#include <iostream>
#include <cmath>
+#include <cstdlib>
+#include <algorithm>
#include <unistd.h>
#include <stdio.h> /* for snprintf, grrr */
Type t,
const char *widget_name,
Adjustment *adj,
- bool with_numeric_display, int subw, int subh)
+ bool with_numeric_display,
+ int subw,
+ int subh)
: type (t)
, value_packer (0)
, value (0)
}
void
-MotionFeedback::core_draw (cairo_t* cr, int phase, double radius, double x, double y)
+MotionFeedback::core_draw (cairo_t* cr, int phase, double size, double progress_width, double xorigin, double yorigin,
+ const GdkColor* bright, const GdkColor* dark)
{
- double width;
- double height;
double xc;
double yc;
double start_angle;
double start_angle_y;
double end_angle_x;
double end_angle_y;
- double progress_width;
double progress_radius;
double progress_radius_inner;
double progress_radius_outer;
cairo_pattern_t* progress_shine;
double degrees;
cairo_pattern_t* knob_ripples;
+ double pxs;
+ double pys;
g_return_if_fail (cr != NULL);
+
+ progress_radius = 40.0;
+ progress_radius_inner = progress_radius - (progress_width / 2.0);
+ progress_radius_outer = progress_radius + (progress_width / 2.0);
+ knob_disc_radius = progress_radius_inner - 5.0;
- cairo_set_source_rgba (cr, 0.75, 0.75, 0.75, (double) 0);
- cairo_rectangle (cr, (double) 0, (double) 0, subwidth, subheight);
- cairo_fill (cr);
+ const double pad = 2.0; /* line width for boundary of progress ring */
+ const double actual_width = ((2.0 * pad) + (2.0 * progress_radius_outer));
+ const double scale_factor = size / actual_width;
+
+ /* knob center is at middle of the area bounded by (xorigin,yorigin) and (xorigin+size, yorigin+size)
+ but the coordinates will be scaled by the scale factor when cairo uses them so first
+ adjust them by the reciprocal of the scale factor.
+ */
+
+ xc = (xorigin + (size / 2.0)) * (1.0/scale_factor);
+ yc = (yorigin + (size / 2.0)) * (1.0/scale_factor);
+
+ pxs = xorigin * (1.0/scale_factor);
+ pys = yorigin * (1.0/scale_factor);
- width = 105.0;
- height = 105.0;
- xc = width / 2.0;
- yc = height / 2.0;
start_angle = 0.0;
end_angle = 0.0;
value_angle = 0.0;
start_angle_y = sin (start_angle);
end_angle_x = cos (end_angle);
end_angle_y = sin (end_angle);
- cairo_save (cr);
- //cairo_translate (cr, x, (double) 0);
- cairo_scale (cr, (2.0 * radius) / width, (2.0 * radius) / height);
- //cairo_translate (cr, -xc, (double) 0);
- pattern = prolooks_create_gradient_str ((double) 32, (double) 16, (double) 75, (double) 16, "#d4c8b9", "#ae977b", 1.0, 1.0);
+ cairo_scale (cr, scale_factor, scale_factor);
+
+ pattern = prolooks_create_gradient_str (pxs + 32.0, pys + 16.0, pxs + 75.0, pys + 16.0, "#d4c8b9", "#ae977b", 1.0, 1.0);
cairo_set_source (cr, pattern);
cairo_pattern_destroy (pattern);
cairo_set_line_width (cr, 2.0);
cairo_arc (cr, xc, yc, 31.5, 0.0, 2 * G_PI);
cairo_stroke (cr);
- progress_width = 10.0;
