float colour::getLumination(void) const
{
float pMax = ceguimax(ceguimax(d_red, d_green), d_blue);
float pMin = ceguimin(ceguimin(d_red, d_green), d_blue);
float pLum = (pMax + pMin) / 2;
return pLum;
}
//----------------------------------------------------------------------------//
HSV_Colour ColourPickerConversions::toHSV(RGB_Colour colour)
{
float r = colour.r / 255.0f;
float g = colour.g / 255.0f;
float b = colour.b / 255.0f;
bool maxCompRed = false;
bool maxCompGreen = false;
float max_comp = b;
if(r > g && r > b)
{
maxCompRed = true;
max_comp = r;
}
else if(g > b)
{
maxCompGreen = true;
max_comp = g;
}
float min_comp = ceguimin(ceguimin(r, g), b);
float h;
float s;
float v = max_comp;
float diff = max_comp - min_comp;
s = (max_comp == 0.0f ? 0.0f : diff / max_comp);
if (max_comp == min_comp)
{
h = 0; // achromatic
}
else
{
if (maxCompRed)
h = (g - b) / diff + (g < b ? 6.0f : 0.0f);
if (maxCompGreen)
h = (b - r) / diff + 2.0f;
else
h = (r - g) / diff + 4.0f;
h /= 6.0f;
}
return HSV_Colour(h, s, v);
}
/*************************************************************************
Handler called whenever the mouse moves while dragging a segment
*************************************************************************/
bool ListHeader::segmentDragHandler(const EventArgs&)
{
// what we do here is monitor the position and scroll if we can when mouse is outside area.
// get mouse position as something local
const Vector2f localMousePos(CoordConverter::screenToWindow(*this,
getUnprojectedPosition(getGUIContext().
getMouseCursor().getPosition())));
// scroll left?
if (localMousePos.d_x < 0.0f)
{
if (d_segmentOffset > 0.0f)
{
setSegmentOffset(ceguimax(0.0f, d_segmentOffset - ScrollSpeed));
}
}
// scroll right?
else if (localMousePos.d_x >= d_pixelSize.d_width)
{
float maxOffset = ceguimax(0.0f, getTotalSegmentsPixelExtent() - d_pixelSize.d_width);
// if we have not scrolled to the limit
if (d_segmentOffset < maxOffset)
{
// scroll, but never beyond the limit
setSegmentOffset(ceguimin(maxOffset, d_segmentOffset + ScrollSpeed));
}
}
return true;
}
float colour::getSaturation(void) const
{
float pMax = ceguimax(ceguimax(d_red, d_green), d_blue);
float pMin = ceguimin(ceguimin(d_red, d_green), d_blue);
float pLum = (pMax + pMin) / 2;
float pSat;
if( pMax == pMin )
{
pSat = 0;
}
else
{
if( pLum < 0.5 )
pSat = (pMax - pMin) / (pMax + pMin);
else
pSat = (pMax - pMin) / (2 - pMax - pMin);
}
return pSat;
}
void Spinner::setCurrentValue(float value)
{
if (value != d_currentValue)
{
// limit input value to within valid range for spinner
value = ceguimax(ceguimin(value, d_maxValue), d_minValue);
d_currentValue = value;
WindowEventArgs args(this);
onValueChanged(args);
}
}
float colour::getHue(void) const
{
float pRed = d_red;
float pGreen = d_green;
float pBlue = d_blue;
float pMax = ceguimax(ceguimax(d_red, d_green), d_blue);
float pMin = ceguimin(ceguimin(d_red, d_green), d_blue);
float pHue;
if( pMax == pMin )
{
pHue = 0;
}
else
{
if( pMax == pRed )
{
pHue = (pGreen - pBlue) / (pMax - pMin);
}
else if( pMax == pGreen )
{
pHue = 2 + (pBlue - pRed) / (pMax - pMin);
}
else
{
pHue = 4 + (pRed - pGreen) / (pMax - pMin);
}
}
float Hue = pHue / 6;
if( Hue < 0 )
Hue += 1;
return Hue;
}
void GuiChat::historiqueBas()
{
CEGUI::Editbox* editbox = static_cast<CEGUI::Editbox*>(chatWindow->getChild("Editbox"));
d_historyPos = ceguimin(d_historyPos + 1, static_cast<int>(d_history.size()));
if (d_historyPos < static_cast<int>(d_history.size()))
{
editbox->setText(d_history[d_historyPos]);
editbox->setCaretIndex(static_cast<size_t>(-1));
}
else
{
editbox->setText("");
}
editbox->activate();
}
/*************************************************************************
method to do work of constructor
*************************************************************************/
void DirectX9Renderer::constructor_impl(LPDIRECT3DDEVICE9 device, const Size& display_size)
{
d_device = device;
d_queueing = true;
d_currTexture = 0;
d_buffer = 0;
d_bufferPos = 0;
// initialise renderer display area
d_display_area.d_left = 0;
d_display_area.d_top = 0;
d_display_area.setSize(display_size);
// Create a vertex buffer
if (FAILED(d_device->CreateVertexBuffer(
(VERTEXBUFFER_CAPACITY * sizeof(QuadVertex)),
D3DUSAGE_DYNAMIC|D3DUSAGE_WRITEONLY,
VERTEX_FVF,
D3DPOOL_DEFAULT,
&d_buffer,
0)))
{
// Ideally, this would have been a RendererException, but we can't use that until the System object is created
// and that requires a Renderer passed to the constructor, so we throw this instead.
