bool MainWindow::first_draw(const Cairo::RefPtr<Cairo::Context>& cr)
{
Gtk::Allocation allocation = m_first.get_allocation();
cr->set_source_rgba(0, 0, 0, 1);
cr->rectangle(0, 0, allocation.get_width(), allocation.get_height());
cr->fill();
if(m_png)
{
cr->set_source(m_png, 0, 0);
cr->paint();
}
return true;
}
//! Composited all layers into the first layer
void Renderer::compositeLayers(CairoLayer layers[]) const
{
Cairo::RefPtr<Cairo::Context> cr = layers[0].cr;
cr->save();
for (int i = 1; i < LAYER_NUM; i++) {
layers[i].surface->flush();
cr->set_source(layers[i].surface, 0.0, 0.0);
cr->paint();
layers[i].clear();
}
cr->restore();
}
virtual bool on_expose_event(GdkEventExpose* event) {
Glib::RefPtr<Gdk::Window> window = get_window();
if (!window || !m_surface)
return true;
Cairo::RefPtr<Cairo::Context> cr = window->create_cairo_context();
cr->rectangle(event->area.x, event->area.y, event->area.width, event->area.height);
cr->clip();
cr->set_source(m_surface, 0, 0);
cr->paint();
return true;
}
bool on_draw(const Cairo::RefPtr<Cairo::Context>& c) {
Gtk::Allocation allocation = get_allocation();
const int width = allocation.get_width();
const int height = allocation.get_height();
RefPtr<ImageSurface> img = gm.get_surface();
double s = get_scale();
if (s < 1.0)
c->scale(s,s);
c->set_source_rgb(0, 0, 0);
c->paint();
c->set_source(img, 0, 0);
c->paint();
return true;
}
void ItemView::drawInnerShadow(const Cairo::RefPtr<Cairo::Context>& cr, const int width, const int height)
{
cr->set_antialias(Cairo::ANTIALIAS_DEFAULT);
const int SIZE = height * 0.1;
const double ALPHA = 0.2;
const int x = TIME_WIDTH - SIZE;
const int y = 0;
Cairo::RefPtr<Cairo::LinearGradient> linearGradient = Cairo::LinearGradient::create(x, y, x + SIZE, y);
linearGradient->add_color_stop_rgba(0, 0.00, 0.00, 0.00, 0.0);
linearGradient->add_color_stop_rgba(1, 0.00, 0.00, 0.00, ALPHA);
cr->set_source(linearGradient);
cr->rectangle(x, y, SIZE, height);
cr->fill();
}
bool ImageDrawable::on_draw(const Cairo::RefPtr<Cairo::Context> &cr) {
Gtk::Allocation allocation = get_allocation();
//cout << "draw " << awidth << "x" << aheight << endl;
auto surface = Cairo::ImageSurface::create(Cairo::Format::FORMAT_RGB24, allocation.get_width(), allocation.get_height());
auto cr2 = Cairo::Context::create(surface);
copyCairoClip(cr, cr2);
drawImage(cr2, allocation);
//auto start = chrono::steady_clock::now();
cr->set_source(surface, 0, 0);
cr->paint();
//auto stop = chrono::steady_clock::now();
//cout << "copy " << chrono::duration_cast<chrono::milliseconds>(stop - start).count() << "ms" << endl;
return true;
}
void CairoPlugin::copy()
{
if (m_init) {
init();
}
if (m_need) {
Cairo::RefPtr < Cairo::Context > ctx = Cairo::Context::create(m_store);
ctx->save();
ctx->set_source(m_img, 0.0, 0.0);
ctx->paint();
ctx->restore();
m_need = false;
m_copydone = true;
}
}
void CardWidget::Draw(Cairo::RefPtr<Cairo::Context> cr, int x, int y)
