// If input of the form "/20foo" or "/20 foo", returns "foo" and channel 20.
// Otherwise returns input and channel 0.
LLWString LLChatBar::stripChannelNumber(const LLWString &mesg, S32* channel)
{
if (mesg[0] == '/'
&& mesg[1] == '/')
{
// This is a "repeat channel send"
*channel = mLastSpecialChatChannel;
return mesg.substr(2, mesg.length() - 2);
}
else if (mesg[0] == '/'
&& mesg[1]
&& ( LLStringOps::isDigit(mesg[1])
// <edit>
|| mesg[1] == '-' ))
// </edit>
{
// This a special "/20" speak on a channel
S32 pos = 0;
// <edit>
if(mesg[1] == '-')
pos++;
// </edit>
// Copy the channel number into a string
LLWString channel_string;
llwchar c;
do
{
c = mesg[pos+1];
channel_string.push_back(c);
pos++;
}
while(c && pos < 64 && LLStringOps::isDigit(c));
// Move the pointer forward to the first non-whitespace char
// Check isspace before looping, so we can handle "/33foo"
// as well as "/33 foo"
while(c && iswspace(c))
{
c = mesg[pos+1];
pos++;
}
mLastSpecialChatChannel = strtol(wstring_to_utf8str(channel_string).c_str(), NULL, 10);
// <edit>
if(mesg[1] == '-')
mLastSpecialChatChannel = -mLastSpecialChatChannel;
// </edit>
*channel = mLastSpecialChatChannel;
return mesg.substr(pos, mesg.length() - pos);
}
else
{
// This is normal chat.
*channel = 0;
return mesg;
}
}
void LLHUDNameTag::addLabel(const std::string& label_utf8)
{
LLWString wstr = utf8string_to_wstring(label_utf8);
if (!wstr.empty())
{
LLWString seps(utf8str_to_wstring("\r\n"));
LLWString empty;
typedef boost::tokenizer<boost::char_separator<llwchar>, LLWString::const_iterator, LLWString > tokenizer;
boost::char_separator<llwchar> sep(seps.c_str(), empty.c_str(), boost::keep_empty_tokens);
tokenizer tokens(wstr, sep);
tokenizer::iterator iter = tokens.begin();
while (iter != tokens.end())
{
U32 line_length = 0;
do
{
S32 segment_length = mFontp->maxDrawableChars(iter->substr(line_length).c_str(),
HUD_TEXT_MAX_WIDTH, wstr.length(), LLFontGL::WORD_BOUNDARY_IF_POSSIBLE);
LLHUDTextSegment segment(iter->substr(line_length, segment_length), LLFontGL::NORMAL, mColor, mFontp);
mLabelSegments.push_back(segment);
line_length += segment_length;
}
while (line_length != iter->size());
++iter;
}
}
}
bool validateNonNegativeS32(const LLWString &str)
{
LLLocale locale(LLLocale::USER_LOCALE);
LLWString trimmed = str;
LLWStringUtil::trim(trimmed);
S32 len = trimmed.length();
bool success = TRUE;
if(0 < len)
{
if('-' == trimmed[0])
{
success = FALSE;
}
S32 i = 0;
while(success && (i < len))
{
if(!LLStringOps::isDigit(trimmed[i++]))
{
success = FALSE;
}
}
}
if (success)
{
S32 val = strtol(wstring_to_utf8str(trimmed).c_str(), NULL, 10);
if (val < 0)
{
success = FALSE;
}
}
return success;
}
// Used for most names of things stored on the server, due to old file-formats
// that used the pipe (|) for multiline text storage. Examples include
// inventory item names, parcel names, object names, etc.
bool validateASCIIPrintableNoPipe(const LLWString &str)
{
bool rv = TRUE;
S32 len = str.length();
if(len == 0) return rv;
while(len--)
{
llwchar wc = str[len];
if (wc < 0x20
|| wc > 0x7f
|| wc == '|')
{
rv = FALSE;
break;
}
if(!(wc == ' '
|| LLStringOps::isAlnum((char)wc)
|| LLStringOps::isPunct((char)wc) ) )
{
rv = FALSE;
break;
}
}
return rv;
}
// Limits what characters can be used to [1234567890-] with [-] only valid in the first position.
// Does NOT ensure that the string is a well-formed number--that's the job of post-validation--for
// the simple reasons that intermediate states may be invalid even if the final result is valid.
//
bool validateInt(const LLWString &str)
{
LLLocale locale(LLLocale::USER_LOCALE);
bool success = TRUE;
LLWString trimmed = str;
LLWStringUtil::trim(trimmed);
S32 len = trimmed.length();
if( 0 < len )
{
S32 i = 0;
// First character can be a negative sign
if( '-' == trimmed[0] )
{
i++;
}
for( ; i < len; i++ )
{
if( !LLStringOps::isDigit( trimmed[i] ) )
{
success = FALSE;
break;
}
}
}
return success;
}
// Limits what characters can be used to [1234567890.-] with [-] only valid in the first position.
// Does NOT ensure that the string is a well-formed number--that's the job of post-validation--for
// the simple reasons that intermediate states may be invalid even if the final result is valid.
//
bool validateFloat(const LLWString &str)
{
LLLocale locale(LLLocale::USER_LOCALE);
bool success = TRUE;
LLWString trimmed = str;
LLWStringUtil::trim(trimmed);
S32 len = trimmed.length();
if( 0 < len )
{
// May be a comma or period, depending on the locale
llwchar decimal_point = (llwchar)LLResMgr::getInstance()->getDecimalPoint();
S32 i = 0;
// First character can be a negative sign
if( '-' == trimmed[0] )
{
i++;
}
for( ; i < len; i++ )
{
if( (decimal_point != trimmed[i] ) && !LLStringOps::isDigit( trimmed[i] ) )
{
success = FALSE;
break;
}
}
}
return success;
}
void LLFixedBuffer::addLine(const LLWString& line)
{
if (line.empty())
{
return;
}
removeExtraLines();
mLines.push_back(line);
mLineLengths.push_back((S32)line.length());
mAddTimes.push_back(mTimer.getElapsedTimeF32());
}
// Used for multiline text stored on the server.
// Example is landmark description in Places SP.
bool validateASCIIWithNewLine(const LLWString &str)
{
bool rv = TRUE;
S32 len = str.length();
while(len--)
{
if ((str[len] < 0x20 && str[len] != 0xA) || str[len] > 0x7f)
{
rv = FALSE;
break;
}
}
return rv;
}
bool validateASCII(const LLWString &str)
{
bool rv = TRUE;
S32 len = str.length();
while(len--)
{
if (str[len] < 0x20 || str[len] > 0x7f)
{
rv = FALSE;
break;
}
}
return rv;
}
bool validateAlphaNumSpace(const LLWString &str)
{
LLLocale locale(LLLocale::USER_LOCALE);
bool rv = TRUE;
S32 len = str.length();
if(len == 0) return rv;
while(len--)
{
if(!(LLStringOps::isAlnum((char)str[len]) || (' ' == str[len])))
{
rv = FALSE;
break;
}
}
return rv;
}
void LLConsole::addQueuedLines()
{
for (line_queue_t::iterator iter = mLineQueue.begin();
iter != mLineQueue.end(); ++iter)
{
LineInfo& line_info = *iter;
LLWString wline = line_info.wline;
//F32 size = line_info.size;
LLColor4 color = line_info.color;
if (!wline.empty() && mFont != NULL)
{
// Wrap lines that are longer than the view is wide.
S32 offset = 0;
while( offset < (S32)wline.length() )
{
S32 skip_chars; // skip '\n'
// Figure out if a word-wrapped line fits here.