throw std::exception("Creation of VertexBuffer for Renderer object failed");
}
// get the maximum available texture size.
D3DCAPS9 devCaps;
if (FAILED(device->GetDeviceCaps(&devCaps)))
{
// release vertex buffer
d_buffer->Release();
throw std::exception("Unable to retrieve device capabilities from Direct3DDevice9.");
}
// set max texture size the the smaller of max width and max height.
d_maxTextureSize = ceguimin(devCaps.MaxTextureWidth, devCaps.MaxTextureHeight);
d_device->AddRef();
// set ID string
d_identifierString = "CEGUI::DirectX81Renderer - Official Direct3D 9 based renderer module for CEGUI";
}
//----------------------------------------------------------------------------//
Direct3D9Renderer::Direct3D9Renderer(LPDIRECT3DDEVICE9 device) :
d_device(device),
d_displaySize(getViewportSize()),
d_displayDPI(96, 96),
d_defaultTarget(0)
{
D3DCAPS9 caps;
device->GetDeviceCaps(&caps);
if (!caps.RasterCaps && D3DPRASTERCAPS_SCISSORTEST)
CEGUI_THROW(RendererException(
"Hardware does not support D3DPRASTERCAPS_SCISSORTEST. "
"Unable to proceed."));
d_maxTextureSize = ceguimin(caps.MaxTextureHeight, caps.MaxTextureWidth);
d_supportNonSquareTex = !(caps.TextureCaps & D3DPTEXTURECAPS_SQUAREONLY);
d_supportNPOTTex = !(caps.TextureCaps & D3DPTEXTURECAPS_POW2) ||
(caps.TextureCaps & D3DPTEXTURECAPS_NONPOW2CONDITIONAL);
d_defaultTarget = new Direct3D9ViewportTarget(*this);
}
Rectf ImagerySection::getBoundingRect(const Window& wnd, const Rectf& rect) const
{
Rectf compRect;
Rectf bounds(std::numeric_limits<float>::max(),
std::numeric_limits<float>::max(),
std::numeric_limits<float>::min(),
std::numeric_limits<float>::min());
// measure all frame components
for(FrameList::const_iterator frame = d_frames.begin(); frame != d_frames.end(); ++frame)
{
compRect = (*frame).getComponentArea().getPixelRect(wnd, rect);
bounds.left(ceguimin(bounds.left(), compRect.left()));
bounds.top(ceguimin(bounds.top(), compRect.top()));
bounds.right(ceguimax(bounds.right(), compRect.right()));
bounds.bottom(ceguimax(bounds.bottom(), compRect.bottom()));
}
// measure all imagery components
for(ImageryList::const_iterator image = d_images.begin(); image != d_images.end(); ++image)
{
compRect = (*image).getComponentArea().getPixelRect(wnd, rect);
bounds.left(ceguimin(bounds.left(), compRect.left()));
bounds.top(ceguimin(bounds.top(), compRect.top()));
bounds.right(ceguimax(bounds.right(), compRect.right()));
bounds.bottom(ceguimax(bounds.bottom(), compRect.bottom()));
}
// measure all text components
for(TextList::const_iterator text = d_texts.begin(); text != d_texts.end(); ++text)
{
compRect = (*text).getComponentArea().getPixelRect(wnd, rect);
bounds.left(ceguimin(bounds.left(), compRect.left()));
bounds.top(ceguimin(bounds.top(), compRect.top()));
bounds.right(ceguimax(bounds.right(), compRect.right()));
bounds.bottom(ceguimax(bounds.bottom(), compRect.bottom()));
}
return bounds;
}
/*************************************************************************
Render text lines.
*************************************************************************/
void MultiLineEditbox::cacheTextLines(const Rect& dest_area)
{
// text is already formatted, we just grab the lines and render them with the required alignment.