{
bool highlight = highlightOnHover && isMouseInArea;
Cairo::RefPtr<Cairo::ImageSurface> image = PrefSlots::getImagesStorage().GetCardImage(card);
cr->save();
cr->translate(x, y);
cr->scale(1.0 * width / image->get_width(), 1.0 * height / image->get_height());
cr->rectangle(0, 0, image->get_width(), image->get_height());
cr->clip();
if( highlight ) {
cr->save();
cr->set_source_rgb(0.1, 0.8, 0.1);
cr->paint();
cr->restore();
}
cr->set_source(image, 0, 0);
cr->paint_with_alpha( highlight ? 0.7 : 1.0 );
cr->restore();
}
/** Post-process files. Only valid for PNGs. */
void postprocess()
{
printf("Post-processing PNG files, resizing to %fx%f\n", maxwidth, maxheight);
struct dirent *d;
DIR *output_dir = opendir(outdir.c_str());
while ((d = readdir(output_dir)) != NULL) {
if (fnmatch("*.png", d->d_name, FNM_PATHNAME | FNM_PERIOD) == 0) {
infile = outdir + "/" + d->d_name;
Cairo::RefPtr<Cairo::ImageSurface> imgs = Cairo::ImageSurface::create_from_png(infile);
if ( (imgs->get_height() != maxheight) || (imgs->get_width() != maxwidth)) {
// need to re-create
char *tmpout = strdup((outdir + "/tmpXXXXXX").c_str());
FILE *f = fdopen(mkstemp(tmpout), "w");
outfile = tmpout;
free(tmpout);
Cairo::RefPtr<Cairo::ImageSurface> outs = Cairo::ImageSurface::create(Cairo::FORMAT_ARGB32,
(int)ceilf(maxwidth),
(int)ceilf(maxheight));
double tx = (maxwidth - imgs->get_width()) / 2.0;
double ty = (maxheight - imgs->get_height()) / 2.0;
printf("Re-creating %s for post-processing, "
"resizing from %ix%i, tx=%f, ty=%f\n", infile.c_str(),
imgs->get_width(), imgs->get_height(), tx, ty);
Cairo::RefPtr<Cairo::Context> cc = Cairo::Context::create(outs);
if (white_bg) {
cc->set_source_rgb(1, 1, 1);
cc->paint();
}
cc->set_source(imgs, tx, ty);
cc->paint();
outs->write_to_png(&SkillGuiBatchRenderer::write_func, f);
imgs.clear();
cc.clear();
outs.clear();
fclose(f);
rename(outfile.c_str(), infile.c_str());
}
}
}
closedir(output_dir);
}
bool level_editor::tileset_display::on_expose_event(GdkEventExpose* event) {
Glib::RefPtr<Gdk::Window> window = get_window();
if (!window || !m_surface)
return true;
Cairo::RefPtr<Cairo::Context> cr = window->create_cairo_context();
cr->rectangle(event->area.x, event->area.y, event->area.width, event->area.height);
cr->clip();
cr->set_source(m_surface, 0, 0);
cr->paint();
// Show selection rectangle when we are selecting
if (m_selecting
|| ((m_select_x != m_select_end_x || m_select_y != m_select_end_y)
&& m_preferences.sticky_tile_selection)) {
const int x = std::min(m_select_x, m_select_end_x) * m_tile_width;
const int y = std::min(m_select_y, m_select_end_y) * m_tile_height;
const int w = (std::abs(m_select_x - m_select_end_x))
* m_tile_width;
const int h = (std::abs(m_select_y - m_select_end_y))
* m_tile_height;
cr->save();
cr->rectangle(x, y, w, h);
// TODO: move selection color somewhere else (preferences?)
