
}
}
}
if (-1.0 <= k && k <= 0.0) {
int dx = sx1 - sx0,
dy = sy1 - sy0,
y = sy0,
eps = 0;
for ( int x = sx0; x <= sx1; x++ ) {
SoftwareRendererImp::rasterize_point((float) x, (float) y, color);
eps += dy;
if ( (eps << 1) <= -dx ) {
y--; eps += dx;
}
}
}
}
}
int svg_plot(config *cfg, plot_info *pi, data_set *ds) {
svg_theme *theme = cfg->svg_theme;
svg_printf_header(pi->w, pi->h);
svg_printf_frame(pi->w, pi->h, theme->bg_color, theme->border_width, theme->border_color);
if (cfg->axis) {
draw_calc_axis_pos(pi);
svg_printf_axis(pi, theme);
}
transform_t transform = scale_get_transform(pi->log_x, pi->log_y);
for (uint8_t c = 0; c < ds->columns; c++) {
char *color = get_color(c, theme);
point *column = ds->pairs[c];
if (cfg->mode == MODE_LINE) {
bool beginning_line = true;
for (size_t i = 0; i < ds->rows; i++) {
point *p = &column[i];
if (IS_EMPTY(p->x) || IS_EMPTY(p->y)) {
if (!beginning_line) {
svg_printf_end_polyline(color, theme->line_width);
}
beginning_line = true;
continue;
}
if (beginning_line) {
svg_printf_begin_polyline();
beginning_line = false;
}
scaled_point sp;
scale_point(pi, p, &sp, transform);
svg_printf_polyline_point(sp.x, sp.y);
}
svg_printf_end_polyline(color, theme->line_width);
} else {
for (size_t i = 0; i < ds->rows; i++) {
point *p = &column[i];
scaled_point sp;
scale_point(pi, p, &sp, transform);
if (IS_EMPTY(p->x) || IS_EMPTY(p->y)) { continue; }
size_t point_size = SVG_DEF_POINT_SIZE;
if (pi->counters) {
size_t count = counter_get(pi->counters[c], sp.x, sp.y);
point_size = SVG_DEF_POINT_SIZE + (cfg->log_count ? log(count) : count);
}
svg_printf_circle(sp.x, sp.y, point_size, color);
}
}
if (cfg->regression) {
double slope = 0;
double intercept = 0;
regression(column, ds->rows, transform, &slope, &intercept);
svg_printf_regression_line(pi, color, slope, intercept);
}
}
svg_printf_end();
return 0;
}
void Grafik::OnPaint()
{
CPaintDC dc(this);
dc.FillRect(&drawable, &stdbrush.white);
dc.FrameRect(&drawable, &stdbrush.black);
int min_value = INT_MAX;
int max_value = INT_MIN;
for (int i = 0; i < DemoData.get_anz_z(); i++)
{
if (DemoData.minimum(i) < min_value)
min_value = DemoData.minimum(i);
if (DemoData.maximum(i) > max_value)
max_value = DemoData.maximum(i);
}
drawable_height = CSize(drawable.bottom, drawable.top);
value_height = CSize(min_value, max_value);
drawable_width = CSize(drawable.left, drawable.right);
value_width = CSize(0, (bis_value - von_value - 1));
dc.SelectObject(&stdpen.gray1);
for (int column = von_value + 1; column < bis_value; column++)
{
int x = scale_point(column, value_width, drawable_width);
dc.MoveTo(x, drawable.bottom);
dc.LineTo(x, drawable.top);
}
dc.SelectObject(&stdpen.black7);
//For highlighting
for (int row = 0; row < DemoData.get_anz_z(); row++)
{
if (!isSelected(row)) continue;
if (!highlighted[row]) continue;
int x = scale_point(von_value, value_width, drawable_width);
int y = scale_point(DemoData.get_wert(row, von_value), value_height, drawable_height);
dc.MoveTo(x, y);
for (int column = von_value + 1; column < bis_value; column++)
{
int x = scale_point(column, value_width, drawable_width);
int y = scale_point(DemoData.get_wert(row, column), value_height, drawable_height);
dc.LineTo(x, y);
}
}
for (int row = 0; row < DemoData.get_anz_z(); row++)
{
if (!isSelected(row)) continue;
dc.SelectObject(&stdpen.pen[row]);
int x = scale_point(von_value, value_width, drawable_width);
int y = scale_point(DemoData.get_wert(row, von_value), value_height, drawable_height);
dc.MoveTo(x, y);
for (int column = von_value + 1; column < bis_value; column++)
{
int x = scale_point(column, value_width, drawable_width);
int y = scale_point(DemoData.get_wert(row, column), value_height, drawable_height);
dc.LineTo(x, y);
//Infobox
if (highlighted[row])
{
CRect infobox;
infobox.SetRect(x, y, 0, 0);
CString text;
text.Format(CString("%d"), DemoData.get_wert(row, column));
dc.DrawText(text, &infobox, DT_CALCRECT);
infobox.OffsetRect(0, -infobox.Height());
infobox.right += 6;
dc.FillRect(infobox, &stdbrush.yellow);
dc.DrawText(text, &infobox, DT_CENTER | DT_SINGLELINE | DT_VCENTER);
dc.FrameRect(infobox, &stdbrush.black);
}
}
}
}
static void *
ucb1x00tsEventThread( DirectThread *thread, void *driver_data )
{
ucb1x00TSData *data = (ucb1x00TSData*) driver_data;
TS_EVENT ts_event;
int readlen;
unsigned short old_x = -1;
unsigned short old_y = -1;
unsigned short old_pressure = 0;
while ((readlen = read(data->fd, &ts_event, sizeof(TS_EVENT))) > 0 ||
errno == EINTR)
{
DFBInputEvent evt;
direct_thread_testcancel( thread );
if (readlen < 1)
continue;
filter_event( &ts_event );
scale_point( &ts_event );
ts_event.pressure = (ts_event.pressure > config.zthresh );
if (ts_event.pressure) {
if (ts_event.x != old_x) {
evt.type = DIET_AXISMOTION;
evt.flags = DIEF_AXISABS;
evt.axis = DIAI_X;
evt.axisabs = ts_event.x;
dfb_input_dispatch( data->device, &evt );
old_x = ts_event.x;
}
if (ts_event.y != old_y) {
evt.type = DIET_AXISMOTION;
evt.flags = DIEF_AXISABS;
evt.axis = DIAI_Y;
evt.axisabs = ts_event.y;
dfb_input_dispatch( data->device, &evt );
old_y = ts_event.y;
}
}
if ((ts_event.pressure && !old_pressure) ||
(!ts_event.pressure && old_pressure)) {
evt.type = (ts_event.pressure ?
DIET_BUTTONPRESS : DIET_BUTTONRELEASE);
evt.flags = DIEF_NONE;
evt.button = DIBI_LEFT;
dfb_input_dispatch( data->device, &evt );
old_pressure = ts_event.pressure;
}
}
if (readlen <= 0)
D_PERROR ("ucb1x00 Touchscreen thread died\n");
return NULL;
}
