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path: root/src/guiVolumeChange.cpp
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/*
Part of Minetest
Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
Copyright (C) 2013 Ciaran Gultnieks <ciaran@ciarang.com>
Copyright (C) 2013 RealBadAngel, Maciej Kasatkin <mk@realbadangel.pl>

Permission to use, copy, modify, and distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.

THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/

#include "guiVolumeChange.h"
#include "debug.h"
#include "serialization.h"
#include <string>
#include <IGUICheckBox.h>
#include <IGUIButton.h>
#include <IGUIScrollBar.h>
#include <IGUIStaticText.h>
#include <IGUIFont.h>
#include "settings.h"

#include "gettext.h"

const int ID_soundText1 = 263;
const int ID_soundText2 = 264;
const int ID_soundExitButton = 265;
const int ID_soundSlider = 266;

GUIVolumeChange::GUIVolumeChange(gui::IGUIEnvironment* env,
		gui::IGUIElement* parent, s32 id,
		IMenuManager *menumgr,
		Client* client
):
	GUIModalMenu(env, parent, id, menumgr)
{
}

GUIVolumeChange::~GUIVolumeChange()
{
	removeChildren();
}

void GUIVolumeChange::removeChildren()
{
	{
		gui::IGUIElement *e = getElementFromId(ID_soundText1);
		if(e != NULL)
			e->remove();
	}
	{
		gui::IGUIElement *e = getElementFromId(ID_soundText2);
		if(e != NULL)
			e->remove();
	}
	{
		gui::IGUIElement *e = getElementFromId(ID_soundExitButton);
		if(e != NULL)
			e->remove();
	}
	{
		gui::IGUIElement *e = getElementFromId(ID_soundSlider);
		if(e != NULL)
			e->remove();
	}
}

void GUIVolumeChange::regenerateGui(v2u32 screensize)
{
	/*
		Remove stuff
	*/
	removeChildren();
	
	/*
		Calculate new sizes and positions
	*/
	core::rect<s32> rect(
			screensize.X/2 - 380/2,
			screensize.Y/2 - 200/2,
			screensize.X/2 + 380/2,
			screensize.Y/2 + 200/2
	);
	
	DesiredRect = rect;
	recalculateAbsolutePosition(false);

	v2s32 size = rect.getSize();
	v2s32 topleft_client(40, 0);
	int volume=(int)(g_settings->getFloat("sound_volume")*100);
	/*
		Add stuff
	*/
	{
		core::rect<s32> rect(0, 0, 120, 20);
		rect = rect + v2s32(size.X/2-60, size.Y/2-35);
		const wchar_t *text = wgettext("Sound Volume: ");
		Environment->addStaticText(text, rect, false,
				true, this, ID_soundText1);
		delete[] text;
	}
	{
		core::rect<s32> rect(0, 0, 30, 20);
		rect = rect + v2s32(size.X/2+40, size.Y/2-35);
		Environment->addStaticText(core::stringw(volume).c_str(), rect, false,
				true, this, ID_soundText2);
	}
	{
		core::rect<s32> rect(0, 0, 80, 30);
		rect = rect + v2s32(size.X/2-80/2, size.Y/2+55);
		const wchar_t *text = wgettext("Exit");
		Environment->addButton(rect, this, ID_soundExitButton,
			text);
		delete[] text;
	}
	{
		core::rect<s32> rect(0, 0, 300, 20);
		rect = rect + v2s32(size.X/2-150, size.Y/2);
		gui::IGUIScrollBar *e = Environment->addScrollBar(true,
			rect, this, ID_soundSlider);
		e->setMax(100);
		e->setPos(volume);
	}
}

void GUIVolumeChange::drawMenu()
{
	gui::IGUISkin* skin = Environment->getSkin();
	if (!skin)
		return;
	video::IVideoDriver* driver = Environment->getVideoDriver();
	video::SColor bgcolor(140,0,0,0);
	driver->draw2DRectangle(bgcolor, AbsoluteRect, &AbsoluteClippingRect);
	gui::IGUIElement::draw();
}

