git-svn-id: svn://localhost/ardour2/branches/3.0@4430 d708f5d6-7413-0410-9779-e7cbd77b26cf
237 lines
6.1 KiB
C++
237 lines
6.1 KiB
C++
/*
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Copyright (C) 2002-2009 Paul Davis
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This program 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 2 of the License, or
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(at your option) any later version.
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This program 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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <iostream>
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#include "ardour/bundle.h"
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#include "port_matrix_column_labels.h"
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#include "port_matrix.h"
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PortMatrixColumnLabels::PortMatrixColumnLabels (PortMatrixBody* b, Location l)
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: PortMatrixComponent (b), _location (l)
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{
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}
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void
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PortMatrixColumnLabels::compute_dimensions ()
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{
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GdkPixmap* pm = gdk_pixmap_new (NULL, 1, 1, 24);
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gdk_drawable_set_colormap (pm, gdk_colormap_get_system());
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cairo_t* cr = gdk_cairo_create (pm);
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/* width of the longest bundle name */
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_longest_bundle_name = 0;
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/* width of the longest channel name */
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_longest_channel_name = 0;
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/* height of highest bit of text */
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_highest_text = 0;
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for (std::vector<boost::shared_ptr<ARDOUR::Bundle> >::const_iterator i = _body->column_bundles().begin (); i != _body->column_bundles().end(); ++i) {
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cairo_text_extents_t ext;
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cairo_text_extents (cr, (*i)->name().c_str(), &ext);
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if (ext.width > _longest_bundle_name) {
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_longest_bundle_name = ext.width;
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}
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if (ext.height > _highest_text) {
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_highest_text = ext.height;
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}
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for (uint32_t j = 0; j < (*i)->nchannels (); ++j) {
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cairo_text_extents (
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cr,
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(*i)->channel_name (j).c_str(),
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&ext
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);
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if (ext.width > _longest_channel_name) {
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_longest_channel_name = ext.width;
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}
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if (ext.height > _highest_text) {
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_highest_text = ext.height;
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}
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}
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}
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cairo_destroy (cr);
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gdk_pixmap_unref (pm);
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/* width and height of the whole thing */
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_width = 0;
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for (std::vector<boost::shared_ptr<ARDOUR::Bundle> >::const_iterator i = _body->column_bundles().begin (); i != _body->column_bundles().end(); ++i) {
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_width += (*i)->nchannels() * column_width();
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}
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_height =
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(_longest_bundle_name + _longest_channel_name + 4 * name_pad()) * sin (angle())
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+ _highest_text * cos (angle());
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_width += _height / tan (angle ());
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}
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double
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PortMatrixColumnLabels::basic_text_x_pos (int c) const
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{
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return column_width() / 2 +
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_highest_text / (2 * sin (angle ()));
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}
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void
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PortMatrixColumnLabels::render (cairo_t* cr)
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{
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/* BACKGROUND */
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set_source_rgb (cr, background_colour());
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cairo_rectangle (cr, 0, 0, _width, _height);
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cairo_fill (cr);
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/* BUNDLE PARALLELOGRAM-TYPE-THING AND NAME */
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double x = 0;
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for (std::vector<boost::shared_ptr<ARDOUR::Bundle> >::const_iterator i = _body->column_bundles().begin (); i != _body->column_bundles().end(); ++i) {
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Gdk::Color colour = get_a_bundle_colour (i - _body->column_bundles().begin ());
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set_source_rgb (cr, colour);
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double const w = (*i)->nchannels() * column_width();
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double x_ = x;
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double y_ = _height;
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cairo_move_to (cr, x_, y_);
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x_ += w;
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cairo_line_to (cr, x_, y_);
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x_ += _height / tan (angle ());
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y_ -= _height;
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cairo_line_to (cr, x_, y_);
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x_ -= w;
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cairo_line_to (cr, x_, y_);
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cairo_line_to (cr, x, _height);
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cairo_fill_preserve (cr);
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set_source_rgb (cr, background_colour());
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cairo_set_line_width (cr, label_border_width());
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cairo_stroke (cr);
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set_source_rgb (cr, text_colour());
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if (_location == TOP) {
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double const rl = 3 * name_pad() + _longest_channel_name;
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cairo_move_to (
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cr,
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x + basic_text_x_pos (0) + rl * cos (angle()),
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_height - rl * sin (angle())
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);
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} else if (_location == BOTTOM) {
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cairo_move_to (
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cr,
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x + basic_text_x_pos (0),
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_height - name_pad() * sin (angle())
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);
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}
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cairo_save (cr);
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cairo_rotate (cr, -angle());
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cairo_show_text (cr, (*i)->name().c_str());
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cairo_restore (cr);
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x += (*i)->nchannels () * column_width();
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}
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/* PORT NAMES */
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x = 0;
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for (std::vector<boost::shared_ptr<ARDOUR::Bundle> >::const_iterator i = _body->column_bundles().begin(); i != _body->column_bundles().end(); ++i) {
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for (uint32_t j = 0; j < (*i)->nchannels(); ++j) {
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double const lc = _longest_channel_name + name_pad();
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double const w = column_width();
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if (_location == BOTTOM) {
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double x_ = x + _height / tan (angle()) + w;
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double const ix = x_;
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double y_ = 0;
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cairo_move_to (cr, x_, y_);
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x_ -= w;
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cairo_line_to (cr, x_, y_);
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x_ -= lc * cos (angle());
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y_ += lc * sin (angle());
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cairo_line_to (cr, x_, y_);
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x_ += w * pow (sin (angle()), 2);
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y_ += w * sin (angle()) * cos (angle());
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cairo_line_to (cr, x_, y_);
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cairo_line_to (cr, ix, 0);
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} else if (_location == TOP) {
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double x_ = x;
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double y_ = _height;
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cairo_move_to (cr, x_, y_);
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x_ += w;
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cairo_line_to (cr, x_, y_);
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x_ += lc * cos (angle());
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y_ -= lc * sin (angle());
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cairo_line_to (cr, x_, y_);
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x_ -= column_width() * pow (sin (angle()), 2);
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y_ -= column_width() * sin (angle()) * cos (angle());
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cairo_line_to (cr, x_, y_);
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cairo_line_to (cr, x, _height);
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}
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Gdk::Color colour = get_a_bundle_colour (i - _body->column_bundles().begin());
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set_source_rgb (cr, colour);
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cairo_fill_preserve (cr);
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set_source_rgb (cr, background_colour());
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cairo_set_line_width (cr, label_border_width());
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cairo_stroke (cr);
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set_source_rgb (cr, text_colour());
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if (_location == TOP) {
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cairo_move_to (cr, x + basic_text_x_pos(j), _height - name_pad() * sin (angle()));
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} else if (_location == BOTTOM) {
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double const rl = 3 * name_pad() + _longest_bundle_name;
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cairo_move_to (cr, x + basic_text_x_pos(j) + rl * cos (angle ()), _height - rl * sin (angle()));
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}
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cairo_save (cr);
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cairo_rotate (cr, -angle());
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cairo_show_text (
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cr,
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(*i)->channel_name(j).c_str()
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);
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cairo_restore (cr);
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x += column_width();
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}
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}
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}
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