cr->set_source_rgb(0.7, 1, 1);
if (m_preferences.selection_background) {
cr->stroke_preserve();
cr->set_source_rgba(0.7, 1, 0, 0.2);
cr->fill();
} else {
cr->stroke();
}
cr->restore();
}
return true;
}
void NodeSurface::DrawIcon(
Cairo::RefPtr<Cairo::Context> refCairo,
Cairo::RefPtr<Cairo::ImageSurface> refIconSurface,
Glib::RefPtr<Gdk::Pixbuf> pixbufIcon,
int x,
int y )
{
refCairo->save();
Cairo::RefPtr<Cairo::Context> refCairoIcon = Cairo::Context::create(refIconSurface);
Gdk::Cairo::set_source_pixbuf( refCairoIcon, pixbufIcon, 0.0, 0.0 );
refCairoIcon->paint();
int width = pixbufIcon->get_width();
int height = pixbufIcon->get_height();
refCairo->set_source( refIconSurface, x - (width/2), y - (height/2) );
refCairo->paint();
refCairo->restore();
}
void NodeRenderer::icon(const Cairo::RefPtr<Cairo::Context>& cr, IconCache& cache)
{
// path to icon not set
if (s->icon.str().size() == 0 || s->icon_width == 0.0 || s->icon_height == 0.0)
return;
cr->save();
Cairo::RefPtr<Cairo::ImageSurface> image = cache.getIcon(s->icon.str());
double width = s->icon_width < 0 ? image->get_width() : s->icon_width;
double height = s->icon_height < 0 ? image->get_height() : s->icon_height;
double x0 = floor(location.x - width/2.0);
double y0 = floor(location.y - height/2.0);
cr->translate(x0, y0);
cr->scale(width / image->get_width(),
height / image->get_height());
cr->set_source(image, 0, 0);
cr->paint();
cr->restore();
}
bool avatar::on_draw(const Cairo::RefPtr<Cairo::Context>& cr) {
Glib::RefPtr<Gtk::StyleContext> style = get_style_context();
int w = get_allocated_width();
int h = get_allocated_height();
auto surface = Cairo::ImageSurface::create(Cairo::FORMAT_ARGB32, w * get_scale_factor(), h * get_scale_factor());
auto tmp_cr = Cairo::Context::create(surface);
tmp_cr->scale(get_scale_factor(), get_scale_factor());
// Render image
Glib::RefPtr<Gdk::Pixbuf> pix = property_pixbuf();
if (pix) {
tmp_cr->save();
double pw = pix->get_width();
double ph = pix->get_height();
tmp_cr->scale(w/pw, h/ph);
Gdk::Cairo::set_source_pixbuf(tmp_cr, pix);
tmp_cr->paint();
tmp_cr->restore();
}
// Render the background
tmp_cr->set_operator(Cairo::OPERATOR_DEST_ATOP);
style->render_background(tmp_cr, 0, 0, w, h);
// Change to default operator
tmp_cr->set_operator(Cairo::OPERATOR_OVER);
// Render frame
style->render_frame(tmp_cr, 0, 0, w, h);
// Render to the right surface
cr->scale(1.0/get_scale_factor(), 1.0/get_scale_factor());
cr->set_source(surface, 0, 0);
cr->paint();
return false;
}
void ImageWidget::redrawWithoutChanges(Cairo::RefPtr<Cairo::Context> cairo, unsigned width, unsigned height)
{
if(_isInitialized) {
cairo->set_source_rgb(1.0, 1.0, 1.0);
cairo->set_line_width(1.0);
cairo->rectangle(0, 0, width, height);
cairo->fill();
int
destWidth = width - (int) floor(_leftBorderSize + _rightBorderSize),
destHeight = height - (int) floor(_topBorderSize + _bottomBorderSize),
sourceWidth = _imageSurface->get_width(),
sourceHeight = _imageSurface->get_height();
cairo->save();
cairo->translate((int) round(_leftBorderSize), (int) round(_topBorderSize));
cairo->scale((double) destWidth / (double) sourceWidth, (double) destHeight / (double) sourceHeight);
Cairo::RefPtr<Cairo::SurfacePattern> pattern = Cairo::SurfacePattern::create(_imageSurface);
pattern->set_filter(_cairoFilter);
cairo->set_source(pattern);
cairo->rectangle(0, 0, sourceWidth, sourceHeight);
