bool Text::doRender() {
// Font-Resource locken.
FontResource *fontPtr = lockFontResource();
if (!fontPtr)
return false;
// Charactermap-Resource locken.
ResourceManager *rmPtr = getResourceManager();
BitmapResource *charMapPtr;
{
Resource *pResource = rmPtr->requestResource(fontPtr->getCharactermapFileName());
if (!pResource) {
BS_LOG_ERRORLN("Could not request resource \"%s\".", fontPtr->getCharactermapFileName().c_str());
return false;
}
if (pResource->getType() != Resource::TYPE_BITMAP) {
BS_LOG_ERRORLN("Requested resource \"%s\" is not a bitmap.", fontPtr->getCharactermapFileName().c_str());
return false;
}
charMapPtr = static_cast<BitmapResource *>(pResource);
}
// Framebufferobjekt holen.
GraphicEngine *gfxPtr = Kernel::getInstance()->getGfx();
BS_ASSERT(gfxPtr);
bool result = true;
Common::Array<Line>::iterator iter = _lines.begin();
for (; iter != _lines.end(); ++iter) {
// Feststellen, ob überhaupt Buchstaben der aktuellen Zeile vom Update betroffen sind.
Common::Rect checkRect = (*iter).bbox;
checkRect.translate(_absoluteX, _absoluteY);
// Jeden Buchstaben einzeln Rendern.
int curX = _absoluteX + (*iter).bbox.left;
int curY = _absoluteY + (*iter).bbox.top;
for (uint i = 0; i < (*iter).text.size(); ++i) {
Common::Rect curRect = fontPtr->getCharacterRect((byte)(*iter).text[i]);
Common::Rect renderRect(curX, curY, curX + curRect.width(), curY + curRect.height());
int renderX = curX + (renderRect.left - renderRect.left);
int renderY = curY + (renderRect.top - renderRect.top);
renderRect.translate(curRect.left - curX, curRect.top - curY);
result = charMapPtr->blit(renderX, renderY, Image::FLIP_NONE, &renderRect, _modulationColor);
if (!result)
break;
curX += curRect.width() + fontPtr->getGapWidth();
}
}
// Charactermap-Resource freigeben.
charMapPtr->release();
// Font-Resource freigeben.
fontPtr->release();
return result;
}
bool Text::doRender(RectangleList *updateRects) {
// lock Font Resource
FontResource *fontPtr = lockFontResource();
if (!fontPtr)
return false;
// lock Character map resource
ResourceManager *rmPtr = getResourceManager();
BitmapResource *charMapPtr;
{
Resource *pResource = rmPtr->requestResource(fontPtr->getCharactermapFileName());
if (!pResource) {
warning("Could not request resource \"%s\".", fontPtr->getCharactermapFileName().c_str());
return false;
}
if (pResource->getType() != Resource::TYPE_BITMAP) {
error("Requested resource \"%s\" is not a bitmap.", fontPtr->getCharactermapFileName().c_str());
return false;
}
charMapPtr = static_cast<BitmapResource *>(pResource);
}
// Getting frame buffer object
GraphicEngine *gfxPtr = Kernel::getInstance()->getGfx();
assert(gfxPtr);
bool result = true;
Common::Array<Line>::iterator iter = _lines.begin();
for (; iter != _lines.end(); ++iter) {
// Determine whether any letters of the current line are affected by the update.
Common::Rect checkRect = (*iter).bbox;
checkRect.translate(_absoluteX, _absoluteY);
// Render each letter individually.
int curX = _absoluteX + (*iter).bbox.left;
int curY = _absoluteY + (*iter).bbox.top;
for (uint i = 0; i < (*iter).text.size(); ++i) {
Common::Rect curRect = fontPtr->getCharacterRect((byte)(*iter).text[i]);
Common::Rect renderRect(curX, curY, curX + curRect.width(), curY + curRect.height());
renderRect.translate(curRect.left - curX, curRect.top - curY);
result = charMapPtr->blit(curX, curY, Graphics::FLIP_NONE, &renderRect, _modulationColor, -1, -1, updateRects);
if (!result)
break;
curX += curRect.width() + fontPtr->getGapWidth();
}
}
// Free Character map resource
charMapPtr->release();
// Free Font resource
fontPtr->release();
return result;
}
void Text::updateMetrics(FontResource &fontResource) {
_width = 0;
_height = 0;
for (uint i = 0; i < _text.size(); ++i) {
const Common::Rect &curRect = fontResource.getCharacterRect((byte)_text[i]);
_width += curRect.width();
if (i != _text.size() - 1)
_width += fontResource.getGapWidth();
if (_height < curRect.height())
_height = curRect.height();
}
}
void Text::updateFormat() {
FontResource *fontPtr = lockFontResource();
assert(fontPtr);
updateMetrics(*fontPtr);
_lines.resize(1);
if (_autoWrap && (uint) _width >= _autoWrapThreshold && _text.size() >= 2) {
_width = 0;
uint curLineWidth = 0;
uint curLineHeight = 0;
uint curLine = 0;
uint tempLineWidth = 0;
uint lastSpace = 0; // we need at least 1 space character to start a new line...