LLWString::size_type line_end = wline.find_first_of(llwchar('\n'), offset);
if (line_end != LLWString::npos)
{
skip_chars = 1; // skip '\n'
}
else
{
line_end = wline.size();
skip_chars = 0;
}
U32 drawable = mFont->maxDrawableChars(wline.c_str()+offset, (F32)mRect.getWidth(), line_end-offset, TRUE);
if (drawable != 0)
{
LLFixedBuffer::addLine(wline.substr(offset, drawable));
mAddTimes[mAddTimes.size()-1] = line_info.add_time;
}
else
{
// force a blank line
LLFixedBuffer::addLine(" ");
}
mColors.push_back(color);
offset += (drawable + skip_chars);
}
}
}
mLineQueue.clear();
}
void DOHexEditor::copy()
{
if(!canCopy()) return;
std::string text;
if(mInData)
{
U32 start = getProperSelectionStart();
U32 end = getProperSelectionEnd();
for(U32 i = start; i < end; i++)
text.append(llformat("%02X", mValue[i]));
}
else
{
U32 start = getProperSelectionStart();
U32 end = getProperSelectionEnd();
for(U32 i = start; i < end; i++)
text.append(llformat("%c", mValue[i]));
}
LLWString wtext = utf8str_to_wstring(text);
gClipboard.copyFromSubstring(wtext, 0, wtext.length());
}
// Checked: 2011-05-26 (RLVa-1.3.1c) | Added: RLVa-1.3.1c
void RlvFloaterBehaviours::onBtnCopyToClipboard() const
{
std::ostringstream strRestrictions;
strRestrictions << RlvStrings::getVersion() << "\n";
const RlvHandler::rlv_object_map_t* pObjects = gRlvHandler.getObjectMap();
for (RlvHandler::rlv_object_map_t::const_iterator itObj = pObjects->begin(), endObj = pObjects->end(); itObj != endObj; ++itObj)
{
strRestrictions << "\n" << rlvGetItemNameFromObjID(itObj->first) << ":\n";
const rlv_command_list_t* pCommands = itObj->second.getCommandList();
for (rlv_command_list_t::const_iterator itCmd = pCommands->begin(), endCmd = pCommands->end(); itCmd != endCmd; ++itCmd)
{
std::string strOption; LLUUID idOption;
if ( (itCmd->hasOption()) && (idOption.set(itCmd->getOption(), FALSE)) && (idOption.notNull()) )
{
LLAvatarName avName;
if (gObjectList.findObject(idOption))
strOption = rlvGetItemNameFromObjID(idOption, true);
else if (LLAvatarNameCache::get(idOption, &avName))
strOption = (!avName.getAccountName().empty()) ? avName.getAccountName() : avName.getDisplayName();
else if (!gCacheName->getGroupName(idOption, strOption))
strOption = itCmd->getOption();
}
strRestrictions << " -> " << itCmd->asString();
if ( (!strOption.empty()) && (strOption != itCmd->getOption()) )
strRestrictions << " [" << strOption << "]";
if (RLV_RET_SUCCESS != itCmd->getReturnType())
strRestrictions << " (" << RlvStrings::getStringFromReturnCode(itCmd->getReturnType()) << ")";
strRestrictions << "\n";
}
}
LLWString wstrRestrictions = utf8str_to_wstring(strRestrictions.str());
gClipboard.copyFromSubstring(wstrRestrictions, 0, wstrRestrictions.length());
}
F32 LLFontGL::getWidthF32(const LLWString& utf32text, const S32 begin_offset, const S32 max_chars, BOOL use_embedded) const
{
const S32 LAST_CHARACTER = LLFontFreetype::LAST_CHAR_FULL;
const S32 max_index = llmin(llmax(max_chars, begin_offset + max_chars), S32(utf32text.length()));
if (max_index <= 0 || begin_offset >= max_index)
return 0;
F32 cur_x = 0;
const LLFontGlyphInfo* next_glyph = NULL;
F32 width_padding = 0.f;
for (S32 i = begin_offset; i < max_index; i++)
{
const llwchar wch = utf32text[i];
const embedded_data_t* ext_data = use_embedded ? getEmbeddedCharData(wch) : NULL;
if (ext_data)
{
// Handle crappy embedded hack
cur_x += getEmbeddedCharAdvance(ext_data);
if(i+1 < max_index)
{
cur_x += EXT_KERNING * sScaleX;
}
}
else
{
const LLFontGlyphInfo* fgi = next_glyph;
next_glyph = NULL;
if(!fgi)
{
fgi = mFontFreetype->getGlyphInfo(wch);
}
F32 advance = mFontFreetype->getXAdvance(fgi);
// for the last character we want to measure the greater of its width and xadvance values
// so keep track of the difference between these values for the each character we measure
// so we can fix things up at the end
width_padding = llmax( 0.f, // always use positive padding amount
width_padding - advance, // previous padding left over after advance of current character
(F32)(fgi->mWidth + fgi->mXBearing) - advance); // difference between width of this character and advance to next character
cur_x += advance;
if ((i + 1) < max_index)
{
llwchar next_char = utf32text[i+1];
if (next_char < LAST_CHARACTER)
{
// Kern this puppy.
next_glyph = mFontFreetype->getGlyphInfo(next_char);
cur_x += mFontFreetype->getXKerning(fgi, next_glyph);
}
}
// Round after kerning.
cur_x = (F32)ll_round(cur_x);
}
}
// add in extra pixels for last character's width past its xadvance
cur_x += width_padding;
return cur_x / sScaleX;
}
// If input of the form "/20foo" or "/20 foo", returns "foo" and channel 20.
// Otherwise returns input and channel 0.
LLWString FSNearbyChat::stripChannelNumber(const LLWString &mesg, S32* channel, S32* last_channel, bool* is_set)
{
*is_set = false;
if (mesg[0] == '/'
&& mesg[1] == '/')
{
// This is a "repeat channel send"
*is_set = true;
*channel = *last_channel;
return mesg.substr(2, mesg.length() - 2);
}
else if (mesg[0] == '/'
&& mesg[1]
//<FS:TS> FIRE-11412: Allow saying /-channel for negative numbers
// (this code was here; documenting for the future)
//&& LLStringOps::isDigit(mesg[1]))
&& (LLStringOps::isDigit(mesg[1])
|| (mesg[1] == '-'
&& mesg[2]
&& LLStringOps::isDigit(mesg[2]))))
//</FS:TS> FIRE-11412
{
// This a special "/20" speak on a channel
*is_set = true;
S32 pos = 0;
//<FS:TS> FIRE-11412: Allow saying /-channel for negative numbers
// (this code was here; documenting for the future)
if (mesg[1] == '-')
{
pos++;
}
//</FS:TS> FIRE-11412
// Copy the channel number into a string
LLWString channel_string;
llwchar c;
do
{
c = mesg[pos + 1];
channel_string.push_back(c);
pos++;
}
while (c && pos < 64 && LLStringOps::isDigit(c));
// Move the pointer forward to the first non-whitespace char
// Check isspace before looping, so we can handle "/33foo"
// as well as "/33 foo"
while (c && iswspace(c))
{
c = mesg[pos+1];
pos++;
}
*last_channel = strtol(wstring_to_utf8str(channel_string).c_str(), NULL, 10);
//<FS:TS> FIRE-11412: Allow saying /-channel for negative numbers
// (this code was here; documenting for the future)
if (mesg[1] == '-')
{
*last_channel = -(*last_channel);
}
//</FS:TS> FIRE-11412
*channel = *last_channel;
return mesg.substr(pos, mesg.length() - pos);
}
else
{
// This is normal chat.
*channel = 0;
return mesg;
}
}
void hud_render_text(const LLWString &wstr, const LLVector3 &pos_agent,
const LLFontGL &font,
const U8 style,
const LLFontGL::ShadowType shadow,
const F32 x_offset, const F32 y_offset,
const LLColor4& color,
const BOOL orthographic)
{
LLViewerCamera* camera = LLViewerCamera::getInstance();
// Do cheap plane culling
LLVector3 dir_vec = pos_agent - camera->getOrigin();
dir_vec /= dir_vec.magVec();
if (wstr.empty() || (!orthographic && dir_vec * camera->getAtAxis() <= 0.f))
{
return;
}
LLVector3 right_axis;
LLVector3 up_axis;
if (orthographic)
{
right_axis.setVec(0.f, -1.f / gViewerWindow->getWorldViewHeightScaled(), 0.f);
up_axis.setVec(0.f, 0.f, 1.f / gViewerWindow->getWorldViewHeightScaled());
}
else
{
camera->getPixelVectors(pos_agent, up_axis, right_axis);
}
LLCoordFrame render_frame = *camera;
LLQuaternion rot;
if (!orthographic)
{
rot = render_frame.getQuaternion();
rot = rot * LLQuaternion(-F_PI_BY_TWO, camera->getYAxis());
rot = rot * LLQuaternion(F_PI_BY_TWO, camera->getXAxis());
}
else
{
rot = LLQuaternion(-F_PI_BY_TWO, LLVector3(0.f, 0.f, 1.f));
rot = rot * LLQuaternion(-F_PI_BY_TWO, LLVector3(0.f, 1.f, 0.f));
}
F32 angle;
LLVector3 axis;
rot.getAngleAxis(&angle, axis);
LLVector3 render_pos = pos_agent + (floorf(x_offset) * right_axis) + (floorf(y_offset) * up_axis);
//get the render_pos in screen space
LLVector3 window_coordinates;
F32& winX = window_coordinates.mV[VX];
F32& winY = window_coordinates.mV[VY];
F32& winZ = window_coordinates.mV[VZ];
const LLRect& world_view_rect = gViewerWindow->getWorldViewRectRaw();
glProjectf(render_pos, gGLModelView, gGLProjection, world_view_rect, window_coordinates);
//fonts all render orthographically, set up projection``
gGL.matrixMode(LLRender::MM_PROJECTION);
gGL.pushMatrix();
gGL.matrixMode(LLRender::MM_MODELVIEW);
gGL.pushMatrix();
LLUI::pushMatrix();
gl_state_for_2d(world_view_rect.getWidth(), world_view_rect.getHeight());
gViewerWindow->setup3DViewport();
winX -= world_view_rect.mLeft;
winY -= world_view_rect.mBottom;
LLUI::loadIdentity();
gGL.loadIdentity();
LLUI::translate((F32) winX*1.0f/LLFontGL::sScaleX, (F32) winY*1.0f/(LLFontGL::sScaleY), -(((F32) winZ*2.f)-1.f));
F32 right_x;
font.render(wstr, 0, 0, 0, color, LLFontGL::LEFT, LLFontGL::BASELINE, style, shadow, wstr.length(), 1000, &right_x);
LLUI::popMatrix();
gGL.popMatrix();
gGL.matrixMode(LLRender::MM_PROJECTION);
gGL.popMatrix();
gGL.matrixMode(LLRender::MM_MODELVIEW);
}
S32 LLFontGL::render(const LLWString &wstr,
const S32 begin_offset,
const F32 x, const F32 y,
const LLColor4 &color,
const HAlign halign, const VAlign valign,
U8 style,
const S32 max_chars, S32 max_pixels,
F32* right_x,
BOOL use_embedded,
BOOL use_ellipses) const
{
if(!sDisplayFont) //do not display texts
{
return wstr.length() ;
}
LLGLEnable tex(GL_TEXTURE_2D);
if (wstr.empty())
{
return 0;
}
S32 scaled_max_pixels = max_pixels == S32_MAX ? S32_MAX : llceil((F32)max_pixels * sScaleX);
// HACK for better bolding
if (style & BOLD)
{
if (this == LLFontGL::sSansSerif)
{
return LLFontGL::sSansSerifBold->render(
wstr, begin_offset,
x, y,
color,
halign, valign,
(style & ~BOLD),
max_chars, max_pixels,
right_x, use_embedded);
}
}
F32 drop_shadow_strength = 0.f;
if (style & (DROP_SHADOW | DROP_SHADOW_SOFT))
{
F32 luminance;
color.calcHSL(NULL, NULL, &luminance);
drop_shadow_strength = clamp_rescale(luminance, 0.35f, 0.6f, 0.f, 1.f);
if (luminance < 0.35f)
{
style = style & ~(DROP_SHADOW | DROP_SHADOW_SOFT);
}
}
gGL.pushMatrix();
glLoadIdentity();
gGL.translatef(floorf(sCurOrigin.mX*sScaleX), floorf(sCurOrigin.mY*sScaleY), sCurOrigin.mZ);
//glScalef(sScaleX, sScaleY, 1.0f);
// avoid half pixels
// RN: if we're going to this trouble, might as well snap to nearest pixel all the time
// but the plan is to get rid of this so that fonts "just work"
//F32 half_pixel_distance = llabs(fmodf(sCurOrigin.mX * sScaleX, 1.f) - 0.5f);
//if (half_pixel_distance < PIXEL_BORDER_THRESHOLD)
//{
gGL.translatef(PIXEL_CORRECTION_DISTANCE*sScaleX, 0.f, 0.f);
//}
// this code would just snap to pixel grid, although it seems to introduce more jitter
//F32 pixel_offset_x = llround(sCurOrigin.mX * sScaleX) - (sCurOrigin.mX * sScaleX);
//F32 pixel_offset_y = llround(sCurOrigin.mY * sScaleY) - (sCurOrigin.mY * sScaleY);
//gGL.translatef(-pixel_offset_x, -pixel_offset_y, 0.f);
// scale back to native pixel size
//glScalef(1.f / sScaleX, 1.f / sScaleY, 1.f);
//glScaled(1.0 / (F64) sScaleX, 1.0 / (F64) sScaleY, 1.0f);
LLFastTimer t(LLFastTimer::FTM_RENDER_FONTS);
gGL.color4fv( color.mV );
S32 chars_drawn = 0;
S32 i;
S32 length;
if (-1 == max_chars)
{
length = (S32)wstr.length() - begin_offset;
}
else
{
length = llmin((S32)wstr.length() - begin_offset, max_chars );
}
F32 cur_x, cur_y, cur_render_x, cur_render_y;
// Bind the font texture
mImageGLp->bind(0);
// Not guaranteed to be set correctly
gGL.setSceneBlendType(LLRender::BT_ALPHA);
cur_x = ((F32)x * sScaleX);
cur_y = ((F32)y * sScaleY);
// Offset y by vertical alignment.
