1 /* Helpers.c generated by valac, the Vala compiler
2 * generated from Helpers.vala, do not modify */
5 Copyright 2009 by Hans Baier
9 #include "gtkmm2ext/prolooks-helpers.h"
11 static gpointer cairo_color_parent_class = NULL;
12 static gpointer prolooks_hsl_parent_class = NULL;
13 static gpointer prolooks_hsv_parent_class = NULL;
15 CairoColor* cairo_color_construct (GType object_type, double red, double green, double blue, double alpha) {
17 self = (CairoColor*) g_type_create_instance (object_type);
18 cairo_color_set_red (self, red);
19 cairo_color_set_green (self, green);
20 cairo_color_set_blue (self, blue);
21 cairo_color_set_alpha (self, alpha);
26 CairoColor* cairo_color_new (double red, double green, double blue, double alpha) {
27 return cairo_color_construct (CAIRO_TYPE_COLOR, red, green, blue, alpha);
31 CairoColor* cairo_color_copy (CairoColor* self) {
32 CairoColor* result = NULL;
33 g_return_val_if_fail (self != NULL, NULL);
34 result = cairo_color_new (self->priv->_red, self->priv->_green, self->priv->_blue, self->priv->_alpha);
39 CairoColor* cairo_color_construct_from_string (GType object_type, const char* webcolor) {
41 g_return_val_if_fail (webcolor != NULL, NULL);
42 self = (CairoColor*) g_type_create_instance (object_type);
43 cairo_color_set_from_string (self, webcolor);
48 CairoColor* cairo_color_new_from_string (const char* webcolor) {
49 return cairo_color_construct_from_string (CAIRO_TYPE_COLOR, webcolor);
53 CairoColor* cairo_color_shade (CairoColor* self, double shade_factor) {
54 CairoColor* result = NULL;
56 g_return_val_if_fail (self != NULL, NULL);
57 hsl = prolooks_hsl_new ();
58 prolooks_hsl_from_cairo_color (hsl, self);
59 prolooks_hsl_set_lightness (hsl, fmin (prolooks_hsl_get_lightness (hsl) * shade_factor, 1.0));
60 prolooks_hsl_set_lightness (hsl, fmax (prolooks_hsl_get_lightness (hsl), 0.0));
61 prolooks_hsl_set_saturation (hsl, fmin (prolooks_hsl_get_saturation (hsl) * shade_factor, 1.0));
62 prolooks_hsl_set_saturation (hsl, fmax (prolooks_hsl_get_saturation (hsl), 0.0));
63 result = prolooks_hsl_to_cairo_color (hsl);
64 _prolooks_hsl_unref0 (hsl);
69 void cairo_color_set_to (CairoColor* self, CairoColor* a_color) {
70 g_return_if_fail (self != NULL);
71 g_return_if_fail (a_color != NULL);
72 cairo_color_set_red (self, a_color->priv->_red);
73 cairo_color_set_green (self, a_color->priv->_green);
74 cairo_color_set_blue (self, a_color->priv->_blue);
75 cairo_color_set_alpha (self, a_color->priv->_alpha);
79 void cairo_color_set_as_source_in (CairoColor* self, cairo_t* cr) {
80 g_return_if_fail (self != NULL);
81 g_return_if_fail (cr != NULL);
82 cairo_set_source_rgba (cr, self->priv->_red, self->priv->_green, self->priv->_blue, self->priv->_alpha);
86 void cairo_color_add_color_stop_to (CairoColor* self, cairo_pattern_t* p, double offset) {
87 g_return_if_fail (self != NULL);
88 g_return_if_fail (p != NULL);
89 cairo_pattern_add_color_stop_rgba (p, offset, self->priv->_red, self->priv->_green, self->priv->_blue, self->priv->_alpha);
93 void cairo_color_set_from_string (CairoColor* self, const char* webcolor) {
96 GdkColor _tmp0_ = {0,0,0,0};
97 g_return_if_fail (self != NULL);
98 g_return_if_fail (webcolor != NULL);
99 cairo_color_set_to (self, _tmp2_ = prolooks_gdk_color_to_cairo ((_tmp1_ = (prolooks_color_from_string (webcolor, &_tmp0_), _tmp0_), &_tmp1_)));
100 _cairo_color_unref0 (_tmp2_);
104 double cairo_color_get_red (CairoColor* self) {
106 g_return_val_if_fail (self != NULL, 0.0);
107 result = self->priv->_red;
112 void cairo_color_set_red (CairoColor* self, double value) {
113 g_return_if_fail (self != NULL);
114 self->priv->_red = value;
118 double cairo_color_get_green (CairoColor* self) {
120 g_return_val_if_fail (self != NULL, 0.0);
121 result = self->priv->_green;
126 void cairo_color_set_green (CairoColor* self, double value) {
127 g_return_if_fail (self != NULL);
128 self->priv->_green = value;
132 double cairo_color_get_blue (CairoColor* self) {
134 g_return_val_if_fail (self != NULL, 0.0);
135 result = self->priv->_blue;
140 void cairo_color_set_blue (CairoColor* self, double value) {
141 g_return_if_fail (self != NULL);
142 self->priv->_blue = value;
146 double cairo_color_get_alpha (CairoColor* self) {
148 g_return_val_if_fail (self != NULL, 0.0);
149 result = self->priv->_alpha;
154 void cairo_color_set_alpha (CairoColor* self, double value) {
155 g_return_if_fail (self != NULL);
156 self->priv->_alpha = value;
160 static void cairo_value_color_init (GValue* value) {
161 value->data[0].v_pointer = NULL;
165 static void cairo_value_color_free_value (GValue* value) {
166 if (value->data[0].v_pointer) {
167 cairo_color_unref (value->data[0].v_pointer);
172 static void cairo_value_color_copy_value (const GValue* src_value, GValue* dest_value) {