Rect drawArea(dest_area);
drawArea.offset(Point(-d_horzScrollbar->getScrollPosition(), -d_vertScrollbar->getScrollPosition()));
Renderer* renderer = System::getSingleton().getRenderer();
const Font* fnt = getFont();
if (fnt)
{
// get layers to use for rendering
float textZ = renderer->getZLayer(4) - renderer->getCurrentZ();
float selZ = renderer->getZLayer(3) - renderer->getCurrentZ();
// calculate final colours to use.
ColourRect colours;
float alpha = getEffectiveAlpha();
colour normalTextCol = d_normalTextColour;
normalTextCol.setAlpha(normalTextCol.getAlpha() * alpha);
colour selectTextCol = d_selectTextColour;
selectTextCol.setAlpha(selectTextCol.getAlpha() * alpha);
colour selectBrushCol = hasInputFocus() ? d_selectBrushColour : d_inactiveSelectBrushColour;
selectBrushCol.setAlpha(selectBrushCol.getAlpha() * alpha);
// Cache font info
const float fLineSpacing = fnt->getLineSpacing ();
// for each formatted line.
for (size_t i = 0; i < d_lines.size(); ++i)
{
Rect lineRect(drawArea);
// Check line is within the dest_area
if ( lineRect.d_top < dest_area.d_bottom && lineRect.d_top + fLineSpacing > dest_area.d_top )
{
const LineInfo& currLine = d_lines[i];
String lineText(d_text.substr(currLine.d_startIdx, currLine.d_length));
// if it is a simple 'no selection area' case
if ((currLine.d_startIdx >= d_selectionEnd) ||
((currLine.d_startIdx + currLine.d_length) <= d_selectionStart) ||
(d_selectionBrush == NULL))
{
colours.setColours(normalTextCol);
// render the complete line.
d_renderCache.cacheText(lineText, fnt, LeftAligned, lineRect, textZ, colours, &dest_area);
}
// we have at least some selection highlighting to do
else
{
// Start of actual rendering section.
String sect;
size_t sectIdx = 0, sectLen;
float selStartOffset = 0.0f, selAreaWidth = 0.0f;
// render any text prior to selected region of line.
if (currLine.d_startIdx < d_selectionStart)
{
// calculate length of text section
sectLen = d_selectionStart - currLine.d_startIdx;
// get text for this section
sect = lineText.substr(sectIdx, sectLen);
sectIdx += sectLen;
// get the pixel offset to the beginning of the selection area highlight.
selStartOffset = fnt->getTextExtent(sect);
// draw this portion of the text
colours.setColours(normalTextCol);
d_renderCache.cacheText(sect, fnt, LeftAligned, lineRect, textZ, colours, &dest_area);
// set position ready for next portion of text
lineRect.d_left += selStartOffset;
}
// calculate the length of the selected section
sectLen = ceguimin(d_selectionEnd - currLine.d_startIdx, currLine.d_length) - sectIdx;
// get the text for this section
sect = lineText.substr(sectIdx, sectLen);
sectIdx += sectLen;
// get the extent to use as the width of the selection area highlight
selAreaWidth = fnt->getTextExtent(sect);
// draw the text for this section
colours.setColours(selectTextCol);
d_renderCache.cacheText(sect, fnt, LeftAligned, lineRect, textZ, colours, &dest_area);
// render any text beyond selected region of line
if (sectIdx < currLine.d_length)
{
// update render position to the end of the selected area.
lineRect.d_left += selAreaWidth;
// calculate length of this section
sectLen = currLine.d_length - sectIdx;
// get the text for this section
sect = lineText.substr(sectIdx, sectLen);
// render the text for this section.
colours.setColours(normalTextCol);
d_renderCache.cacheText(sect, fnt, LeftAligned, lineRect, textZ, colours, &dest_area);
}
// calculate area for the selection brush on this line
lineRect.d_left = drawArea.d_left + selStartOffset;
lineRect.d_right = lineRect.d_left + selAreaWidth;
lineRect.d_bottom = lineRect.d_top + fLineSpacing;
// render the selection area brush for this line
colours.setColours(selectBrushCol);
d_renderCache.cacheImage(*d_selectionBrush, lineRect, selZ, colours, &dest_area);
}
}
// update master position for next line in paragraph.
drawArea.d_top += fLineSpacing;
}
}
}
void FalagardMultiLineEditbox::cacheTextLines(const Rectf& dest_area)
{
MultiLineEditbox* w = (MultiLineEditbox*)d_window;
// text is already formatted, we just grab the lines and render them with the required alignment.
Rectf drawArea(dest_area);
float vertScrollPos = w->getVertScrollbar()->getScrollPosition();
drawArea.offset(Vector2f(-w->getHorzScrollbar()->getScrollPosition(), -vertScrollPos));
const Font* fnt = w->getFont();
if (fnt)
{
// calculate final colours to use.
