--- /dev/null
+
+/*
+ * CINELERRA
+ * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include "bcbutton.h"
+#include "bcmeter.h"
+#include "bcpixmap.h"
+#include "bcresources.h"
+#include "bcwindow.h"
+#include "colors.h"
+#include "fonts.h"
+#include "vframe.h"
+#include <string.h>
+
+// Which source image to replicate
+#define METER_NORMAL 0
+#define METER_GREEN 1
+#define METER_RED 2
+#define METER_YELLOW 3
+#define METER_WHITE 4
+#define METER_OVER 5
+#define METER_DOWNMIX 6
+
+// Region of source image to replicate
+#define METER_LEFT 0
+#define METER_MID 1
+#define METER_RIGHT 3
+
+
+BC_Meter::BC_Meter(int x,
+ int y,
+ int orientation,
+ int pixels,
+ int min,
+ int max,
+ int mode,
+ int use_titles,
+ int span,
+ int downmix)
+ : BC_SubWindow(x, y, -1, -1)
+{
+ this->over_delay = 150;
+ this->peak_delay = 15;
+ this->use_titles = use_titles;
+ this->min = min;
+ this->max = max;
+ this->mode = mode;
+ this->orientation = orientation;
+ this->pixels = pixels;
+ this->span = span;
+ this->downmix = downmix;
+
+//printf("BC_Meter::draw_face %d w=%d pixels=%d\n", __LINE__, w, pixels);
+ for(int i = 0; i < TOTAL_METER_IMAGES; i++) images[i] = 0;
+ db_titles.set_array_delete();
+}
+
+BC_Meter::~BC_Meter()
+{
+ db_titles.remove_all_objects();
+ title_pixels.remove_all();
+ tick_pixels.remove_all();
+ for(int i = 0; i < TOTAL_METER_IMAGES; i++) delete images[i];
+}
+
+int BC_Meter::get_title_w()
+{
+ return get_resources()->meter_title_w;
+}
+
+int BC_Meter::get_meter_w()
+{
+ return get_resources()->ymeter_images[0]->get_w();
+}
+
+
+int BC_Meter::set_delays(int over_delay, int peak_delay)
+{
+ this->over_delay = over_delay;
+ this->peak_delay = peak_delay;
+ return 0;
+}
+
+int BC_Meter::initialize()
+{
+ peak_timer = 0;
+ level_pixel = peak_pixel = 0;
+ over_timer = 0;
+ over_count = 0;
+ peak = level = -100;
+
+ if(orientation == METER_VERT)
+ {
+ set_images(get_resources()->ymeter_images);
+ h = pixels;
+ if(span < 0)
+ {
+ w = images[0]->get_w();
+ if(use_titles) w += get_title_w();
+ }
+ else
+ w = span;
+ }
+ else
+ {
+ set_images(get_resources()->xmeter_images);
+ h = images[0]->get_h();
+ w = pixels;
+ if(use_titles) h += get_title_w();
+ }
+
+// calibrate the db titles
+ get_divisions();
+
+ BC_SubWindow::initialize();
+ draw_titles(0);
+ draw_face(0);
+ show_window(0);
+ return 0;
+}
+
+void BC_Meter::set_images(VFrame **data)
+{
+ for(int i = 0; i < TOTAL_METER_IMAGES; i++) delete images[i];
+ for(int i = 0; i < TOTAL_METER_IMAGES; i++)
+ images[i] = new BC_Pixmap(parent_window, data[i], PIXMAP_ALPHA);
+}
+
+int BC_Meter::reposition_window(int x, int y, int span, int pixels)
+{
+ if(pixels < 0) pixels = this->pixels;
+ this->span = span;
+ this->pixels = pixels;
+ if(orientation == METER_VERT)
+ BC_SubWindow::reposition_window(x,
+ y,
+ this->span < 0 ? w : span,
+ pixels);
+ else
+ BC_SubWindow::reposition_window(x, y, pixels, get_h());
+
+//printf("BC_Meter::reposition_window 1 %d %d %d %d\n", x, y, w, h);
+ get_divisions();
+
+//set_color(WHITE);
+//draw_box(0, 0, w, h);
+//flash();
+//return 0;
+ draw_titles(0);
+ draw_face(0);
+ return 0;
+}
+
+int BC_Meter::reset(int dmix)