switch (valign)
{
case TOP:
cur_y -= mAscender;
break;
case BOTTOM:
cur_y += mDescender;
break;
case VCENTER:
cur_y -= ((mAscender - mDescender)/2.f);
break;
case BASELINE:
// Baseline, do nothing.
break;
default:
break;
}
switch (halign)
{
case LEFT:
break;
case RIGHT:
cur_x -= llmin(scaled_max_pixels, llround(getWidthF32(wstr.c_str(), 0, length) * sScaleX));
break;
case HCENTER:
cur_x -= llmin(scaled_max_pixels, llround(getWidthF32(wstr.c_str(), 0, length) * sScaleX)) / 2;
break;
default:
break;
}
// Round properly.
//cur_render_y = (F32)llfloor(cur_y/sScaleY + 0.5f)*sScaleY;
//cur_render_x = (F32)llfloor(cur_x/sScaleX + 0.5f)*sScaleX;
cur_render_y = cur_y;
cur_render_x = cur_x;
F32 start_x = cur_x;
F32 inv_width = 1.f / mImageGLp->getWidth();
F32 inv_height = 1.f / mImageGLp->getHeight();
const S32 LAST_CHARACTER = LLFont::LAST_CHAR_FULL;
BOOL draw_ellipses = FALSE;
if (use_ellipses && halign == LEFT)
{
// check for too long of a string
if (getWidthF32(wstr.c_str(), 0, max_chars) * sScaleX > scaled_max_pixels)
{
// use four dots for ellipsis width to generate padding
const LLWString dots(utf8str_to_wstring(std::string("....")));
scaled_max_pixels = llmax(0, scaled_max_pixels - llround(getWidthF32(dots.c_str())));
draw_ellipses = TRUE;
}
}
for (i = begin_offset; i < begin_offset + length; i++)
{
llwchar wch = wstr[i];
// Handle embedded characters first, if they're enabled.
// Embedded characters are a hack for notecards
const embedded_data_t* ext_data = use_embedded ? getEmbeddedCharData(wch) : NULL;
if (ext_data)
{
LLImageGL* ext_image = ext_data->mImage;
const LLWString& label = ext_data->mLabel;
F32 ext_height = (F32)ext_image->getHeight() * sScaleY;
F32 ext_width = (F32)ext_image->getWidth() * sScaleX;
F32 ext_advance = (EXT_X_BEARING * sScaleX) + ext_width;
if (!label.empty())
{
ext_advance += (EXT_X_BEARING + gExtCharFont->getWidthF32( label.c_str() )) * sScaleX;
}
if (start_x + scaled_max_pixels < cur_x + ext_advance)
{
// Not enough room for this character.
break;
}
ext_image->bind();
const F32 ext_x = cur_render_x + (EXT_X_BEARING * sScaleX);
const F32 ext_y = cur_render_y + (EXT_Y_BEARING * sScaleY + mAscender - mLineHeight);
LLRectf uv_rect(0.f, 1.f, 1.f, 0.f);
LLRectf screen_rect(ext_x, ext_y + ext_height, ext_x + ext_width, ext_y);
drawGlyph(screen_rect, uv_rect, LLColor4::white, style, drop_shadow_strength);
if (!label.empty())
{
gGL.pushMatrix();
//glLoadIdentity();
//gGL.translatef(sCurOrigin.mX, sCurOrigin.mY, 0.0f);
//glScalef(sScaleX, sScaleY, 1.f);
gExtCharFont->render(label, 0,
/*llfloor*/((ext_x + (F32)ext_image->getWidth() + EXT_X_BEARING) / sScaleX),
/*llfloor*/(cur_y / sScaleY),
color,
halign, BASELINE, NORMAL, S32_MAX, S32_MAX, NULL,
TRUE );
gGL.popMatrix();
}
gGL.color4fv(color.mV);
chars_drawn++;
cur_x += ext_advance;
if (((i + 1) < length) && wstr[i+1])
{
cur_x += EXT_KERNING * sScaleX;
}
cur_render_x = cur_x;
// Bind the font texture
mImageGLp->bind();
}
else
{
if (!hasGlyph(wch))
{
(const_cast<LLFontGL*>(this))->addChar(wch);
}
const LLFontGlyphInfo* fgi= getGlyphInfo(wch);
if (!fgi)
{
llerrs << "Missing Glyph Info" << llendl;
break;
}
if ((start_x + scaled_max_pixels) < (cur_x + fgi->mXBearing + fgi->mWidth))
{
// Not enough room for this character.
break;
}
// Draw the text at the appropriate location
//Specify vertices and texture coordinates
LLRectf uv_rect((fgi->mXBitmapOffset - PAD_AMT) * inv_width,
(fgi->mYBitmapOffset + fgi->mHeight + PAD_AMT) * inv_height,
(fgi->mXBitmapOffset + fgi->mWidth + PAD_AMT) * inv_width,
(fgi->mYBitmapOffset - PAD_AMT) * inv_height);
LLRectf screen_rect(cur_render_x + (F32)fgi->mXBearing - PAD_AMT,
cur_render_y + (F32)fgi->mYBearing + PAD_AMT,
cur_render_x + (F32)fgi->mXBearing + (F32)fgi->mWidth + PAD_AMT,
cur_render_y + (F32)fgi->mYBearing - (F32)fgi->mHeight - PAD_AMT);
drawGlyph(screen_rect, uv_rect, color, style, drop_shadow_strength);
chars_drawn++;
cur_x += fgi->mXAdvance;
cur_y += fgi->mYAdvance;
llwchar next_char = wstr[i+1];
if (next_char && (next_char < LAST_CHARACTER))
{
// Kern this puppy.
if (!hasGlyph(next_char))
{
(const_cast<LLFontGL*>(this))->addChar(next_char);
}
cur_x += getXKerning(wch, next_char);
}
// Round after kerning.
// Must do this to cur_x, not just to cur_render_x, otherwise you
// will squish sub-pixel kerned characters too close together.
// For example, "CCCCC" looks bad.
cur_x = (F32)llfloor(cur_x + 0.5f);
//cur_y = (F32)llfloor(cur_y + 0.5f);
cur_render_x = cur_x;
cur_render_y = cur_y;
}
}
if (right_x)
{
*right_x = cur_x / sScaleX;
}
if (style & UNDERLINE)
{
LLGLSNoTexture no_texture;
gGL.begin(LLVertexBuffer::LINES);
gGL.vertex2f(start_x, cur_y - (mDescender));
gGL.vertex2f(cur_x, cur_y - (mDescender));
gGL.end();
}
// *FIX: get this working in all alignment cases, etc.
if (draw_ellipses)
{
// recursively render ellipses at end of string
// we've already reserved enough room
gGL.pushMatrix();
//glLoadIdentity();
//gGL.translatef(sCurOrigin.mX, sCurOrigin.mY, 0.0f);
//glScalef(sScaleX, sScaleY, 1.f);
renderUTF8(std::string("..."),
0,
cur_x / sScaleX, (F32)y,
color,
LEFT, valign,
style,
S32_MAX, max_pixels,
right_x,
FALSE);
gGL.popMatrix();
}
gGL.popMatrix();
return chars_drawn;
}
S32 LLFontGL::charFromPixelOffset(const LLWString& utf32text, const S32 begin_offset, F32 target_x, F32 max_pixels, S32 max_chars, BOOL round, BOOL use_embedded) const
{
const S32 max_index = llmin(llmax(max_chars,begin_offset + max_chars), S32(utf32text.length()));
if (max_index <= 0 || begin_offset >= max_index || max_pixels <= 0.f)
return 0;
F32 cur_x = 0;
target_x *= sScaleX;
F32 scaled_max_pixels = max_pixels * sScaleX;
const LLFontGlyphInfo* next_glyph = NULL;
S32 pos;
for (pos = begin_offset; pos < max_index; pos++)
{
llwchar wch = utf32text[pos];
if (!wch)
{
break; // done
}
const embedded_data_t* ext_data = use_embedded ? getEmbeddedCharData(wch) : NULL;
const LLFontGlyphInfo* glyph = next_glyph;
next_glyph = NULL;
if(!glyph && !ext_data)
{
glyph = mFontFreetype->getGlyphInfo(wch);
}
F32 char_width = ext_data ? getEmbeddedCharAdvance(ext_data) : mFontFreetype->getXAdvance(glyph);
if (round)
{
// Note: if the mouse is on the left half of the character, the pick is to the character's left
// If it's on the right half, the pick is to the right.
if (target_x < cur_x + char_width*0.5f)
{
break;
}
}
else if (target_x < cur_x + char_width)
{
break;
}
if (scaled_max_pixels < cur_x + char_width)
{
break;
}
cur_x += char_width;
if ((pos + 1) < max_index)
{
if(ext_data)
{
cur_x += EXT_KERNING * sScaleX;
}
else
{
next_glyph = mFontFreetype->getGlyphInfo(utf32text[pos + 1]);
cur_x += mFontFreetype->getXKerning(glyph, next_glyph);
}
}
// Round after kerning.
cur_x = (F32)ll_round(cur_x);
}
return pos - begin_offset;
}
void LLProgressView::draw()
{
static LLTimer timer;
if (gNoRender)
{
return;
}
// Make sure the progress view always fills the entire window.
