diff options
author | Doug McLain <doug@nostar.net> | 2008-06-02 05:02:28 +0000 |
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committer | Doug McLain <doug@nostar.net> | 2008-06-02 05:02:28 +0000 |
commit | 9c0d7d72d70082a54f823cd44c0ccda5da64bb6f (patch) | |
tree | 96ec400b83b8c1c06852b1936f684b5fbcd47a79 /libs/gtkmm2ext/fastmeter.cc | |
parent | 2f3f697bb8e185eb43c2c50b4eefc2bcb937f269 (diff) |
remove empty sigc++2 directory
git-svn-id: svn://localhost/ardour2/branches/3.0@3432 d708f5d6-7413-0410-9779-e7cbd77b26cf
Diffstat (limited to 'libs/gtkmm2ext/fastmeter.cc')
-rw-r--r-- | libs/gtkmm2ext/fastmeter.cc | 567 |
1 files changed, 0 insertions, 567 deletions
diff --git a/libs/gtkmm2ext/fastmeter.cc b/libs/gtkmm2ext/fastmeter.cc deleted file mode 100644 index 63c36558f1..0000000000 --- a/libs/gtkmm2ext/fastmeter.cc +++ /dev/null @@ -1,567 +0,0 @@ -/* - Copyright (C) 2003-2006 Paul Davis - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 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 General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - - $Id$ -*/ - -#include <iostream> -#include <cmath> -#include <algorithm> -#include <gdkmm/rectangle.h> -#include <gtkmm2ext/fastmeter.h> -#include <gtkmm2ext/utils.h> -#include <gtkmm/style.h> -#include <string.h> - -#define UINT_TO_RGB(u,r,g,b) { (*(r)) = ((u)>>16)&0xff; (*(g)) = ((u)>>8)&0xff; (*(b)) = (u)&0xff; } -#define UINT_TO_RGBA(u,r,g,b,a) { UINT_TO_RGB(((u)>>8),r,g,b); (*(a)) = (u)&0xff; } -using namespace Gtk; -using namespace Gdk; -using namespace Glib; -using namespace Gtkmm2ext; -using namespace std; - - -int FastMeter::min_v_pixbuf_size = 10; -int FastMeter::max_v_pixbuf_size = 1024; -Glib::RefPtr<Gdk::Pixbuf>* FastMeter::v_pixbuf_cache = 0; - -int FastMeter::min_h_pixbuf_size = 10; -int FastMeter::max_h_pixbuf_size = 1024; -Glib::RefPtr<Gdk::Pixbuf>* FastMeter::h_pixbuf_cache = 0; - -int FastMeter::_clr0 = 0; -int FastMeter::_clr1 = 0; -int FastMeter::_clr2 = 0; -int FastMeter::_clr3 = 0; - -FastMeter::FastMeter (long hold, unsigned long dimen, Orientation o, int len, int clr0, int clr1, int clr2, int clr3) -{ - orientation = o; - hold_cnt = hold; - hold_state = 0; - current_peak = 0; - current_level = 0; - last_peak_rect.width = 0; - last_peak_rect.height = 0; - _clr0 = clr0; - _clr1 = clr1; - _clr2 = clr2; - _clr3 = clr3; - - set_events (BUTTON_PRESS_MASK|BUTTON_RELEASE_MASK); - - pixrect.x = 0; - pixrect.y = 0; - - if (orientation == Vertical) { - if (!len) - len = 250; - pixbuf = request_vertical_meter(dimen, len); - } else { - if (!len) - len = 186; - pixbuf = request_horizontal_meter(len, dimen); - } - - pixheight = pixbuf->get_height(); - pixwidth = pixbuf->get_width(); - - if (orientation == Vertical) { - pixrect.width = min (pixwidth, (gint) dimen); - pixrect.height = pixheight; - } else { - pixrect.width = pixwidth; - pixrect.height = min (pixheight, (gint) dimen); - } - - request_width = pixrect.width; - request_height= pixrect.height; -} - -Glib::RefPtr<Gdk::Pixbuf> FastMeter::request_vertical_meter(int width, int height) -{ - if (height < min_v_pixbuf_size) - height = min_v_pixbuf_size; - if (height > max_v_pixbuf_size) - height = max_v_pixbuf_size; - - //int index = height - 1; - - //if (v_pixbuf_cache == 0) { - // v_pixbuf_cache = (Glib::RefPtr<Gdk::Pixbuf>*) malloc(sizeof(Glib::RefPtr<Gdk::Pixbuf>) * max_v_pixbuf_size); - // memset(v_pixbuf_cache,0,sizeof(Glib::RefPtr<Gdk::Pixbuf>) * max_v_pixbuf_size); - //} - Glib::RefPtr<Gdk::Pixbuf> ret;// = v_pixbuf_cache[index]; - //if (ret) - // return ret; - - guint8* data; - - data = (guint8*) malloc(width*height * 3); - - guint8 