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authorDoug McLain <doug@nostar.net>2008-06-02 05:02:28 +0000
committerDoug McLain <doug@nostar.net>2008-06-02 05:02:28 +0000
commit9c0d7d72d70082a54f823cd44c0ccda5da64bb6f (patch)
tree96ec400b83b8c1c06852b1936f684b5fbcd47a79 /libs/gtkmm2ext/fastmeter.cc
parent2f3f697bb8e185eb43c2c50b4eefc2bcb937f269 (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.cc567
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 ();
-}