cairo->clip();
cairo->paint();
cairo->restore();
cairo->set_source_rgb(0.0, 0.0, 0.0);
cairo->rectangle(round(_leftBorderSize), round(_topBorderSize), destWidth, destHeight);
cairo->stroke();
if(_showColorScale)
_colorScale->Draw(cairo);
if(_showXYAxes)
{
_vertScale->Draw(cairo);
_horiScale->Draw(cairo);
}
if(_plotTitle != 0)
_plotTitle->Draw(cairo);
}
}
void
FourdThumbnailer::receive_frame(Cairo::RefPtr<Cairo::ImageSurface> img, gint64 pos)
{
if (!m_buffer)
{
m_buffer = Cairo::ImageSurface::create(Cairo::FORMAT_RGB24,
img->get_width() * 10,
img->get_height());
}
Cairo::RefPtr<Cairo::Context> cr = Cairo::Context::create(m_buffer);
int slice_width = m_buffer->get_width() / m_slices;
cr->rectangle((slice_width * m_count), 0,
slice_width, m_buffer->get_height());
cr->clip();
cr->begin_new_path();
cr->set_source(img, m_count * (m_buffer->get_width() - img->get_width()) / (m_slices-1), 0);
cr->paint();
m_count += 1;
}
void ImageDrawable::drawImage(const Cairo::RefPtr<Cairo::Context> &cr, const Gtk::Allocation &allocation) {
auto image = images->current();
auto surface = image->getPrimary();
int rwidth, rheight;
double rscale;
double rx, ry;
//cout << "image " << iwidth << "x" << iheight << " " << iorientation.first << "," << iorientation.second << endl;
calcRenderedImage(image, allocation, rwidth, rheight, rscale, rx, ry);
cr->translate(rx, ry);
cr->scale(rscale, rscale);
waiting = !surface;
if (image->isPrimaryFailed()) {
// TODO display fancy failed indicator
cr->set_source_rgb(0.75, 0.5, 0.5);
cr->rectangle(0, 0, rwidth, rheight);
cr->clip();
cr->paint();
return;
} else if (!surface) {
// TODO display fancy loading animation
cr->set_source_rgb(0.5, 0.75, 0.5);
cr->rectangle(0, 0, rwidth, rheight);
cr->clip();
cr->paint();
return;
}
switch (image->getOrientation().first) {
case Image::Rotate::ROTATE_NONE:
break;
case Image::Rotate::ROTATE_90:
cr->translate(image->height(), 0);
cr->rotate_degrees(90);
break;
case Image::Rotate::ROTATE_180:
cr->translate(image->width(), image->height());
cr->rotate_degrees(180);
break;
case Image::Rotate::ROTATE_270:
cr->translate(0, image->width());
cr->rotate_degrees(270);
break;
}
if (image->getOrientation().second) {
cr->translate(image->width(), 0);
cr->scale(-1, 1);
}
auto pattern = Cairo::SurfacePattern::create(surface);
pattern->set_filter(Cairo::Filter::FILTER_FAST);
cr->set_source(pattern);
//auto start = chrono::steady_clock::now();
cr->paint();
//auto stop = chrono::steady_clock::now();
//cout << "paint " << chrono::duration_cast<chrono::milliseconds>(stop - start).count() << "ms" << endl;
if (afPoints) {
//start = chrono::steady_clock::now();
auto properties = image->getProperties();
valarray<double> dashes(5.0 / rscale, 5.0 / rscale);
cr->save();
cr->set_operator(static_cast<Cairo::Operator>(CAIRO_OPERATOR_DIFFERENCE));
for (auto &rect : properties.focusPoints) {
if (properties.focusPointsActive.find(rect) != properties.focusPointsActive.cend()) {
cr->set_source_rgb(1, 0, 1);
cr->set_line_width(4.0 / rscale);
cr->unset_dash();
} else if (properties.focusPointsSelected.find(rect) != properties.focusPointsSelected.cend()) {
cr->set_source_rgb(1, 0, 0);
cr->set_line_width(2.0 / rscale);
cr->unset_dash();
} else {
cr->set_source_rgb(1, 1, 1);
cr->set_line_width(1.0 / rscale);
cr->set_dash(dashes, 0);
}
cr->rectangle(rect.x, rect.y, rect.width, rect.height);
