forked from KolibriOS/kolibrios
421 lines
12 KiB
C
421 lines
12 KiB
C
void TWebBrowser::SetStyle()
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{
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if (tag.get_value_of("name")) || (tag.get_value_of("id")) {
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anchors.add(tag.value, draw_y);
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if (anchors.current) && (streq(tag.value, #anchors.current+1)) {
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list.first = draw_y;
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anchors.current = NULL;
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}
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}
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if (tag.is("a")) { tag_a(); return; }
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if (tag.is("p")) { tag_p(); return; }
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if (tag.is("img")) { tag_img(); return; }
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if (tag.is("div")) { tag_div(); return; }
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if (tag.is("br")) { /*draw_x++;*/NewLine(); return; }
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if (tag.is("header")) { NewLine(); return; }
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if (tag.is("article")) { NewLine(); return; }
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if (tag.is("footer")) { NewLine(); return; }
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if (tag.is("figure")) { NewLine(); return; }
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if (tag.is("w:p")) { NewLine(); return; }
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if (tag.is("b")) { style.b = tag.opened; return; }
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if (tag.is("strong")) { style.b = tag.opened; return; }
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if (tag.is("big")) { style.b = tag.opened; return; }
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if (tag.is("w:b")) { style.b = tag.opened; return; }
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if (tag.is("u")) { style.u = tag.opened; return; }
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if (tag.is("ins")) { style.u = tag.opened; return; }
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if (tag.is("s")) { style.s = tag.opened; return; }
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if (tag.is("strike")) { style.s = tag.opened; return; }
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if (tag.is("del")) { style.s = tag.opened; return; }
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if (tag.is("pre")) { style.pre = tag.opened; return; }
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if (tag.is("blockquote")) { style.blq = tag.opened; return; }
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if (tag.is("button")) { style.button = tag.opened; return; }
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if (tag.is("dl")) { if (tag.opened) NewLine(); return; }
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if (tag.is("w:r")) { if (!tag.opened) style.b = false; return; }
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if (tag.is("h1")) { tag_h1234_caption(); return; }
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if (tag.is("h2")) { tag_h1234_caption(); return; }
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if (tag.is("h3")) { tag_h1234_caption(); return; }
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if (tag.is("h4")) { tag_h1234_caption(); return; }
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if (tag.is("font")) { tag_font(); return; }
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if (tag.is("dt")) { tag_ol_ul_dt(); return; }
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if (tag.is("ul")) { tag_ol_ul_dt(); return; }
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if (tag.is("ol")) { tag_ol_ul_dt(); return; }
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if (tag.is("li")) { tag_li(); return; }
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if (tag.is("q")) { tag_q(); return; }
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if (tag.is("hr")) { tag_hr(); return; }
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if (tag.is("meta")) { tag_meta_xml(); return; }
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if (tag.is("?xml")) { tag_meta_xml(); return; }
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if (tag.is("code")) { tag_code(); return; }
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if (tag.is("iframe")) { tag_iframe(); return; }
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if (tag.is("caption")) { tag_h1234_caption(); return; }
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if (tag.is("title")) { tag_title(); return; }
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if (tag.is("body")) { tag_body(); return; }
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if (tag.is("html")) { t_html = tag.opened; return; }
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if (tag.is("table")) { tag_table(); return; }
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if (tag.is("tr")) { if (tag.opened) NewLine(); return; } //temp
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//if (tag.is("tr")) { tag_tr(); return; }
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//if (tag.is("td")) { tag_td(); return; }
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}
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void TWebBrowser::tag_p()
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{
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IF (tag.prior[0] == 'h') || (streq(#tag.prior,"td")) || (streq(#tag.prior,"p")) return;
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NewLine();
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}
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void TWebBrowser::tag_title()
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{
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style.title = tag.opened;
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if (!tag.opened) DrawTitle(#header);
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}
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void TWebBrowser::tag_font()
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{
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style.font = tag.opened;
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if (tag.opened)
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{
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if (tag.get_value_of("bg")) {
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bg_colors.add(GetColor(tag.value));
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} else {
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bg_colors.add(bg_colors.get_last());
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}
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if (tag.get_value_of("color")) {
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text_colors.add(GetColor(tag.value));
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} else {
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text_colors.add(text_colors.get_last());
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}
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}
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else {
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text_colors.pop();
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if (bg_colors.count>1) bg_colors.pop(); //never pop the last color