- progress_radius = 40.0;
- progress_radius_inner = progress_radius - (progress_width / 2.0);
- progress_radius_outer = progress_radius + (progress_width / 2.0);
- knob_disc_radius = progress_radius_inner - 5.0;
-
- pattern = prolooks_create_gradient_str ((double) 20, (double) 20, (double) 89, (double) 87, "#2f2f4c", "#090a0d", 1.0, 1.0);
+ pattern = prolooks_create_gradient_str (pxs + 20.0, pys + 20.0, pxs + 89.0, pys + 87.0, "#2f2f4c", "#090a0d", 1.0, 1.0);
cairo_set_source (cr, pattern);
cairo_pattern_destroy (pattern);
cairo_set_line_width (cr, progress_width);
cairo_arc (cr, xc, yc, progress_radius, start_angle, end_angle);
cairo_stroke (cr);
- pattern = prolooks_create_gradient ((double) 20, (double) 20, (double) 89, (double) 87, &lamp_bright, &lamp_dark, 1.0, 1.0);
+ pattern = prolooks_create_gradient (pxs + 20.0, pys + 20.0, pxs + 89.0, pys + 87.0, bright, dark, 1.0, 1.0);
cairo_set_source (cr, pattern);
cairo_pattern_destroy (pattern);
cairo_set_line_width (cr, progress_width);
cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND);
progress_rim_width = 2.0;
cairo_set_line_width (cr, progress_rim_width);
- pattern = prolooks_create_gradient_str ((double) 18, (double) 79, (double) 35, (double) 79, "#dfd5c9", "#dfd5c9", 1.0, 0.0);
+ pattern = prolooks_create_gradient_str (pxs + 18.0, pys + 79.0, pxs + 35.0, pys + 79.0, "#dfd5c9", "#dfd5c9", 1.0, 0.0);
cairo_set_source (cr, pattern);
cairo_pattern_destroy (pattern);
cairo_move_to (cr, xc + (progress_radius_outer * start_angle_x), yc + (progress_radius_outer * start_angle_y));
cairo_line_to (cr, xc + (progress_radius_inner * end_angle_x), yc + (progress_radius_inner * end_angle_y));
cairo_stroke (cr);
- // pattern = prolooks_create_gradient_str ((double) 95, (double) 6, (double) 5, (double) 44, "#dfd5c9", "#b0a090", 1.0, 1.0);
- pattern = prolooks_create_gradient_str ((double) 95, (double) 6, (double) 5, (double) 44, "#000000", "#000000", 1.0, 1.0);
+ // pattern = prolooks_create_gradient_str (95.0, 6.0, 5.0, 44.0, "#dfd5c9", "#b0a090", 1.0, 1.0);
+ pattern = prolooks_create_gradient_str (pxs + 95.0, pys + 6.0, pxs + 5.0, pys + 44.0, "#000000", "#000000", 1.0, 1.0);
cairo_set_source (cr, pattern);
cairo_pattern_destroy (pattern);
cairo_arc (cr, xc, yc, progress_radius_outer, start_angle, end_angle);
cairo_stroke (cr);
cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT);
- pattern = prolooks_create_gradient ((double) 20, (double) 20, (double) 89, (double) 87, &lamp_bright, &lamp_dark, 0.25, 0.25);
+ pattern = prolooks_create_gradient (pxs + 20.0, pys + 20.0, pxs + 89.0, pys + 87.0, bright, dark, 0.25, 0.25);
cairo_set_source (cr, pattern);
cairo_pattern_destroy (pattern);
cairo_set_line_width (cr, progress_width);
cairo_arc (cr, xc, yc, progress_radius, start_angle, value_angle + (G_PI / 180.0));
cairo_stroke (cr);
