TSharedRef< ISlateRun > FImageDecorator::Create( const FTextRunParseResults& RunInfo, const FString& OriginalText, const TSharedRef< FString >& InOutModelText, const ISlateStyle* Style )
{
const FTextRange* const BrushNameRange = RunInfo.MetaData.Find( TEXT("src") );
FTextRange ModelRange;
ModelRange.BeginIndex = InOutModelText->Len();
*InOutModelText += TEXT('\x200B'); // Zero-Width Breaking Space
ModelRange.EndIndex = InOutModelText->Len();
if ( BrushNameRange != NULL )
{
const FString BrushNameString = OriginalText.Mid(BrushNameRange->BeginIndex, BrushNameRange->EndIndex - BrushNameRange->BeginIndex);
if ( OverrideStyle != NULL )
{
Style = OverrideStyle;
}
FName BrushName( *BrushNameString );
if ( Style->HasWidgetStyle< FInlineTextImageStyle >( BrushName ) )
{
const FInlineTextImageStyle& ImageStyle = Style->GetWidgetStyle< FInlineTextImageStyle >( BrushName );
return FSlateImageRun::Create( InOutModelText, &ImageStyle.Image, ImageStyle.Baseline, ModelRange );
}
return FSlateImageRun::Create( InOutModelText, Style->GetBrush( BrushName ), 0, ModelRange );
}
const FInlineTextImageStyle& ImageStyle = FInlineTextImageStyle::GetDefault();
return FSlateImageRun::Create( InOutModelText, &ImageStyle.Image, ImageStyle.Baseline, ModelRange );
}
void LineBrush::BrushMove(const Point source, const Point target)
{
ImpressionistDoc* pDoc = GetDocument();
ImpressionistUI* dlg = pDoc->m_pUI;
if (pDoc == NULL) {
printf("LineBrush::BrushMove document is NULL\n");
return;
}
glBegin(GL_LINES);
float radius = ((float)dlg->getSize() / 2);
Point point = { target.x, target.y };
int counter = strcmp(BrushName(), "Scattered Lines") != 0 ? 1 : (float)dlg->getSize();
for (int i = 0; i < counter; i++) {
SetColor(point);
glVertex2d(point.x - radius, point.y);
glVertex2d(point.x + radius, point.y);
if (counter != 1) {
do {
point = { Math::rand_range(target.x - radius, target.x + radius), Math::rand_range(target.y - radius, target.y + radius) };
} while (fabs(Math::distance(point.x, point.y, target.x, target.y) - radius) > 0.05f);
}
}
glEnd();
}
void CircleBrush::BrushMove(const Point source, const Point target)
{
ImpressionistDoc* pDoc = GetDocument();
ImpressionistUI* dlg = pDoc->m_pUI;
if (pDoc == NULL) {
printf("CircleBrush::BrushMove document is NULL\n");
return;
}
glBegin(GL_TRIANGLE_FAN);
float theta, pos_x, pos_y = 0.0f;
float radius = ((float)dlg->getSize() / 2);
Point center = { target.x, target.y };
Point _center_;
int counter = strcmp(BrushName(), "Scattered Circles")!=0 ? 1 : 3;
for (int i = 0; i < counter; i++) {
SetColor(center);
for (int j = 0; j < 360; j++)
{
theta = 2 * M_PI * j / 360;
pos_x = center.x + cos(theta) * radius;
pos_y = center.y + sin(theta) * radius;
glVertex2f(pos_x, pos_y);
}
if (counter!=1) {
do {
_center_ = { Math::rand_range(center.x - radius, center.x + radius), Math::rand_range(center.y - radius, center.y + radius) };
} while (fabs(Math::distance(center.x, center.y, _center_.x, _center_.y) - radius) > 0.05f);
center = _center_;
}
}
glEnd();
}