173 if (src_value->data[0].v_pointer) {
174 dest_value->data[0].v_pointer = cairo_color_ref (src_value->data[0].v_pointer);
176 dest_value->data[0].v_pointer = NULL;
181 static gpointer cairo_value_color_peek_pointer (const GValue* value) {
182 return value->data[0].v_pointer;
186 static gchar* cairo_value_color_collect_value (GValue* value, guint n_collect_values, GTypeCValue* collect_values, guint collect_flags) {
187 (void) n_collect_values;
188 (void) collect_flags;
189 if (collect_values[0].v_pointer) {
191 object = collect_values[0].v_pointer;
192 if (object->parent_instance.g_class == NULL) {
193 return g_strconcat ("invalid unclassed object pointer for value type `", G_VALUE_TYPE_NAME (value), "'", NULL);
194 } else if (!g_value_type_compatible (G_TYPE_FROM_INSTANCE (object), G_VALUE_TYPE (value))) {
195 return g_strconcat ("invalid object type `", g_type_name (G_TYPE_FROM_INSTANCE (object)), "' for value type `", G_VALUE_TYPE_NAME (value), "'", NULL);
197 value->data[0].v_pointer = cairo_color_ref (object);
199 value->data[0].v_pointer = NULL;
205 static gchar* cairo_value_color_lcopy_value (const GValue* value, guint n_collect_values, GTypeCValue* collect_values, guint collect_flags) {
206 CairoColor** object_p;
207 (void) n_collect_values;
208 object_p = collect_values[0].v_pointer;
210 return g_strdup_printf ("value location for `%s' passed as NULL", G_VALUE_TYPE_NAME ((GValue*)value));
212 if (!value->data[0].v_pointer) {
214 } else if (collect_flags & G_VALUE_NOCOPY_CONTENTS) {
215 *object_p = value->data[0].v_pointer;
217 *object_p = cairo_color_ref (value->data[0].v_pointer);
223 GParamSpec* cairo_param_spec_color (const gchar* name, const gchar* nick, const gchar* blurb, GType object_type, GParamFlags flags) {
224 CairoParamSpecColor* spec;
225 g_return_val_if_fail (g_type_is_a (object_type, CAIRO_TYPE_COLOR), NULL);
226 spec = g_param_spec_internal (G_TYPE_PARAM_OBJECT, name, nick, blurb, flags);
227 G_PARAM_SPEC (spec)->value_type = object_type;
228 return G_PARAM_SPEC (spec);
232 gpointer cairo_value_get_color (const GValue* value) {
233 g_return_val_if_fail (G_TYPE_CHECK_VALUE_TYPE ((GValue*)value, CAIRO_TYPE_COLOR), NULL);
234 return value->data[0].v_pointer;
238 void cairo_value_set_color (GValue* value, gpointer v_object) {
240 g_return_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, CAIRO_TYPE_COLOR));
241 old = value->data[0].v_pointer;
243 g_return_if_fail (G_TYPE_CHECK_INSTANCE_TYPE (v_object, CAIRO_TYPE_COLOR));
244 g_return_if_fail (g_value_type_compatible (G_TYPE_FROM_INSTANCE (v_object), G_VALUE_TYPE (value)));
245 value->data[0].v_pointer = v_object;
246 cairo_color_ref (value->data[0].v_pointer);
248 value->data[0].v_pointer = NULL;
251 cairo_color_unref (old);
256 void cairo_value_take_color (GValue* value, gpointer v_object) {
258 g_return_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, CAIRO_TYPE_COLOR));
259 old = value->data[0].v_pointer;
261 g_return_if_fail (G_TYPE_CHECK_INSTANCE_TYPE (v_object, CAIRO_TYPE_COLOR));
262 g_return_if_fail (g_value_type_compatible (G_TYPE_FROM_INSTANCE (v_object), G_VALUE_TYPE (value)));
263 value->data[0].v_pointer = v_object;
265 value->data[0].v_pointer = NULL;
268 cairo_color_unref (old);
272 static void cairo_color_finalize (CairoColor* obj) {
274 self = CAIRO_COLOR (obj);
277 static void cairo_color_class_init (CairoColorClass * klass) {
278 cairo_color_parent_class = g_type_class_peek_parent (klass);
279 CAIRO_COLOR_CLASS (klass)->finalize = cairo_color_finalize;
280 g_type_class_add_private (klass, sizeof (CairoColorPrivate));
284 static void cairo_color_instance_init (CairoColor * self) {
285 self->priv = CAIRO_COLOR_GET_PRIVATE (self);
291 GType cairo_color_get_type (void) {
292 static volatile gsize cairo_color_type_id__volatile = 0;
293 if (g_once_init_enter (&cairo_color_type_id__volatile)) {
294 static const GTypeValueTable g_define_type_value_table = { cairo_value_color_init, cairo_value_color_free_value, cairo_value_color_copy_value, cairo_value_color_peek_pointer, "p", cairo_value_color_collect_value, "p", cairo_value_color_lcopy_value };
295 static const GTypeInfo g_define_type_info = { sizeof (CairoColorClass), (GBaseInitFunc) NULL, (GBaseFinalizeFunc) NULL, (GClassInitFunc) cairo_color_class_init, (GClassFinalizeFunc) NULL, NULL, sizeof (CairoColor), 0, (GInstanceInitFunc) cairo_color_instance_init, &g_define_type_value_table };
296 static const GTypeFundamentalInfo g_define_type_fundamental_info = { (G_TYPE_FLAG_CLASSED | G_TYPE_FLAG_INSTANTIATABLE | G_TYPE_FLAG_DERIVABLE | G_TYPE_FLAG_DEEP_DERIVABLE) };
297 GType cairo_color_type_id;
298 cairo_color_type_id = g_type_register_fundamental (g_type_fundamental_next (), "CairoColor", &g_define_type_info, &g_define_type_fundamental_info, 0);