ColourRect colours;
const float alpha = w->getEffectiveAlpha();
ColourRect normalTextCol;
setColourRectToUnselectedTextColour(normalTextCol);
normalTextCol.modulateAlpha(alpha);
ColourRect selectTextCol;
setColourRectToSelectedTextColour(selectTextCol);
selectTextCol.modulateAlpha(alpha);
ColourRect selectBrushCol;
w->hasInputFocus() ? setColourRectToActiveSelectionColour(selectBrushCol) :
setColourRectToInactiveSelectionColour(selectBrushCol);
selectBrushCol.modulateAlpha(alpha);
const MultiLineEditbox::LineList& d_lines = w->getFormattedLines();
const size_t numLines = d_lines.size();
// calculate the range of visible lines
size_t sidx,eidx;
sidx = static_cast<size_t>(vertScrollPos / fnt->getLineSpacing());
eidx = 1 + sidx + static_cast<size_t>(dest_area.getHeight() / fnt->getLineSpacing());
eidx = ceguimin(eidx, numLines);
drawArea.d_min.d_y += fnt->getLineSpacing()*static_cast<float>(sidx);
// for each formatted line.
for (size_t i = sidx; i < eidx; ++i)
{
Rectf lineRect(drawArea);
const MultiLineEditbox::LineInfo& currLine = d_lines[i];
String lineText(w->getTextVisual().substr(currLine.d_startIdx, currLine.d_length));
// offset the font little down so that it's centered within its own spacing
const float old_top = lineRect.top();
lineRect.d_min.d_y += (fnt->getLineSpacing() - fnt->getFontHeight()) * 0.5f;
// if it is a simple 'no selection area' case
if ((currLine.d_startIdx >= w->getSelectionEndIndex()) ||
((currLine.d_startIdx + currLine.d_length) <= w->getSelectionStartIndex()) ||
(w->getSelectionBrushImage() == 0))
{
colours = normalTextCol;
// render the complete line.
fnt->drawText(w->getGeometryBuffer(), lineText,
lineRect.getPosition(), &dest_area, colours);
}
// we have at least some selection highlighting to do
else
{
// Start of actual rendering section.
String sect;
size_t sectIdx = 0, sectLen;
float selStartOffset = 0.0f, selAreaWidth = 0.0f;
// render any text prior to selected region of line.
if (currLine.d_startIdx < w->getSelectionStartIndex())
{
// calculate length of text section
sectLen = w->getSelectionStartIndex() - currLine.d_startIdx;
// get text for this section
sect = lineText.substr(sectIdx, sectLen);
sectIdx += sectLen;
// get the pixel offset to the beginning of the selection area highlight.
selStartOffset = fnt->getTextAdvance(sect);
// draw this portion of the text
colours = normalTextCol;
fnt->drawText(w->getGeometryBuffer(), sect,
lineRect.getPosition(), &dest_area, colours);
// set position ready for next portion of text
lineRect.d_min.d_x += selStartOffset;
}
// calculate the length of the selected section
sectLen = ceguimin(w->getSelectionEndIndex() - currLine.d_startIdx, currLine.d_length) - sectIdx;
// get the text for this section
sect = lineText.substr(sectIdx, sectLen);
sectIdx += sectLen;
// get the extent to use as the width of the selection area highlight
selAreaWidth = fnt->getTextAdvance(sect);
const float text_top = lineRect.top();
lineRect.top(old_top);
// calculate area for the selection brush on this line
lineRect.left(drawArea.left() + selStartOffset);
lineRect.right(lineRect.left() + selAreaWidth);
lineRect.bottom(lineRect.top() + fnt->getLineSpacing());
// render the selection area brush for this line
colours = selectBrushCol;
w->getSelectionBrushImage()->render(w->getGeometryBuffer(), lineRect, &dest_area, colours);
// draw the text for this section
colours = selectTextCol;
fnt->drawText(w->getGeometryBuffer(), sect,
lineRect.getPosition(), &dest_area, colours);
lineRect.top(text_top);
// render any text beyond selected region of line
if (sectIdx < currLine.d_length)
{
// update render position to the end of the selected area.
lineRect.d_min.d_x += selAreaWidth;
// calculate length of this section
sectLen = currLine.d_length - sectIdx;
// get the text for this section
sect = lineText.substr(sectIdx, sectLen);
// render the text for this section.
colours = normalTextCol;
fnt->drawText(w->getGeometryBuffer(), sect,
lineRect.getPosition(), &dest_area, colours);
}
}
// update master position for next line in paragraph.
drawArea.d_min.d_y += fnt->getLineSpacing();
}
}
}
