mirror of https://github.com/GNOME/gimp.git
It's alive!
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@ -34,9 +34,21 @@
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#include "gimpcairo-wilber.h"
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static void gimp_cairo_eyes (cairo_t *cr,
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gdouble x,
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gdouble y);
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static void gimp_cairo_wilber_internal (GtkWidget *widget,
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cairo_t *cr,
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gdouble x,
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gdouble y,
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gdouble factor,
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gdouble max_eye_angle);
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static void gimp_cairo_eyes (GtkWidget *widget,
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cairo_t *cr,
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gdouble x,
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gdouble y,
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gdouble factor,
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gdouble max_eye_angle);
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static gboolean pointer_eyes = TRUE;
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void
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@ -67,9 +79,10 @@ gimp_cairo_draw_toolbox_wilber (GtkWidget *widget,
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cairo_scale (cr, factor, factor);
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gimp_cairo_wilber (cr,
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(allocation.width / factor - wilber_width) / 2.0,
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(allocation.height / factor - wilber_height) / 2.0);
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gimp_cairo_wilber_internal (widget, cr,
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(allocation.width / factor - wilber_width) / 2.0,
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(allocation.height / factor - wilber_height) / 2.0,
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factor, 30.0 * G_PI / 180.0);
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cairo_set_source_rgba (cr,
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style->fg[state].red / 65535.0,
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@ -122,9 +135,10 @@ gimp_cairo_draw_drop_wilber (GtkWidget *widget,
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/* magic factors depend on the image used, everything else is generic
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*/
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gimp_cairo_wilber (cr,
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- wilber_width * 0.6,
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allocation.height / factor - wilber_height * 1.1);
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gimp_cairo_wilber_internal (widget, cr,
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- wilber_width * 0.6,
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allocation.height / factor - wilber_height * 1.1,
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factor, 50.0 * G_PI / 180.0);
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cairo_set_source_rgba (cr,
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style->fg[state].red / 65535.0,
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@ -135,9 +149,10 @@ gimp_cairo_draw_drop_wilber (GtkWidget *widget,
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if (blink)
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{
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gimp_cairo_eyes (cr,
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gimp_cairo_eyes (widget, cr,
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- wilber_width * 0.6,
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allocation.height / factor - wilber_height * 1.1);
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allocation.height / factor - wilber_height * 1.1,
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factor, 50.0 * G_PI / 180.0);
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cairo_set_source_rgba (cr,
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style->fg[state].red / 65535.0,
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@ -155,7 +170,7 @@ gimp_cairo_draw_drop_wilber (GtkWidget *widget,
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* function to do that.
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*/
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static const gchar wilber_path[] =
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"M 509.72445,438.68864 C 501.47706,469.77945 464.95038,491.54566 431.85915,497.74874 C 438.5216,503.01688 442.87782,511.227 442.87782,520.37375 C 442.87783,536.24746 429.95607,549.0223 414.08235,549.0223 C 398.20863,549.0223 385.28688,536.24746 385.28688,520.37375 C 385.28688,511.52403 389.27666,503.61286 395.57098,498.3364 C 359.36952,495.90384 343.70976,463.95812 343.70975,463.95814 L 342.68134,509.64891 C 342.68134,514.35021 342.08391,519.96098 340.18378,528.3072 C 339.84664,527.80364 339.51399,527.33515 339.15537,526.83804 C 330.25511,514.5011 317.25269,507.81431 306.39317,508.76741 C 302.77334,509.08511 299.47017,510.33348 296.54982,512.4403 C 284.86847,520.86757 284.97665,540.94721 296.84366,557.3965 C 306.96274,571.42287 322.32232,578.25612 333.8664,574.73254 C 391.94635,615.17624 532.16931,642.41915 509.72445,438.68864 z M 363.24953,501.1278 C 373.83202,501.12778 382.49549,509.79127 382.49549,520.37375 C 382.49549,530.95624 373.83201,539.47279 363.24953,539.47279 C 352.66706,539.47279 344.1505,530.95624 344.1505,520.37375 C 344.15049,509.79129 352.66706,501.1278 363.24953,501.1278 z M 305.80551,516.1132 C 311.68466,516.11318 316.38344,521.83985 316.38344,528.89486 C 316.38345,535.94982 311.68467,541.67652 305.80551,541.67652 C 299.92636,541.67652 295.08067,535.94987 295.08067,528.89486 C 295.08065,521.83985 299.92636,516.1132 305.80551,516.1132 z M 440.821,552.54828 C 440.821,552.54828 448.7504,554.02388 453.8965,559.45332 C 457.41881,563.16951 457.75208,569.15506 456.98172,577.37703 C 456.21143,573.8833 454.89571,571.76659 453.8965,569.29666 C 443.01388,582.47662 413.42981,583.08929 376.0312,569.88433 C 416.63248,578.00493 437.38806,570.56014 449.48903,561.2163 C 446.29383,557.08917 440.821,552.54828 440.821,552.54828 z M 434.64723,524.59684 C 434.64723,532.23974 428.44429,538.44268 420.80139,538.44268 C 413.15849,538.44268 406.95555,532.23974 406.95555,524.59684 C 406.95555,516.95394 413.15849,510.751 420.80139,510.751 C 428.44429,510.751 434.64723,516.95394 434.64723,524.59684 z M 378.00043,522.99931 C 378.00043,527.70264 374.18324,531.51984 369.47991,531.51984 C 364.77658,531.51984 360.95939,527.70264 360.95939,522.99931 C 360.95939,518.29599 364.77658,514.47879 369.47991,514.47879 C 374.18324,514.47879 378.00043,518.29599 378.00043,522.99931 z ";