_lines[0].text = "";
for (uint i = 0; i < _text.size(); ++i) {
uint j;
tempLineWidth = 0;
lastSpace = 0;
for (j = i; j < _text.size(); ++j) {
if ((byte)_text[j] == ' ')
lastSpace = j;
const Common::Rect &curCharRect = fontPtr->getCharacterRect((byte)_text[j]);
tempLineWidth += curCharRect.width();
tempLineWidth += fontPtr->getGapWidth();
if ((tempLineWidth >= _autoWrapThreshold) && (lastSpace > 0))
break;
}
if (j == _text.size()) // everything in 1 line.
lastSpace = _text.size();
curLineWidth = 0;
curLineHeight = 0;
for (j = i; j < lastSpace; ++j) {
_lines[curLine].text += _text[j];
const Common::Rect &curCharRect = fontPtr->getCharacterRect((byte)_text[j]);
curLineWidth += curCharRect.width();
curLineWidth += fontPtr->getGapWidth();
if ((uint)curCharRect.height() > curLineHeight)
curLineHeight = curCharRect.height();
}
_lines[curLine].bbox.right = curLineWidth;
_lines[curLine].bbox.bottom = curLineHeight;
if ((uint)_width < curLineWidth)
_width = curLineWidth;
if (lastSpace < _text.size()) {
++curLine;
assert(curLine == _lines.size());
_lines.resize(curLine + 1);
_lines[curLine].text = "";
}
i = lastSpace;
}
// Bounding box of each line relative to the first set (center aligned).
_height = 0;
Common::Array<Line>::iterator iter = _lines.begin();
for (; iter != _lines.end(); ++iter) {
Common::Rect &bbox = (*iter).bbox;
bbox.left = (_width - bbox.right) / 2;
bbox.right = bbox.left + bbox.right;
bbox.top = (iter - _lines.begin()) * fontPtr->getLineHeight();
bbox.bottom = bbox.top + bbox.bottom;
_height += bbox.height();
}
} else {
// No auto format, so all the text is copied to a single line.
_lines[0].text = _text;
_lines[0].bbox = Common::Rect(0, 0, _width, _height);
}
fontPtr->release();
}
void Text::updateFormat() {
FontResource *fontPtr = lockFontResource();
BS_ASSERT(fontPtr);
updateMetrics(*fontPtr);
_lines.resize(1);
if (_autoWrap && (uint) _width >= _autoWrapThreshold && _text.size() >= 2) {
_width = 0;
uint curLineWidth = 0;
uint curLineHeight = 0;
uint curLine = 0;
uint tempLineWidth = 0;
uint lastSpace = 0; // we need at least 1 space character to start a new line...
_lines[0].text = "";
for (uint i = 0; i < _text.size(); ++i) {
uint j;
tempLineWidth = 0;
lastSpace = 0;
for (j = i; j < _text.size(); ++j) {
if ((byte)_text[j] == ' ')
lastSpace = j;
const Common::Rect &curCharRect = fontPtr->getCharacterRect((byte)_text[j]);
tempLineWidth += curCharRect.width();
tempLineWidth += fontPtr->getGapWidth();
if ((tempLineWidth >= _autoWrapThreshold) && (lastSpace > 0))
break;
}
if (j == _text.size()) // everything in 1 line.
lastSpace = _text.size();
curLineWidth = 0;
curLineHeight = 0;
for (j = i; j < lastSpace; ++j) {
_lines[curLine].text += _text[j];
const Common::Rect &curCharRect = fontPtr->getCharacterRect((byte)_text[j]);
curLineWidth += curCharRect.width();
curLineWidth += fontPtr->getGapWidth();
if ((uint)curCharRect.height() > curLineHeight)
curLineHeight = curCharRect.height();
}
_lines[curLine].bbox.right = curLineWidth;
_lines[curLine].bbox.bottom = curLineHeight;
if ((uint)_width < curLineWidth)
_width = curLineWidth;
if (lastSpace < _text.size()) {
++curLine;
BS_ASSERT(curLine == _lines.size());
_lines.resize(curLine + 1);
_lines[curLine].text = "";
}
i = lastSpace;
}
// Bounding-Box der einzelnen Zeilen relativ zur ersten festlegen (vor allem zentrieren).
_height = 0;
Common::Array<Line>::iterator iter = _lines.begin();
for (; iter != _lines.end(); ++iter) {
Common::Rect &bbox = (*iter).bbox;
bbox.left = (_width - bbox.right) / 2;
bbox.right = bbox.left + bbox.right;
bbox.top = (iter - _lines.begin()) * fontPtr->getLineHeight();
bbox.bottom = bbox.top + bbox.bottom;
_height += bbox.height();
}
} else {
// Keine automatische Formatierung, also wird der gesamte Text in nur eine Zeile kopiert.
_lines[0].text = _text;
_lines[0].bbox = Common::Rect(0, 0, _width, _height);
}
fontPtr->release();
}