299 g_once_init_leave (&cairo_color_type_id__volatile, cairo_color_type_id);
301 return cairo_color_type_id__volatile;
305 gpointer cairo_color_ref (gpointer instance) {
308 g_atomic_int_inc (&self->ref_count);
313 void cairo_color_unref (gpointer instance) {
316 if (g_atomic_int_dec_and_test (&self->ref_count)) {
317 CAIRO_COLOR_GET_CLASS (self)->finalize (self);
318 g_type_free_instance ((GTypeInstance *) self);
323 GType prolooks_button_state_get_type (void) {
324 static volatile gsize prolooks_button_state_type_id__volatile = 0;
325 if (g_once_init_enter (&prolooks_button_state_type_id__volatile)) {
326 static const GEnumValue values[] = {{PROLOOKS_BUTTON_STATE_NORMAL, "PROLOOKS_BUTTON_STATE_NORMAL", "normal"}, {PROLOOKS_BUTTON_STATE_PRESSED, "PROLOOKS_BUTTON_STATE_PRESSED", "pressed"}, {0, NULL, NULL}};
327 GType prolooks_button_state_type_id;
328 prolooks_button_state_type_id = g_enum_register_static ("ProlooksButtonState", values);
329 g_once_init_leave (&prolooks_button_state_type_id__volatile, prolooks_button_state_type_id);
331 return prolooks_button_state_type_id__volatile;
335 GType prolooks_button_type_get_type (void) {
336 static volatile gsize prolooks_button_type_type_id__volatile = 0;
337 if (g_once_init_enter (&prolooks_button_type_type_id__volatile)) {
338 static const GEnumValue values[] = {{PROLOOKS_BUTTON_TYPE_PRESS_BUTTON, "PROLOOKS_BUTTON_TYPE_PRESS_BUTTON", "press-button"}, {PROLOOKS_BUTTON_TYPE_TOGGLE_BUTTON, "PROLOOKS_BUTTON_TYPE_TOGGLE_BUTTON", "toggle-button"}, {0, NULL, NULL}};
339 GType prolooks_button_type_type_id;
340 prolooks_button_type_type_id = g_enum_register_static ("ProlooksButtonType", values);
341 g_once_init_leave (&prolooks_button_type_type_id__volatile, prolooks_button_type_type_id);
343 return prolooks_button_type_type_id__volatile;
347 void prolooks_set_line_width_from_device (cairo_t* cr) {
350 g_return_if_fail (cr != NULL);
353 cairo_device_to_user (cr, &ux, &uy);
357 cairo_set_line_width (cr, ux);
361 void prolooks_color_from_string (const char* webcolor, GdkColor* result) {
362 GdkColor color = {0,0,0,0};
363 g_return_if_fail (webcolor != NULL);
364 gdk_color_parse (webcolor, &color);
370 char* prolooks_color_to_string (const GdkColor* color) {
373 scale = G_MAXUINT16 / G_MAXUINT8;
374 result = g_strdup_printf ("#%02x%02x%02x", (guint) ((*color).red / scale), (guint) ((*color).green / scale), (guint) ((*color).blue / scale));
379 CairoColor* prolooks_cairo_color_from_string (const char* webcolor) {
380 CairoColor* result = NULL;
382 GdkColor _tmp0_ = {0,0,0,0};
383 g_return_val_if_fail (webcolor != NULL, NULL);
384 result = prolooks_gdk_color_to_cairo ((_tmp1_ = (prolooks_color_from_string (webcolor, &_tmp0_), _tmp0_), &_tmp1_));
389 void prolooks_set_source_color (cairo_t* cr, const GdkColor* color, double alpha) {
390 g_return_if_fail (cr != NULL);
391 cairo_set_source_rgba (cr, ((double) (*color).red) / ((double) G_MAXUINT16), ((double) (*color).green) / ((double) G_MAXUINT16), ((double) (*color).blue) / ((double) G_MAXUINT16), alpha);
395 void prolooks_gdk_color_to_cairo_color (const GdkColor* color, double* red, double* green, double* blue) {
396 *red = ((double) (*color).red) / ((double) G_MAXUINT16);
397 *green = ((double) (*color).green) / ((double) G_MAXUINT16);
398 *blue = ((double) (*color).blue) / ((double) G_MAXUINT16);
402 CairoColor* prolooks_gdk_color_to_cairo (const GdkColor* color) {
403 CairoColor* result = NULL;
410 prolooks_gdk_color_to_cairo_color (color, &r, &g, &b);
411 result = cairo_color_new (r, g, b, 1.0);
416 void prolooks_cairo_color_to_gdk (CairoColor* cairo_color, GdkColor* result) {
417 GdkColor color = {0,0,0,0};
418 g_return_if_fail (cairo_color != NULL);
419 memset (&color, 0, sizeof (GdkColor));
420 color.red = (guint16) (cairo_color_get_red (cairo_color) * ((double) G_MAXUINT16));
421 color.green = (guint16) (cairo_color_get_green (cairo_color) * ((double) G_MAXUINT16));
422 color.blue = (guint16) (cairo_color_get_blue (cairo_color) * ((double) G_MAXUINT16));
428 void prolooks_set_source_color_string (cairo_t* cr, const char* color, double alpha) {
430 GdkColor _tmp0_ = {0,0,0,0};
431 g_return_if_fail (cr != NULL);
432 g_return_if_fail (color != NULL);
433 prolooks_set_source_color (cr, (_tmp1_ = (prolooks_color_from_string (color, &_tmp0_), _tmp0_), &_tmp1_), alpha);
437 void prolooks_add_color_stop (cairo_pattern_t* p, double offset, const GdkColor* color, double alpha) {
438 g_return_if_fail (p != NULL);
439 cairo_pattern_add_color_stop_rgba (p, offset, ((double) (*color).red) / ((double) G_MAXUINT16), ((double) (*color).green) / ((double) G_MAXUINT16), ((double) (*color).blue) / ((double) G_MAXUINT16), alpha);