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"M 509.72445,438.68864 C 501.47706,469.77945 464.95038,491.54566 431.85915,497.74874 C 438.5216,503.01688 442.87782,511.227 442.87782,520.37375 C 442.87783,536.24746 429.95607,549.0223 414.08235,549.0223 C 398.20863,549.0223 385.28688,536.24746 385.28688,520.37375 C 385.28688,511.52403 389.27666,503.61286 395.57098,498.3364 C 359.36952,495.90384 343.70976,463.95812 343.70975,463.95814 L 342.68134,509.64891 C 342.68134,514.35021 342.08391,519.96098 340.18378,528.3072 C 339.84664,527.80364 339.51399,527.33515 339.15537,526.83804 C 330.25511,514.5011 317.25269,507.81431 306.39317,508.76741 C 302.77334,509.08511 299.47017,510.33348 296.54982,512.4403 C 284.86847,520.86757 284.97665,540.94721 296.84366,557.3965 C 306.96274,571.42287 322.32232,578.25612 333.8664,574.73254 C 391.94635,615.17624 532.16931,642.41915 509.72445,438.68864 z M 363.24953,501.1278 C 373.83202,501.12778 382.49549,509.79127 382.49549,520.37375 C 382.49549,530.95624 373.83201,539.47279 363.24953,539.47279 C 352.66706,539.47279 344.1505,530.95624 344.1505,520.37375 C 344.15049,509.79129 352.66706,501.1278 363.24953,501.1278 z M 305.80551,516.1132 C 311.68466,516.11318 316.38344,521.83985 316.38344,528.89486 C 316.38345,535.94982 311.68467,541.67652 305.80551,541.67652 C 299.92636,541.67652 295.08067,535.94987 295.08067,528.89486 C 295.08065,521.83985 299.92636,516.1132 305.80551,516.1132 z M 440.821,552.54828 C 440.821,552.54828 448.7504,554.02388 453.8965,559.45332 C 457.41881,563.16951 457.75208,569.15506 456.98172,577.37703 C 456.21143,573.8833 454.89571,571.76659 453.8965,569.29666 C 443.01388,582.47662 413.42981,583.08929 376.0312,569.88433 C 416.63248,578.00493 437.38806,570.56014 449.48903,561.2163 C 446.29383,557.08917 440.821,552.54828 440.821,552.54828 z ";
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static const gchar eyes_path[] =
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"M 434.64723,524.59684 C 434.64723,532.23974 428.44429,538.44268 420.80139,538.44268 C 413.15849,538.44268 406.95555,532.23974 406.95555,524.59684 C 406.95555,516.95394 413.15849,510.751 420.80139,510.751 C 428.44429,510.751 434.64723,516.95394 434.64723,524.59684 z M 378.00043,522.99931 C 378.00043,527.70264 374.18324,531.51984 369.47991,531.51984 C 364.77658,531.51984 360.95939,527.70264 360.95939,522.99931 C 360.95939,518.29599 364.77658,514.47879 369.47991,514.47879 C 374.18324,514.47879 378.00043,518.29599 378.00043,522.99931 z ";
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@ -187,6 +202,17 @@ void
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gimp_cairo_wilber (cairo_t *cr,
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gdouble x,
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gdouble y)
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{
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gimp_cairo_wilber_internal (NULL, cr, x, y, 1.0, 0.0);
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}
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static void
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gimp_cairo_wilber_internal (GtkWidget *widget,
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cairo_t *cr,
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gdouble x,
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gdouble y,
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gdouble factor,
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gdouble max_eye_angle)
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{
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wilber_get_extents (cr);
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@ -196,12 +222,297 @@ gimp_cairo_wilber (cairo_t *cr,
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cairo_append_path (cr, wilber_cairo_path);
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cairo_restore (cr);
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gimp_cairo_eyes (widget, cr, x, y, factor, max_eye_angle);
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}
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typedef struct
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{
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gdouble x;
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gdouble y;
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gdouble radius;
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gdouble a;
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gdouble b;
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gdouble r;
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} Eye;
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static const Eye eyes[2] =
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{
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{ .x = (344.151 + 382.496) / 2.0,
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.y = (501.128 + 539.473) / 2.0,
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.radius = (382.496 - 344.151) / 2.0,
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.a = 25.0 * G_PI / 180.0,
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.b = 24.0 * G_PI / 180.0,
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.r = 0.475
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},
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{ .x = (385.287 + 442.878) / 2.0,
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.y = (491.431 + 549.022) / 2.0,
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.radius = (442.878 - 385.287) / 2.0,
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.a = 34.0 * G_PI / 180.0,
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.b = 19.0 * G_PI / 180.0,
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.r = 0.5
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}
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};
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typedef struct
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{
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gdouble a;
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gdouble b;
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} EyeState;
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typedef struct
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{
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EyeState eyes[2];
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gdouble x;
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gdouble y;
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gdouble factor;
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gdouble max_eye_angle;
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gdouble t;
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gint timeout_id;
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} EyesState;