r,g,b,r0,g0,b0,r1,g1,b1,r2,g2,b2,r3,g3,b3,a; - - UINT_TO_RGBA (_clr0, &r0, &g0, &b0, &a); - UINT_TO_RGBA (_clr1, &r1, &g1, &b1, &a); - UINT_TO_RGBA (_clr2, &r2, &g2, &b2, &a); - UINT_TO_RGBA (_clr3, &r3, &g3, &b3, &a); - // fake log calculation copied from log_meter.h - // actual calculation: - // log_meter(0.0f) = - // def = (0.0f + 20.0f) * 2.5f + 50f - // return def / 115.0f - int knee = (int)floor((float)height * 100.0f / 115.0f); - int y; - - for (y = 0; y < knee/2; y++) { - - r = (guint8)floor((float)abs(r1 - r0) * (float)y / (float)(knee/2)); - (r0 >= r1) ? r = r0 - r : r += r0; - - g = (guint8)floor((float)abs(g1 - g0) * (float)y / (float)(knee/2)); - (g0 >= g1) ? g = g0 - g : g += g0; - - b = (guint8)floor((float)abs(b1 - b0) * (float)y / (float)(knee/2)); - (b0 >= b1) ? b = b0 - b : b += b0; - - for (int x = 0; x < width; x++) { - data[ (x+(height-y-1)*width) * 3 + 0 ] = r; - data[ (x+(height-y-1)*width) * 3 + 1 ] = g; - data[ (x+(height-y-1)*width) * 3 + 2 ] = b; - } - } - - int offset = knee - y; - for (int i=0; i < offset; i++,y++) { - - r = (guint8)floor((float)abs(r2 - r1) * (float)i / (float)offset); - (r1 >= r2) ? r = r1 - r : r += r1; - - g = (guint8)floor((float)abs(g2 - g1) * (float)i / (float)offset); - (g1 >= g2) ? g = g1 - g : g += g1; - - b = (guint8)floor((float)abs(b2 - b1) * (float)i / (float)offset); - (b1 >= b2) ? b = b1 - b : b += b1; - - for (int x = 0; x < width; x++) { - data[ (x+(height-y-1)*width) * 3 + 0 ] = r; - data[ (x+(height-y-1)*width) * 3 + 1 ] = g; - data[ (x+(height-y-1)*width) * 3 + 2 ] = b; - } - } - y--; - for (; y < height; y++) { - for (int x = 0; x < width; x++) { - data[ (x+(height-y-1)*width) * 3 + 0 ] = r3; - data[ (x+(height-y-1)*width) * 3 + 1 ] = g3; - data[ (x+(height-y-1)*width) * 3 + 2 ] = b3; - } - } - - ret = Pixbuf::create_from_data(data, COLORSPACE_RGB, false, 8, width, height, width * 3); - //v_pixbuf_cache[index] = ret; - - return ret; -} - -Glib::RefPtr<Gdk::Pixbuf> FastMeter::request_horizontal_meter(int width, int height) -{ - if (width < min_h_pixbuf_size) - width = min_h_pixbuf_size; - if (width > max_h_pixbuf_size) - width = max_h_pixbuf_size; - - int index = width - 1; - - if (h_pixbuf_cache == 0) { - h_pixbuf_cache = (Glib::RefPtr<Gdk::Pixbuf>*) malloc(sizeof(Glib::RefPtr<Gdk::Pixbuf>) * max_h_pixbuf_size); - memset(h_pixbuf_cache,0,sizeof(Glib::RefPtr<Gdk::Pixbuf>) * max_h_pixbuf_size); - } - Glib::RefPtr<Gdk::Pixbuf> ret = h_pixbuf_cache[index]; - if (ret) - return ret; - - guint8* data; - - data = (guint8*) malloc(width*height * 3); - - guint8 r,g,b; - r=0; - g=255; - b=0; - - // fake log calculation copied from log_meter.h - // actual calculation: - // log_meter(0.0f) = - // def = (0.0f + 20.0f) * 2.5f + 50f - // return def / 115.0f - int knee = (int)floor((float)width * 100.0f / 115.0f); - - int x; - - for (x = 0; x < knee / 2; x++) { - - r = (guint8)floor(255.0 * (float)x/(float)(knee / 2)); - - for (int y = 0; y < height; y++) { - data[ (x+(height-y-1)*width) * 3 + 0 ] = r; - data[ (x+(height-y-1)*width) * 3 + 1 ] = g; - data[ (x+(height-y-1)*width) * 3 + 2 ] = b; - } - } - - for (; x < knee; x++) { - - g = 255 - (guint8)floor(170.0 * (float)(x - knee/ 2)/(float)(knee / 2)); - - for (int y = 0; y < height; y++) { - data[ (x+(height-y-1)*width) * 3 + 0 ] = r; - data[ (x+(height-y-1)*width) * 3 + 1 ] = g; - data[ (x+(height-y-1)*width) * 3 + 2 ] = b; - } - } - - r=255; - g=0; - b=0; - for (; x < width; x++) { - for (int y = 0; y < height; y++) { - data[ (x+(height-y-1)*width) * 3 + 0 ] = r; - data[ (x+(height-y-1)*width) * 3 + 1 ] = g; - data[ (x+(height-y-1)*width) * 3 + 2 ] = b; - } - } - - ret = Pixbuf::create_from_data(data, COLORSPACE_RGB, false, 8, width, height, width * 3); - h_pixbuf_cache[index] = ret; - - return ret; -} - -FastMeter::~FastMeter () -{ -} - -void -FastMeter::set_hold_count (long val) -{ - if (val < 1) { - val = 1; - } - - hold_cnt = val; - hold_state = 0; - current_peak = 0; - - queue_draw (); -} - -void -FastMeter::on_size_request (GtkRequisition* req) -{ - if (orientation == Vertical) { - - req->height = request_height; - req->height = max(req->height, min_v_pixbuf_size); - req->height = min(req->height, max_v_pixbuf_size); - - req->width = request_width; - - } else { - - req->width = request_width; - req->width = max(req->width, min_h_pixbuf_size); - req->width = min(req->width, max_h_pixbuf_size); - - req->height = request_height; - } - -} - -void -FastMeter::on_size_allocate (Gtk::Allocation &alloc) -{ - if (orientation == Vertical) { - - if (alloc.get_width() != request_width) { - alloc.set_width (request_width); - } - - int h = alloc.get_height(); - h = max(h, min_v_pixbuf_size); - h = min(h, max_v_pixbuf_size); - - if ( h != alloc.get_height()) - alloc.set_height(h); - - if (pixheight != h) { - pixbuf = request_vertical_meter(request_width, h); - } - - } else { - - if (alloc.get_height() != request_height) { - alloc.set_height(request_height); - } - - int w = alloc.get_width(); - w = max(w, min_h_pixbuf_size); - w = min(w, max_h_pixbuf_size); - - if ( w != alloc.get_width()) - alloc.set_width(w); - - if (pixwidth != w) { - pixbuf = request_horizontal_meter(w, request_height); - } - } - - pixheight = pixbuf->get_height(); - pixwidth = pixbuf->get_width(); - - DrawingArea::on_size_allocate(alloc); -} - -bool -FastMeter::on_expose_event (GdkEventExpose* ev) -{ - if (orientation == Vertical) { - return vertical_expose (ev); - } else { - return horizontal_expose (ev); - } -} - -bool -FastMeter::vertical_expose (GdkEventExpose* ev) -{ - gint top_of_meter; - GdkRectangle intersection; - GdkRectangle background; - - top_of_meter = (gint) floor (pixheight * current_level); - - /* reset the height & origin of the rect that needs to show the pixbuf - */ - - pixrect.height = top_of_meter; - pixrect.y = pixheight - top_of_meter; - - background.x = 0; - background.y = 0; - background.width = pixrect.width; - background.height = pixheight - top_of_meter; - - if (gdk_rectangle_intersect (&background, &ev->area, &intersection)) { - get_window()->draw_rectangle (get_style()->get_black_gc(), true, - intersection.x, intersection.y, - intersection.width, intersection.height); - } - - if (gdk_rectangle_intersect (&pixrect, &ev->area, &intersection)) { - // draw the part of the meter image that we need. the area we draw is bounded "in reverse" (top->bottom) - get_window()->draw_pixbuf(get_style()->get_fg_gc(get_state()), pixbuf, - intersection.x, intersection.y, - intersection.x, intersection.y, - intersection.width, intersection.height, - Gdk::RGB_DITHER_NONE, 0, 0); - } - - // draw peak bar - - if (hold_state) { - last_peak_rect.x = 0; - last_peak_rect.width = pixwidth; - last_peak_rect.y = pixheight - (gint) floor (pixheight * current_peak); - last_peak_rect.height = min(3, pixheight - last_peak_rect.y); - - get_window()->draw_pixbuf (get_style()->get_fg_gc(get_state()), pixbuf, - 0, last_peak_rect.y, - 0, last_peak_rect.y, - pixwidth, last_peak_rect.height, - Gdk::RGB_DITHER_NONE, 0, 0); - } else { - last_peak_rect.width = 0; - last_peak_rect.height = 0; - } - - return TRUE; -} - -bool -FastMeter::horizontal_expose (GdkEventExpose* ev) -{ - gint right_of_meter; - GdkRectangle intersection; - GdkRectangle background; - - right_of_meter = (gint) floor (pixwidth * current_level); - pixrect.width = right_of_meter; - - background.x = 0; - background.y = 0; - background.width = pixwidth - right_of_meter; - background.height = pixrect.height; - - if (gdk_rectangle_intersect (&background, &ev->area, &intersection)) { - get_window()->draw_rectangle (get_style()->get_black_gc(), true, - intersection.x + right_of_meter, intersection.y, - intersection.width, intersection.height); - } - - if (gdk_rectangle_intersect (&pixrect, &ev->area, &intersection)) { - // draw the part of the meter image that we need. the area we draw is bounded "in reverse" (top->bottom) - get_window()->draw_pixbuf(get_style()->get_fg_gc(get_state()), pixbuf, - intersection.x, intersection.y, - intersection.x, intersection.y, - pixrect.width, intersection.height, - Gdk::RGB_DITHER_NONE, 0, 0); - } - - // draw peak bar - // XXX: peaks don't work properly - /* - if (hold_state && intersection.height > 0) { - gint x = (gint) floor(pixwidth * current_peak); - - get_window()->draw_pixbuf (get_style()->get_fg_gc(get_state()), pixbuf, - x, intersection.y, - x, intersection.y, - 3, intersection.height, - Gdk::RGB_DITHER_NONE, 0, 0); - } - */ - - return true; -} - -void -FastMeter::set (float lvl) -{ - float old_level = current_level; - float old_peak = current_peak; - - current_level = lvl; - - if (lvl > current_peak) { - current_peak = lvl; - hold_state = hold_cnt; - } - - if (hold_state > 0) { - if (--hold_state == 0) { - current_peak = lvl; - } - } - - if (current_level == old_level && current_peak == old_peak && hold_state == 0) { - return; - } - - - Glib::RefPtr<Gdk::Window> win; - - if ((win = get_window()) == 0) { - queue_draw (); - return; - } - - if (orientation == Vertical) { - queue_vertical_redraw (win, old_level); - } else { - queue_horizontal_redraw (win, old_level); - } -} - -void -FastMeter::queue_vertical_redraw (const Glib::RefPtr<Gdk::Window>& win, float old_level) -{ - GdkRectangle rect; - - gint new_top = (gint) floor (pixheight * current_level); - - rect.x = 0; - rect.width = pixwidth; - rect.height = new_top; - rect.y = pixheight - new_top; - - if (current_level > old_level) { - /* colored/pixbuf got larger, just draw the new section */ - /* rect.y stays where it is because of X coordinates */ - /* height of invalidated area is between new.y (smaller) and old.y - (larger). - X coordinates just make my brain hurt. - */ - rect.height = pixrect.y - rect.y; - } else { - /* it got smaller, compute the difference */ - /* rect.y becomes old.y (the smaller value) */ - rect.y = pixrect.y; - /* rect.height is the old.y (smaller) minus the new.y (larger) - */ - rect.height = pixrect.height - rect.height; - } - - GdkRegion* region = 0; - bool queue = false; - - if (rect.height != 0) { - - /* ok, first region to draw ... */ - - region = gdk_region_rectangle (&rect); - queue = true; - } - - /* redraw the last place where the last peak hold bar was; - the next expose will draw the new one whether its part of - expose region or not. - */ - - if (last_peak_rect.width * last_peak_rect.height != 0) { - if (!queue) { - region = gdk_region_new (); - queue = true; - } - gdk_region_union_with_rect (region, &last_peak_rect); - } - - if (queue) { - gdk_window_invalidate_region (win->gobj(), region, true); - } - if (region) { - gdk_region_destroy(region); - region = 0; - } -} - -void -FastMeter::queue_horizontal_redraw (const Glib::RefPtr<Gdk::Window>& win, float old_level) -{ - /* XXX OPTIMIZE (when we have some horizontal meters) */ - queue_draw (); -} - -void -FastMeter::clear () -{ - current_level = 0; - current_peak = 0; - hold_state = 0; - queue_draw (); -} |