bool GUIVolumeChange::OnEvent(const SEvent& event)
{
	if(event.EventType==EET_KEY_INPUT_EVENT)
	{
		if(event.KeyInput.Key==KEY_ESCAPE && event.KeyInput.PressedDown)
		{
			quitMenu();
			return true;
		}
		if(event.KeyInput.Key==KEY_RETURN && event.KeyInput.PressedDown)
		{
			quitMenu();
			return true;
		}
	}
	if(event.GUIEvent.EventType==gui::EGET_BUTTON_CLICKED)
		{
			if (event.GUIEvent.Caller->getID() == ID_soundExitButton)
				{
					quitMenu();
					return true;
				}
		}
	if(event.GUIEvent.EventType==gui::EGET_SCROLL_BAR_CHANGED)
		{
		if (event.GUIEvent.Caller->getID() == ID_soundSlider)
			{
				s32 pos = ((gui::IGUIScrollBar*)event.GUIEvent.Caller)->getPos();
				g_settings->setFloat("sound_volume",(float)pos/100);
				gui::IGUIElement *e = getElementFromId(ID_soundText2);
				e->setText( core::stringw(pos).c_str() );
				return true;
			}
		}
	return Parent ? Parent->OnEvent(event) : false;
}

">const char *to, const char *from, char *outbuf, size_t outbuf_size, char *inbuf, size_t inbuf_size) { iconv_t cd = iconv_open(to, from); #ifdef BSD_ICONV_USED const char *inbuf_ptr = inbuf; #else char *inbuf_ptr = inbuf; #endif char *outbuf_ptr = outbuf; size_t *inbuf_left_ptr = &inbuf_size; size_t *outbuf_left_ptr = &outbuf_size; size_t old_size = inbuf_size; while (inbuf_size > 0) { iconv(cd, &inbuf_ptr, inbuf_left_ptr, &outbuf_ptr, outbuf_left_ptr); if (inbuf_size == old_size) { iconv_close(cd); return false; } old_size = inbuf_size; } iconv_close(cd); return true; } std::wstring utf8_to_wide(const std::string &input) { size_t inbuf_size = input.length() + 1; // maximum possible size, every character is sizeof(wchar_t) bytes size_t outbuf_size = (input.length() + 1) * sizeof(wchar_t); char *inbuf = new char[inbuf_size]; memcpy(inbuf, input.c_str(), inbuf_size); char *outbuf = new char[outbuf_size]; memset(outbuf, 0, outbuf_size); if (!convert("WCHAR_T", "UTF-8", outbuf, outbuf_size, inbuf, inbuf_size)) { infostream << "Couldn't convert UTF-8 string 0x" << hex_encode(input) << " into wstring" << std::endl; delete[] inbuf; delete[] outbuf; return L"<invalid UTF-8 string>"; } std::wstring out((wchar_t *)outbuf); delete[] inbuf; delete[] outbuf; return out; } #ifdef __ANDROID__ // TODO: this is an ugly fix for wide_to_utf8 somehow not working on android std::string wide_to_utf8(const std::wstring &input) { return wide_to_narrow(input); } #else std::string wide_to_utf8(const std::wstring &input) { size_t inbuf_size = (input.length() + 1) * sizeof(wchar_t); // maximum possible size: utf-8 encodes codepoints using 1 up to 6 bytes size_t outbuf_size = (input.length() + 1) * 6; char *inbuf = new char[inbuf_size]; memcpy(inbuf, input.c_str(), inbuf_size); char *outbuf = new char[outbuf_size]; memset(outbuf, 0, outbuf_size); if (!convert("UTF-8", "WCHAR_T", outbuf, outbuf_size, inbuf, inbuf_size)) { infostream << "Couldn't convert wstring 0x" << hex_encode(inbuf, inbuf_size) << " into UTF-8 string" << std::endl; delete[] inbuf; delete[] outbuf; return "<invalid wstring>"; } std::string out(outbuf); delete[] inbuf; delete[] outbuf; return out; } #endif #else // _WIN32 std::wstring utf8_to_wide(const std::string &input) { size_t outbuf_size = input.size() + 1; wchar_t *outbuf = new wchar_t[outbuf_size]; memset(outbuf, 0, outbuf_size * sizeof(wchar_t)); MultiByteToWideChar(CP_UTF8, 0, input.c_str(), input.size(), outbuf, outbuf_size); std::wstring