443 void prolooks_add_color_stop_str (cairo_pattern_t* p, double offset, const char* color, double alpha) {
445 GdkColor _tmp0_ = {0,0,0,0};
446 g_return_if_fail (p != NULL);
447 g_return_if_fail (color != NULL);
448 prolooks_add_color_stop (p, offset, (_tmp1_ = (prolooks_color_from_string (color, &_tmp0_), _tmp0_), &_tmp1_), alpha);
452 cairo_pattern_t* prolooks_create_gradient (double x1, double y1, double x2, double y2, const GdkColor* start, const GdkColor* stop, double alpha_start, double alpha_stop) {
453 cairo_pattern_t* result = NULL;
454 cairo_pattern_t* gradient;
455 gradient = cairo_pattern_create_linear (x1, y1, x2, y2);
456 prolooks_add_color_stop (gradient, (double) 0, start, alpha_start);
457 prolooks_add_color_stop (gradient, (double) 1, stop, alpha_stop);
463 cairo_pattern_t* prolooks_create_gradient_str (double x1, double y1, double x2, double y2, const char* start, const char* stop, double alpha_start, double alpha_stop) {
464 cairo_pattern_t* result = NULL;
467 GdkColor _tmp1_ = {0,0,0,0};
468 GdkColor _tmp0_ = {0,0,0,0};
469 g_return_val_if_fail (start != NULL, NULL);
470 g_return_val_if_fail (stop != NULL, NULL);
471 result = prolooks_create_gradient (x1, y1, x2, y2, (_tmp2_ = (prolooks_color_from_string (start, &_tmp0_), _tmp0_), &_tmp2_), (_tmp3_ = (prolooks_color_from_string (stop, &_tmp1_), _tmp1_), &_tmp3_), alpha_start, alpha_stop);
476 void prolooks_rounded_rect (cairo_t* cr, double x, double y, double w, double h, double radius_x, double radius_y) {
477 double ARC_TO_BEZIER;
480 g_return_if_fail (cr != NULL);
481 ARC_TO_BEZIER = 0.55228475;
482 if (radius_x > (w - radius_x)) {
485 if (radius_y > (h - radius_y)) {
488 c1 = ARC_TO_BEZIER * radius_x;
489 c2 = ARC_TO_BEZIER * radius_y;
491 cairo_move_to (cr, x + radius_x, y);
492 cairo_rel_line_to (cr, w - (2 * radius_x), 0.0);
493 cairo_rel_curve_to (cr, c1, 0.0, radius_x, c2, radius_x, radius_y);
494 cairo_rel_line_to (cr, (double) 0, h - (2 * radius_y));
495 cairo_rel_curve_to (cr, 0.0, c2, c1 - radius_x, radius_y, -radius_x, radius_y);
496 cairo_rel_line_to (cr, (-w) + (2 * radius_x), (double) 0);
497 cairo_rel_curve_to (cr, -c1, (double) 0, -radius_x, -c2, -radius_x, -radius_y);
498 cairo_rel_line_to (cr, (double) 0, (-h) + (2 * radius_y));
499 cairo_rel_curve_to (cr, 0.0, -c2, radius_x - c1, -radius_y, radius_x, -radius_y);
500 cairo_close_path (cr);
504 void prolooks_background_gradient (cairo_t* cr, double w, double h) {
505 GdkColor background_gradient_start = {0,0,0,0};
506 GdkColor background_gradient_stop = {0,0,0,0};
507 cairo_pattern_t* background_gradient;
508 g_return_if_fail (cr != NULL);
509 gdk_color_parse ("#bebdc2", &background_gradient_start);
510 gdk_color_parse ("#b1b4b9", &background_gradient_stop);
511 cairo_rectangle (cr, (double) 0, (double) 0, w, h);
512 background_gradient = cairo_pattern_create_linear ((double) 0, (double) 0, (double) 0, h);
513 prolooks_add_color_stop (background_gradient, (double) 0, &background_gradient_start, 1.0);
514 prolooks_add_color_stop (background_gradient, (double) 1, &background_gradient_stop, 1.0);
515 cairo_set_source (cr, background_gradient);
517 _cairo_pattern_destroy0 (background_gradient);
521 double prolooks_modula (double number, double divisor) {
523 result = (((gint) number) % ((gint) divisor)) + (number - ((gint) number));
528 char* prolooks_hsl_to_string (ProlooksHSL* self) {
530 g_return_val_if_fail (self != NULL, NULL);
531 result = g_strdup_printf ("HSL (%f, %f, %f)", self->priv->_hue, self->priv->_saturation, self->priv->_lightness);
536 CairoColor* prolooks_hsl_to_cairo_color (ProlooksHSL* self) {
537 CairoColor* result = NULL;
548 g_return_val_if_fail (self != NULL, NULL);
549 hue_shift = (_tmp0_ = g_new0 (double, 3), _tmp0_);
550 color_shift = (_tmp1_ = g_new0 (double, 3), _tmp1_);
551 if (self->priv->_lightness <= 0.5) {
552 m2 = self->priv->_lightness * (1 + self->priv->_saturation);
554 m2 = (self->priv->_lightness + self->priv->_saturation) - (self->priv->_lightness * self->priv->_saturation);
556 m1 = (2 * self->priv->_lightness) - m2;
557 hue_shift[0] = self->priv->_hue + 120;
558 hue_shift[1] = self->priv->_hue;
559 hue_shift[2] = self->priv->_hue - 120;
560 color_shift[0] = color_shift[1] = color_shift[2] = self->priv->_lightness;
561 if (self->priv->_saturation == 0) {
580 m3 = prolooks_modula (m3, (double) 360);
583 m3 = 360 - prolooks_modula (fabs (m3), (double) 360);
587 color_shift[i] = m1 + (((m2 - m1) * m3) / 60.0);
593 color_shift[i] = m1 + (((m2 - m1) * (240 - m3)) / 60.0);
601 color = cairo_color_new (color_shift[0], color_shift[1], color_shift[2], 1.0);
603 hue_shift = (g_free (hue_shift), NULL);
604 color_shift = (g_free (color_shift), NULL);
609 void prolooks_hsl_to_gdk_color (ProlooksHSL* self, GdkColor* result) {