+{
+ level = min;
+ peak = min;
+ level_pixel = peak_pixel = 0;
+ peak_timer = 0;
+ over_timer = 0;
+ over_count = 0;
+ if(dmix >= 0) downmix = dmix;
+ draw_face(1);
+ return 0;
+}
+
+int BC_Meter::button_press_event()
+{
+ if(cursor_inside() && is_event_win())
+ {
+ reset_over();
+ return 1;
+ }
+ return 0;
+}
+
+
+int BC_Meter::reset_over()
+{
+ over_timer = 0;
+ return 0;
+}
+
+int BC_Meter::change_format(int mode, int min, int max)
+{
+ this->mode = mode;
+ this->min = min;
+ this->max = max;
+ reposition_window(get_x(), get_y(), w, pixels);
+ return 0;
+}
+
+int BC_Meter::level_to_pixel(float level)
+{
+ int result;
+ if(mode == METER_DB)
+ {
+ result = (int)(pixels *
+ (level - min) /
+ (max - min));
+ if(level <= min) result = 0;
+ }
+ else
+ {
+// Not implemented anymore
+ result = 0;
+ }
+
+ return result;
+}
+
+
+void BC_Meter::get_divisions()
+{
+ char string[BCTEXTLEN];
+ char *new_string;
+
+
+ db_titles.remove_all_objects();
+ title_pixels.remove_all();
+ tick_pixels.remove_all();
+
+ low_division = 0;
+ medium_division = 0;
+ high_division = pixels;
+
+ int current_pixel;
+// Create tick marks and titles in one pass
+ for(int current = min; current <= max; current++)
+ {
+ if(orientation == METER_VERT)
+ {
+// Create tick mark
+ current_pixel = (pixels - METER_MARGIN * 2 - 2) *
+ (current - min) /
+ (max - min) + 2;
+ tick_pixels.append(current_pixel);
+
+// Create titles in selected positions
+ if(current == min ||
+ current == max ||
+ current == 0 ||
+ (current - min > 4 && max - current > 4 && !(current % 5)))
+ {
+ int title_pixel = (pixels -
+ METER_MARGIN * 2) *
+ (current - min) /
+ (max - min);
+ sprintf(string, "%ld", labs(current));
+ new_string = new char[strlen(string) + 1];
+ strcpy(new_string, string);
+ db_titles.append(new_string);
+ title_pixels.append(title_pixel);
+ }
+ }
+ else
+ {
+ current_pixel = (pixels - METER_MARGIN * 2) *
+ (current - min) /
+ (max - min);
+ tick_pixels.append(current_pixel);
+// Titles not supported for horizontal
+ }
+
+// Create color divisions
+ if(current == -20)
+ {
+ low_division = current_pixel;
+ }
+ else
+ if(current == -5)
+ {
+ medium_division = current_pixel;
+ }
+ else
+ if(current == 0)
+ {
+ high_division = current_pixel;
+ }
+ }
+// if(orientation == METER_VERT)
+// printf("BC_Meter::get_divisions %d %d %d %d\n",
+// low_division, medium_division, high_division, pixels);
+}
+
+void BC_Meter::draw_titles(int flush)
+{
+ if(!use_titles) return;
+
+ set_font(get_resources()->meter_font);
+
+ if(orientation == METER_HORIZ)
+ {
+ draw_top_background(parent_window, 0, 0, get_w(), get_title_w());
+
+ for(int i = 0; i < db_titles.total; i++)
+ {
+ draw_text(0, title_pixels.values[i], db_titles.values[i]);
+ }
+
+ flash(0, 0, get_w(), get_title_w(), flush);
+ }
+ else
+ if(orientation == METER_VERT)
+ {
+ draw_top_background(parent_window, 0, 0, get_title_w(), get_h());
+
+// Titles
+ for(int i = 0; i < db_titles.total; i++)
+ {
+ int title_y = pixels -
+ title_pixels.values[i];
+ if(i == 0)
+ title_y -= get_text_descent(SMALLFONT_3D);
+ else
+ if(i == db_titles.total - 1)
+ title_y += get_text_ascent(SMALLFONT_3D);
