Mercurial > hg > orthanc-stone
view Framework/Layers/FrameRenderer.cpp @ 480:2f6ecb5037ea am-touch-events
added mouse tracker for Layer Mask. Everything seems ok
author | am@osimis.io |
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date | Thu, 14 Feb 2019 10:18:02 +0100 |
parents | b70e9be013e4 |
children | d2c0e347ddc2 |
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/** * Stone of Orthanc * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics * Department, University Hospital of Liege, Belgium * Copyright (C) 2017-2019 Osimis S.A., Belgium * * This program is free software: you can redistribute it and/or * modify it under the terms of the GNU Affero General Public License * as published by the Free Software Foundation, either version 3 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. **/ #include "FrameRenderer.h" #include "GrayscaleFrameRenderer.h" #include "ColorFrameRenderer.h" #include <Core/OrthancException.h> namespace OrthancStone { FrameRenderer::FrameRenderer(const CoordinateSystem3D& framePlane, double pixelSpacingX, double pixelSpacingY, bool isFullQuality) : framePlane_(framePlane), pixelSpacingX_(pixelSpacingX), pixelSpacingY_(pixelSpacingY), isFullQuality_(isFullQuality) { } bool FrameRenderer::RenderLayer(CairoContext& context, const ViewportGeometry& view) { if (!style_.visible_) { return true; } if (display_.get() == NULL) { display_.reset(GenerateDisplay(style_)); } assert(display_.get() != NULL); cairo_t *cr = context.GetObject(); cairo_save(cr); cairo_matrix_t transform; cairo_matrix_init_identity(&transform); cairo_matrix_scale(&transform, pixelSpacingX_, pixelSpacingY_); cairo_matrix_translate(&transform, -0.5, -0.5); cairo_transform(cr, &transform); //cairo_set_operator(cr, CAIRO_OPERATOR_OVER); cairo_set_source_surface(cr, display_->GetObject(), 0, 0); switch (style_.interpolation_) { case ImageInterpolation_Nearest: cairo_pattern_set_filter(cairo_get_source(cr), CAIRO_FILTER_NEAREST); break; case ImageInterpolation_Bilinear: cairo_pattern_set_filter(cairo_get_source(cr), CAIRO_FILTER_BILINEAR); break; default: throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); } cairo_paint_with_alpha(cr, style_.alpha_); if (style_.drawGrid_) { context.SetSourceColor(style_.drawColor_); cairo_set_line_width(cr, 0.5 / view.GetZoom()); for (unsigned int x = 0; x <= display_->GetWidth(); x++) { cairo_move_to(cr, x, 0); cairo_line_to(cr, x, display_->GetHeight()); } for (unsigned int y = 0; y <= display_->GetHeight(); y++) { cairo_move_to(cr, 0, y); cairo_line_to(cr, display_->GetWidth(), y); } cairo_stroke(cr); } cairo_restore(cr); return true; } void FrameRenderer::SetLayerStyle(const RenderStyle& style) { style_ = style; display_.reset(NULL); } ILayerRenderer* FrameRenderer::CreateRenderer(const Orthanc::ImageAccessor& frame, const Slice& framePlane, bool isFullQuality) { if (frame.GetFormat() == Orthanc::PixelFormat_RGB24) { return new ColorFrameRenderer(frame, framePlane.GetGeometry(), framePlane.GetPixelSpacingX(), framePlane.GetPixelSpacingY(), isFullQuality); } else { return new GrayscaleFrameRenderer(frame, framePlane.GetConverter(), framePlane.GetGeometry(), framePlane.GetPixelSpacingX(), framePlane.GetPixelSpacingY(), isFullQuality); } } }