610 GdkColor _tmp1_ = {0,0,0,0};
613 g_return_if_fail (self != NULL);
614 *result = (_tmp2_ = (prolooks_cairo_color_to_gdk (_tmp0_ = prolooks_hsl_to_cairo_color (self), &_tmp1_), _tmp1_), _cairo_color_unref0 (_tmp0_), _tmp2_);
619 void prolooks_hsl_from_gdk_color (ProlooksHSL* self, const GdkColor* color) {
621 g_return_if_fail (self != NULL);
622 prolooks_hsl_from_cairo_color (self, _tmp0_ = prolooks_gdk_color_to_cairo (color));
623 _cairo_color_unref0 (_tmp0_);
627 void prolooks_hsl_from_cairo_color (ProlooksHSL* self, CairoColor* color) {
634 g_return_if_fail (self != NULL);
635 g_return_if_fail (color != NULL);
636 red = cairo_color_get_red (color);
637 green = cairo_color_get_green (color);
638 blue = cairo_color_get_blue (color);
662 prolooks_hsl_set_lightness (self, (max + min) / 2.0);
663 if (fabs (max - min) < 0.0001) {
664 prolooks_hsl_set_hue (self, 0.0);
665 prolooks_hsl_set_saturation (self, 0.0);
667 if (self->priv->_lightness <= 0.5) {
668 prolooks_hsl_set_saturation (self, (max - min) / (max + min));
670 prolooks_hsl_set_saturation (self, (max - min) / ((2.0 - max) - min));
674 prolooks_hsl_set_hue (self, (green - blue) / delta);
677 prolooks_hsl_set_hue (self, 2.0 + ((blue - red) / delta));
680 prolooks_hsl_set_hue (self, 4.0 + ((red - green) / delta));
684 prolooks_hsl_set_hue (self, self->priv->_hue * 60.0);
685 if (self->priv->_hue < 0.0) {
686 prolooks_hsl_set_hue (self, self->priv->_hue + 360.0);
692 ProlooksHSL* prolooks_hsl_construct (GType object_type) {
694 self = (ProlooksHSL*) g_type_create_instance (object_type);
699 ProlooksHSL* prolooks_hsl_new (void) {
700 return prolooks_hsl_construct (PROLOOKS_TYPE_HSL);
704 double prolooks_hsl_get_hue (ProlooksHSL* self) {
706 g_return_val_if_fail (self != NULL, 0.0);
707 result = self->priv->_hue;
712 void prolooks_hsl_set_hue (ProlooksHSL* self, double value) {
713 g_return_if_fail (self != NULL);
714 self->priv->_hue = value;
718 double prolooks_hsl_get_saturation (ProlooksHSL* self) {
720 g_return_val_if_fail (self != NULL, 0.0);
721 result = self->priv->_saturation;
726 void prolooks_hsl_set_saturation (ProlooksHSL* self, double value) {
727 g_return_if_fail (self != NULL);
728 self->priv->_saturation = value;
732 double prolooks_hsl_get_lightness (ProlooksHSL* self) {
734 g_return_val_if_fail (self != NULL, 0.0);
735 result = self->priv->_lightness;
740 void prolooks_hsl_set_lightness (ProlooksHSL* self, double value) {
741 g_return_if_fail (self != NULL);
742 self->priv->_lightness = value;
746 static void prolooks_value_hsl_init (GValue* value) {
747 value->data[0].v_pointer = NULL;
751 static void prolooks_value_hsl_free_value (GValue* value) {
752 if (value->data[0].v_pointer) {
753 prolooks_hsl_unref (value->data[0].v_pointer);
758 static void prolooks_value_hsl_copy_value (const GValue* src_value, GValue* dest_value) {
759 if (src_value->data[0].v_pointer) {
760 dest_value->data[0].v_pointer = prolooks_hsl_ref (src_value->data[0].v_pointer);
762 dest_value->data[0].v_pointer = NULL;
767 static gpointer prolooks_value_hsl_peek_pointer (const GValue* value) {
768 return value->data[0].v_pointer;
772 static gchar* prolooks_value_hsl_collect_value (GValue* value, guint n_collect_values, GTypeCValue* collect_values, guint collect_flags) {
773 (void) n_collect_values;
774 (void) collect_flags;
775 if (collect_values[0].v_pointer) {
777 object = collect_values[0].v_pointer;
778 if (object->parent_instance.g_class == NULL) {
779 return g_strconcat ("invalid unclassed object pointer for value type `", G_VALUE_TYPE_NAME (value), "'", NULL);
780 } else if (!g_value_type_compatible (G_TYPE_FROM_INSTANCE (object), G_VALUE_TYPE (value))) {
781 return g_strconcat ("invalid object type `", g_type_name (G_TYPE_FROM_INSTANCE (object)), "' for value type `", G_VALUE_TYPE_NAME (value), "'", NULL);
783 value->data[0].v_pointer = prolooks_hsl_ref (object);
785 value->data[0].v_pointer = NULL;
791 static gchar* prolooks_value_hsl_lcopy_value (const GValue* value, guint n_collect_values, GTypeCValue* collect_values, guint collect_flags) {
792 ProlooksHSL** object_p;
793 (void) n_collect_values;
794 object_p = collect_values[0].v_pointer;
796 return g_strdup_printf ("value location for `%s' passed as NULL", G_VALUE_TYPE_NAME ((GValue*)value));
798 if (!value->data[0].v_pointer) {
800 } else if (collect_flags & G_VALUE_NOCOPY_CONTENTS) {
801 *object_p = value->data[0].v_pointer;
803 *object_p = prolooks_hsl_ref (value->data[0].v_pointer);
809 GParamSpec* prolooks_param_spec_hsl (const gchar* name, const gchar* nick, const gchar* blurb, GType object_type, GParamFlags flags) {
810 ProlooksParamSpecHSL* spec;
811 g_return_val_if_fail (g_type_is_a (object_type, PROLOOKS_TYPE_HSL), NULL);