S32 width = gViewerWindow->getWindowWidth();
S32 height = gViewerWindow->getWindowHeight();
if( (width != getRect().getWidth()) || (height != getRect().getHeight()) )
{
reshape( width, height );
}
// Paint bitmap if we've got one
glPushMatrix();
if (gStartImageGL)
{
LLGLSUIDefault gls_ui;
LLViewerImage::bindTexture(gStartImageGL);
gGL.color4f(1.f, 1.f, 1.f, mFadeTimer.getStarted() ? clamp_rescale(mFadeTimer.getElapsedTimeF32(), 0.f, FADE_IN_TIME, 1.f, 0.f) : 1.f);
F32 image_aspect = (F32)gStartImageWidth / (F32)gStartImageHeight;
F32 view_aspect = (F32)width / (F32)height;
// stretch image to maintain aspect ratio
if (image_aspect > view_aspect)
{
glTranslatef(-0.5f * (image_aspect / view_aspect - 1.f) * width, 0.f, 0.f);
glScalef(image_aspect / view_aspect, 1.f, 1.f);
}
else
{
glTranslatef(0.f, -0.5f * (view_aspect / image_aspect - 1.f) * height, 0.f);
glScalef(1.f, view_aspect / image_aspect, 1.f);
}
gl_rect_2d_simple_tex( getRect().getWidth(), getRect().getHeight() );
gStartImageGL->unbindTexture(0, GL_TEXTURE_2D);
}
else
{
LLGLSNoTexture gls_no_texture;
gGL.color4f(0.f, 0.f, 0.f, 1.f);
gl_rect_2d(getRect());
}
glPopMatrix();
// Handle fade-in animation
if (mFadeTimer.getStarted())
{
LLView::draw();
if (mFadeTimer.getElapsedTimeF32() > FADE_IN_TIME)
{
gFocusMgr.removeTopCtrlWithoutCallback(this);
LLView::setVisible(FALSE);
gStartImageGL = NULL;
}
return;
}
S32 line_x = getRect().getWidth() / 2;
S32 line_one_y = getRect().getHeight() / 2 + 64;
const S32 LINE_SPACING = 25;
S32 line_two_y = line_one_y - LINE_SPACING;
const LLFontGL* font = LLFontGL::sSansSerif;
LLUIImagePtr shadow_imagep = LLUI::getUIImage("rounded_square_soft.tga");
LLUIImagePtr bar_fg_imagep = LLUI::getUIImage("progressbar_fill.tga");
LLUIImagePtr bar_bg_imagep = LLUI::getUIImage("progressbar_track.tga");
LLUIImagePtr bar_imagep = LLUI::getUIImage("rounded_square.tga");
LLColor4 background_color = gColors.getColor("LoginProgressBarBgColor");
F32 alpha = 0.5f + 0.5f*0.5f*(1.f + (F32)sin(3.f*timer.getElapsedTimeF32()));
// background_color.mV[3] = background_color.mV[3]*alpha;
std::string top_line = LLAppViewer::instance()->getSecondLifeTitle();
S32 bar_bottom = line_two_y - 30;
S32 bar_height = 18;
S32 bar_width = getRect().getWidth() * 2 / 3;
S32 bar_left = (getRect().getWidth() / 2) - (bar_width / 2);
// translucent outline box
S32 background_box_left = ( ( ( getRect().getWidth() / 2 ) - ( bar_width / 2 ) ) / 4 ) * 3;
S32 background_box_top = ( getRect().getHeight() / 2 ) + LINE_SPACING * 5;
S32 background_box_right = getRect().getWidth() - background_box_left;
S32 background_box_bottom = ( getRect().getHeight() / 2 ) - LINE_SPACING * 5;
S32 background_box_width = background_box_right - background_box_left + 1;
S32 background_box_height = background_box_top - background_box_bottom + 1;
// shadow_imagep->draw( background_box_left + 2,
// background_box_bottom - 2,
// background_box_width,
// background_box_height,
// gColors.getColor( "LoginProgressBoxShadowColor" ) );
// bar_outline_imagep->draw( background_box_left,
// background_box_bottom,
// background_box_width,
// background_box_height,
// gColors.getColor("LoginProgressBoxBorderColor") );
bar_imagep->draw( background_box_left + 1,
background_box_bottom + 1,
background_box_width - 2,
background_box_height - 2,
gColors.getColor("LoginProgressBoxCenterColor") );
// we'll need this later for catching a click if it looks like it contains a link
if ( mMessage.find( "http://" ) != std::string::npos )
mOutlineRect.set( background_box_left, background_box_top, background_box_right, background_box_bottom );
else
mOutlineRect.set( 0, 0, 0, 0 );
// draw loading bar
font->renderUTF8(top_line, 0,
line_x, line_one_y,
//LLColor4::white,
gColors.getColor("LoginProgressBoxTextColor"),
LLFontGL::HCENTER, LLFontGL::BASELINE,
LLFontGL::DROP_SHADOW);
font->renderUTF8(mText, 0,
line_x, line_two_y,
//LLColor4::white,
gColors.getColor("LoginProgressBoxTextColor"),
LLFontGL::HCENTER, LLFontGL::BASELINE,
LLFontGL::DROP_SHADOW);
// shadow_imagep->draw(
// bar_left + 2,
// bar_bottom - 2,
// bar_width,
// bar_height,
// gColors.getColor("LoginProgressBoxShadowColor"));
// bar_imagep->draw(
// bar_left,
// bar_bottom,
// bar_width,
// bar_height,
// LLColor4(0.7f, 0.7f, 0.8f, 1.0f));
bar_bg_imagep->draw(
bar_left + 2,
bar_bottom + 2,
bar_width - 4,
bar_height - 4,
background_color);
LLColor4 bar_color = gColors.getColor("LoginProgressBarFgColor");
bar_color.mV[3] = alpha;
bar_fg_imagep->draw(
bar_left + 2,
bar_bottom + 2,
llround((bar_width - 4) * (mPercentDone / 100.f)),
bar_height - 4,
bar_color);
S32 line_three_y = line_two_y - LINE_SPACING * 3;
// draw the message if there is one
if(!mMessage.empty())
{
LLColor4 text_message_color = gColors.getColor("LoginProgressBoxTextColor");
LLWString wmessage = utf8str_to_wstring(mMessage);
const F32 MAX_PIXELS = 640.0f;
S32 chars_left = wmessage.length();
S32 chars_this_time = 0;
S32 msgidx = 0;
while(chars_left > 0)
{
chars_this_time = font->maxDrawableChars(wmessage.substr(msgidx).c_str(),
MAX_PIXELS,
MAX_STRING - 1,
TRUE);
LLWString wbuffer = wmessage.substr(msgidx, chars_this_time);
font->render(wbuffer, 0,
(F32)line_x, (F32)line_three_y,
//LLColor4::white,
gColors.getColor("LoginProgressBoxTextColor"),
LLFontGL::HCENTER, LLFontGL::BASELINE,
LLFontGL::DROP_SHADOW);
msgidx += chars_this_time;
chars_left -= chars_this_time;
line_three_y -= LINE_SPACING;
}
}
// draw children
LLView::draw();
}
S32 LLFontGL::render(const LLWString &wstr,
const S32 begin_offset,
const F32 x, const F32 y,
const LLColor4 &color,
const HAlign halign, const VAlign valign,
U8 style,
const S32 max_chars, S32 max_pixels,
F32* right_x,
BOOL use_embedded,
BOOL use_ellipses) const
{
if(!sDisplayFont) //do not display texts
{
return wstr.length() ;
}
if (wstr.empty())
{
return 0;
}
gGL.getTexUnit(0)->enable(LLTexUnit::TT_TEXTURE);
S32 scaled_max_pixels = max_pixels == S32_MAX ? S32_MAX : llceil((F32)max_pixels * sScaleX);
// Strip off any style bits that are already accounted for by the font.