out(outbuf); delete[] outbuf; return out; } std::string wide_to_utf8(const std::wstring &input) { size_t outbuf_size = (input.size() + 1) * 6; char *outbuf = new char[outbuf_size]; memset(outbuf, 0, outbuf_size); WideCharToMultiByte(CP_UTF8, 0, input.c_str(), input.size(), outbuf, outbuf_size, NULL, NULL); std::string out(outbuf); delete[] outbuf; return out; } #endif // _WIN32 wchar_t *utf8_to_wide_c(const char *str) { std::wstring ret = utf8_to_wide(std::string(str)).c_str(); size_t len = ret.length(); wchar_t *ret_c = new wchar_t[len + 1]; memset(ret_c, 0, (len + 1) * sizeof(wchar_t)); memcpy(ret_c, ret.c_str(), len * sizeof(wchar_t)); return ret_c; } // You must free the returned string! // The returned string is allocated using new wchar_t *narrow_to_wide_c(const char *str) { wchar_t *nstr = NULL; #if defined(_WIN32) int nResult = MultiByteToWideChar(CP_UTF8, 0, (LPCSTR) str, -1, 0, 0); if (nResult == 0) { errorstream<<"gettext: MultiByteToWideChar returned null"<<std::endl; } else { nstr = new wchar_t[nResult]; MultiByteToWideChar(CP_UTF8, 0, (LPCSTR) str, -1, (WCHAR *) nstr, nResult); } #else size_t len = strlen(str); nstr = new wchar_t[len + 1]; std::wstring intermediate = narrow_to_wide(str); memset(nstr, 0, (len + 1) * sizeof(wchar_t)); memcpy(nstr, intermediate.c_str(), len * sizeof(wchar_t)); #endif return nstr; } #ifdef __ANDROID__ const wchar_t* wide_chars = L" !\"#$%&'()*+,-./0123456789:;<=>?@" L"ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`" L"abcdefghijklmnopqrstuvwxyz{|}~"; int wctomb(char *s, wchar_t wc) { for (unsigned int j = 0; j < (sizeof(wide_chars)/sizeof(wchar_t));j++) { if (wc == wide_chars[j]) { *s = (char) (j+32); return 1; } else if (wc == L'\n') { *s = '\n'; return 1; } } return -1; } int mbtowc(wchar_t *pwc, const char *s, size_t n) { std::wstring intermediate = narrow_to_wide(s); if (intermediate.length() > 0) { *pwc = intermediate[0]; return 1; } else { return -1; } } std::wstring narrow_to_wide(const std::string &mbs) { size_t wcl = mbs.size(); std::wstring retval = L""; for (unsigned int i = 0; i < wcl; i++) { if (((unsigned char) mbs[i] >31) && ((unsigned char) mbs[i] < 127)) { retval += wide_chars[(unsigned char) mbs[i] -32]; } //handle newline else if (mbs[i] == '\n') { retval += L'\n'; } } return retval; } #else // not Android std::wstring narrow_to_wide(const std::string &mbs) { size_t wcl = mbs.size(); Buffer<wchar_t> wcs(wcl + 1); size_t len = mbstowcs(*wcs, mbs.c_str(), wcl); if (len == (size_t)(-1)) return L"<invalid multibyte string>"; wcs[len] = 0; return *wcs; } #endif #ifdef __ANDROID__ std::string wide_to_narrow(const std::wstring &wcs) { size_t mbl = wcs.size()*4; std::string retval = ""; for (unsigned int i = 0; i < wcs.size(); i++) { wchar_t char1 = (wchar_t) wcs[i]; if (char1 == L'\n') { retval += '\n'; continue; } for (unsigned int j = 0; j < wcslen(wide_chars);j++) { wchar_t char2 = (wchar_t) wide_chars[j]; if (char1 == char2) { char toadd = (j+32); retval += toadd; break; } } } return retval; } #else // not Android std::string wide_to_narrow(const std::wstring &wcs) { size_t mbl = wcs.size() * 4; SharedBuffer<char> mbs(mbl+1); size_t len = wcstombs(*mbs, wcs.c_str(), mbl); if (len == (size_t)(-1)) return "Character conversion failed!"; else mbs[len] = 0; return *mbs; } #endif std::string urlencode(const std::string &str) { // Encodes non-unreserved URI characters by a percent sign // followed