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static EyesState *
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eyes_state_new (void)
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{
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EyesState *state = g_slice_new0 (EyesState);
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gint i;
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for (i = 0; i < 2; i++)
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{
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state->eyes[i].a = eyes[i].a;
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state->eyes[i].b = eyes[i].b;
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}
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state->t = (gdouble) g_get_monotonic_time () / G_TIME_SPAN_SECOND;
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return state;
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}
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static void
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gimp_cairo_eyes (cairo_t *cr,
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gdouble x,
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gdouble y)
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eyes_state_free (EyesState *state)
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{
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if (state->timeout_id)
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g_source_remove (state->timeout_id);
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g_slice_free (EyesState, state);
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}
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static gboolean
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gimp_cairo_pointer_eyes_timeout (GtkWidget *widget)
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{
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EyesState *state;
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gdouble t;
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gint pointer_x;
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gint pointer_y;
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GtkAllocation allocation;
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GdkWindow *window;
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gint window_x;
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gint window_y;
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gint redraw = 2;
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gint i;
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state = g_object_get_data (G_OBJECT (widget), "wilber-eyes-state");
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t = (gdouble) g_get_monotonic_time () / G_TIME_SPAN_SECOND;
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gdk_display_get_pointer (gtk_widget_get_display (widget),
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NULL, &pointer_x, &pointer_y, NULL);
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gtk_widget_get_allocation (widget, &allocation);
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window = gtk_widget_get_window (widget);
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if (window)
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gdk_window_get_origin (window, &window_x, &window_y);
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for (i = 0; i < 2; i++)
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{
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const Eye *eye = &eyes[i];
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gdouble a;
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gdouble b;
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gdouble c;
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GimpVector3 u;
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GimpVector3 v;
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GimpVector3 w;
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if (pointer_eyes)
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{
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gdouble screen_x;
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gdouble screen_y;
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gdouble z = 220.0 * state->factor;
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gdouble d;
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screen_x = (eye->x + state->x - wilber_x1) * state->factor;
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screen_y = (eye->y + state->y - wilber_y1) * state->factor;
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if (! gtk_widget_get_has_window (widget))
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{
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screen_x += allocation.x;
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screen_y += allocation.y;
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}
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if (window)
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{
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screen_x += window_x;
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screen_y += window_y;
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}
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d = sqrt (SQR (pointer_x - screen_x) + SQR (pointer_y - screen_y));
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a = atan2 (pointer_y - screen_y, pointer_x - screen_x);
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b = atan (d / z);
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b = MIN (b, state->max_eye_angle);
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}
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else
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{
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a = eyes[i].a;
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b = eyes[i].b;
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}
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if (a == state->eyes[i].a && b == state->eyes[i].b)
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{
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redraw--;
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continue;
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}
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u.x = sin (state->eyes[i].b) * cos (state->eyes[i].a);
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u.y = sin (state->eyes[i].b) * sin (state->eyes[i].a);
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u.z = cos (state->eyes[i].b);
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v.x = sin (b) * cos (a);
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v.y = sin (b) * sin (a);
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v.z = cos (b);
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c = acos (gimp_vector3_inner_product (&u, &v));