style = style & (~getFontDesc().getStyle());
F32 drop_shadow_strength = 0.f;
if (style & (DROP_SHADOW | DROP_SHADOW_SOFT))
{
F32 luminance;
color.calcHSL(NULL, NULL, &luminance);
drop_shadow_strength = clamp_rescale(luminance, 0.35f, 0.6f, 0.f, 1.f);
if (luminance < 0.35f)
{
style = style & ~(DROP_SHADOW | DROP_SHADOW_SOFT);
}
}
gGL.pushMatrix();
glLoadIdentity();
gGL.translatef(floorf(sCurOrigin.mX*sScaleX), floorf(sCurOrigin.mY*sScaleY), sCurOrigin.mZ);
// this code snaps the text origin to a pixel grid to start with
F32 pixel_offset_x = llround((F32)sCurOrigin.mX) - (sCurOrigin.mX);
F32 pixel_offset_y = llround((F32)sCurOrigin.mY) - (sCurOrigin.mY);
gGL.translatef(-pixel_offset_x, -pixel_offset_y, 0.f);
LLFastTimer t(LLFastTimer::FTM_RENDER_FONTS);
gGL.color4fv( color.mV );
S32 chars_drawn = 0;
S32 i;
S32 length;
if (-1 == max_chars)
{
length = (S32)wstr.length() - begin_offset;
}
else
{
length = llmin((S32)wstr.length() - begin_offset, max_chars );
}
F32 cur_x, cur_y, cur_render_x, cur_render_y;
// Not guaranteed to be set correctly
gGL.setSceneBlendType(LLRender::BT_ALPHA);
cur_x = ((F32)x * sScaleX);
cur_y = ((F32)y * sScaleY);
// Offset y by vertical alignment.
switch (valign)
{
case TOP:
cur_y -= mAscender;
break;
case BOTTOM:
cur_y += mDescender;
break;
case VCENTER:
cur_y -= ((mAscender - mDescender)/2.f);
break;
case BASELINE:
// Baseline, do nothing.
break;
default:
break;
}
switch (halign)
{
case LEFT:
break;
case RIGHT:
cur_x -= llmin(scaled_max_pixels, llround(getWidthF32(wstr.c_str(), 0, length) * sScaleX));
break;
case HCENTER:
cur_x -= llmin(scaled_max_pixels, llround(getWidthF32(wstr.c_str(), 0, length) * sScaleX)) / 2;
break;
default:
break;
}
cur_render_y = cur_y;
cur_render_x = cur_x;
F32 start_x = cur_x;
F32 inv_width = 1.f / mFontBitmapCachep->getBitmapWidth();
F32 inv_height = 1.f / mFontBitmapCachep->getBitmapHeight();
const S32 LAST_CHARACTER = LLFont::LAST_CHAR_FULL;
BOOL draw_ellipses = FALSE;
if (use_ellipses && halign == LEFT)
{
// check for too long of a string
if (getWidthF32(wstr.c_str(), 0, max_chars) * sScaleX > scaled_max_pixels)
{
// use four dots for ellipsis width to generate padding
const LLWString dots(utf8str_to_wstring(std::string("....")));
scaled_max_pixels = llmax(0, scaled_max_pixels - llround(getWidthF32(dots.c_str())));
draw_ellipses = TRUE;
}
}
// Remember last-used texture to avoid unnecesssary bind calls.
LLImageGL *last_bound_texture = NULL;
for (i = begin_offset; i < begin_offset + length; i++)
{
llwchar wch = wstr[i];
// Handle embedded characters first, if they're enabled.
// Embedded characters are a hack for notecards
const embedded_data_t* ext_data = use_embedded ? getEmbeddedCharData(wch) : NULL;
if (ext_data)
{
LLImageGL* ext_image = ext_data->mImage;
const LLWString& label = ext_data->mLabel;
F32 ext_height = (F32)ext_image->getHeight() * sScaleY;
F32 ext_width = (F32)ext_image->getWidth() * sScaleX;
F32 ext_advance = (EXT_X_BEARING * sScaleX) + ext_width;
if (!label.empty())
{
ext_advance += (EXT_X_BEARING + getFontExtChar()->getWidthF32( label.c_str() )) * sScaleX;
}
if (start_x + scaled_max_pixels < cur_x + ext_advance)
{
// Not enough room for this character.
break;
}
if (last_bound_texture != ext_image)
{
gGL.getTexUnit(0)->bind(ext_image);
last_bound_texture = ext_image;
}
// snap origin to whole screen pixel
const F32 ext_x = (F32)llround(cur_render_x + (EXT_X_BEARING * sScaleX));
const F32 ext_y = (F32)llround(cur_render_y + (EXT_Y_BEARING * sScaleY + mAscender - mLineHeight));
LLRectf uv_rect(0.f, 1.f, 1.f, 0.f);
LLRectf screen_rect(ext_x, ext_y + ext_height, ext_x + ext_width, ext_y);
drawGlyph(screen_rect, uv_rect, LLColor4::white, style, drop_shadow_strength);
if (!label.empty())
{
gGL.pushMatrix();
//glLoadIdentity();
//gGL.translatef(sCurOrigin.mX, sCurOrigin.mY, 0.0f);
//glScalef(sScaleX, sScaleY, 1.f);
getFontExtChar()->render(label, 0,
/*llfloor*/((ext_x + (F32)ext_image->getWidth() + EXT_X_BEARING) / sScaleX),
/*llfloor*/(cur_y / sScaleY),
color,
halign, BASELINE, NORMAL, S32_MAX, S32_MAX, NULL,
TRUE );
gGL.popMatrix();
}
gGL.color4fv(color.mV);
chars_drawn++;
cur_x += ext_advance;
if (((i + 1) < length) && wstr[i+1])
{
cur_x += EXT_KERNING * sScaleX;
}
cur_render_x = cur_x;
}
else
{
if (!hasGlyph(wch))
{
addChar(wch);
}
const LLFontGlyphInfo* fgi= getGlyphInfo(wch);
if (!fgi)
{
llerrs << "Missing Glyph Info" << llendl;
break;
}
// Per-glyph bitmap texture.
LLImageGL *image_gl = mFontBitmapCachep->getImageGL(fgi->mBitmapNum);
if (last_bound_texture != image_gl)
{
gGL.getTexUnit(0)->bind(image_gl);
last_bound_texture = image_gl;
}
if ((start_x + scaled_max_pixels) < (cur_x + fgi->mXBearing + fgi->mWidth))
{
// Not enough room for this character.
break;
}
// Draw the text at the appropriate location
//Specify vertices and texture coordinates
LLRectf uv_rect((fgi->mXBitmapOffset) * inv_width,
(fgi->mYBitmapOffset + fgi->mHeight + PAD_UVY) * inv_height,
(fgi->mXBitmapOffset + fgi->mWidth) * inv_width,
(fgi->mYBitmapOffset - PAD_UVY) * inv_height);
// snap glyph origin to whole screen pixel
LLRectf screen_rect(llround(cur_render_x + (F32)fgi->mXBearing),
llround(cur_render_y + (F32)fgi->mYBearing),
llround(cur_render_x + (F32)fgi->mXBearing) + (F32)fgi->mWidth,
llround(cur_render_y + (F32)fgi->mYBearing) - (F32)fgi->mHeight);
drawGlyph(screen_rect, uv_rect, color, style, drop_shadow_strength);
chars_drawn++;
cur_x += fgi->mXAdvance;
cur_y += fgi->mYAdvance;
llwchar next_char = wstr[i+1];
if (next_char && (next_char < LAST_CHARACTER))
{
// Kern this puppy.
if (!hasGlyph(next_char))
{
addChar(next_char);
}
cur_x += getXKerning(wch, next_char);
}
// Round after kerning.
// Must do this to cur_x, not just to cur_render_x, otherwise you
// will squish sub-pixel kerned characters too close together.
// For example, "CCCCC" looks bad.
cur_x = (F32)llfloor(cur_x + 0.5f);
//cur_y = (F32)llfloor(cur_y + 0.5f);
cur_render_x = cur_x;
cur_render_y = cur_y;
}
}
if (right_x)
{
*right_x = cur_x / sScaleX;
}
if (style & UNDERLINE)
{
gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
gGL.begin(LLRender::LINES);
gGL.vertex2f(start_x, cur_y - (mDescender));
gGL.vertex2f(cur_x, cur_y - (mDescender));
gGL.end();
}
// *FIX: get this working in all alignment cases, etc.
if (draw_ellipses)
{
// recursively render ellipses at end of string
// we've already reserved enough room
gGL.pushMatrix();
//glLoadIdentity();
//gGL.translatef(sCurOrigin.mX, sCurOrigin.mY, 0.0f);
//glScalef(sScaleX, sScaleY, 1.f);
renderUTF8(std::string("..."),
0,
cur_x / sScaleX, (F32)y,
color,
LEFT, valign,
style,
S32_MAX, max_pixels,
right_x,
FALSE);
gGL.popMatrix();
}
gGL.popMatrix();
return chars_drawn;
}
void hud_render_text(const LLWString &wstr, const LLVector3 &pos_agent,
const LLFontGL &font,
const U8 style,
const F32 x_offset, const F32 y_offset,
const LLColor4& color,
const BOOL orthographic)
{
LLViewerCamera* camera = LLViewerCamera::getInstance();
// Do cheap plane culling
LLVector3 dir_vec = pos_agent - camera->getOrigin();
dir_vec /= dir_vec.magVec();
if (wstr.empty() || (!orthographic && dir_vec * camera->getAtAxis() <= 0.f))
{
return;
}
LLVector3 right_axis;
LLVector3 up_axis;
if (orthographic)
{
right_axis.setVec(0.f, -1.f / gViewerWindow->getWindowHeight(), 0.f);
up_axis.setVec(0.f, 0.f, 1.f / gViewerWindow->getWindowHeight());
}
else
{
camera->getPixelVectors(pos_agent, up_axis, right_axis);
}
LLCoordFrame render_frame = *camera;
LLQuaternion rot;
if (!orthographic)
{
rot = render_frame.getQuaternion();
rot = rot * LLQuaternion(-F_PI_BY_TWO, camera->getYAxis());
rot = rot * LLQuaternion(F_PI_BY_TWO, camera->getXAxis());
}
else
{
rot = LLQuaternion(-F_PI_BY_TWO, LLVector3(0.f, 0.f, 1.f));
rot = rot * LLQuaternion(-F_PI_BY_TWO, LLVector3(0.f, 1.f, 0.f));
}
F32 angle;
LLVector3 axis;
rot.getAngleAxis(&angle, axis);
LLVector3 render_pos = pos_agent + (floorf(x_offset) * right_axis) + (floorf(y_offset) * up_axis);
//get the render_pos in screen space
F64 winX, winY, winZ;
gluProject(render_pos.mV[0], render_pos.mV[1], render_pos.mV[2],
gGLModelView, gGLProjection, (GLint*) gGLViewport,
&winX, &winY, &winZ);
//fonts all render orthographically, set up projection
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glMatrixMode(GL_MODELVIEW);
LLUI::pushMatrix();
gViewerWindow->setup2DRender();
LLUI::loadIdentity();
LLUI::translate((F32) winX*1.0f/LLFontGL::sScaleX, (F32) winY*1.0f/(LLFontGL::sScaleY), -(((F32) winZ*2.f)-1.f));
//glRotatef(angle * RAD_TO_DEG, axis.mV[VX], axis.mV[VY], axis.mV[VZ]);
//glScalef(right_scale, up_scale, 1.f);
F32 right_x;
font.render(wstr, 0, 0, 0, color, LLFontGL::LEFT, LLFontGL::BASELINE, style, wstr.length(), 1000, &right_x);
LLUI::popMatrix();
glMatrixMode(GL_PROJECTION);
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
}
S32 LLFontGL::render(const LLWString &wstr, S32 begin_offset, F32 x, F32 y, const LLColor4 &color, HAlign halign, VAlign valign, U8 style,
ShadowType shadow, S32 max_chars, S32 max_pixels, F32* right_x, BOOL use_embedded, BOOL use_ellipses) const
{
LLFastTimer _(FTM_RENDER_FONTS);
if(!sDisplayFont) //do not display texts
{
return wstr.length() ;
}
if (wstr.empty() || !max_pixels)
{
return 0;
}
if (max_chars == -1)
max_chars = S32_MAX;
const S32 max_index = llmin(llmax(max_chars, begin_offset + max_chars), S32(wstr.length()));
if (max_index <= 0 || begin_offset >= max_index || max_pixels <= 0)
return 0;
gGL.getTexUnit(0)->enable(LLTexUnit::TT_TEXTURE);
S32 scaled_max_pixels = max_pixels == S32_MAX ? S32_MAX : llceil((F32)max_pixels * sScaleX);
// Strip off any style bits that are already accounted for by the font.