by two hex digits. See RFC 3986, section 2.3. static const char url_hex_chars[] = "0123456789ABCDEF"; std::ostringstream oss(std::ios::binary); for (u32 i = 0; i < str.size(); i++) { unsigned char c = str[i]; if (isalnum(c) || c == '-' || c == '.' || c == '_' || c == '~') { oss << c; } else { oss << "%" << url_hex_chars[(c & 0xf0) >> 4] << url_hex_chars[c & 0x0f]; } } return oss.str(); } std::string urldecode(const std::string &str) { // Inverse of urlencode std::ostringstream oss(std::ios::binary); for (u32 i = 0; i < str.size(); i++) { unsigned char highvalue, lowvalue; if (str[i] == '%' && hex_digit_decode(str[i+1], highvalue) && hex_digit_decode(str[i+2], lowvalue)) { oss << (char) ((highvalue << 4) | lowvalue); i += 2; } else { oss << str[i]; } } return oss.str(); } u32 readFlagString(std::string str, const FlagDesc *flagdesc, u32 *flagmask) { u32 result = 0; u32 mask = 0; char *s = &str[0]; char *flagstr; char *strpos = NULL; while ((flagstr = strtok_r(s, ",", &strpos))) { s = NULL; while (*flagstr == ' ' || *flagstr == '\t') flagstr++; bool flagset = true; if (!strncasecmp(flagstr, "no", 2)) { flagset = false; flagstr += 2; } for (int i = 0; flagdesc[i].name; i++) { if (!strcasecmp(flagstr, flagdesc[i].name)) { mask |= flagdesc[i].flag; if (flagset) result |= flagdesc[i].flag; break; } } } if (flagmask) *flagmask = mask; return result; } std::string writeFlagString(u32 flags, const FlagDesc *flagdesc, u32 flagmask) { std::string result; for (int i = 0; flagdesc[i].name; i++) { if (flagmask & flagdesc[i].flag) { if (!(flags & flagdesc[i].flag)) result += "no"; result += flagdesc[i].name; result += ", "; } } size_t len = result.length(); if (len >= 2) result.erase(len - 2, 2); return result; } size_t mystrlcpy(char *dst, const char *src, size_t size) { size_t srclen = strlen(src) + 1; size_t copylen = MYMIN(srclen, size); if (copylen > 0) { memcpy(dst, src, copylen); dst[copylen - 1] = '\0'; } return srclen; } char *mystrtok_r(char *s, const char *sep, char **lasts) { char *t; if (!s) s = *lasts; while (*s && strchr(sep, *s)) s++; if (!*s) return NULL; t = s; while (*t) { if (strchr(sep, *t)) { *t++ = '\0'; break; } t++; } *lasts = t; return s; } u64 read_seed(const char *str) { char *endptr; u64 num; if (str[0] == '0' && str[1] == 'x') num = strtoull(str, &endptr, 16); else num = strtoull(str, &endptr, 10); if (*endptr) num = murmur_hash_64_ua(str, (int)strlen(str), 0x1337); return num; } bool parseColorString(const std::string &value, video::SColor &color, bool quiet) { bool success; if (value[0] == '#') success = parseHexColorString(value, color); else success = parseNamedColorString(value, color); if (!success && !quiet) errorstream << "Invalid color: \"" << value << "\"" << std::endl; return success; } static bool parseHexColorString(const std::string &value, video::SColor &color) { unsigned char components[] = { 0x00, 0x00, 0x00, 0xff }; // R,G,B,A if (value[0] != '#') return false; size_t len = value.size(); bool short_form; if (len == 9 || len == 7) // #RRGGBBAA or #RRGGBB short_form = false; else if (len == 5 || len == 4) // #RGBA or #RGB short_form = true; else return false; bool success = true; for (size_t pos = 1, cc = 0; pos < len; pos++, cc++) { assert(cc < sizeof components / sizeof components[0]); if (short_form) { unsigned char d; if (!hex_digit_decode(value[pos], d)) { success = false; break; } components[cc] = (d & 0xf) << 4 | (d & 0xf); } else { unsigned char d1, d2; if (!hex_digit_decode(value[pos], d1) || !hex_digit_decode(value[pos+1], d2)) { success = false; break; } components[cc] = (d1 & 0xf) << 4 | (d2 & 0xf); pos++; // skip the second digit -- it's already used } } if (success) { color.setRed(components[0]); color.setGreen(components[1]); color.setBlue(components[2]); color.setAlpha(components[3]); } return success; } struct ColorContainer { ColorContainer(); std::map<const std::string, u32> colors; }; ColorContainer::ColorContainer() { colors["aliceblue"] = 0xf0f8ff; colors["antiquewhite"] = 0xfaebd7; colors["aqua"] = 0x00ffff; colors["aquamarine"] = 0x7fffd4; colors["azure"] = 0xf0ffff; colors["beige"] = 0xf5f5dc; colors["bisque"] = 0xffe4c4; colors["black"] = 00000000; colors["blanchedalmond"] = 0xffebcd; colors["blue"] = 0x0000ff; colors["blueviolet"] = 0x8a2be2; colors["brown"] = 0xa52a2a; colors["burlywood"] = 0xdeb887; colors["cadetblue"] = 0x5f9ea0; colors["chartreuse"] = 0x7fff00; colors["chocolate"] = 0xd2691e; colors["coral"] = 0xff7f50; colors["cornflowerblue"] = 0x6495ed; colors["cornsilk"] = 0xfff8dc; colors["crimson"] = 0xdc143c; colors["cyan"] = 0x00ffff; colors["darkblue"] = 0x00008b; colors["darkcyan"] = 0x008b8b; colors["darkgoldenrod"] = 0xb8860b; colors["darkgray"] = 0xa9a9a9; colors["darkgreen"] = 0x006400; colors["darkgrey"] = 0xa9a9a9; colors["darkkhaki"] = 0xbdb76b; colors["darkmagenta"] = 0x8b008b; colors["darkolivegreen"] = 0x556b2f; colors["darkorange"] = 0xff8c00; colors["darkorchid"] = 0x9932cc; colors["darkred"] = 0x8b0000; colors["darksalmon"] = 0xe9967a; colors["darkseagreen"] = 0x8fbc8f; colors["darkslateblue"] = 0x483d8b; colors["darkslategray"] = 0x2f4f4f; colors["darkslategrey"] = 0x2f4f4f; colors["darkturquoise"] = 0x00ced1; colors["darkviolet"] = 0x9400d3; colors["deeppink"] = 0xff1493; colors["deepskyblue"] = 0x00bfff; colors["dimgray"] = 0x696969; colors["dimgrey"] = 0x696969; colors["dodgerblue"] = 0x1e90ff; colors["firebrick"] = 0xb22222; colors["floralwhite"] = 0xfffaf0; colors["forestgreen"] = 0x228b22; colors["fuchsia"] = 0xff00ff; colors["gainsboro"] = 0xdcdcdc; colors["ghostwhite"] = 0xf8f8ff; colors["gold"] = 0xffd700; colors["goldenrod"] = 0xdaa520; colors["gray"] = 0x808080; colors["green"] = 0x008000; colors["greenyellow"] = 0xadff2f; colors["grey"] = 0x808080; colors["honeydew"] = 0xf0fff0; colors["hotpink"] = 0xff69b4; colors["indianred"] = 0xcd5c5c; colors["indigo"] = 0x4b0082; colors["ivory"] = 0xfffff0; colors["khaki"] = 0xf0e68c; colors["lavender"] = 0xe6e6fa; colors["lavenderblush"] = 0xfff0f5; colors["lawngreen"] = 0x7cfc00; colors["lemonchiffon"] = 0xfffacd; colors["lightblue"] = 0xadd8e6; colors["lightcoral"] = 0xf08080; colors["lightcyan"] = 0xe0ffff; colors["lightgoldenrodyellow"] = 0xfafad2; colors["lightgray"] = 0xd3d3d3; colors["lightgreen"] = 0x90ee90; colors["lightgrey"] = 0xd3d3d3; colors["lightpink"] = 0xffb6c1; colors["lightsalmon"] = 0xffa07a; colors["lightseagreen"] = 0x20b2aa; colors["lightskyblue"] = 0x87cefa; colors["lightslategray"] = 0x778899; colors["lightslategrey"] = 0x778899; colors["lightsteelblue"] = 0xb0c4de; colors["lightyellow"] = 0xffffe0; colors["lime"] = 0x00ff00; colors["limegreen"] = 0x32cd32; colors["linen"] = 0xfaf0e6; colors["magenta"] = 0xff00ff; colors["maroon"] = 0x800000; colors["mediumaquamarine"] = 0x66cdaa; colors["mediumblue"] = 0x0000cd; colors["mediumorchid"] = 