- progress_shine = prolooks_create_gradient_str ((double) 89, (double) 73, (double) 34, (double) 16, "#ffffff", "#ffffff", 0.3, 0.04);
+ progress_shine = prolooks_create_gradient_str (pxs + 89.0, pys + 73.0, pxs + 34.0, pys + 16.0, "#ffffff", "#ffffff", 0.3, 0.04);
cairo_pattern_add_color_stop_rgba (progress_shine, 0.5, 1.0, 1.0, 1.0, 0.0);
- if (subwidth > 50) {
+ if (size > 50) {
cairo_pattern_add_color_stop_rgba (progress_shine, 0.75, 1.0, 1.0, 1.0, 0.3);
} else {
cairo_pattern_add_color_stop_rgba (progress_shine, 0.75, 1.0, 1.0, 1.0, 0.2);
cairo_set_line_width (cr, 1.0);
cairo_set_source_rgb (cr, 0.0, 0.0, 0.0);
- cairo_arc (cr, xc, yc, progress_radius_inner, (double) 0, 2 * G_PI);
- pattern = prolooks_create_gradient_str ((double) 35, (double) 31, (double) 75, (double) 72, "#68625c", "#44494b", 1.0, 1.0);
+ cairo_arc (cr, xc, yc, progress_radius_inner, 0.0, 2 * G_PI);
+ pattern = prolooks_create_gradient_str (pxs + 35.0, pys + 31.0, pxs + 75.0, pys + 72.0, "#68625c", "#44494b", 1.0, 1.0);
cairo_set_source (cr, pattern);
cairo_pattern_destroy (pattern);
cairo_fill (cr);
- cairo_set_source_rgb (cr, (double) 0, (double) 0, (double) 0);
- cairo_arc (cr, xc, yc, progress_radius_inner, (double) 0, 2 * G_PI);
+ cairo_set_source_rgb (cr, 0.0, 0.0, 0.0);
+ cairo_arc (cr, xc, yc, progress_radius_inner, 0.0, 2 * G_PI);
cairo_stroke (cr);
- pattern = prolooks_create_gradient_str ((double) 42, (double) 34, (double) 68, (double) 70, "#e7ecef", "#9cafb8", 1.0, 1.0);
+ pattern = prolooks_create_gradient_str (pxs + 42.0, pys + 34.0, pxs + 68.0, pys + 70.0, "#e7ecef", "#9cafb8", 1.0, 1.0);
cairo_set_source (cr, pattern);
cairo_pattern_destroy (pattern);
- cairo_arc (cr, xc, yc, knob_disc_radius, (double) 0, 2 * G_PI);
+ cairo_arc (cr, xc, yc, knob_disc_radius, 0.0, 2 * G_PI);
cairo_fill (cr);
cairo_set_line_width (cr, 2.0);
degrees = G_PI / 180.0;
- pattern = prolooks_create_gradient_str ((double) 38, (double) 34, (double) 70, (double) 68, "#ffffff", "#caddf2", 0.2, 0.2);
- cairo_set_source (cr, pattern);
+ pattern = prolooks_create_gradient_str (pxs + 38.0, pys + 34.0, pxs + 70.0, pys + 68.0, "#ffffff", "#caddf2", 0.2, 0.2);
+ cairo_set_source (cr, pattern);
cairo_pattern_destroy (pattern);
cairo_move_to (cr, xc, yc);
cairo_arc (cr, xc, yc, knob_disc_radius - 1, (-154) * degrees, (-120) * degrees);
cairo_arc (cr, xc, yc, knob_disc_radius - 1, (G_PI / 2.0) - (60 * degrees), (G_PI / 2.0) - (29 * degrees));
cairo_fill (cr);
- pattern = prolooks_create_gradient_str ((double) 50, (double) 40, (double) 62, (double) 60, "#a1adb6", "#47535c", 0.07, 0.15);
+ pattern = prolooks_create_gradient_str (pxs + 50.0, pys + 40.0, pxs + 62.0, pys + 60.0, "#a1adb6", "#47535c", 0.07, 0.15);
cairo_set_source (cr, pattern);
cairo_pattern_destroy (pattern);
cairo_move_to (cr, xc, yc);
cairo_arc (cr, xc, yc, knob_disc_radius - 1, G_PI - (67 * degrees), G_PI - (27 * degrees));
cairo_fill (cr);
