void Text::GetBatches(PODVector<UIBatch>& batches, PODVector<float>& vertexData, const IntRect& currentScissor)
{
// Hovering and/or whole selection batch
if ((hovering_ && hoverColor_.a_ > 0.0) || (selected_ && selectionColor_.a_ > 0.0f))
{
bool both = hovering_ && selected_ && hoverColor_.a_ > 0.0 && selectionColor_.a_ > 0.0f;
UIBatch batch(this, BLEND_ALPHA, currentScissor, 0, &vertexData);
batch.AddQuad(0, 0, GetWidth(), GetHeight(), 0, 0, 0, 0, both ? selectionColor_.Lerp(hoverColor_, 0.5f) :
(selected_ && selectionColor_.a_ > 0.0f ? selectionColor_ : hoverColor_));
UIBatch::AddOrMerge(batch, batches);
}
// Partial selection batch
if (!selected_ && selectionLength_ && charSizes_.Size() >= selectionStart_ + selectionLength_ && selectionColor_.a_ > 0.0f)
{
UIBatch batch(this, BLEND_ALPHA, currentScissor, 0, &vertexData);
IntVector2 currentStart = charPositions_[selectionStart_];
IntVector2 currentEnd = currentStart;
for (unsigned i = selectionStart_; i < selectionStart_ + selectionLength_; ++i)
{
// Check if row changes, and start a new quad in that case
if (charSizes_[i].x_ && charSizes_[i].y_)
{
if (charPositions_[i].y_ != currentStart.y_)
{
batch.AddQuad(currentStart.x_, currentStart.y_, currentEnd.x_ - currentStart.x_, currentEnd.y_ - currentStart.y_,
0, 0, 0, 0, selectionColor_);
currentStart = charPositions_[i];
currentEnd = currentStart + charSizes_[i];
}
else
{
currentEnd.x_ += charSizes_[i].x_;
currentEnd.y_ = Max(currentStart.y_ + charSizes_[i].y_, currentEnd.y_);
}
}
}
if (currentEnd != currentStart)
{
batch.AddQuad(currentStart.x_, currentStart.y_, currentEnd.x_ - currentStart.x_, currentEnd.y_ - currentStart.y_,
0, 0, 0, 0, selectionColor_);
}
UIBatch::AddOrMerge(batch, batches);
}
// Text batch
if (font_)
{
const FontFace* face = font_->GetFace(fontSize_);
if (!face)
return;
if (face->textures_.Size() > 1)
{
// Only traversing thru the printText once regardless of number of textures/pages in the font
Vector<PODVector<GlyphLocation> > pageGlyphLocations(face->textures_.Size());
unsigned rowIndex = 0;
int x = GetRowStartPosition(rowIndex);
int y = 0;
for (unsigned i = 0; i < printText_.Size(); ++i)
{
unsigned c = printText_[i];
if (c != '\n')
{
const FontGlyph* p = face->GetGlyph(c);
if (!p)
continue;
pageGlyphLocations[p->page_].Push(GlyphLocation(x, y, p));
x += p->advanceX_;
if (i < printText_.Size() - 1)
x += face->GetKerning(c, printText_[i + 1]);
}
else
{
x = GetRowStartPosition(++rowIndex);
y += rowHeight_;
}
}
for (unsigned n = 0; n < face->textures_.Size(); ++n)
{
// One batch per texture/page
UIBatch pageBatch(this, BLEND_ALPHA, currentScissor, face->textures_[n], &vertexData);
const PODVector<GlyphLocation>& pageGlyphLocation = pageGlyphLocations[n];
for (unsigned i = 0; i < pageGlyphLocation.Size(); ++i)
{
const GlyphLocation& glyphLocation = pageGlyphLocation[i];
const FontGlyph& glyph = *glyphLocation.glyph_;
pageBatch.AddQuad(glyphLocation.x_ + glyph.offsetX_, glyphLocation.y_ + glyph.offsetY_, glyph.width_, glyph.height_, glyph.x_, glyph.y_);
}
batches.Push(pageBatch);
}
}
else
{
// If only one texture page, construct the UI batch directly
unsigned rowIndex = 0;
int x = GetRowStartPosition(rowIndex);
int y = 0;
UIBatch batch(this, BLEND_ALPHA, currentScissor, face->textures_[0], &vertexData);
for (unsigned i = 0; i < printText_.Size(); ++i)
{
unsigned c = printText_[i];
if (c != '\n')
{
const FontGlyph* p = face->GetGlyph(c);
if (!p)
continue;
batch.AddQuad(x + p->offsetX_, y + p->offsetY_, p->width_, p->height_, p->x_, p->y_);
x += p->advanceX_;
if (i < printText_.Size() - 1)
x += face->GetKerning(c, printText_[i + 1]);
}
else
{
x = GetRowStartPosition(++rowIndex);
y += rowHeight_;
}
}
UIBatch::AddOrMerge(batch, batches);
}
}
// Reset hovering for next frame
hovering_ = false;
}