cr->stroke();
}
cr->restore();
//stop = chrono::steady_clock::now();
//cout << "afpaint " << chrono::duration_cast<chrono::milliseconds>(stop - start).count() << "ms" << endl;
}
}
Cairo::RefPtr<Cairo::ImageSurface>
TextSurface::create_cairo_surface(const std::string& text, const TextProperties& text_props,
Cairo::TextExtents& out_text_extents,
Cairo::FontExtents& out_font_extents)
{
{ // get TextExtents and FontExtents
Cairo::RefPtr<Cairo::ImageSurface> tmp_surface = Cairo::ImageSurface::create(Cairo::FORMAT_RGB24, 0, 0);
Cairo::RefPtr<Cairo::Context> cr = Cairo::Context::create(tmp_surface);
cr->set_font_size(text_props.get_font_size());
cr->select_font_face(text_props.get_font(), Cairo::FONT_SLANT_NORMAL, Cairo::FONT_WEIGHT_NORMAL);
cr->get_text_extents(text, out_text_extents);
cr->get_font_extents(out_font_extents);
}
Cairo::RefPtr<Cairo::ImageSurface>
surface = Cairo::ImageSurface::create(Cairo::FORMAT_ARGB32,
static_cast<int>(out_text_extents.width + text_props.get_line_width()),
static_cast<int>(out_text_extents.height + text_props.get_line_width()));
Cairo::RefPtr<Cairo::Context> cr = Cairo::Context::create(surface);
// set the font
cr->set_font_size(text_props.get_font_size());
cr->select_font_face(text_props.get_font(), Cairo::FONT_SLANT_NORMAL, Cairo::FONT_WEIGHT_NORMAL);
if (text_props.get_line_width() != 0)
{
// create path
cr->move_to(-out_text_extents.x_bearing + text_props.get_line_width()/2.0,
-out_text_extents.y_bearing + text_props.get_line_width()/2.0);
cr->text_path(text);
// paint
cr->set_line_width(text_props.get_line_width());
cr->set_line_join(Cairo::LINE_JOIN_ROUND);
cr->set_source_rgb(0.0, 0.0, 0.0);
cr->stroke();
}
// print text
cr->move_to(-out_text_extents.x_bearing + text_props.get_line_width()/2.0,
-out_text_extents.y_bearing + text_props.get_line_width()/2.0);
cr->set_source_rgb(1.0, 1.0, 0.0);
double y = -out_text_extents.y_bearing - out_font_extents.ascent;
// toying around with color gradients
if (false)
{
Cairo::RefPtr<Cairo::LinearGradient> gradient = Cairo::LinearGradient::create(0, y,
0, y + out_font_extents.ascent + out_font_extents.descent);
gradient->add_color_stop_rgb(0.0, 1.0, 1.0, 0.0);
gradient->add_color_stop_rgb(0.5, 1.0, 1.0, 1.0);
gradient->add_color_stop_rgb(0.5, 0.4, 0.4, 0.2);
gradient->add_color_stop_rgb(1.0, 1.0, 1.0, 0.0);
cr->set_source(gradient);
}
cr->show_text(text);
return surface;
}
void level_editor::tileset_display::update_tileset(const std::string& level_name) {
// find the main tileset and draw it first, then the others
level_editor::tileset_list_type::iterator main_iter;
level_editor::tileset_list_type::iterator iter, end;
end = m_preferences.tilesets.end();
main_iter = m_preferences.tilesets.end();
for (iter = m_preferences.tilesets.begin();
iter != end;
iter ++) {
// prefix matches level name
if (iter->main && iter->active && level_name.find(iter->prefix) != std::string::npos) {
// prefer tilesets with a longer prefix
if (main_iter == end || main_iter->prefix.size() < iter->prefix.size()) {
main_iter = iter;
}
}
}
Cairo::RefPtr<Cairo::ImageSurface> main;
if (main_iter == m_preferences.tilesets.end()) {
// No matching main tileset, use default image and display error
// TODO: actually display an error box here
//std::cerr <<
// "No valid tileset found, please add atleast one main tileset to the "
// "tileset list that matches the current level." << std::endl;
