void wxSVGCanvasCairo::DrawPath(cairo_t* cr, wxSVGCanvasPathCairo& canvasPath, const wxSVGMatrix& matrix,
const wxCSSStyleDeclaration& style, wxSVGSVGElement& svgElem) {
SetMatrix(cr, matrix);
// Filling
if (canvasPath.GetFill() && style.GetFill().Ok() && style.GetFill().GetPaintType() != wxSVG_PAINTTYPE_NONE) {
cairo_path_t* path = canvasPath.GetPath();
cairo_append_path(cr, path);
SetPaint(cr, style.GetFill(), style.GetOpacity()*style.GetFillOpacity(), canvasPath, svgElem, matrix);
cairo_fill(cr);
cairo_path_destroy(path);
}
// Stroking
if (style.GetStroke().Ok() && style.GetStrokeWidth() > 0
&& style.GetStroke().GetPaintType() != wxSVG_PAINTTYPE_NONE) {
cairo_path_t* path = canvasPath.GetPath();
cairo_append_path(cr, path);
SetPaint(cr, style.GetStroke(), style.GetOpacity()*style.GetStrokeOpacity(), canvasPath, svgElem, matrix);
wxSVGCanvasPathCairo::ApplyStrokeStyle(cr, style);
cairo_stroke(cr);
cairo_path_destroy(path);
}
// marker
if (style.HasMarkerStart()) {
DrawMarker(style.GetMarkerStart().GetStringValue(), wxSVGMark::START, canvasPath, matrix, style, svgElem);
}
if (style.HasMarkerMid()) {
DrawMarker(style.GetMarkerMid().GetStringValue(), wxSVGMark::MID, canvasPath, matrix, style, svgElem);
}
if (style.HasMarkerEnd()) {
DrawMarker(style.GetMarkerEnd().GetStringValue(), wxSVGMark::END, canvasPath, matrix, style, svgElem);
}
}
void wxSVGCanvasCairo::DrawCanvasImage(wxSVGCanvasImage& canvasImage, cairo_surface_t* cairoSurface,
wxSVGMatrix& matrix, const wxCSSStyleDeclaration& style, wxSVGSVGElement& svgElem) {
if (cairoSurface == NULL)
return;
cairo_save(m_cr);
// ClipPath
if (style.GetClipPath().GetCSSPrimitiveType() == wxCSS_URI && style.GetClipPath().GetStringValue().length() > 1) {
wxString clipPathId = style.GetClipPath().GetStringValue().substr(1);
wxSVGClipPathElement* clipPathElem = (wxSVGClipPathElement*) svgElem.GetElementById(clipPathId);
if (clipPathElem && clipPathElem->GetDtd() == wxSVG_CLIPPATH_ELEMENT) {
clipPathElem->SetOwnerSVGElement(&svgElem);
clipPathElem->SetViewportElement(&svgElem);
wxSVGMatrix clipMatrix(matrix);
clipPathElem->UpdateMatrix(clipMatrix);
SetClipPath(clipPathElem, clipMatrix);
}
}
SetMatrix(m_cr, matrix);
// scale context
double x = canvasImage.m_x;
double y = canvasImage.m_y;
double scaleX = canvasImage.m_width / canvasImage.m_image.GetWidth();
double scaleY = canvasImage.m_height / canvasImage.m_image.GetHeight();
wxSVG_PRESERVEASPECTRATIO align = canvasImage.GetPreserveAspectRatio().GetAlign();
bool alignX = false;
if (align > wxSVG_PRESERVEASPECTRATIO_NONE) {
scaleY = canvasImage.m_height / canvasImage.GetDefaultHeight();
if (canvasImage.GetPreserveAspectRatio().GetMeetOrSlice() != wxSVG_MEETORSLICE_SLICE) {
alignX = scaleX > scaleY;
} else {
cairo_rectangle(m_cr, x, y, canvasImage.m_width, canvasImage.m_height);
cairo_clip(m_cr);
alignX = scaleX < scaleY;
}
if (alignX) {
scaleX = scaleY;
if (align == wxSVG_PRESERVEASPECTRATIO_XMIDYMIN
|| align == wxSVG_PRESERVEASPECTRATIO_XMIDYMID
|| align == wxSVG_PRESERVEASPECTRATIO_XMIDYMAX)
x += (canvasImage.m_width - canvasImage.GetDefaultWidth() * scaleX) / 2;
else if (align == wxSVG_PRESERVEASPECTRATIO_XMAXYMIN
|| align == wxSVG_PRESERVEASPECTRATIO_XMAXYMID
|| align == wxSVG_PRESERVEASPECTRATIO_XMAXYMAX)
x += canvasImage.m_width - canvasImage.GetDefaultWidth() * scaleX;
} else {
scaleY = scaleX;
if (align == wxSVG_PRESERVEASPECTRATIO_XMINYMID
|| align == wxSVG_PRESERVEASPECTRATIO_XMIDYMID
|| align == wxSVG_PRESERVEASPECTRATIO_XMAXYMID)
y += (canvasImage.m_height - canvasImage.GetDefaultHeight() * scaleY) / 2;
else if (align == wxSVG_PRESERVEASPECTRATIO_XMINYMAX
|| align == wxSVG_PRESERVEASPECTRATIO_XMIDYMAX
|| align == wxSVG_PRESERVEASPECTRATIO_XMAXYMAX)
y += canvasImage.m_height - canvasImage.GetDefaultHeight() * scaleY;
}
scaleY = scaleY * canvasImage.GetDefaultHeight() / canvasImage.m_image.GetHeight();
}
cairo_translate(m_cr, x, y);
cairo_scale(m_cr, scaleX, scaleY);
// prepare to draw the image
cairo_set_source_surface(m_cr, cairoSurface, 0, 0);
// use the original size here since the context is scaled already...
cairo_rectangle(m_cr, 0, 0, canvasImage.m_image.GetWidth(), canvasImage.m_image.GetHeight());
// paint
if (style.GetMask().GetCSSPrimitiveType() == wxCSS_URI && style.GetMask().GetStringValue().length() > 1) {
wxString maskId = style.GetMask().GetStringValue().substr(1);
wxSVGMaskElement* maskElem = (wxSVGMaskElement*) svgElem.GetElementById(maskId);
if (maskElem && maskElem->GetDtd() == wxSVG_MASK_ELEMENT) {
maskElem->SetOwnerSVGElement(&svgElem);
maskElem->SetViewportElement(&svgElem);
cairo_surface_t* surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32,
svgElem.GetWidth().GetAnimVal()/scaleX, svgElem.GetHeight().GetAnimVal()/scaleY);
cairo_t* cr = cairo_create(surface);
wxSVGMatrix maskMatrix;
maskMatrix = maskMatrix.Translate(x, y).ScaleNonUniform(scaleX, scaleY).Inverse();
DrawMask(cr, maskElem, maskMatrix, style, svgElem);
cairo_mask_surface(m_cr, surface, 0, 0);
cairo_destroy(cr);
cairo_surface_destroy(surface);
}
} else {
cairo_paint_with_alpha(m_cr, style.GetOpacity());
}
cairo_new_path(m_cr);
// clean up
cairo_restore(m_cr);
}
