cairo_destroy(m_temp_cr);
}
-litehtml::uint_ptr container_linux::create_font( const litehtml::tchar_t* faceName, int size, int weight, litehtml::font_style italic, unsigned int decoration, litehtml::font_metrics* fm )
-{
- litehtml::string_vector fonts;
- litehtml::split_string(faceName, fonts, ",");
- if (! fonts.empty()) {
- litehtml::trim(fonts[0]);
- }
-
- cairo_font_face_t* fnt = 0;
-
- FcPattern *pattern = FcPatternCreate();
- bool found = false;
- for(litehtml::string_vector::iterator i = fonts.begin(); i != fonts.end(); i++)
- {
- if(FcPatternAddString(pattern, FC_FAMILY, (unsigned char *) i->c_str()))
- {
- found = true;
- break;
- }
- }
- if(found)
- {
- if(italic == litehtml::fontStyleItalic )
- {
- FcPatternAddInteger (pattern, FC_SLANT, FC_SLANT_ITALIC);
- } else
- {
- FcPatternAddInteger (pattern, FC_SLANT, FC_SLANT_ROMAN);
- }
-
- int fc_weight = FC_WEIGHT_NORMAL;
- if(weight >= 0 && weight < 150) fc_weight = FC_WEIGHT_THIN;
- else if(weight >= 150 && weight < 250) fc_weight = FC_WEIGHT_EXTRALIGHT;
- else if(weight >= 250 && weight < 350) fc_weight = FC_WEIGHT_LIGHT;
- else if(weight >= 350 && weight < 450) fc_weight = FC_WEIGHT_NORMAL;
- else if(weight >= 450 && weight < 550) fc_weight = FC_WEIGHT_MEDIUM;
- else if(weight >= 550 && weight < 650) fc_weight = FC_WEIGHT_SEMIBOLD;
- else if(weight >= 650 && weight < 750) fc_weight = FC_WEIGHT_BOLD;
- else if(weight >= 750 && weight < 850) fc_weight = FC_WEIGHT_EXTRABOLD;
- else if(weight >= 950) fc_weight = FC_WEIGHT_BLACK;
-
- FcPatternAddInteger (pattern, FC_WEIGHT, fc_weight);
-
- fnt = cairo_ft_font_face_create_for_pattern(pattern);
- }
-
- FcPatternDestroy(pattern);
-
- cairo_font* ret = 0;
-
- if(fm && fnt)
- {
- cairo_save(m_temp_cr);
-
- cairo_set_font_face(m_temp_cr, fnt);
- cairo_set_font_size(m_temp_cr, size);
- cairo_font_extents_t ext;
- cairo_font_extents(m_temp_cr, &ext);
-
- cairo_text_extents_t tex;
- cairo_text_extents(m_temp_cr, "x", &tex);
-
- fm->ascent = (int) ext.ascent;
- fm->descent = (int) ext.descent;
- fm->height = (int) (ext.ascent + ext.descent);
- fm->x_height = (int) tex.height;
-
- cairo_restore(m_temp_cr);
-
- ret = new cairo_font;
- ret->font = fnt;
- ret->size = size;
- ret->strikeout = (decoration & litehtml::font_decoration_linethrough) ? true : false;
- ret->underline = (decoration & litehtml::font_decoration_underline) ? true : false;
-
- }
-
- return (litehtml::uint_ptr) ret;
-}
-
-void container_linux::delete_font( litehtml::uint_ptr hFont )
-{
- cairo_font* fnt = (cairo_font*) hFont;
- if(fnt)
- {
- cairo_font_face_destroy(fnt->font);
- delete fnt;
- }
-}
-
-int container_linux::text_width( const litehtml::tchar_t* text, litehtml::uint_ptr hFont )
-{
- cairo_font* fnt = (cairo_font*) hFont;
-
- cairo_save(m_temp_cr);
-
- if (fnt) {
- cairo_set_font_size(m_temp_cr, fnt->size);
- cairo_set_font_face(m_temp_cr, fnt->font);
- }
- cairo_text_extents_t ext;
- cairo_text_extents(m_temp_cr, text, &ext);
-
- cairo_restore(m_temp_cr);
-
- return (int) ext.x_advance;
-}
-
-void container_linux::draw_text( litehtml::uint_ptr hdc, const litehtml::tchar_t* text, litehtml::uint_ptr hFont, litehtml::web_color color, const litehtml::position& pos )
-{
- cairo_font* fnt = (cairo_font*) hFont;
- cairo_t* cr = (cairo_t*) hdc;
- cairo_save(cr);
-
- apply_clip(cr);
-
- if (fnt) {
- cairo_set_font_face(cr, fnt->font);
- cairo_set_font_size(cr, fnt->size);
- }
- cairo_font_extents_t ext;
- cairo_font_extents(cr, &ext);
-
- int x = pos.left();
- int y = pos.bottom() - ext.descent;
-
- set_color(cr, color);
-
- cairo_move_to(cr, x, y);
- cairo_show_text(cr, text);
-
- int tw = 0;
-
- if (fnt) {
- if(fnt->underline || fnt->strikeout)
- {
- tw = text_width(text, hFont);
- }
-
- if(fnt->underline)