main = m_image_cache.get_image("internal/no_img.png");
} else {
main = m_image_cache.get_image(main_iter->name);
}
//std::cout << "creating surface" << std::endl;
const int main_width = main->get_width();
const int main_height = main->get_height();
m_surface = Cairo::ImageSurface::create(Cairo::FORMAT_ARGB32, main_width, main_height);
Cairo::RefPtr<Cairo::Context> cr = Cairo::Context::create(m_surface);
cr->set_source(main, 0, 0);
cr->paint();
// now draw the rest
end = m_preferences.tilesets.end();
for (iter = m_preferences.tilesets.begin();
iter != end;
iter ++) {
// prefix matches level name
if (level_name.find(iter->prefix) != std::string::npos && !iter->main) {
Cairo::RefPtr<Cairo::ImageSurface> ts = m_image_cache.get_image(iter->name);
// Ignore other matching main tilesets
if (!iter->main && iter->active) {
cr->set_source(ts, iter->x, iter->y);
}
cr->paint();
}
}
set_size_request(main_width, main_height);
queue_draw();
// Fire signal to users
m_signal_tileset_updated(m_surface);
}
bool knob::on_expose_event(GdkEventExpose* event)
{
// This is where we draw on the window
Glib::RefPtr<Gdk::Window> window = get_window();
if(window)
{
Gtk::Allocation allocation = get_allocation();
const int width = allocation.get_width();
const int height = allocation.get_height() - (allocation.get_height()/3);
const int height_offset = allocation.get_height()/6;
// coordinates for the center of the window
int xc, yc;
xc = width / 2;
yc = height / 2;
Cairo::RefPtr<Cairo::Context> cr = window->create_cairo_context();
cr->set_line_width(6.0);
// clip to the area indicated by the expose event so that we only redraw
// the portion of the window that needs to be redrawn
cr->rectangle(event->area.x, event->area.y,
event->area.width, event->area.height);
cr->clip();
// background grad
Cairo::RefPtr<Cairo::LinearGradient> back_grad =
Cairo::LinearGradient::create( 0,0,0,allocation.get_height() );
switch (pos_mode)
{
case 0:
back_grad->add_color_stop_rgba(0,top_colour.get_red_p(),top_colour.get_green_p(),top_colour.get_blue_p(),1);
back_grad->add_color_stop_rgba(1,bottom_colour.get_red_p(),bottom_colour.get_green_p(),bottom_colour.get_blue_p(),1);
break;
case 1:
back_grad->add_color_stop_rgba(0,top_colour.get_red_p(),top_colour.get_green_p(),top_colour.get_blue_p(),1);
back_grad->add_color_stop_rgba(1,
(bottom_colour.get_red_p() + top_colour.get_red_p())/2,
(bottom_colour.get_green_p() + top_colour.get_green_p())/2,
(bottom_colour.get_blue_p() + top_colour.get_blue_p())/2,
1);
break;
case 2:
back_grad->add_color_stop_rgba(0,
(bottom_colour.get_red_p() + top_colour.get_red_p())/2,
(bottom_colour.get_green_p() + top_colour.get_green_p())/2,
(bottom_colour.get_blue_p() + top_colour.get_blue_p())/2,
1);
back_grad->add_color_stop_rgba(1,bottom_colour.get_red_p(),bottom_colour.get_green_p(),bottom_colour.get_blue_p(),1);
break;
}
// fill background
if (rounded<5)
{
rounded_rectangle(cr,rounded, grad_top_colour,
grad_bottom_colour, event->area.x, event->area.y,
event->area.width, event->area.height,pos_mode,
top_colour.to_string(),bottom_colour.to_string() );
}
else
{
cr->rectangle(event->area.x, event->area.y,
event->area.width, event->area.height);
}
cr->set_source(back_grad);
cr->fill();
// ------------------------------------------------------------------
float cos_x = (allocation.get_width()/5) * (cos(((((1-knob_value)*0.75)-0.3)*2) * M_PI));