- knob_ripples = cairo_pattern_create_radial (xc, yc, (double) 0, xc, yc, (double) 4);
+ knob_ripples = cairo_pattern_create_radial (xc, yc, 0.0, xc, yc, 4.0);
prolooks_add_color_stop_str (knob_ripples, 0.0, "#e7ecef", 0.05);
prolooks_add_color_stop_str (knob_ripples, 0.5, "#58717d", 0.05);
prolooks_add_color_stop_str (knob_ripples, 0.75, "#d1d9de", 0.05);
cairo_pattern_set_extend (knob_ripples, CAIRO_EXTEND_REPEAT);
cairo_set_line_width (cr, 0.0);
cairo_set_source (cr, knob_ripples);
- cairo_arc (cr, xc, yc, knob_disc_radius, (double) 0, 2 * G_PI);
+ cairo_arc (cr, xc, yc, knob_disc_radius, 0.0, 2 * G_PI);
cairo_fill (cr);
cairo_save (cr);
cairo_translate (cr, xc + (knob_disc_radius * value_x), yc + (knob_disc_radius * value_y));
cairo_rotate (cr, value_angle - G_PI);
- cairo_set_source (cr, pattern = prolooks_create_gradient_str ((double) 16, (double) (-2), (double) 9, (double) 13, "#e7ecef", "#9cafb8", 0.8, 0.8));
+ pattern = prolooks_create_gradient_str (pxs + 16.0, pys + -2.0, pxs + 9.0, pys + 13.0, "#e7ecef", "#9cafb8", 0.8, 0.8);
+ cairo_set_source (cr, pattern);
cairo_pattern_destroy (pattern);
- cairo_move_to (cr, (double) 0, (double) 4);
- cairo_line_to (cr, (double) 17, (double) 4);
- cairo_curve_to (cr, (double) 19, (double) 4, (double) 21, (double) 2, (double) 21, (double) 0);
- cairo_curve_to (cr, (double) 21, (double) (-2), (double) 19, (double) (-4), (double) 17, (double) (-4));
- cairo_line_to (cr, (double) 0, (double) (-4));
+ cairo_move_to (cr, 0.0, 4.0);
+ cairo_line_to (cr, 17.0, 4.0);
+ cairo_curve_to (cr, 19.0, 4.0, 21.0, 2.0, 21.0, 0.0);
+ cairo_curve_to (cr, 21.0, -2.0, 19.0, -4.0, 17.0, -4.0);
+ cairo_line_to (cr, 0.0, -4.0);
cairo_close_path (cr);
cairo_fill (cr);
- pattern = prolooks_create_gradient_str ((double) 9, (double) (-2), (double) 9, (double) 2, "#68625c", "#44494b", 1.0, 1.0);
+ pattern = prolooks_create_gradient_str (pxs + 9.0, pys + -2.0, pxs + 9.0, pys + 2.0, "#68625c", "#44494b", 1.0, 1.0);
cairo_set_source (cr, pattern);
cairo_pattern_destroy (pattern);
- cairo_move_to (cr, (double) 0, (double) 2);
- cairo_line_to (cr, (double) 16, (double) 2);
- cairo_curve_to (cr, (double) 17, (double) 2, (double) 18, (double) 1, (double) 18, (double) 0);
- cairo_curve_to (cr, (double) 18, (double) (-1), (double) 17, (double) (-2), (double) 16, (double) (-2));
- cairo_line_to (cr, (double) 0, (double) (-2));
+ cairo_move_to (cr, 0.0, 2.0);
+ cairo_line_to (cr, 16.0, 2.0);
+ cairo_curve_to (cr, 17.0, 2.0, 18.0, 1.0, 18.0, 0.0);
+ cairo_curve_to (cr, 18.0, -1.0, 17.0, -2.0, 16.0, -2.0);
+ cairo_line_to (cr, 0.0, -2.0);
cairo_close_path (cr);
cairo_fill (cr);
cairo_restore (cr);
cairo_set_line_width (cr, 2.0);
- pattern = prolooks_create_gradient_str ((double) 38, (double) 32, (double) 70, (double) 67, "#3d3d3d", "#000000", 1.0, 1.0);
+ pattern = prolooks_create_gradient_str (pxs + 38.0, pys + 32.0, pxs + 70.0, pys + 67.0, "#3d3d3d", "#000000", 1.0, 1.0);