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}
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}
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void TWebBrowser::tag_div()
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{
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//if (streq(#tag.prior,"div")) && (tag.opened) return;
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if (streq(#tag.prior,"td")) return;
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if (streq(#tag.prior,"div")) return;
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if (!tag.opened) && (style.font) text_colors.pop();
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NewLine();
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}
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void TWebBrowser::tag_iframe()
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{
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if (tag.get_value_of("src")) {
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NewLine();
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strcpy(#linebuf, "IFRAME: ");
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RenderTextbuf();
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link=true;
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links.add_link(tag.value);
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strncpy(#linebuf, tag.value, sizeof(TWebBrowser.linebuf)-1);
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RenderTextbuf();
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link=false;
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NewLine();
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}
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}
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void TWebBrowser::tag_a()
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{
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if (tag.opened)
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{
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if (tag.get_value_of("href")) && (!strstr(tag.value,"javascript:"))
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{
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link = true;
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links.add_link(tag.value);
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}
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} else {
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link = false;
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}
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}
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void TWebBrowser::tag_meta_xml()
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{
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if (custom_encoding == -1) if (tag.get_value_of("charset"))
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|| (tag.get_value_of("content")) || (tag.get_value_of("encoding"))
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{
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EDX = strrchr(tag.value, '=') + tag.value; //search in content=
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if (ESBYTE[EDX] == '"') EDX++;
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strlwr(EDX);
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EAX = get_encoding_type_by_name(EDX);
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if (EAX!=-1) ChangeEncoding(EAX);
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}
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if (streq(tag.get_value_of("http-equiv"), "refresh")) && (tag.get_value_of("content")) {
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if (tag.value = strstri(tag.value, "url")) strcpy(#redirect, tag.value);
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}
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}
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signed int get_encoding_type_by_name(dword name)
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{
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EDX = name;
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if (streqrp(EDX,"utf-8")) || (streqrp(EDX,"utf8")) return CH_UTF8;
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else if (streqrp(EDX,"windows-1251")) || (streqrp(EDX,"windows1251")) return CH_CP1251;
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else if (streqrp(EDX,"dos")) || (streqrp(EDX,"cp-866")) return CH_CP866;
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else if (streqrp(EDX,"iso-8859-5")) || (streqrp(EDX,"iso8859-5")) return CH_ISO8859_5;
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else if (streqrp(EDX,"koi8-r")) || (streqrp(EDX,"koi8-u")) return CH_KOI8;
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return -1;
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}
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void TWebBrowser::tag_code()
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{
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if (style.pre = tag.opened) {
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bg_colors.add(0xe4ffcb);
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} else {
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if (bg_colors.count>1) bg_colors.pop(); //never pop the last color
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}
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}
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void TWebBrowser::tag_ol_ul_dt()
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{
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char type = ESBYTE[#tag.name];
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style.tag_list.upd_level(tag.opened, type);
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switch(type)
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{
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case 'd':
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if (tag.opened) NewLine();
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break;
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case 'u':
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case 'o':
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if (!tag.opened) && (!style.pre) NewLine();
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}
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}
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void TWebBrowser::tag_li()
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{
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if (tag.opened) {
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if (!style.tag_list.level) style.tag_list.upd_level(1, 'u');
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if (!style.pre) NewLine();
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if (style.tag_list.order_type() == 'u') {
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strcpy(#linebuf, "\31 ");
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draw_x = style.tag_list.level * 5 - 2 * list.font_w + left_gap;
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}
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if (style.tag_list.order_type() == 'o') {
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sprintf(#linebuf, "%i. ", style.tag_list.inc_counter());
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draw_x = style.tag_list.level * 5 - 1 - strlen(#linebuf) * list.font_w + left_gap;
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}
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}
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}