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if (c < 1e-2)
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{
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state->eyes[i].a = a;
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state->eyes[i].b = b;
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continue;
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}
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c *= 1.0 - exp (-(t - state->t) * 15.0);
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w = gimp_vector3_cross_product (&u, &v);
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w = gimp_vector3_cross_product (&w, &u);
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gimp_vector3_normalize (&w);
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v.x = u.x * cos (c) + w.x * sin (c);
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v.y = u.y * cos (c) + w.y * sin (c);
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v.z = u.z * cos (c) + w.z * sin (c);
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a = atan2 (v.y, v.x);
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b = acos (v.z);
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state->eyes[i].a = a;
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state->eyes[i].b = b;
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}
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state->t = t;
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if (redraw)
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{
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state->timeout_id = 0;
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gtk_widget_queue_draw (widget);
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return G_SOURCE_REMOVE;
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}
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else if (! pointer_eyes)
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{
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state->timeout_id = 0;
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g_object_set_data (G_OBJECT (widget), "wilber-eyes-state", NULL);
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gtk_widget_queue_draw (widget);
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return G_SOURCE_REMOVE;
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}
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return G_SOURCE_CONTINUE;
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}
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static void
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gimp_cairo_pointer_eyes (GtkWidget *widget,
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cairo_t *cr,
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gdouble x,
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gdouble y,
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gdouble factor,
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gdouble max_eye_angle)
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{
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EyesState *state;
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gint i;
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state = g_object_get_data (G_OBJECT (widget), "wilber-eyes-state");
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if (! state)
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{
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state = eyes_state_new ();
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g_object_set_data_full (G_OBJECT (widget), "wilber-eyes-state", state,
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(GDestroyNotify) eyes_state_free);
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}
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for (i = 0; i < 2; i++)
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{
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const Eye *eye = &eyes[i];
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gdouble R = eye->radius;
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gdouble r = eye->r * eye->radius;
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gint j;
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cairo_save (cr);
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cairo_translate (cr, eye->x, eye->y);
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cairo_rotate (cr, state->eyes[i].a);
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for (j = 0; j < 32; j++)
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{
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gdouble a = -2.0 * G_PI * j / 32.0;
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gdouble u = r * cos (a);
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gdouble v = r * sin (a);
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gdouble w = sqrt (SQR (R) - SQR (v));
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gdouble b = asin (u / w);
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b = CLAMP (b + state->eyes[i].b, -G_PI / 2.0, +G_PI / 2.0);
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u = w * sin (b);
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if (j == 0)
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cairo_move_to (cr, u, v);
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else
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cairo_line_to (cr, u, v);
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}
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cairo_close_path (cr);
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cairo_restore (cr);
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}
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state->x = x;
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state->y = y;
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state->factor = factor;
|
||||
state->max_eye_angle = max_eye_angle;
|
||||
|
||||
if (! state->timeout_id)
|
||||
{
|
||||
state->timeout_id =
|
||||
g_timeout_add (17,
|
||||
(GSourceFunc) gimp_cairo_pointer_eyes_timeout,
|
||||
widget);
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
gimp_cairo_eyes (GtkWidget *widget,
|
||||
cairo_t *cr,
|
||||
gdouble x,
|
||||
gdouble y,
|
||||
gdouble factor,
|
||||
gdouble max_eye_angle)
|
||||
{
|
||||
wilber_get_extents (cr);
|
||||
eyes_get_extents (cr);
|
||||
|
|
@ -209,7 +520,16 @@ gimp_cairo_eyes (cairo_t *cr,
|
|||
cairo_save (cr);
|
||||
|
||||
cairo_translate (cr, x - wilber_x1, y - wilber_y1);
|
||||
cairo_append_path (cr, eyes_cairo_path);
|
||||
if (widget &&
|
||||
(pointer_eyes ||
|
||||
g_object_get_data (G_OBJECT (widget), "wilber-eyes-state")))
|
||||
{
|
||||
gimp_cairo_pointer_eyes (widget, cr, x, y, factor, max_eye_angle);
|
||||
}
|
||||
else
|
||||
{
|
||||
cairo_append_path (cr, eyes_cairo_path);
|
||||
}
|
||||
|
||||
cairo_restore (cr);
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue