333 lines
12 KiB
C++
333 lines
12 KiB
C++
/*
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* This file is part of RawTherapee.
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*
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* Copyright (c) 2004-2010 Gabor Horvath <hgabor@rawtherapee.com>
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*
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* RawTherapee is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* RawTherapee is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with RawTherapee. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "lockablecolorpicker.h"
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#include "options.h"
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#include "../rtengine/color.h"
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#include "../rtengine/rt_math.h"
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#include "imagearea.h"
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#include "multilangmgr.h"
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extern Options options;
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LockableColorPicker::LockableColorPicker (CropWindow* cropWindow)
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: cropWindow(cropWindow), displayedValues(ColorPickerType::RGB), position(0, 0), size(PickerSize::S20),
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isValid(false), r(0.f), g(0.f), b(0.f), h(0.f), s(0.f), v(0.f)
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{
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}
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LockableColorPicker::LockableColorPicker (int x, int y, PickerSize size, const float R, const float G, const float B, CropWindow* cropWindow)
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: cropWindow(cropWindow), displayedValues(ColorPickerType::RGB), position(x, y), size(size),
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isValid(false), r(R), g(G), b(B)
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{
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float h_, s_, v_;
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rtengine::Color::rgb2hsv((float)r*65535.f, (float)g*65535.f, (float)b*65535.f, h_, s_, v_);
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h = (int)(h_*255.f);
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s = (int)(s_*255.f);
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v = (int)(v_*255.f);
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}
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void LockableColorPicker::updateBackBuffer ()
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{
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int newW, newH;
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// -------------------- setting some key constants ---------------------
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const float circlePadding = 3.f;
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// ---------------------------------------------------------------------
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if (isValid) {
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Gtk::DrawingArea *iArea = cropWindow->getImageArea();
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Cairo::RefPtr<Cairo::Context> bbcr = BackBuffer::getContext();
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Glib::RefPtr<Pango::Context> pangoContext = iArea->get_pango_context ();
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Pango::FontDescription fontd(options.colorPickerFont);
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pangoContext->set_font_description (fontd);
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// for drawing text
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bbcr->set_line_width (0.);
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Glib::RefPtr<Pango::Layout> layout[3][2];
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switch (displayedValues) {
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case ColorPickerType::RGB:
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layout[0][0] = iArea->create_pango_layout(M("NAVIGATOR_R") + " ");
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layout[0][1] = iArea->create_pango_layout(Glib::ustring::format(std::fixed, std::setprecision(0), (int)(r*255.f)));
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layout[1][0] = iArea->create_pango_layout(M("NAVIGATOR_G") + " ");
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layout[1][1] = iArea->create_pango_layout(Glib::ustring::format(std::fixed, std::setprecision(0), (int)(g*255.f)));
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layout[2][0] = iArea->create_pango_layout(M("NAVIGATOR_B") + " ");
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layout[2][1] = iArea->create_pango_layout(Glib::ustring::format(std::fixed, std::setprecision(0), (int)(b*255.f)));
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break;
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case ColorPickerType::HSV:
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default:
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layout[0][0] = iArea->create_pango_layout(M("NAVIGATOR_H") + " ");
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layout[0][1] = iArea->create_pango_layout(Glib::ustring::format(std::fixed, std::setprecision(0), (int)(h*255.f)));
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layout[1][0] = iArea->create_pango_layout(M("NAVIGATOR_S") + " ");
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layout[1][1] = iArea->create_pango_layout(Glib::ustring::format(std::fixed, std::setprecision(0), (int)(s*255.f)));
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layout[2][0] = iArea->create_pango_layout(M("NAVIGATOR_V") + " ");
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layout[2][1] = iArea->create_pango_layout(Glib::ustring::format(std::fixed, std::setprecision(0), (int)(v*255.f)));
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}
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int w00, w01, w10, w11, w20, w21, h00, h01, h10, h11, h20, h21;
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layout[0][0]->get_pixel_size(w00, h00);
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layout[1][0]->get_pixel_size(w10, h10);
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layout[2][0]->get_pixel_size(w20, h20);
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layout[0][1]->get_pixel_size(w01, h01);
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layout[1][1]->get_pixel_size(w11, h11);
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layout[2][1]->get_pixel_size(w21, h21);
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int maxWCol0 = rtengine::max(w00, w10, w20);
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int maxWCol1 = rtengine::max(w01, w11, w21);
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int maxHRow0 = rtengine::max(h00, h01);
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int maxHRow1 = rtengine::max(h10, h11);
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int maxHRow2 = rtengine::max(h20, h21);
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// -------------------- setting some key constants ---------------------
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const int textPadding = 2;
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const int textWidth = maxWCol0 + maxWCol1 + textPadding;
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const int textHeight = maxHRow0 + maxHRow1 + maxHRow2 + 2*textPadding;
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const double opacity = 0.75;
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// ---------------------------------------------------------------------
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newW = rtengine::max<int>((int)size + 2 * circlePadding, textWidth + 2 * textPadding);
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newH = (int)size + 2 * circlePadding + textHeight + 2 * textPadding;
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setDrawRectangle(Cairo::FORMAT_ARGB32, 0, 0, newW, newH, true);
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float center = (float)size/2.f + circlePadding;
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// black background of the whole color picker
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bbcr->set_line_width (0.);
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bbcr->arc_negative (center, center, center, 0.f, (float)M_PI);
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bbcr->line_to (0, 2.f * center + textHeight + 2*textPadding);
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bbcr->line_to (textWidth + 2*textPadding, 2.f * center + textHeight + 2*textPadding);
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bbcr->line_to (textWidth + 2*textPadding, 2.f * center);
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bbcr->line_to (2.f * center, 2.f * center);
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bbcr->close_path();
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bbcr->set_source_rgba (0., 0., 0., opacity);
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bbcr->set_line_join (Cairo::LINE_JOIN_BEVEL);
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bbcr->set_line_cap (Cairo::LINE_CAP_SQUARE);
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bbcr->fill ();
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// light grey circle around the color mark
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bbcr->arc (center, center, center - circlePadding / 2.f - 0.5f, 0.f, 2.f * (float)M_PI);
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bbcr->set_source_rgb (0.7, 0.7, 0.7);
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bbcr->set_line_width (circlePadding-2.f);
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bbcr->stroke ();
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// spot disc with picked color
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bbcr->arc (center, center, center - circlePadding - 0.5f, 0.f, 2.f * (float)M_PI);
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bbcr->set_source_rgb (r, g, b); // <- set the picker color here
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bbcr->set_line_width (0.);
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bbcr->fill();
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// adding the font
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bbcr->set_line_width (0.);
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bbcr->set_line_join (Cairo::LINE_JOIN_ROUND);
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bbcr->set_line_cap (Cairo::LINE_CAP_ROUND);
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bbcr->set_source_rgb (1., 1., 1.);
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double txtOffsetX = textPadding;
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double txtOffsetY = (double)size + 2.f * circlePadding + textPadding;
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switch (iArea->get_direction()) {
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case Gtk::TEXT_DIR_RTL:
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bbcr->move_to (txtOffsetX , txtOffsetY);
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layout[0][1]->add_to_cairo_context (bbcr);
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bbcr->fill ();
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bbcr->move_to (txtOffsetX + maxWCol1 + textPadding, txtOffsetY);
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layout[0][0]->add_to_cairo_context (bbcr);
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bbcr->fill ();
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bbcr->move_to (txtOffsetX , txtOffsetY + maxHRow0 + textPadding);
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layout[1][1]->add_to_cairo_context (bbcr);
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bbcr->fill ();
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bbcr->move_to (txtOffsetX + maxWCol1 + textPadding, txtOffsetY + maxHRow0 + textPadding);
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layout[1][0]->add_to_cairo_context (bbcr);
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bbcr->fill ();
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bbcr->move_to (txtOffsetX , txtOffsetY + maxHRow0 + maxHRow1 + 2*textPadding);
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layout[2][1]->add_to_cairo_context (bbcr);
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bbcr->fill ();
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bbcr->move_to (txtOffsetX + maxWCol1 + textPadding, txtOffsetY + maxHRow0 + maxHRow1 + 2*textPadding);
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layout[2][0]->add_to_cairo_context (bbcr);
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bbcr->fill ();
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break;
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default:
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bbcr->move_to (txtOffsetX , txtOffsetY);
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layout[0][0]->add_to_cairo_context (bbcr);
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bbcr->fill ();
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bbcr->move_to (txtOffsetX + maxWCol0 + textPadding, txtOffsetY);
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layout[0][1]->add_to_cairo_context (bbcr);
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bbcr->fill ();
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bbcr->move_to (txtOffsetX , txtOffsetY + maxHRow0 + textPadding);
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layout[1][0]->add_to_cairo_context (bbcr);
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bbcr->fill ();
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bbcr->move_to (txtOffsetX + maxWCol0 + textPadding, txtOffsetY + maxHRow0 + textPadding);
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layout[1][1]->add_to_cairo_context (bbcr);
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bbcr->fill ();
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bbcr->move_to (txtOffsetX , txtOffsetY + maxHRow0 + maxHRow1 + 2*textPadding);
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layout[2][0]->add_to_cairo_context (bbcr);
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bbcr->fill ();
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bbcr->move_to (txtOffsetX + maxWCol0 + textPadding, txtOffsetY + maxHRow0 + maxHRow1 + 2*textPadding);
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layout[2][1]->add_to_cairo_context (bbcr);
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bbcr->fill ();
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}
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anchorOffset.set (center, center);
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} else {
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newH = newW = (int)size + 2 * circlePadding;
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setDrawRectangle(Cairo::FORMAT_ARGB32, 0, 0, newW, newH, true);
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Cairo::RefPtr<Cairo::Context> bbcr = BackBuffer::getContext();
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float center = (float)size/2.f + circlePadding;
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bbcr->arc (center, center, center - circlePadding/2.f, 0.f, 2.f * (float)M_PI);
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bbcr->set_source_rgb (0., 0., 0.);
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bbcr->set_line_width(circlePadding);
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bbcr->stroke_preserve();
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bbcr->set_source_rgb (1., 1., 1.);
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bbcr->set_line_width(circlePadding-2.f);
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bbcr->stroke ();
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anchorOffset.set (center, center);
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}
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setDirty (false);
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}
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void LockableColorPicker::draw (Cairo::RefPtr<Cairo::Context> &cr)
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{
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if (isDirty()) {
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updateBackBuffer();
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}
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int px, py;
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cropWindow->imageCoordToScreen(position.x, position.y, px, py);
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setDestPosition(px - anchorOffset.x, py - anchorOffset.y);
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copySurface(cr);
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}
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void LockableColorPicker::setPosition (const rtengine::Coord &newPos, const float R, const float G, const float B)
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{
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// we're not checking bounds here, this will be done at rendering time
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position = newPos;
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r = R;
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g = G;
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b = B;
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float h_, s_, v_;
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rtengine::Color::rgb2hsv((float)r*65535.f, (float)g*65535.f, (float)b*65535.f, h_, s_, v_);
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h = (float)h_;
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s = (float)s_;
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v = (float)v_;
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if (isValid) {
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setDirty(true);
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}
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}
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void LockableColorPicker::setRGB (const float R, const float G, const float B)
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{
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if (r==R && g==G && b==B) {
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return;
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}
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r = R;
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g = G;
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b = B;
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float h_, s_, v_;
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rtengine::Color::rgb2hsv((float)r*65535.f, (float)g*65535.f, (float)b*65535.f, h_, s_, v_);
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h = (float)h_;
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s = (float)s_;
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v = (float)v_;
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if (isValid) {
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setDirty(true);
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}
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}
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void LockableColorPicker::getImagePosition (rtengine::Coord &imgPos)
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{
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imgPos = position;
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}
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void LockableColorPicker::getScreenPosition (rtengine::Coord &screenPos)
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{
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if (cropWindow) {
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cropWindow->imageCoordToScreen(position.x, position.y, screenPos.x, screenPos.y);
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}
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}
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bool LockableColorPicker::isOver (int x, int y)
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{
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if (!cropWindow) {
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return false;
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}
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rtengine::Coord pickerScreenPos;
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cropWindow->imageCoordToScreen(position.x, position.y, pickerScreenPos.x, pickerScreenPos.y);
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rtengine::Coord mousePos(x, y);
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rtengine::Coord wh(getWidth(), getHeight());
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rtengine::Coord tl(pickerScreenPos - anchorOffset);
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rtengine::Coord br(tl + wh);
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return mousePos >= tl && mousePos <= br;
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}
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void LockableColorPicker::setValidity (bool isValid)
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{
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if (this->isValid != isValid) {
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setDirty(true);
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}
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this->isValid = isValid;
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}
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void LockableColorPicker::setSize (PickerSize newSize)
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{
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if (size != newSize)
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{
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size = newSize;
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setDirty(true);
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}
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}
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LockableColorPicker::PickerSize LockableColorPicker::getSize ()
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{
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return size;
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}
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void LockableColorPicker::incSize ()
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{
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if (size < PickerSize::S30) {
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size = (PickerSize)((int)size + 5);
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setDirty(true);
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}
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}
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void LockableColorPicker::decSize ()
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{
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if (size > PickerSize::S5) {
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size = (PickerSize)((int)size - 5);
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setDirty(true);
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}
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}
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