void resize_and_rescale(double scale)
{
int docwidth,docheight;
double docscale;
int sp_inner;
double ltrimpct=0.0,rtrimpct=0.0;
//ewl_object_maximum_h_set(EWL_OBJECT(pdfwidget),99999);
//ewl_object_minimum_h_set(EWL_OBJECT(pdfwidget),0);
sp_inner=CURRENT_W(scrollpane)-INSET_HORIZONTAL(scrollpane)-PADDING_HORIZONTAL(scrollpane);
//if(EWL_SCROLLPANE(scrollpane)->vflag)
// sp_inner-=CURRENT_W(EWL_OBJECT(EWL_SCROLLPANE(scrollpane)->vscrollbar));
//ewl_pdf_size_get(EWL_PDF(pdfwidget),&docwidth,&docheight);
epdf_page_size_get (EWL_PDF(pdfwidget)->pdf_page,&docwidth,&docheight);
if(fitmode==0)
docscale=((double)sp_inner)/((double)docwidth)*scale;
else if(fitmode==1)
{
ltrimpct=((double)get_settings()->ltrimpad)/((double)docwidth);
rtrimpct=((double)get_settings()->rtrimpad)/((double)docwidth);
docscale=((double)sp_inner)/((1.0-leftmarge+ltrimpct-rightmarge+rtrimpct)*((double)docwidth))*scale;
}
ewl_pdf_scale_set(EWL_PDF(pdfwidget),docscale,docscale);
//ewl_object_custom_w_set(EWL_OBJECT(pdfwidget),floor(((double)sp_inner)*scale));
//ewl_object_custom_w_set(EWL_OBJECT(pdfwidget),floor(((double)sp_inner)*scale));
//ewl_object_custom_h_set(EWL_OBJECT(pdfwidget),floor(((double)docheight)/((double)docwidth)*((double)sp_inner)*scale));
ewl_object_custom_w_set(EWL_OBJECT(pdfwidget),floor(((double)docwidth)*docscale));
ewl_object_custom_h_set(EWL_OBJECT(pdfwidget),floor(((double)docheight)*docscale));
//ewl_object_position_request(EWL_OBJECT(pdfwidget),0,0);
ewl_widget_configure(pdfwidget);
//ewl_object_custom_w_set(EWL_OBJECT(trimpane),floor(((double)docwidth)*docscale));
//ewl_object_custom_h_set(EWL_OBJECT(trimpane),floor(((double)docheight)*docscale));
ewl_object_custom_w_set(EWL_OBJECT(trimpane),floor(((double)sp_inner)*scale));
ewl_object_custom_h_set(EWL_OBJECT(trimpane),floor(((double)docheight)*docscale));
ewl_object_position_request(EWL_OBJECT(trimpane),0,0);
//ewl_object_place(EWL_OBJECT(pdfwidget),0,0,floor(((double)docwidth)*docscale),floor(((double)docheight)*docscale));
ewl_widget_configure(trimpane);
ewl_widget_configure(scrollpane);
if(fitmode==0)
ewl_scrollpane_hscrollbar_value_set(EWL_SCROLLPANE(trimpane),0.0);
else if(fitmode==1)
ewl_scrollpane_hscrollbar_value_set(EWL_SCROLLPANE(trimpane),(leftmarge-ltrimpct)/(leftmarge-ltrimpct+rightmarge-rtrimpct));
}
static void move_hscrollbar(Ewl_Scrollpane *s, double direction)
{
double rel, abs;
get_horizontal_pan_inc(&rel, &abs);
rel *= direction;
ewl_scrollpane_hscrollbar_value_set(s,
scroll_pos_add(ewl_scrollpane_hscrollbar_value_get(s), rel));
update_statusbar();
}
/* Swap scrollbar values after an orientation change.
* direction == -1 -> turn clockwise, 1 -> counter-clockwise. */
static void turn_scrollbars(Ewl_Scrollpane *s, int direction)
{
double h = from_scroll_position(ewl_scrollpane_hscrollbar_value_get(s));
double v = from_scroll_position(ewl_scrollpane_vscrollbar_value_get(s));
double new_h = v * direction;
double new_v = -h * direction;
ewl_scrollpane_hscrollbar_value_set(s, to_scroll_position(new_h));
ewl_scrollpane_vscrollbar_value_set(s, to_scroll_position(new_v));
update_statusbar();
}
static void move_hscrollbar(Ewl_Scrollpane *s, double amount)
{
ewl_scrollpane_hscrollbar_value_set(s,
clamp(0.0, ewl_scrollpane_hscrollbar_value_get(s) + amount, 1.0));
update_statusbar();
}
void resize_and_rescale(double scale)
{
int docwidth,docheight;
double docscale;
double ltrimpct=0.0,rtrimpct=0.0;
int sp_inner_w = CURRENT_W(scrollpane) - INSET_HORIZONTAL(scrollpane) -
PADDING_HORIZONTAL(scrollpane);
int sp_inner_h = CURRENT_H(scrollpane) - INSET_VERTICAL(scrollpane) -
PADDING_VERTICAL(scrollpane);
hide_hint(NULL);
page_size_get(&docwidth, &docheight);
int orientation_horizontal;
switch(epdf_page_orientation_get(EWL_PDF(pdfwidget)->pdf_page)) {
case EPDF_PAGE_ORIENTATION_PORTRAIT:
case EPDF_PAGE_ORIENTATION_UPSIDEDOWN:
orientation_horizontal = 0;
break;
case EPDF_PAGE_ORIENTATION_LANDSCAPE:
case EPDF_PAGE_ORIENTATION_SEASCAPE:
orientation_horizontal = 1;
}
if(fitmode==0) {
if(orientation_horizontal)
docscale = ((double)sp_inner_h)/((double)docheight)*scale;
else // orientation vertical
docscale = ((double)sp_inner_w)/((double)docwidth)*scale;
}
else if(fitmode==1)
{
ltrimpct=((double)get_settings()->ltrimpad)/((double)docwidth);
rtrimpct=((double)get_settings()->rtrimpad)/((double)docwidth);
docscale=((double)sp_inner_w)/((1.0-leftmarge+ltrimpct-rightmarge+rtrimpct)*((double)docwidth))*scale;
}
ewl_pdf_scale_set(EWL_PDF(pdfwidget),docscale,docscale);
ewl_object_custom_w_set(EWL_OBJECT(pdfwidget),floor(((double)docwidth)*docscale));
ewl_object_custom_h_set(EWL_OBJECT(pdfwidget),floor(((double)docheight)*docscale));
ewl_widget_configure(pdfwidget);
if(orientation_horizontal) {
ewl_object_custom_w_set(EWL_OBJECT(trimpane),
floor(((double)docwidth)*docscale));
ewl_object_custom_h_set(EWL_OBJECT(trimpane),
floor(((double)sp_inner_h)*scale));
} else {
ewl_object_custom_w_set(EWL_OBJECT(trimpane),
floor(((double)sp_inner_w)*scale));
ewl_object_custom_h_set(EWL_OBJECT(trimpane),
floor(((double)docheight)*docscale));
}
ewl_object_position_request(EWL_OBJECT(trimpane),0,0);
ewl_widget_configure(trimpane);
ewl_widget_configure(scrollpane);
if(fitmode==0)
ewl_scrollpane_hscrollbar_value_set(EWL_SCROLLPANE(trimpane),0.0);
else if(fitmode==1)
ewl_scrollpane_hscrollbar_value_set(EWL_SCROLLPANE(trimpane),(leftmarge-ltrimpct)/(leftmarge-ltrimpct+rightmarge-rtrimpct));
}