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void TWebBrowser::tag_hr()
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{
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dword hrcol = 0x777777;
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if (tag.get_value_of("color")) hrcol = GetColor(tag.value);
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if (draw_x != left_gap) NewLine();
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canvas.DrawBar(5, style.cur_line_h / 2 + draw_y - 1, draw_w-10, 1, hrcol);
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draw_x++;
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NewLine();
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return;
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}
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void TWebBrowser::tag_body()
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{
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t_body = tag.opened;
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if (tag.get_value_of("link")) link_color_default = GetColor(tag.value);
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if (tag.get_value_of("alink")) link_color_active = GetColor(tag.value);
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if (tag.get_value_of("text")) text_colors.set(0, GetColor(tag.value));
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if (tag.get_value_of("bgcolor")) {
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bg_colors.set(0, GetColor(tag.value));
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canvas.Fill(0, bg_colors.get(0));
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}
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// Autodetecting encoding if no encoding was set
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if (tag.opened) && (custom_encoding==-1) && (cur_encoding == CH_CP866) {
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if (strstr(bufpointer, "\208\190")) ChangeEncoding(CH_UTF8);
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else if (chrnum(bufpointer, '\246')>5) ChangeEncoding(CH_CP1251);
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}
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}
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void TWebBrowser::tag_q()
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{
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chrncat(#linebuf, '\"', sizeof(TWebBrowser.linebuf));
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}
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void TWebBrowser::tag_h1234_caption()
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{
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if (ESBYTE[#tag.name+1]=='4') {
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NewLine();
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NewLine();
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style.h = tag.opened;
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style.b = tag.opened;
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} else {
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style.h = tag.opened;
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if (tag.opened) {
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if (!style.pre) NewLine();
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draw_y += 10;
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list.SetFont(BASIC_CHAR_W*2, 14*2, 10011001b);
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list.item_h = BASIC_LINE_H * 2 - 2;
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if (tag.is("h1")) style.b = true;
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} else {
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if (tag.is("h1")) style.b = false;
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NewLine();
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list.SetFont(BASIC_CHAR_W, 14, 10011000b);
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style.cur_line_h = list.item_h = BASIC_LINE_H;
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}
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}
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}
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void TWebBrowser::tag_img()
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{
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char img_path[4096]=0;
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dword base64img;
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if (!tag.get_value_of("data-large-image"))
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if (!tag.get_value_of("data-src"))
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if (!tag.get_value_of("src")) return;
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if (streqrp(tag.value, "data:")) {
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if (!strstr(tag.value, "base64,")) goto NOIMG;
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EDX = EAX+7;
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if (ESBYTE[EDX]==' ') EDX++;
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base64img = malloc(strlen(EDX));
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base64_decode stdcall (EDX, base64img, strlen(EDX));
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img_decode stdcall (base64img, EAX, 0);
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$push eax
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free(base64img);
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$pop eax
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if (EAX) goto IMGOK; else goto NOIMG;
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}
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if (!strcmp(tag.value + strrchr(tag.value, '.'), "svg")) goto NOIMG;
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if (!strcmp(tag.value + strrchr(tag.value, '.'), "webp")) goto NOIMG;
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strlcpy(#img_path, tag.value, sizeof(img_path)-1);
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replace_char(#img_path, ' ', '\0', sizeof(img_path));
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get_absolute_url(#img_path, history.current());
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if (check_is_the_adress_local(#img_path)) {
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img_from_file stdcall(#img_path);
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if (EAX) goto IMGOK; else goto NOIMG;
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}
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if (cache.has(#img_path)) {
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img_decode stdcall (cache.current_buf, cache.current_size, 0);
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if (EAX) goto IMGOK; else goto NOIMG;
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} else {
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img_url.add(#img_path);
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goto NOIMG;
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}
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IMGOK:
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if (RenderImage(EAX)) return;
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NOIMG:
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if (tag.get_value_of("title")) || (tag.get_value_of("alt")) {
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strncpy(#img_path, tag.value, sizeof(TWebBrowser.linebuf)-3);
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sprintf(#linebuf, "[%s]", #img_path);