cairo_set_source (cr, pattern);
cairo_pattern_destroy (pattern);
- cairo_arc (cr, xc, yc, knob_disc_radius, (double) 0, 2 * G_PI);
+ cairo_arc (cr, xc, yc, knob_disc_radius, 0.0, 2 * G_PI);
cairo_stroke (cr);
- cairo_restore (cr);
cairo_pattern_destroy (knob_ripples);
}
bool
MotionFeedback::pixwin_expose_event (GdkEventExpose* ev)
{
- // GtkWidget* widget = GTK_WIDGET(pixwin.gobj());
GdkWindow *window = pixwin.get_window()->gobj();
GtkAdjustment* adj = adjustment->gobj();
phase = (phase + 63) % 64;
}
-#if 1
- cairo_t* cr = gdk_cairo_create (GDK_DRAWABLE (window));
+ phase = std::min (phase, 63);
- gdk_cairo_rectangle (cr, &ev->area);
- cairo_clip (cr);
-
- core_draw (cr, phase, subheight/2, subwidth/2, subheight/2);
- cairo_destroy (cr);
-
-#else
-
- gdk_draw_pixbuf (GDK_DRAWABLE(window), widget->style->fg_gc[0],
- pixbuf->gobj(),
- phase * subwidth, type * subheight,
- 0, 0, subwidth, subheight, GDK_RGB_DITHER_NORMAL, 0, 0);
-#endif
+ GtkWidget* widget = GTK_WIDGET(pixwin.gobj());
+ gdk_draw_pixbuf (GDK_DRAWABLE(window), widget->style->fg_gc[0],
+ pixbuf->gobj(),
+ phase * subwidth, type * subheight,
+ 0, 0, subwidth, subheight, GDK_RGB_DITHER_NORMAL, 0, 0);
return true;
}
prolooks_hsv_set_value (lamp_hsv, 0.67);
lamp_dark = (prolooks_hsv_to_gdk_color (lamp_hsv, &col3), col3);
}
+
+Glib::RefPtr<Gdk::Pixbuf>
+MotionFeedback::render_pixbuf (int size)
+{
+ Glib::RefPtr<Gdk::Pixbuf> pixbuf;
+ char path[32];
+ int fd;
+
+ snprintf (path, sizeof (path), "/tmp/mfimg%dXXXXXX", size);
+
+ if ((fd = mkstemp (path)) < 0) {
+ return pixbuf;
+ }
+
+ GdkColor col2 = {0,0,0,0};
+ GdkColor col3 = {0,0,0,0};
+ Gdk::Color base ("#b9feff");
+ GdkColor dark;
+ GdkColor bright;
+ ProlooksHSV* hsv;
+
+ hsv = prolooks_hsv_new_for_gdk_color (base.gobj());
+ bright = (prolooks_hsv_to_gdk_color (hsv, &col2), col2);
+ prolooks_hsv_set_saturation (hsv, 0.66);
+ prolooks_hsv_set_value (hsv, 0.67);
+ dark = (prolooks_hsv_to_gdk_color (hsv, &col3), col3);
+
+ cairo_surface_t *surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, size * 64, size);
+ cairo_t* cr = cairo_create (surface);
+
+ for (int i = 0; i < 64; ++i) {
+ cairo_save (cr);
+ core_draw (cr, i, size, 20, size*i, 0, &bright, &dark);
+ cairo_restore (cr);
+ }
+
+ if (cairo_surface_write_to_png (surface, path) != CAIRO_STATUS_SUCCESS) {
+ std::cerr << "could not save image set to " << path << std::endl;
+ return pixbuf;
+ }
+
+ close (fd);
+
+ cairo_destroy (cr);
+ cairo_surface_destroy (surface);
+
+ try {
+ pixbuf = Gdk::Pixbuf::create_from_file (path);
+ } catch (const Gdk::PixbufError &e) {
+ std::cerr << "Caught PixbufError: " << e.what() << std::endl;
+ unlink (path);
+ throw;
+ } catch (...) {
+ unlink (path);
+ g_message("Caught ... ");
+ throw;
+ }
+
+ unlink (path);
+
+ return pixbuf;
+}
projects / ardour.git / blobdiff