float sin_y = (allocation.get_width()/5) * (sin(((((1-knob_value)*0.75)-0.3)*2) * M_PI));
Cairo::RefPtr<Cairo::RadialGradient> grad1 =
Cairo::RadialGradient::create( (allocation.get_width()/2) + sin_y, (allocation.get_height()/2) + cos_x, 0, (allocation.get_width()/2) , (allocation.get_height()/2) ,(allocation.get_width()/2.5));
grad1->add_color_stop_rgba(0,0.4,0.4,0.4,1);
grad1->add_color_stop_rgba(0.5,0.2,0.2,0.2,1);
grad1->add_color_stop_rgba(0.8,0.17,0.17,0.17,1);
grad1->add_color_stop_rgba(1.0,0.0,0.0,0.0,1);
cos_x = (allocation.get_width()/5) * (cos((((knob_value*0.75)-0.61)*2) * M_PI));
sin_y = (allocation.get_width()/5) * (sin((((knob_value*0.75)-0.61)*2) * M_PI));
cr->set_source(grad1);
cr->arc(allocation.get_width()/2, allocation.get_height()/2, (allocation.get_width()/2.5), 0.0, 2 * M_PI);
cr->fill();
cr->set_source_rgb(0.0, 0.0, 0.0);
cr->arc((allocation.get_width()/2) +cos_x, (allocation.get_height()/2)+sin_y, (allocation.get_width()/16), 0.0, 2 * M_PI);
cr->fill();
// draw text label
cr->select_font_face("Bitstream Vera Sans", Cairo::FONT_SLANT_NORMAL,
Cairo::FONT_WEIGHT_NORMAL);
cr->set_font_size(width/4.5);
cr->set_source_rgba(0.9,0.9,0.9,0.8);
Cairo::FontOptions font_options;
font_options.set_hint_style(Cairo::HINT_STYLE_NONE);
font_options.set_hint_metrics(Cairo::HINT_METRICS_OFF);
font_options.set_antialias(Cairo::ANTIALIAS_GRAY);
int x_font_centre = (width/2) - ((width/5) * (label.length()/3.5));
cr->set_font_options(font_options);
cr->move_to(x_font_centre,height/3.5);
cr->show_text(label);
cr->move_to(x_font_centre,allocation.get_height() - (height_offset/3) );
ostringstream slider_value;
slider_value.str("");
if (invert)
{
slider_value << max - value;
}
else
{
slider_value << value;
}
slider_value.str(slider_value.str().substr(0,5));
x_font_centre = (width/2) - ((width/5) * (slider_value.str().length()/3.5));
cr->move_to(x_font_centre,allocation.get_height() - (height_offset/1.5) );
cr->show_text(slider_value.str());
}
return true;
}
void set_source__(Glib::ustring& src,Glib::ustring& x,Glib::ustring& y){
Cairo::RefPtr< Cairo::ImageSurface > is;
is = Cairo::ImageSurface::create_from_png (src);
cr_->set_source(is,s2f__(x),s2f__(y));
}
void MyWidget::drawWidget()
{
Painter p(this);
if (m_color) {
p.setSourceRGB(1.0, 0, 0);
} else {
p.setSourceRGB(0, 0, 0);
}
p.translate(minimumSize().width() / 2.0, minimumSize().height() / 2.0);
p.setLineWidth(m_lineWidth);
p.arc(0, 0, m_radius, 0, 2 * M_PI);
p.save();
p.setSourceRGBA(1.0, 1.0, 1.0, 0.8);
p.fillPreserve();
p.restore();
p.strokePreserve();
p.clip();
for (int i = 0; i < 12; ++i) {
double inset = 30;
p.save();
p.setLineCap(Painter::RoundLineCap);
if(i % 3 != 0) {
inset *= 0.8;
p.setLineWidth(1.0);
}
p.moveTo((m_radius - inset) * cos (i * M_PI / 6.0),
(m_radius - inset) * sin (i * M_PI / 6.0));
p.lineTo(m_radius * cos (i * M_PI / 6.0),
m_radius * sin (i * M_PI / 6.0));
p.stroke();
p.restore();
}
// store the current time
time_t rawtime;
time(&rawtime);
struct tm * timeinfo = localtime (&rawtime);
// compute the angles of the indicators of our clock
double minutes = timeinfo->tm_min * M_PI / 30;
double hours = timeinfo->tm_hour * M_PI / 6;
double seconds= timeinfo->tm_sec * M_PI / 30;
p.save();
p.setLineCap(Painter::RoundLineCap);
// draw the seconds hand
p.save();
p.setLineWidth(m_lineWidth);
p.setSourceRGBA(0.7, 0.7, 0.7, 0.8);