void Text::GetBatches(ea::vector<UIBatch>& batches, ea::vector<float>& vertexData, const IntRect& currentScissor)
{
FontFace* face = font_ ? font_->GetFace(fontSize_) : nullptr;
if (!face)
{
hovering_ = false;
return;
}
// If face has changed or char locations are not valid anymore, update before rendering
if (charLocationsDirty_ || !fontFace_ || face != fontFace_)
UpdateCharLocations();
// If face uses mutable glyphs mechanism, reacquire glyphs before rendering to make sure they are in the texture
else if (face->HasMutableGlyphs())
{
for (unsigned i = 0; i < printText_.size(); ++i)
face->GetGlyph(printText_[i]);
}
// Hovering and/or whole selection batch
UISelectable::GetBatches(batches, vertexData, currentScissor);
// Partial selection batch
if (!selected_ && selectionLength_ && charLocations_.size() >= selectionStart_ + selectionLength_ && selectionColor_.a_ > 0.0f)
{
UIBatch batch(this, BLEND_ALPHA, currentScissor, nullptr, &vertexData);
batch.SetColor(selectionColor_);
Vector2 currentStart = charLocations_[selectionStart_].position_;
Vector2 currentEnd = currentStart;
for (unsigned i = selectionStart_; i < selectionStart_ + selectionLength_; ++i)
{
// Check if row changes, and start a new quad in that case
if (charLocations_[i].size_ != Vector2::ZERO)
{
if (charLocations_[i].position_.y_ != currentStart.y_)
{
batch.AddQuad(currentStart.x_, currentStart.y_, currentEnd.x_ - currentStart.x_,
currentEnd.y_ - currentStart.y_, 0, 0);
currentStart = charLocations_[i].position_;
currentEnd = currentStart + charLocations_[i].size_;
}
else
{
currentEnd.x_ += charLocations_[i].size_.x_;
currentEnd.y_ = Max(currentStart.y_ + charLocations_[i].size_.y_, currentEnd.y_);
}
}
}
if (currentEnd != currentStart)
{
batch.AddQuad(currentStart.x_, currentStart.y_, currentEnd.x_ - currentStart.x_, currentEnd.y_ - currentStart.y_, 0, 0);
}
UIBatch::AddOrMerge(batch, batches);
}
// Text batch
TextEffect textEffect = font_->IsSDFFont() ? TE_NONE : textEffect_;
const ea::vector<ea::shared_ptr<Texture2D> >& textures = face->GetTextures();
for (unsigned n = 0; n < textures.size() && n < pageGlyphLocations_.size(); ++n)
{
// One batch per texture/page
UIBatch pageBatch(this, BLEND_ALPHA, currentScissor, textures[n], &vertexData);
const ea::vector<GlyphLocation>& pageGlyphLocation = pageGlyphLocations_[n];
switch (textEffect)
{
case TE_NONE:
ConstructBatch(pageBatch, pageGlyphLocation, 0, 0);
break;
case TE_SHADOW:
ConstructBatch(pageBatch, pageGlyphLocation, shadowOffset_.x_, shadowOffset_.y_, &effectColor_, effectDepthBias_);
ConstructBatch(pageBatch, pageGlyphLocation, 0, 0);
break;
case TE_STROKE:
if (roundStroke_)
{
// Samples should be even or glyph may be redrawn in wrong x y pos making stroke corners rough
// Adding to thickness helps with thickness of 1 not having enought samples for this formula
// or certain fonts with reflex corners requiring more glyph samples for a smooth stroke when large
int thickness = Min(strokeThickness_, fontSize_);
int samples = thickness * thickness + (thickness % 2 == 0 ? 4 : 3);
float angle = 360.f / samples;
auto floatThickness = (float)thickness;
for (int i = 0; i < samples; ++i)
{
float x = Cos(angle * i) * floatThickness;
float y = Sin(angle * i) * floatThickness;
ConstructBatch(pageBatch, pageGlyphLocation, x, y, &effectColor_, effectDepthBias_);
}
}
else
{
int thickness = Min(strokeThickness_, fontSize_);
int x, y;
for (x = -thickness; x <= thickness; ++x)
{
for (y = -thickness; y <= thickness; ++y)
{
// Don't draw glyphs that aren't on the edges
if (x > -thickness && x < thickness &&
y > -thickness && y < thickness)
continue;
ConstructBatch(pageBatch, pageGlyphLocation, x, y, &effectColor_, effectDepthBias_);
}
}
}
ConstructBatch(pageBatch, pageGlyphLocation, 0, 0);
break;
}
UIBatch::AddOrMerge(pageBatch, batches);
}
}