+ else
+ title_y += get_text_ascent(SMALLFONT_3D) / 2;
+
+ set_color(get_resources()->meter_font_color);
+ draw_text(0,
+ title_y,
+ db_titles.values[i]);
+ }
+
+ for(int i = 0; i < tick_pixels.total; i++)
+ {
+// Tick marks
+ int tick_y = pixels - tick_pixels.values[i] - METER_MARGIN;
+ set_color(get_resources()->meter_font_color);
+ draw_line(get_title_w() - 10 - 1, tick_y, get_title_w() - 1, tick_y);
+ if(get_resources()->meter_3d)
+ {
+ set_color(BLACK);
+ draw_line(get_title_w() - 10, tick_y + 1, get_title_w(), tick_y + 1);
+ }
+ }
+
+ flash(0, 0, get_title_w(), get_h(), flush);
+ }
+}
+
+int BC_Meter::region_pixel(int region)
+{
+ VFrame **reference_images = get_resources()->xmeter_images;
+ int result;
+
+ if(region == METER_RIGHT)
+ result = region * reference_images[0]->get_w() / 4;
+ else
+ result = region * reference_images[0]->get_w() / 4;
+
+ return result;
+}
+
+int BC_Meter::region_pixels(int region)
+{
+ int x1;
+ int x2;
+ int result;
+ VFrame **reference_images = get_resources()->xmeter_images;
+
+ x1 = region * reference_images[0]->get_w() / 4;
+ x2 = (region + 1) * reference_images[0]->get_w() / 4;
+ if(region == METER_MID)
+ result = (x2 - x1) * 2;
+ else
+ result = x2 - x1;
+ return result;
+}
+
+void BC_Meter::draw_face(int flush)
+{
+ int level_pixel = level_to_pixel(level);
+ int peak_pixel2 = level_to_pixel(peak);
+ int peak_pixel1 = peak_pixel2 - 2;
+ int left_pixel = region_pixel(METER_MID);
+ int right_pixel = pixels - region_pixels(METER_RIGHT);
+ int pixel = 0;
+ int image_number = 0, region = 0;
+ int in_span, in_start;
+ int x = use_titles ? get_title_w() : 0;
+ int w = use_titles ? (this->w - get_title_w()) : this->w;
+
+ draw_top_background(parent_window, x, 0, w, h);
+
+// printf("BC_Meter::draw_face %d span=%d this->w=%d get_title_w()=%d %d %d\n",
+// __LINE__,
+// span,
+// this->w,
+// get_title_w(),
+// w,
+// h);
+
+ while(pixel < pixels)
+ {
+// Select image to draw
+ if(pixel < level_pixel ||
+ (pixel >= peak_pixel1 && pixel < peak_pixel2))
+ {
+ if(pixel < low_division)
+ image_number = METER_GREEN;
+ else
+ if(pixel < medium_division)
+ image_number = METER_YELLOW;
+ else
+ if(pixel < high_division)
+ image_number = METER_RED;
+ else
+ image_number = METER_WHITE;
+ }
+ else
+ {
+ image_number = METER_NORMAL;
+ }
+
+// Select region of image to duplicate
+ if(pixel < left_pixel)
+ {
+ region = METER_LEFT;
+ in_start = pixel + region_pixel(region);
+ in_span = region_pixels(region) - (in_start - region_pixel(region));
+ }
+ else
+ if(pixel < right_pixel)
+ {
+ region = METER_MID;
+ in_start = region_pixel(region);
+ in_span = region_pixels(region);
+ }
+ else
+ {
+ region = METER_RIGHT;
+ in_start = (pixel - right_pixel) + region_pixel(region);
+ in_span = region_pixels(region) - (in_start - region_pixel(region));;
+ }
+
+//printf("BC_Meter::draw_face region %d pixel %d pixels %d in_start %d in_span %d\n", region, pixel, pixels, in_start, in_span);
+ if(in_span > 0)
+ {
+// Clip length to peaks
+ if(pixel < level_pixel && pixel + in_span > level_pixel)
+ in_span = level_pixel - pixel;
+ else
+ if(pixel < peak_pixel1 && pixel + in_span > peak_pixel1)