style = style & (~getFontDesc().getStyle());
F32 drop_shadow_strength = 0.f;
if (shadow != NO_SHADOW)
{
F32 luminance;
color.calcHSL(NULL, NULL, &luminance);
drop_shadow_strength = clamp_rescale(luminance, 0.35f, 0.6f, 0.f, 1.f);
if (luminance < 0.35f)
{
shadow = NO_SHADOW;
}
}
gGL.pushUIMatrix();
gGL.loadUIIdentity();
LLVector2 origin(floorf(sCurOrigin.mX*sScaleX), floorf(sCurOrigin.mY*sScaleY));
// Depth translation, so that floating text appears 'in-world'
// and is correctly occluded.
gGL.translatef(0.f,0.f,sCurDepth);
S32 chars_drawn = 0;
S32 i;
S32 length = max_index - begin_offset;
F32 cur_x, cur_y, cur_render_x, cur_render_y;
// Not guaranteed to be set correctly
gGL.setSceneBlendType(LLRender::BT_ALPHA);
cur_x = ((F32)x * sScaleX) + origin.mV[VX];
cur_y = ((F32)y * sScaleY) + origin.mV[VY];
// Offset y by vertical alignment.
// use unscaled font metrics here
switch (valign)
{
case TOP:
cur_y -= llceil(mFontFreetype->getAscenderHeight());
break;
case BOTTOM:
cur_y += llceil(mFontFreetype->getDescenderHeight());
break;
case VCENTER:
cur_y -= llceil((llceil(mFontFreetype->getAscenderHeight()) - llceil(mFontFreetype->getDescenderHeight())) / 2.f);
break;
case BASELINE:
// Baseline, do nothing.
break;
default:
break;
}
switch (halign)
{
case LEFT:
break;
case RIGHT:
cur_x -= llmin(scaled_max_pixels, ll_round(getWidthF32(wstr.c_str(), begin_offset, length) * sScaleX));
break;
case HCENTER:
cur_x -= llmin(scaled_max_pixels, ll_round(getWidthF32(wstr.c_str(), begin_offset, length) * sScaleX)) / 2;
break;
default:
break;
}
cur_render_y = cur_y;
cur_render_x = cur_x;
F32 start_x = (F32)ll_round(cur_x);
const LLFontBitmapCache* font_bitmap_cache = mFontFreetype->getFontBitmapCache();
F32 inv_width = 1.f / font_bitmap_cache->getBitmapWidth();
F32 inv_height = 1.f / font_bitmap_cache->getBitmapHeight();
const S32 LAST_CHARACTER = LLFontFreetype::LAST_CHAR_FULL;
BOOL draw_ellipses = FALSE;
if (use_ellipses && halign == LEFT)
{
// check for too long of a string
S32 string_width = ll_round(getWidthF32(wstr, begin_offset, max_chars) * sScaleX);
if (string_width > scaled_max_pixels)
{
// use four dots for ellipsis width to generate padding
const LLWString dots(utf8str_to_wstring(std::string("....")));
scaled_max_pixels = llmax(0, scaled_max_pixels - ll_round(getWidthF32(dots.c_str())));
draw_ellipses = TRUE;
}
}
const LLFontGlyphInfo* next_glyph = NULL;
const S32 GLYPH_BATCH_SIZE = 30;
static LL_ALIGN_16(LLVector4a vertices[GLYPH_BATCH_SIZE * 4]);
static LLVector2 uvs[GLYPH_BATCH_SIZE * 4];
static LLColor4U colors[GLYPH_BATCH_SIZE * 4];
LLColor4U text_color(color);
S32 bitmap_num = -1;
S32 glyph_count = 0;
for (i = begin_offset; i < begin_offset + length; i++)
{
llwchar wch = wstr[i];
// Handle embedded characters first, if they're enabled.
// Embedded characters are a hack for notecards
const embedded_data_t* ext_data = use_embedded ? getEmbeddedCharData(wch) : NULL;
if (ext_data)
{
LLImageGL* ext_image = ext_data->mImage;
const LLWString& label = ext_data->mLabel;
F32 ext_height = (F32)ext_image->getHeight() * sScaleY;
F32 ext_width = (F32)ext_image->getWidth() * sScaleX;
F32 ext_advance = (EXT_X_BEARING * sScaleX) + ext_width;
if (!label.empty())
{
ext_advance += (EXT_X_BEARING + getFontExtChar()->getWidthF32( label.c_str() )) * sScaleX;
}
if (start_x + scaled_max_pixels < cur_x + ext_advance)
{
// Not enough room for this character.
break;
}
gGL.getTexUnit(0)->bind(ext_image);
// snap origin to whole screen pixel
const F32 ext_x = (F32)ll_round(cur_render_x + (EXT_X_BEARING * sScaleX));
const F32 ext_y = (F32)ll_round(cur_render_y + (EXT_Y_BEARING * sScaleY + mFontFreetype->getAscenderHeight() - mFontFreetype->getLineHeight()));
LLRectf uv_rect(0.f, 1.f, 1.f, 0.f);
LLRectf screen_rect(ext_x, ext_y + ext_height, ext_x + ext_width, ext_y);
if (glyph_count > 0)
{
gGL.begin(LLRender::QUADS);
{
gGL.vertexBatchPreTransformed(vertices, uvs, colors, glyph_count * 4);
}
gGL.end();
glyph_count = 0;
}
renderQuad(vertices, uvs, colors, screen_rect, uv_rect, LLColor4U::white, 0);
//No batching here. It will never happen.
gGL.begin(LLRender::QUADS);
{
gGL.vertexBatchPreTransformed(vertices, uvs, colors, 4);
}
gGL.end();
if (!label.empty())
{
gGL.pushMatrix();
getFontExtChar()->render(label, 0,
/*llfloor*/(ext_x / sScaleX) + ext_image->getWidth() + EXT_X_BEARING - sCurOrigin.mX,
/*llfloor*/(cur_render_y / sScaleY) - sCurOrigin.mY,
color,
halign, BASELINE, UNDERLINE, NO_SHADOW, S32_MAX, S32_MAX, NULL,
TRUE );
gGL.popMatrix();
}
chars_drawn++;
cur_x += ext_advance;
if (((i + 1) < length) && wstr[i+1])
{
cur_x += EXT_KERNING * sScaleX;
}
cur_render_x = cur_x;
}
else
{
const LLFontGlyphInfo* fgi = next_glyph;
next_glyph = NULL;
if(!fgi)
{
fgi = mFontFreetype->getGlyphInfo(wch);
}
if (!fgi)
{
LL_ERRS() << "Missing Glyph Info" << LL_ENDL;
break;
}
// Per-glyph bitmap texture.
S32 next_bitmap_num = fgi->mBitmapNum;
if (next_bitmap_num != bitmap_num)
{
// Actually draw the queued glyphs before switching their texture;
// otherwise the queued glyphs will be taken from wrong textures.
if (glyph_count > 0)
{
gGL.begin(LLRender::QUADS);
{
gGL.vertexBatchPreTransformed(vertices, uvs, colors, glyph_count * 4);
}
gGL.end();
glyph_count = 0;
}
bitmap_num = next_bitmap_num;
LLImageGL *font_image = font_bitmap_cache->getImageGL(bitmap_num);
gGL.getTexUnit(0)->bind(font_image);
}
if ((start_x + scaled_max_pixels) < (cur_x + fgi->mXBearing + fgi->mWidth))
{
// Not enough room for this character.
break;
}
// Draw the text at the appropriate location
//Specify vertices and texture coordinates
LLRectf uv_rect((fgi->mXBitmapOffset) * inv_width,
(fgi->mYBitmapOffset + fgi->mHeight + PAD_UVY) * inv_height,
(fgi->mXBitmapOffset + fgi->mWidth) * inv_width,
(fgi->mYBitmapOffset - PAD_UVY) * inv_height);
// snap glyph origin to whole screen pixel
LLRectf screen_rect((F32)ll_round(cur_render_x + (F32)fgi->mXBearing),
(F32)ll_round(cur_render_y + (F32)fgi->mYBearing),
(F32)ll_round(cur_render_x + (F32)fgi->mXBearing) + (F32)fgi->mWidth,
(F32)ll_round(cur_render_y + (F32)fgi->mYBearing) - (F32)fgi->mHeight);
if (glyph_count >= GLYPH_BATCH_SIZE)
{
gGL.begin(LLRender::QUADS);
{
gGL.vertexBatchPreTransformed(vertices, uvs, colors, glyph_count * 4);
}
gGL.end();
glyph_count = 0;
}
drawGlyph(glyph_count, vertices, uvs, colors, screen_rect, uv_rect, text_color, style, shadow, drop_shadow_strength);
chars_drawn++;
cur_x += fgi->mXAdvance;
cur_y += fgi->mYAdvance;
llwchar next_char = wstr[i+1];
if (next_char && (next_char < LAST_CHARACTER))
{
// Kern this puppy.
next_glyph = mFontFreetype->getGlyphInfo(next_char);
cur_x += mFontFreetype->getXKerning(fgi, next_glyph);
}
// Round after kerning.