- {
- cairo_set_line_width(cr, 1);
- cairo_move_to(cr, x, y + 1.5);
- cairo_line_to(cr, x + tw, y + 1.5);
- cairo_stroke(cr);
- }
- if(fnt->strikeout)
- {
- cairo_text_extents_t tex;
- cairo_text_extents(cr, "x", &tex);
-
- int ln_y = y - tex.height / 2.0;
-
- cairo_set_line_width(cr, 1);
- cairo_move_to(cr, x, (double) ln_y - 0.5);
- cairo_line_to(cr, x + tw, (double) ln_y - 0.5);
- cairo_stroke(cr);
- }
- }
-
- cairo_restore(cr);
-}
-
int container_linux::pt_to_px( int pt )
{
GdkScreen* screen = gdk_screen_get_default();
return (int) ((double) pt * dpi / 72.0);
}
-int container_linux::get_default_font_size() const
-{
- return 16;
-}
-
void container_linux::draw_list_marker( litehtml::uint_ptr hdc, const litehtml::list_marker& marker )
{
if(!marker.image.empty())
{
litehtml::tstring url;
make_url(src, baseurl, url);
- if(m_images.find(url.c_str()) == m_images.end())
+ bool found = false;
+
+ for (auto ii = m_images.cbegin(); ii != m_images.cend(); ++ii) {
+ const image *i = &(*ii);
+
+ if (!strcmp(i->first.c_str(), url.c_str())) {
+ found = true;
+ break;
+ }
+ }
+
+ if(!found)
{
try
{
GdkPixbuf *img = get_image(url.c_str(), true);
if(img)
{
- m_images[url.c_str()] = img;
+ m_images.push_back(std::make_pair(url, img));
}
} catch(...)
{
{
litehtml::tstring url;
make_url(src, baseurl, url);
+ bool found = false;
+ const image *img = NULL;
+
+ for (auto ii = m_images.cbegin(); ii != m_images.cend(); ++ii) {
+ const image *i = &(*ii);
+ if (i->first == url) {
+ img = i;
+ found = true;
+ break;
+ }
+ }
- images_map::iterator img = m_images.find(url.c_str());
- if(img != m_images.end())
+ if(img != NULL)
{
sz.width = gdk_pixbuf_get_width(img->second);
sz.height = gdk_pixbuf_get_height(img->second);
make_url(bg.image.c_str(), bg.baseurl.c_str(), url);
//lock_images_cache();
- images_map::iterator img_i = m_images.find(url.c_str());
- if(img_i != m_images.end() && img_i->second)
+ bool found = false;
+ const image *img_i = NULL;
+
+ for (auto ii = m_images.cbegin(); ii != m_images.cend(); ++ii) {
+ const image *i = &(*ii);
+ if (i->first == url) {
+ img_i = i;
+ found = true;
+ break;
+ }
+ }
+
+ if(img_i != NULL && img_i->second)
{
GdkPixbuf *bgbmp = img_i->second;
void container_linux::clear_images()
{
-/* for(images_map::iterator i = m_images.begin(); i != m_images.end(); i++)
- {
- if(i->second)
- {
- delete i->second;
+ for(auto i = m_images.begin(); i != m_images.end(); ++i) {
+ image *img = &(*i);
+
+ if (img->second) {
+ g_object_unref(img->second);
}
}
+
m_images.clear();
-*/
}
-const litehtml::tchar_t* container_linux::get_default_font_name() const
+gint container_linux::clear_images(gint desired_size)
{
- return "Times New Roman";
+ gint size = 0;
+ gint num = 0;
+
+ /* First, tally up size of all the stored GdkPixbufs and
+ * deallocate those which make the total size be above
+ * the desired_size limit. We will remove their list
+ * elements later. */
+ for (auto i = m_images.rbegin(); i != m_images.rend(); ++i) {
+ image *img = &(*i);
+ gint cursize;
+
+ if (img->second == NULL)
+ continue;
+
+ cursize = gdk_pixbuf_get_byte_length(img->second);
+
+ if (size + cursize > desired_size) {
+ g_object_unref(img->second);
+ img->second = NULL;
+ num++;
+ } else {
+ size += cursize;
+ }
+ }
+
+ /* Remove elements whose GdkPixbuf pointers point to NULL. */
+ m_images.remove_if([&](image _img) -> bool {
+ if (_img.second == NULL)
+ return true;
+ return false;
+ });
+
+ return num;
}
std::shared_ptr<litehtml::element> container_linux::create_element(const litehtml::tchar_t *tag_name,
// Gdk::Cairo::set_source_pixbuf(ctx, bmp, 0.0, 0.0);
cairo_t *ctx = cairo_create(ret);
cairo_paint(ctx);
+ cairo_destroy(ctx);
return ret;
}
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