void Text::GetBatches(PODVector<UIBatch>& batches, PODVector<float>& vertexData, const IntRect& currentScissor)
{
FontFace* face = font_ ? font_->GetFace(fontSize_) : (FontFace*)0;
if (!face)
{
hovering_ = false;
return;
}
// If face has changed or char locations are not valid anymore, update before rendering
if (charLocationsDirty_ || !fontFace_ || face != fontFace_)
UpdateCharLocations();
// If face uses mutable glyphs mechanism, reacquire glyphs before rendering to make sure they are in the texture
else if (face->HasMutableGlyphs())
{
for (unsigned i = 0; i < printText_.Size(); ++i)
face->GetGlyph(printText_[i]);
}
// Hovering and/or whole selection batch
if ((hovering_ && hoverColor_.a_ > 0.0) || (selected_ && selectionColor_.a_ > 0.0f))
{
bool both = hovering_ && selected_ && hoverColor_.a_ > 0.0 && selectionColor_.a_ > 0.0f;
UIBatch batch(this, BLEND_ALPHA, currentScissor, 0, &vertexData);
batch.SetColor(both ? selectionColor_.Lerp(hoverColor_, 0.5f) :
(selected_ && selectionColor_.a_ > 0.0f ? selectionColor_ : hoverColor_));
batch.AddQuad(0, 0, GetWidth(), GetHeight(), 0, 0);
UIBatch::AddOrMerge(batch, batches);
}
// Partial selection batch
if (!selected_ && selectionLength_ && charLocations_.Size() >= selectionStart_ + selectionLength_ && selectionColor_.a_ > 0.0f)
{
UIBatch batch(this, BLEND_ALPHA, currentScissor, 0, &vertexData);
batch.SetColor(selectionColor_);
IntVector2 currentStart = charLocations_[selectionStart_].position_;
IntVector2 currentEnd = currentStart;
for (unsigned i = selectionStart_; i < selectionStart_ + selectionLength_; ++i)
{
// Check if row changes, and start a new quad in that case
if (charLocations_[i].size_ != IntVector2::ZERO)
{
if (charLocations_[i].position_.y_ != currentStart.y_)
{
batch.AddQuad(currentStart.x_, currentStart.y_, currentEnd.x_ - currentStart.x_,
currentEnd.y_ - currentStart.y_, 0, 0);
currentStart = charLocations_[i].position_;
currentEnd = currentStart + charLocations_[i].size_;
}
else
{
currentEnd.x_ += charLocations_[i].size_.x_;
currentEnd.y_ = Max(currentStart.y_ + charLocations_[i].size_.y_, currentEnd.y_);
}
}
}
if (currentEnd != currentStart)
{
batch.AddQuad(currentStart.x_, currentStart.y_, currentEnd.x_ - currentStart.x_, currentEnd.y_ - currentStart.y_, 0, 0);
}
UIBatch::AddOrMerge(batch, batches);
}
// Text batch
TextEffect textEffect = font_->IsSDFFont() ? TE_NONE : textEffect_;
const Vector<SharedPtr<Texture2D> >& textures = face->GetTextures();
for (unsigned n = 0; n < textures.Size() && n < pageGlyphLocations_.Size(); ++n)
{
// One batch per texture/page
UIBatch pageBatch(this, BLEND_ALPHA, currentScissor, textures[n], &vertexData);
const PODVector<GlyphLocation>& pageGlyphLocation = pageGlyphLocations_[n];
switch (textEffect)
{
case TE_NONE:
ConstructBatch(pageBatch, pageGlyphLocation, 0, 0);
break;
case TE_SHADOW:
ConstructBatch(pageBatch, pageGlyphLocation, 1, 1, &effectColor_, effectDepthBias_);
ConstructBatch(pageBatch, pageGlyphLocation, 0, 0);
break;
case TE_STROKE:
ConstructBatch(pageBatch, pageGlyphLocation, -1, -1, &effectColor_, effectDepthBias_);
ConstructBatch(pageBatch, pageGlyphLocation, 0, -1, &effectColor_, effectDepthBias_);
ConstructBatch(pageBatch, pageGlyphLocation, 1, -1, &effectColor_, effectDepthBias_);
ConstructBatch(pageBatch, pageGlyphLocation, -1, 0, &effectColor_, effectDepthBias_);
ConstructBatch(pageBatch, pageGlyphLocation, 1, 0, &effectColor_, effectDepthBias_);
ConstructBatch(pageBatch, pageGlyphLocation, -1, 1, &effectColor_, effectDepthBias_);
ConstructBatch(pageBatch, pageGlyphLocation, 0, 1, &effectColor_, effectDepthBias_);
ConstructBatch(pageBatch, pageGlyphLocation, 1, 1, &effectColor_, effectDepthBias_);
ConstructBatch(pageBatch, pageGlyphLocation, 0, 0);
break;
}
UIBatch::AddOrMerge(pageBatch, batches);
}
// Reset hovering for next frame
hovering_ = false;
}