// Must do this to cur_x, not just to cur_render_x, otherwise you
// will squish sub-pixel kerned characters too close together.
// For example, "CCCCC" looks bad.
cur_x = (F32)ll_round(cur_x);
//cur_y = (F32)ll_round(cur_y);
cur_render_x = cur_x;
cur_render_y = cur_y;
}
}
if(glyph_count)
{
gGL.begin(LLRender::QUADS);
{
gGL.vertexBatchPreTransformed(vertices, uvs, colors, glyph_count * 4);
}
gGL.end();
}
if (right_x)
{
*right_x = (cur_x - origin.mV[VX]) / sScaleX;
}
if (style & UNDERLINE)
{
F32 descender = (F32)llfloor(mFontFreetype->getDescenderHeight());
gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
gGL.begin(LLRender::LINES);
gGL.vertex2f(start_x, cur_y - descender);
gGL.vertex2f(cur_x, cur_y - descender);
gGL.end();
}
if (draw_ellipses)
{
// recursively render ellipses at end of string
// we've already reserved enough room
gGL.pushUIMatrix();
renderUTF8(std::string("..."),
0,
(cur_x - origin.mV[VX]) / sScaleX, (F32)y,
color,
LEFT, valign,
style,
shadow,
S32_MAX, max_pixels,
right_x,
FALSE);
gGL.popUIMatrix();
}
gGL.popUIMatrix();
return chars_drawn;
}
S32 LLFontGL::render(const LLWString &wstr, S32 begin_offset, F32 x, F32 y, const LLColor4 &color, HAlign halign, VAlign valign, U8 style,
ShadowType shadow, S32 max_chars, S32 max_pixels, F32* right_x, BOOL use_ellipses) const
{
LLFastTimer _(FTM_RENDER_FONTS);
if(!sDisplayFont) //do not display texts
{
return wstr.length() ;
}
if (wstr.empty())
{
return 0;
}
gGL.getTexUnit(0)->enable(LLTexUnit::TT_TEXTURE);
S32 scaled_max_pixels = max_pixels == S32_MAX ? S32_MAX : llceil((F32)max_pixels * sScaleX);
// determine which style flags need to be added programmatically by stripping off the
// style bits that are drawn by the underlying Freetype font
U8 style_to_add = (style | mFontDescriptor.getStyle()) & ~mFontFreetype->getStyle();
F32 drop_shadow_strength = 0.f;
if (shadow != NO_SHADOW)
{
F32 luminance;
color.calcHSL(NULL, NULL, &luminance);
drop_shadow_strength = clamp_rescale(luminance, 0.35f, 0.6f, 0.f, 1.f);
if (luminance < 0.35f)
{
shadow = NO_SHADOW;
}
}
gGL.pushUIMatrix();
gGL.loadUIIdentity();
//gGL.translateUI(floorf(sCurOrigin.mX*sScaleX), floorf(sCurOrigin.mY*sScaleY), sCurOrigin.mZ);
// this code snaps the text origin to a pixel grid to start with
//F32 pixel_offset_x = llround((F32)sCurOrigin.mX) - (sCurOrigin.mX);
//F32 pixel_offset_y = llround((F32)sCurOrigin.mY) - (sCurOrigin.mY);
//gGL.translateUI(-pixel_offset_x, -pixel_offset_y, 0.f);
LLVector2 origin(floorf(sCurOrigin.mX*sScaleX), floorf(sCurOrigin.mY*sScaleY));
// snap the text origin to a pixel grid to start with
origin.mV[VX] -= llround((F32)sCurOrigin.mX) - (sCurOrigin.mX);
origin.mV[VY] -= llround((F32)sCurOrigin.mY) - (sCurOrigin.mY);
S32 chars_drawn = 0;
S32 i;
S32 length;
if (-1 == max_chars)
{
length = (S32)wstr.length() - begin_offset;
}
else
{
length = llmin((S32)wstr.length() - begin_offset, max_chars );
}
F32 cur_x, cur_y, cur_render_x, cur_render_y;
// Not guaranteed to be set correctly
gGL.setSceneBlendType(LLRender::BT_ALPHA);
cur_x = ((F32)x * sScaleX) + origin.mV[VX];
cur_y = ((F32)y * sScaleY) + origin.mV[VY];
// Offset y by vertical alignment.
switch (valign)
{
case TOP:
cur_y -= mFontFreetype->getAscenderHeight();
break;
case BOTTOM:
cur_y += mFontFreetype->getDescenderHeight();
break;
case VCENTER:
cur_y -= (mFontFreetype->getAscenderHeight() - mFontFreetype->getDescenderHeight()) / 2.f;
break;
case BASELINE:
// Baseline, do nothing.
break;
default:
break;
}
switch (halign)
{
case LEFT:
break;
case RIGHT:
cur_x -= llmin(scaled_max_pixels, llround(getWidthF32(wstr.c_str(), begin_offset, length) * sScaleX));
break;
case HCENTER:
cur_x -= llmin(scaled_max_pixels, llround(getWidthF32(wstr.c_str(), begin_offset, length) * sScaleX)) / 2;
break;
default:
break;
}
cur_render_y = cur_y;
cur_render_x = cur_x;
F32 start_x = llround(cur_x);
const LLFontBitmapCache* font_bitmap_cache = mFontFreetype->getFontBitmapCache();
F32 inv_width = 1.f / font_bitmap_cache->getBitmapWidth();
F32 inv_height = 1.f / font_bitmap_cache->getBitmapHeight();
const S32 LAST_CHARACTER = LLFontFreetype::LAST_CHAR_FULL;
BOOL draw_ellipses = FALSE;
if (use_ellipses)
{
// check for too long of a string
S32 string_width = llround(getWidthF32(wstr.c_str(), begin_offset, max_chars) * sScaleX);
if (string_width > scaled_max_pixels)
{
// use four dots for ellipsis width to generate padding
const LLWString dots(utf8str_to_wstring(std::string("....")));
scaled_max_pixels = llmax(0, scaled_max_pixels - llround(getWidthF32(dots.c_str())));
draw_ellipses = TRUE;
}
}
const LLFontGlyphInfo* next_glyph = NULL;
const S32 GLYPH_BATCH_SIZE = 30;
LLVector3 vertices[GLYPH_BATCH_SIZE * 4];
LLVector2 uvs[GLYPH_BATCH_SIZE * 4];
LLColor4U colors[GLYPH_BATCH_SIZE * 4];
LLColor4U text_color(color);
S32 bitmap_num = -1;
S32 glyph_count = 0;
for (i = begin_offset; i < begin_offset + length; i++)
{
llwchar wch = wstr[i];
const LLFontGlyphInfo* fgi = next_glyph;
next_glyph = NULL;
if(!fgi)
{
fgi = mFontFreetype->getGlyphInfo(wch);
}
if (!fgi)
{
llerrs << "Missing Glyph Info" << llendl;
break;
}
// Per-glyph bitmap texture.
S32 next_bitmap_num = fgi->mBitmapNum;
if (next_bitmap_num != bitmap_num)
{
bitmap_num = next_bitmap_num;
LLImageGL *font_image = font_bitmap_cache->getImageGL(bitmap_num);
gGL.getTexUnit(0)->bind(font_image);
}
if ((start_x + scaled_max_pixels) < (cur_x + fgi->mXBearing + fgi->mWidth))
{
// Not enough room for this character.
break;
}
// Draw the text at the appropriate location
//Specify vertices and texture coordinates
LLRectf uv_rect((fgi->mXBitmapOffset) * inv_width,
(fgi->mYBitmapOffset + fgi->mHeight + PAD_UVY) * inv_height,
(fgi->mXBitmapOffset + fgi->mWidth) * inv_width,
(fgi->mYBitmapOffset - PAD_UVY) * inv_height);
// snap glyph origin to whole screen pixel
LLRectf screen_rect(llround(cur_render_x + (F32)fgi->mXBearing),
llround(cur_render_y + (F32)fgi->mYBearing),
llround(cur_render_x + (F32)fgi->mXBearing) + (F32)fgi->mWidth,
llround(cur_render_y + (F32)fgi->mYBearing) - (F32)fgi->mHeight);
if (glyph_count >= GLYPH_BATCH_SIZE)
{
gGL.begin(LLRender::QUADS);
{
gGL.vertexBatchPreTransformed(vertices, uvs, colors, glyph_count * 4);
}
gGL.end();
glyph_count = 0;
}
drawGlyph(glyph_count, vertices, uvs, colors, screen_rect, uv_rect, text_color, style_to_add, shadow, drop_shadow_strength);
chars_drawn++;
cur_x += fgi->mXAdvance;
cur_y += fgi->mYAdvance;
llwchar next_char = wstr[i+1];
if (next_char && (next_char < LAST_CHARACTER))
{
// Kern this puppy.
next_glyph = mFontFreetype->getGlyphInfo(next_char);
cur_x += mFontFreetype->getXKerning(fgi, next_glyph);
}
// Round after kerning.