812 spec = g_param_spec_internal (G_TYPE_PARAM_OBJECT, name, nick, blurb, flags);
813 G_PARAM_SPEC (spec)->value_type = object_type;
814 return G_PARAM_SPEC (spec);
818 gpointer prolooks_value_get_hsl (const GValue* value) {
819 g_return_val_if_fail (G_TYPE_CHECK_VALUE_TYPE ((GValue*)value, PROLOOKS_TYPE_HSL), NULL);
820 return value->data[0].v_pointer;
824 void prolooks_value_set_hsl (GValue* value, gpointer v_object) {
826 g_return_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, PROLOOKS_TYPE_HSL));
827 old = value->data[0].v_pointer;
829 g_return_if_fail (G_TYPE_CHECK_INSTANCE_TYPE (v_object, PROLOOKS_TYPE_HSL));
830 g_return_if_fail (g_value_type_compatible (G_TYPE_FROM_INSTANCE (v_object), G_VALUE_TYPE (value)));
831 value->data[0].v_pointer = v_object;
832 prolooks_hsl_ref (value->data[0].v_pointer);
834 value->data[0].v_pointer = NULL;
837 prolooks_hsl_unref (old);
842 void prolooks_value_take_hsl (GValue* value, gpointer v_object) {
844 g_return_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, PROLOOKS_TYPE_HSL));
845 old = value->data[0].v_pointer;
847 g_return_if_fail (G_TYPE_CHECK_INSTANCE_TYPE (v_object, PROLOOKS_TYPE_HSL));
848 g_return_if_fail (g_value_type_compatible (G_TYPE_FROM_INSTANCE (v_object), G_VALUE_TYPE (value)));
849 value->data[0].v_pointer = v_object;
851 value->data[0].v_pointer = NULL;
854 prolooks_hsl_unref (old);
858 static void prolooks_hsl_finalize (ProlooksHSL* obj) {
860 self = PROLOOKS_HSL (obj);
863 static void prolooks_hsl_class_init (ProlooksHSLClass * klass) {
864 prolooks_hsl_parent_class = g_type_class_peek_parent (klass);
865 PROLOOKS_HSL_CLASS (klass)->finalize = prolooks_hsl_finalize;
866 g_type_class_add_private (klass, sizeof (ProlooksHSLPrivate));
870 static void prolooks_hsl_instance_init (ProlooksHSL * self) {
871 self->priv = PROLOOKS_HSL_GET_PRIVATE (self);
877 GType prolooks_hsl_get_type (void) {
878 static volatile gsize prolooks_hsl_type_id__volatile = 0;
879 if (g_once_init_enter (&prolooks_hsl_type_id__volatile)) {
880 static const GTypeValueTable g_define_type_value_table = { prolooks_value_hsl_init, prolooks_value_hsl_free_value, prolooks_value_hsl_copy_value, prolooks_value_hsl_peek_pointer, "p", prolooks_value_hsl_collect_value, "p", prolooks_value_hsl_lcopy_value };
881 static const GTypeInfo g_define_type_info = { sizeof (ProlooksHSLClass), (GBaseInitFunc) NULL, (GBaseFinalizeFunc) NULL, (GClassInitFunc) prolooks_hsl_class_init, (GClassFinalizeFunc) NULL, NULL, sizeof (ProlooksHSL), 0, (GInstanceInitFunc) prolooks_hsl_instance_init, &g_define_type_value_table };
882 static const GTypeFundamentalInfo g_define_type_fundamental_info = { (G_TYPE_FLAG_CLASSED | G_TYPE_FLAG_INSTANTIATABLE | G_TYPE_FLAG_DERIVABLE | G_TYPE_FLAG_DEEP_DERIVABLE) };
883 GType prolooks_hsl_type_id;
884 prolooks_hsl_type_id = g_type_register_fundamental (g_type_fundamental_next (), "ProlooksHSL", &g_define_type_info, &g_define_type_fundamental_info, 0);
885 g_once_init_leave (&prolooks_hsl_type_id__volatile, prolooks_hsl_type_id);
887 return prolooks_hsl_type_id__volatile;
891 gpointer prolooks_hsl_ref (gpointer instance) {
894 g_atomic_int_inc (&self->ref_count);
899 void prolooks_hsl_unref (gpointer instance) {
902 if (g_atomic_int_dec_and_test (&self->ref_count)) {
903 PROLOOKS_HSL_GET_CLASS (self)->finalize (self);
904 g_type_free_instance ((GTypeInstance *) self);
909 char* prolooks_hsv_to_string (ProlooksHSV* self) {
911 g_return_val_if_fail (self != NULL, NULL);
912 result = g_strdup_printf ("HSV (%f, %f, %f)", self->priv->_hue, self->priv->_saturation, self->priv->_value);
917 ProlooksHSV* prolooks_hsv_construct_for_gdk_color (GType object_type, const GdkColor* color) {
919 self = (ProlooksHSV*) g_type_create_instance (object_type);
920 prolooks_hsv_from_gdk_color (self, color);
925 ProlooksHSV* prolooks_hsv_new_for_gdk_color (const GdkColor* color) {
926 return prolooks_hsv_construct_for_gdk_color (PROLOOKS_TYPE_HSV, color);
930 ProlooksHSV* prolooks_hsv_construct_for_cairo_color (GType object_type, CairoColor* color) {
932 g_return_val_if_fail (color != NULL, NULL);
933 self = (ProlooksHSV*) g_type_create_instance (object_type);
934 prolooks_hsv_from_cairo_color (self, color);
939 ProlooksHSV* prolooks_hsv_new_for_cairo_color (CairoColor* color) {
940 return prolooks_hsv_construct_for_cairo_color (PROLOOKS_TYPE_HSV, color);
944 CairoColor* prolooks_hsv_to_cairo_color (ProlooksHSV* self) {
945 CairoColor* result = NULL;
955 g_return_val_if_fail (self != NULL, NULL);
959 hi = (gint) prolooks_modula (floor (self->priv->_hue / 60.0), (double) 6);
960 f = (self->priv->_hue / 60.0) - floor (self->priv->_hue / 60.0);
961 p = self->priv->_value * (1.0 - self->priv->_saturation);
962 q = self->priv->_value * (1.0 - (f * self->priv->_saturation));