0xba55d3; colors["mediumpurple"] = 0x9370db; colors["mediumseagreen"] = 0x3cb371; colors["mediumslateblue"] = 0x7b68ee; colors["mediumspringgreen"] = 0x00fa9a; colors["mediumturquoise"] = 0x48d1cc; colors["mediumvioletred"] = 0xc71585; colors["midnightblue"] = 0x191970; colors["mintcream"] = 0xf5fffa; colors["mistyrose"] = 0xffe4e1; colors["moccasin"] = 0xffe4b5; colors["navajowhite"] = 0xffdead; colors["navy"] = 0x000080; colors["oldlace"] = 0xfdf5e6; colors["olive"] = 0x808000; colors["olivedrab"] = 0x6b8e23; colors["orange"] = 0xffa500; colors["orangered"] = 0xff4500; colors["orchid"] = 0xda70d6; colors["palegoldenrod"] = 0xeee8aa; colors["palegreen"] = 0x98fb98; colors["paleturquoise"] = 0xafeeee; colors["palevioletred"] = 0xdb7093; colors["papayawhip"] = 0xffefd5; colors["peachpuff"] = 0xffdab9; colors["peru"] = 0xcd853f; colors["pink"] = 0xffc0cb; colors["plum"] = 0xdda0dd; colors["powderblue"] = 0xb0e0e6; colors["purple"] = 0x800080; colors["red"] = 0xff0000; colors["rosybrown"] = 0xbc8f8f; colors["royalblue"] = 0x4169e1; colors["saddlebrown"] = 0x8b4513; colors["salmon"] = 0xfa8072; colors["sandybrown"] = 0xf4a460; colors["seagreen"] = 0x2e8b57; colors["seashell"] = 0xfff5ee; colors["sienna"] = 0xa0522d; colors["silver"] = 0xc0c0c0; colors["skyblue"] = 0x87ceeb; colors["slateblue"] = 0x6a5acd; colors["slategray"] = 0x708090; colors["slategrey"] = 0x708090; colors["snow"] = 0xfffafa; colors["springgreen"] = 0x00ff7f; colors["steelblue"] = 0x4682b4; colors["tan"] = 0xd2b48c; colors["teal"] = 0x008080; colors["thistle"] = 0xd8bfd8; colors["tomato"] = 0xff6347; colors["turquoise"] = 0x40e0d0; colors["violet"] = 0xee82ee; colors["wheat"] = 0xf5deb3; colors["white"] = 0xffffff; colors["whitesmoke"] = 0xf5f5f5; colors["yellow"] = 0xffff00; colors["yellowgreen"] = 0x9acd32; } static const ColorContainer named_colors; static bool parseNamedColorString(const std::string &value, video::SColor &color) { std::string color_name; std::string alpha_string; /* If the string has a # in it, assume this is the start of a specified * alpha value (if it isn't the string is invalid and the error will be * caught later on, either because the color name won't be found or the * alpha value will fail conversion) */ size_t alpha_pos = value.find('#'); if (alpha_pos != std::string::npos) { color_name = value.substr(0, alpha_pos); alpha_string = value.substr(alpha_pos + 1); } else { color_name = value; } color_name = lowercase(value); std::map<const std::string, unsigned>::const_iterator it; it = named_colors.colors.find(color_name); if (it == named_colors.colors.end()) return false; u32 color_temp = it->second; /* An empty string for alpha is ok (none of the color table entries * have an alpha value either). Color strings without an alpha specified * are interpreted as fully opaque * * For named colors the supplied alpha string (representing a hex value) * must be exactly two digits. For example: colorname#08 */ if (!alpha_string.empty()) { if (alpha_string.length() != 2) return false; unsigned char d1, d2; if (!hex_digit_decode(alpha_string.at(0), d1) || !hex_digit_decode(alpha_string.at(1), d2)) return false; color_temp |= ((d1 & 0xf) << 4 | (d2 & 0xf)) << 24; } else { color_temp |= 0xff << 24; // Fully opaque } color = video::SColor(color_temp); return true; } void str_replace(std::string &str, char from, char to) { std::replace(str.begin(), str.end(), from, to); }