p.moveTo(0, 0);
p.lineTo(sin(seconds) * (m_radius * 0.9),
-cos(seconds) * (m_radius * 0.9));
p.stroke();
p.restore();
// draw the minutes hand
p.setSourceRGBA(0.117, 0.337, 0.612, 0.9);
p.moveTo(0, 0);
p.lineTo(sin(minutes + seconds / 60.0) * (m_radius * 0.8),
-cos(minutes + seconds / 60.0) * (m_radius * 0.8));
p.stroke();
// draw the hours hand
p.setSourceRGBA(0.337, 0.612, 0.117, 0.9);
p.moveTo(0, 0);
p.lineTo(sin(hours + minutes / 12.0) * (m_radius * 0.5),
-cos(hours + minutes / 12.0) * (m_radius * 0.5));
p.stroke();
p.restore();
p.setSourceRGBA(1, 0, 0, 0.5);
p.arc(0, 0, m_lineWidth * 2.0, 0, 2.0 * M_PI);
p.fill();
#if 0
// This is where we draw on the window
Glib::RefPtr<Gdk::Window> window = get_window();
if(window)
{
Gtk::Allocation allocation = get_allocation();
const int width = allocation.get_width();
const int height = allocation.get_height();
Cairo::RefPtr<Cairo::Context> cr = window->create_cairo_context();
if(event)
{
// clip to the area indicated by the expose event so that we only
// redraw the portion of the window that needs to be redrawn
cr->rectangle(event->area.x, event->area.y,
event->area.width, event->area.height);
cr->clip();
}
// background gradient
{
Cairo::RefPtr<Cairo::LinearGradient> pat = Cairo::LinearGradient::create(0.0, 0.0, 0.0, height);
pat->add_color_stop_rgb(1.0, 1.0, 1.0, 1.0);
pat->add_color_stop_rgb(0.0, 0.0, 0.0, 0.0);
cr->rectangle(0, 0, width, height);
cr->set_source(pat);
cr->fill();
}
// scale to unit square and translate (0, 0) to be (0.5, 0.5), i.e.
// the center of the window
cr->scale(width, height);
cr->translate(0.5, 0.5);
cr->set_line_width(m_line_width);
cr->arc(0, 0, m_radius, 0, 2 * M_PI);
cr->save();
cr->set_source_rgba(1.0, 1.0, 1.0, 0.8);
cr->fill_preserve();
cr->restore();
cr->stroke_preserve();
cr->clip();
//clock ticks
for (int i = 0; i < 12; i++)
{
double inset = 0.05;
cr->save();
cr->set_line_cap(Cairo::LINE_CAP_ROUND);
if(i % 3 != 0)
{
inset *= 0.8;
cr->set_line_width(0.03);
}
cr->move_to(
(m_radius - inset) * cos (i * M_PI / 6),
(m_radius - inset) * sin (i * M_PI / 6));
cr->line_to (
m_radius * cos (i * M_PI / 6),
m_radius * sin (i * M_PI / 6));
cr->stroke();
cr->restore(); /* stack-pen-size */
}
// store the current time
time_t rawtime;
time(&rawtime);
struct tm * timeinfo = localtime (&rawtime);
// compute the angles of the indicators of our clock
double minutes = timeinfo->tm_min * M_PI / 30;
double hours = timeinfo->tm_hour * M_PI / 6;
double seconds= timeinfo->tm_sec * M_PI / 30;
cr->save();
cr->set_line_cap(Cairo::LINE_CAP_ROUND);
// draw the seconds hand
cr->save();
cr->set_line_width(m_line_width / 3);
cr->set_source_rgba(0.7, 0.7, 0.7, 0.8); // gray
cr->move_to(0, 0);
cr->line_to(sin(seconds) * (m_radius * 0.9),
-cos(seconds) * (m_radius * 0.9));
cr->stroke();
cr->restore();
// draw the minutes hand
cr->set_source_rgba(0.117, 0.337, 0.612, 0.9); // blue
cr->move_to(0, 0);
cr->line_to(sin(minutes + seconds / 60) * (m_radius * 0.8),
-cos(minutes + seconds / 60) * (m_radius * 0.8));
cr->stroke();
// draw the hours hand
cr->set_source_rgba(0.337, 0.612, 0.117, 0.9); // green
cr->move_to(0, 0);
cr->line_to(sin(hours + minutes / 12.0) * (m_radius * 0.5),
-cos(hours + minutes / 12.0) * (m_radius * 0.5));
cr->stroke();
cr->restore();
// draw a little dot in the middle
cr->arc(0, 0, m_line_width / 3.0, 0, 2 * M_PI);
cr->fill();
}
#endif
}