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} else {
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if (streqrp(#img_path, "data:")) img_path=0;
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replace_char(#img_path, '?', NULL, strlen(#img_path));
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img_path[sizeof(TWebBrowser.linebuf)-3] = '\0'; //prevent overflow in sprintf
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sprintf(#linebuf, "[%s]", #img_path+strrchr(#img_path, '/'));
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linebuf[50]= NULL;
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}
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text_colors.add(0x9A6F29);
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style.image = true;
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RenderTextbuf();
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style.image = false;
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text_colors.pop();
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}
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int tdepth;
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int col_n;
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struct TABLE {
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collection_int col_w;
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collection_int col_span;
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collection_int row_h;
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int row_y, next_row_y;
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int colcount;
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} t[5];
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void TWebBrowser::tag_table_reset()
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{
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int i;
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tdepth = 0;
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for (i=0; i<5; i++) {
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t[i].col_w.drop();
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t[i].row_h.drop();
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t[i].col_span.drop();
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t[i].row_y = 0;
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t[i].next_row_y = 0;
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}
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}
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void TWebBrowser::tag_table()
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{
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if (tag.opened) {
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if (tdepth==0) {
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t[0].next_row_y = t[0].row_y = draw_y;
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}
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tdepth++;
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} else {
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tdepth--;
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if (tdepth==0) {
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draw_y = math.max(draw_y + style.cur_line_h, t[0].next_row_y);
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left_gap = BODY_MARGIN;
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draw_w = list.w - BODY_MARGIN;
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}
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}
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}
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:void TWebBrowser::tag_tr()
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{
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if (tag.opened) {
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if (tdepth>1) {
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NewLine();
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} else {
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t[0].colcount = math.max(t[0].colcount, col_n);
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col_n = 0;
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t[0].row_y = math.max(draw_y + style.cur_line_h, t[0].next_row_y);
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left_gap = BODY_MARGIN;
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NewLine();
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}
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}
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}
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:void TWebBrowser::tag_td()
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{
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if (tdepth>1) return;
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if (tag.opened) {
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t[0].next_row_y = math.max(draw_y + style.cur_line_h, t[0].next_row_y);
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style.cur_line_h = list.item_h;
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t[0].col_w.set(col_n, math.max(draw_x,t[0].col_w.get(col_n)) );
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draw_x = left_gap = t[0].col_w.get(col_n);
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draw_w = list.w - left_gap;
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draw_y = t[0].row_y;
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if (tag.get_number_of("width")) {
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if (!strchr(tag.value, '%')) {
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draw_w = tag.number;
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} else {
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if (tag.number < 100) {
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draw_w = draw_w - left_gap * tag.number / 100;
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if (draw_w > list.w - left_gap) draw_w = list.w - left_gap;
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}
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}
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}
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col_n++;
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t[0].col_w.set(col_n, draw_x + draw_w);
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if (left_gap >= list.w - list.font_w - 10) {
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debugln("left_gap overflow");
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draw_x = left_gap = BODY_MARGIN;
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t[0].col_w.drop();
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NewLine();
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canvas.WriteText(draw_x, draw_y, 10011001b, 0xFE0000, "lgo", NULL);
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}
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if (draw_w < 0) || (draw_w >= list.w) {
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debugln("draw_w overflow");
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draw_x = left_gap = BODY_MARGIN;
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draw_w = list.w - left_gap;
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NewLine();
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canvas.WriteText(draw_x, draw_y, 10011001b, 0x0000FE, "drwo", NULL);
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}
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}
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}
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