963 t = self->priv->_value * (1.0 - ((1.0 - f) * self->priv->_saturation));
967 r = self->priv->_value;
975 g = self->priv->_value;
982 g = self->priv->_value;
990 b = self->priv->_value;
997 b = self->priv->_value;
1002 r = self->priv->_value;
1012 color = cairo_color_new (r, g, b, 1.0);
1018 void prolooks_hsv_to_gdk_color (ProlooksHSV* self, GdkColor* result) {
1019 GdkColor _tmp1_ = {0,0,0,0};
1022 g_return_if_fail (self != NULL);
1023 *result = (_tmp2_ = (prolooks_cairo_color_to_gdk (_tmp0_ = prolooks_hsv_to_cairo_color (self), &_tmp1_), _tmp1_), _cairo_color_unref0 (_tmp0_), _tmp2_);
1028 void prolooks_hsv_from_gdk_color (ProlooksHSV* self, const GdkColor* color) {
1030 g_return_if_fail (self != NULL);
1031 prolooks_hsv_from_cairo_color (self, _tmp0_ = prolooks_gdk_color_to_cairo (color));
1032 _cairo_color_unref0 (_tmp0_);
1036 void prolooks_hsv_from_cairo_color (ProlooksHSV* self, CairoColor* color) {
1043 g_return_if_fail (self != NULL);
1044 g_return_if_fail (color != NULL);
1045 red = cairo_color_get_red (color);
1046 green = cairo_color_get_green (color);
1047 blue = cairo_color_get_blue (color);
1071 prolooks_hsv_set_value (self, max);
1072 if (fabs (max - min) < 0.0001) {
1073 prolooks_hsv_set_hue (self, 0.0);
1074 prolooks_hsv_set_saturation (self, 0.0);
1077 prolooks_hsv_set_saturation (self, (double) 0);
1079 prolooks_hsv_set_saturation (self, (max - min) / max);
1083 prolooks_hsv_set_hue (self, (green - blue) / delta);
1086 prolooks_hsv_set_hue (self, 2.0 + ((blue - red) / delta));
1089 prolooks_hsv_set_hue (self, 4.0 + ((red - green) / delta));
1093 prolooks_hsv_set_hue (self, self->priv->_hue * 60.0);
1094 if (self->priv->_hue < 0.0) {
1095 prolooks_hsv_set_hue (self, self->priv->_hue + 360.0);
1101 ProlooksHSV* prolooks_hsv_construct (GType object_type) {
1103 self = (ProlooksHSV*) g_type_create_instance (object_type);
1108 ProlooksHSV* prolooks_hsv_new (void) {
1109 return prolooks_hsv_construct (PROLOOKS_TYPE_HSV);
1113 double prolooks_hsv_get_hue (ProlooksHSV* self) {
1115 g_return_val_if_fail (self != NULL, 0.0);
1116 result = self->priv->_hue;
1121 void prolooks_hsv_set_hue (ProlooksHSV* self, double value) {
1122 g_return_if_fail (self != NULL);
1123 self->priv->_hue = value;
1127 double prolooks_hsv_get_saturation (ProlooksHSV* self) {
1129 g_return_val_if_fail (self != NULL, 0.0);
1130 result = self->priv->_saturation;
1135 void prolooks_hsv_set_saturation (ProlooksHSV* self, double value) {
1136 g_return_if_fail (self != NULL);
1137 self->priv->_saturation = value;
1141 double prolooks_hsv_get_value (ProlooksHSV* self) {
1143 g_return_val_if_fail (self != NULL, 0.0);
1144 result = self->priv->_value;
1149 void prolooks_hsv_set_value (ProlooksHSV* self, double value) {
1150 g_return_if_fail (self != NULL);
1151 self->priv->_value = value;
1155 static void prolooks_value_hsv_init (GValue* value) {
1156 value->data[0].v_pointer = NULL;
1160 static void prolooks_value_hsv_free_value (GValue* value) {
1161 if (value->data[0].v_pointer) {
1162 prolooks_hsv_unref (value->data[0].v_pointer);
1167 static void prolooks_value_hsv_copy_value (const GValue* src_value, GValue* dest_value) {
1168 if (src_value->data[0].v_pointer) {
1169 dest_value->data[0].v_pointer = prolooks_hsv_ref (src_value->data[0].v_pointer);
1171 dest_value->data[0].v_pointer = NULL;
1176 static gpointer prolooks_value_hsv_peek_pointer (const GValue* value) {
1177 return value->data[0].v_pointer;
1181 static gchar* prolooks_value_hsv_collect_value (GValue* value, guint n_collect_values, GTypeCValue* collect_values, guint collect_flags) {
1182 (void) collect_flags;
1183 (void) n_collect_values;
1184 if (collect_values[0].v_pointer) {
1185 ProlooksHSV* object;
1186 object = collect_values[0].v_pointer;
1187 if (object->parent_instance.g_class == NULL) {
1188 return g_strconcat ("invalid unclassed object pointer for value type `", G_VALUE_TYPE_NAME (value), "'", NULL);
1189 } else if (!g_value_type_compatible (G_TYPE_FROM_INSTANCE (object), G_VALUE_TYPE (value))) {
1190 return g_strconcat ("invalid object type `", g_type_name (G_TYPE_FROM_INSTANCE (object)), "' for value type `", G_VALUE_TYPE_NAME (value), "'", NULL);
1192 value->data[0].v_pointer = prolooks_hsv_ref (object);
1194 value->data[0].v_pointer = NULL;
1200 static gchar* prolooks_value_hsv_lcopy_value (const GValue* value, guint n_collect_values, GTypeCValue* collect_values, guint collect_flags) {
1201 ProlooksHSV** object_p;
1202 (void) n_collect_values;
1203 object_p = collect_values[0].v_pointer;
1205 return g_strdup_printf ("value location for `%s' passed as NULL", G_VALUE_TYPE_NAME ((GValue*)value));
1207 if (!value->data[0].v_pointer) {
1209 } else if (collect_flags & G_VALUE_NOCOPY_CONTENTS) {
1210 *object_p = value->data[0].v_pointer;