// Must do this to cur_x, not just to cur_render_x, otherwise you
// will squish sub-pixel kerned characters too close together.
// For example, "CCCCC" looks bad.
cur_x = (F32)llround(cur_x);
//cur_y = (F32)llround(cur_y);
cur_render_x = cur_x;
cur_render_y = cur_y;
}
gGL.begin(LLRender::QUADS);
{
gGL.vertexBatchPreTransformed(vertices, uvs, colors, glyph_count * 4);
}
gGL.end();
if (right_x)
{
*right_x = (cur_x - origin.mV[VX]) / sScaleX;
}
//FIXME: add underline as glyph?
if (style_to_add & UNDERLINE)
{
F32 descender = mFontFreetype->getDescenderHeight();
gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
gGL.begin(LLRender::LINES);
gGL.vertex2f(start_x, cur_y - (descender));
gGL.vertex2f(cur_x, cur_y - (descender));
gGL.end();
}
if (draw_ellipses)
{
// recursively render ellipses at end of string
// we've already reserved enough room
gGL.pushUIMatrix();
renderUTF8(std::string("..."),
0,
(cur_x - origin.mV[VX]) / sScaleX, (F32)y,
color,
LEFT, valign,
style_to_add,
shadow,
S32_MAX, max_pixels,
right_x,
FALSE);
gGL.popUIMatrix();
}
gGL.popUIMatrix();
return chars_drawn;
}
void LLHUDText::addLine(const std::string &text_utf8,
const LLColor4& color,
const LLFontGL::StyleFlags style,
const LLFontGL* font)
{
LLWString wline = utf8str_to_wstring(text_utf8);
if (!wline.empty())
{
// use default font for segment if custom font not specified
if (!font)
{
font = mFontp;
}
typedef boost::tokenizer<boost::char_separator<llwchar>, LLWString::const_iterator, LLWString > tokenizer;
LLWString seps(utf8str_to_wstring("\r\n"));
boost::char_separator<llwchar> sep(seps.c_str());
tokenizer tokens(wline, sep);
tokenizer::iterator iter = tokens.begin();
while (iter != tokens.end())
{
U32 line_length = 0;
do
{
F32 max_pixels = HUD_TEXT_MAX_WIDTH_NO_BUBBLE;
S32 segment_length = font->maxDrawableChars(iter->substr(line_length).c_str(), max_pixels, wline.length(), LLFontGL::WORD_BOUNDARY_IF_POSSIBLE);
LLHUDTextSegment segment(iter->substr(line_length, segment_length), style, color, font);
mTextSegments.push_back(segment);
line_length += segment_length;
}
while (line_length != iter->size());
++iter;
}
}
}
// Returns the max number of complete characters from text (up to max_chars) that can be drawn in max_pixels
S32 LLFontGL::maxDrawableChars(const LLWString& utf32text, F32 max_pixels, S32 max_chars,
EWordWrapStyle end_on_word_boundary, const BOOL use_embedded,
F32* drawn_pixels) const
{
const S32 max_index = llmin(max_chars, S32(utf32text.length()));
if (max_index <= 0 || max_pixels <= 0.f)
return 0;
BOOL clip = FALSE;
F32 cur_x = 0;
F32 drawn_x = 0;
S32 start_of_last_word = 0;
BOOL in_word = FALSE;
// avoid S32 overflow when max_pixels == S32_MAX by staying in floating point
F32 scaled_max_pixels = max_pixels * sScaleX;
F32 width_padding = 0.f;
LLFontGlyphInfo* next_glyph = NULL;
S32 i;
for (i=0; (i < max_index); i++)
{
llwchar wch = utf32text[i];
const embedded_data_t* ext_data = use_embedded ? getEmbeddedCharData(wch) : NULL;
if (ext_data)
{
if (in_word)
{
in_word = FALSE;
}
else
{
start_of_last_word = i;
}
cur_x += getEmbeddedCharAdvance(ext_data);
if (scaled_max_pixels < cur_x)
{
clip = TRUE;
break;
}
if ((i+1) < max_index)
{
cur_x += EXT_KERNING * sScaleX;
}
if( scaled_max_pixels < cur_x )
{
clip = TRUE;
break;
}
}
else
{
if (in_word)
{
if (iswspace(wch))
{
in_word = FALSE;
}
}
else
{
start_of_last_word = i;
if (!iswspace(wch))
{
in_word = TRUE;
}
}
LLFontGlyphInfo* fgi = next_glyph;
next_glyph = NULL;
if(!fgi)
{
fgi = mFontFreetype->getGlyphInfo(wch);
}
// account for glyphs that run beyond the starting point for the next glyphs
width_padding = llmax( 0.f, // always use positive padding amount
width_padding - fgi->mXAdvance, // previous padding left over after advance of current character
(F32)(fgi->mWidth + fgi->mXBearing) - fgi->mXAdvance); // difference between width of this character and advance to next character
cur_x += fgi->mXAdvance;
// clip if current character runs past scaled_max_pixels (using width_padding)
if (scaled_max_pixels < cur_x + width_padding)
{
clip = TRUE;
break;
}
if ((i+1) < max_index)
{
// Kern this puppy.
next_glyph = mFontFreetype->getGlyphInfo(utf32text[i + 1]);
cur_x += mFontFreetype->getXKerning(fgi, next_glyph);
}
}
// Round after kerning.
cur_x = (F32)ll_round(cur_x);
drawn_x = cur_x;
}
if( clip )
{
switch (end_on_word_boundary)
{
case ONLY_WORD_BOUNDARIES:
i = start_of_last_word;
break;
case WORD_BOUNDARY_IF_POSSIBLE:
if (start_of_last_word != 0)
{
i = start_of_last_word;
}
break;
default:
case ANYWHERE:
// do nothing
break;
}
}
if (drawn_pixels)
{
*drawn_pixels = drawn_x;
}
return i;
}
// static
LLRect LLNotifyBox::getNotifyTipRect(const std::string &utf8message)
{
LLWString message = utf8str_to_wstring(utf8message);
S32 message_len = message.length();
const S32 NOTIFY_WIDTH = gSavedSettings.getS32("NotifyBoxWidth");
// Make room for the icon area.
const S32 text_area_width = NOTIFY_WIDTH - HPAD * 4 - 32;
const llwchar* wchars = message.c_str();
const llwchar* start = wchars;
const llwchar* end;
S32 total_drawn = 0;
bool done = false;
S32 line_count;
for (line_count = 2; !done; ++line_count)
{
for (end = start; *end != 0 && *end != '\n'; end++);
if (*end == 0)
{
end = wchars + message_len;
done = true;
}
for (S32 remaining = end - start; remaining;)
{
S32 drawn = sFont->maxDrawableChars(start, (F32)text_area_width, remaining, LLFontGL::WORD_BOUNDARY_IF_POSSIBLE);
if (0 == drawn)
{
drawn = 1; // Draw at least one character, even if it doesn't all fit. (avoids an infinite loop)
}
total_drawn += drawn;
start += drawn;
remaining -= drawn;
if (total_drawn < message_len)
{
if (wchars[ total_drawn ] != '\n')
{
// wrap because line was too long
line_count++;
}
}
else
{
done = true;
}
}
total_drawn++; // for '\n'
start = ++end;
}
const S32 MIN_NOTIFY_HEIGHT = 72;
const S32 MAX_NOTIFY_HEIGHT = 600;
S32 notify_height = llceil((F32) (line_count+1) * sFont->getLineHeight());
if (gOverlayBar)
{
notify_height += gOverlayBar->getBoundingRect().mTop;
}
else
{
// *FIX: this is derived from the padding caused by the
// rounded rects, shouldn't be a const here.
notify_height += 10;
}
notify_height += VPAD;
notify_height = llclamp(notify_height, MIN_NOTIFY_HEIGHT, MAX_NOTIFY_HEIGHT);
const S32 RIGHT = gNotifyBoxView->getRect().getWidth();
const S32 LEFT = RIGHT - NOTIFY_WIDTH;
// Make sure it goes slightly offscreen
return LLRect(LEFT, notify_height-1, RIGHT, -1);
}
S32 LLFontGL::firstDrawableChar(const LLWString& utf32text, F32 max_pixels, S32 start_pos, S32 max_chars) const
{
const S32 max_index = llmin(llmax(max_chars, start_pos + max_chars), S32(utf32text.length()));
if (max_index <= 0 || start_pos >= max_index || max_pixels <= 0.f || start_pos < 0)
return 0;
F32 total_width = 0.0;
S32 drawable_chars = 0;
F32 scaled_max_pixels = max_pixels * sScaleX;
S32 start = llmin(start_pos, max_index - 1);
for (S32 i = start; i >= 0; i--)
{
llwchar wch = utf32text[i];
const embedded_data_t* ext_data = getEmbeddedCharData(wch);
F32 width = 0;
if(ext_data)
{
width = getEmbeddedCharAdvance(ext_data);
}
else
{
const LLFontGlyphInfo* fgi= mFontFreetype->getGlyphInfo(wch);
// last character uses character width, since the whole character needs to be visible
// other characters just use advance
width = (i == start)
? (F32)(fgi->mWidth + fgi->mXBearing) // use actual width for last character
: fgi->mXAdvance; // use advance for all other characters
}
if( scaled_max_pixels < (total_width + width) )
{
break;
}
total_width += width;
drawable_chars++;
if( max_index >= 0 && drawable_chars >= max_index )
{
break;
}
if ( i > 0 )
{
// kerning
total_width += ext_data ? (EXT_KERNING * sScaleX) : mFontFreetype->getXKerning(utf32text[i - 1], wch);
}
// Round after kerning.
total_width = (F32)ll_round(total_width);
}
if (drawable_chars == 0)
{
return start_pos; // just draw last character
}
else
{
// if only 1 character is drawable, we want to return start_pos as the first character to draw
// if 2 are drawable, return start_pos and character before start_pos, etc.
return start_pos + 1 - drawable_chars;
}
}