+ in_span = peak_pixel1 - pixel;
+ else
+ if(pixel < peak_pixel2 && pixel + in_span > peak_pixel2)
+ in_span = peak_pixel2 - pixel;
+
+// Clip length to color changes
+ if(image_number == METER_GREEN && pixel + in_span > low_division)
+ in_span = low_division - pixel;
+ else
+ if(image_number == METER_YELLOW && pixel + in_span > medium_division)
+ in_span = medium_division - pixel;
+ else
+ if(image_number == METER_RED && pixel + in_span > high_division)
+ in_span = high_division - pixel;
+
+// Clip length to regions
+ if(pixel < left_pixel && pixel + in_span > left_pixel)
+ in_span = left_pixel - pixel;
+ else
+ if(pixel < right_pixel && pixel + in_span > right_pixel)
+ in_span = right_pixel - pixel;
+
+//printf("BC_Meter::draw_face image_number %d pixel %d pixels %d in_start %d in_span %d\n", image_number, pixel, pixels, in_start, in_span);
+//printf("BC_Meter::draw_face %d %d %d %d\n", orientation, region, images[image_number]->get_h() - in_start - in_span);
+ if(orientation == METER_HORIZ)
+ {
+ draw_pixmap(images[image_number],
+ pixel,
+ x,
+ in_span + 1,
+ get_h(),
+ in_start,
+ 0);
+ }
+ else
+ {
+//printf("BC_Meter::draw_face %d %d\n", __LINE__, span);
+ if(span < 0)
+ {
+ draw_pixmap(images[image_number],
+ x,
+ get_h() - pixel - in_span,
+ get_w(),
+ in_span + 1,
+ 0,
+ images[image_number]->get_h() - in_start - in_span);
+ }
+ else
+ {
+ int total_w = get_w() - x;
+ int third = images[image_number]->get_w() / 3 + 1;
+
+
+ for(int x1 = 0; x1 < total_w; x1 += third)
+ {
+ int in_x = 0;
+ int in_w = third;
+ if(x1 >= third) in_x = third;
+ if(x1 >= total_w - third)
+ {
+ in_x = images[image_number]->get_w() -
+ (total_w - x1);
+ in_w = total_w - x1;
+ }
+
+ int in_y = images[image_number]->get_h() - in_start - in_span;
+//printf("BC_Meter::draw_face %d %d %d\n", __LINE__, get_w(), x + x1 + in_w, in_x, in_y, in_w, span);
+
+
+ draw_pixmap(images[image_number],
+ x + x1,
+ get_h() - pixel - in_span,
+ in_w,
+ in_span + 1,
+ in_x,
+ in_y);
+ }
+ }
+ }
+
+ pixel += in_span;
+ }
+ else
+ {
+// Sanity check
+ break;
+ }
+ }
+
+ if(downmix) {
+ if(orientation == METER_HORIZ)
+ draw_pixmap(images[METER_DOWNMIX],
+ 0,
+ 0);
+ else
+ draw_pixmap(images[METER_DOWNMIX],
+ x,
+ get_h() - images[METER_DOWNMIX]->get_h()-1);
+ }
+
+ if(over_timer)
+ {
+ if(orientation == METER_HORIZ)
+ draw_pixmap(images[METER_OVER],
+ 20,
+ 2);
+ else
+ draw_pixmap(images[METER_OVER],
+ x,
+ get_h() - 100);
+
+ over_timer--;
+ }
+
+ if(orientation == METER_HORIZ)
+ flash(0, 0, pixels, get_h(), flush);
+ else
+ flash(x, 0, w, pixels, flush);
+}
+
+int BC_Meter::update(float new_value, int over, int dmix)
+{
+ peak_timer++;
+
+ if(mode == METER_DB)
+ {
+ if(new_value == 0)
+ level = min;
+ else
+ level = db.todb(new_value); // db value
+ }
+
+ if(level > peak || peak_timer > peak_delay)
+ {
+ peak = level;
+ peak_timer = 0;
+ }
+
+// if(orientation == METER_HORIZ)
+// printf("BC_Meter::update %f\n", level);
+ if(over) over_timer = over_delay;
+// only draw if window is visible
+ if(dmix >= 0) downmix = dmix;
+
+ draw_face(1);
+ return 0;
+}
projects / goodguy / history.git / blobdiff