1212 *object_p = prolooks_hsv_ref (value->data[0].v_pointer);
1218 GParamSpec* prolooks_param_spec_hsv (const gchar* name, const gchar* nick, const gchar* blurb, GType object_type, GParamFlags flags) {
1219 ProlooksParamSpecHSV* spec;
1220 g_return_val_if_fail (g_type_is_a (object_type, PROLOOKS_TYPE_HSV), NULL);
1221 spec = g_param_spec_internal (G_TYPE_PARAM_OBJECT, name, nick, blurb, flags);
1222 G_PARAM_SPEC (spec)->value_type = object_type;
1223 return G_PARAM_SPEC (spec);
1227 gpointer prolooks_value_get_hsv (const GValue* value) {
1228 g_return_val_if_fail (G_TYPE_CHECK_VALUE_TYPE ((GValue*) value, PROLOOKS_TYPE_HSV), NULL);
1229 return value->data[0].v_pointer;
1233 void prolooks_value_set_hsv (GValue* value, gpointer v_object) {
1235 g_return_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, PROLOOKS_TYPE_HSV));
1236 old = value->data[0].v_pointer;
1238 g_return_if_fail (G_TYPE_CHECK_INSTANCE_TYPE (v_object, PROLOOKS_TYPE_HSV));
1239 g_return_if_fail (g_value_type_compatible (G_TYPE_FROM_INSTANCE (v_object), G_VALUE_TYPE (value)));
1240 value->data[0].v_pointer = v_object;
1241 prolooks_hsv_ref (value->data[0].v_pointer);
1243 value->data[0].v_pointer = NULL;
1246 prolooks_hsv_unref (old);
1251 void prolooks_value_take_hsv (GValue* value, gpointer v_object) {
1253 g_return_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, PROLOOKS_TYPE_HSV));
1254 old = value->data[0].v_pointer;
1256 g_return_if_fail (G_TYPE_CHECK_INSTANCE_TYPE (v_object, PROLOOKS_TYPE_HSV));
1257 g_return_if_fail (g_value_type_compatible (G_TYPE_FROM_INSTANCE (v_object), G_VALUE_TYPE (value)));
1258 value->data[0].v_pointer = v_object;
1260 value->data[0].v_pointer = NULL;
1263 prolooks_hsv_unref (old);
1267 static void prolooks_hsv_finalize (ProlooksHSV* obj) {
1269 self = PROLOOKS_HSV (obj);
1272 static void prolooks_hsv_class_init (ProlooksHSVClass * klass) {
1273 prolooks_hsv_parent_class = g_type_class_peek_parent (klass);
1274 PROLOOKS_HSV_CLASS (klass)->finalize = prolooks_hsv_finalize;
1275 g_type_class_add_private (klass, sizeof (ProlooksHSVPrivate));
1279 static void prolooks_hsv_instance_init (ProlooksHSV * self) {
1280 self->priv = PROLOOKS_HSV_GET_PRIVATE (self);
1281 self->ref_count = 1;
1284 GType prolooks_hsv_get_type (void) {
1285 static volatile gsize prolooks_hsv_type_id__volatile = 0;
1286 if (g_once_init_enter (&prolooks_hsv_type_id__volatile)) {
1287 static const GTypeValueTable g_define_type_value_table = { prolooks_value_hsv_init, prolooks_value_hsv_free_value, prolooks_value_hsv_copy_value, prolooks_value_hsv_peek_pointer, "p", prolooks_value_hsv_collect_value, "p", prolooks_value_hsv_lcopy_value };
1288 static const GTypeInfo g_define_type_info = { sizeof (ProlooksHSVClass), (GBaseInitFunc) NULL, (GBaseFinalizeFunc) NULL, (GClassInitFunc) prolooks_hsv_class_init, (GClassFinalizeFunc) NULL, NULL, sizeof (ProlooksHSV), 0, (GInstanceInitFunc) prolooks_hsv_instance_init, &g_define_type_value_table };
1289 static const GTypeFundamentalInfo g_define_type_fundamental_info = { (G_TYPE_FLAG_CLASSED | G_TYPE_FLAG_INSTANTIATABLE | G_TYPE_FLAG_DERIVABLE | G_TYPE_FLAG_DEEP_DERIVABLE) };
1290 GType prolooks_hsv_type_id;
1291 prolooks_hsv_type_id = g_type_register_fundamental (g_type_fundamental_next (), "ProlooksHSV", &g_define_type_info, &g_define_type_fundamental_info, 0);
1292 g_once_init_leave (&prolooks_hsv_type_id__volatile, prolooks_hsv_type_id);
1294 return prolooks_hsv_type_id__volatile;
1298 gpointer prolooks_hsv_ref (gpointer instance) {
1301 g_atomic_int_inc (&self->ref_count);
1306 void prolooks_hsv_unref (gpointer instance) {
1309 if (g_atomic_int_dec_and_test (&self->ref_count)) {
1310 PROLOOKS_HSV_GET_CLASS (self)->finalize (self);
1311 g_type_free_instance ((GTypeInstance *) self);
1316 void prolooks_shade_color (const GdkColor* orig, double shade_ratio, GdkColor* result) {
1318 GdkColor _tmp0_ = {0,0,0,0};
1320 HSL = prolooks_hsl_new ();
1321 prolooks_hsl_from_gdk_color (HSL, orig);
1322 prolooks_hsl_set_lightness (HSL, fmin (prolooks_hsl_get_lightness (HSL) * shade_ratio, 1.0));
1323 prolooks_hsl_set_lightness (HSL, fmax (prolooks_hsl_get_lightness (HSL), 0.0));
1324 prolooks_hsl_set_saturation (HSL, fmin (prolooks_hsl_get_saturation (HSL) * shade_ratio, 1.0));
1325 prolooks_hsl_set_saturation (HSL, fmax (prolooks_hsl_get_saturation (HSL), 0.0));
1326 _result_ = (prolooks_hsl_to_gdk_color (HSL, &_tmp0_), _tmp0_);
1328 _prolooks_hsl_unref0 (HSL);
1333 GdkPixbuf* prolooks_cairo_image_surface_to_pixbuf (cairo_surface_t* surface) {
1334 GdkPixbuf* result = NULL;
1337 g_return_val_if_fail (surface != NULL, NULL);
1338 if (cairo_image_surface_get_format (surface) != CAIRO_FORMAT_ARGB32) {
1342 knob_data = (_tmp0_ = cairo_image_surface_get_data (surface), _tmp0_);
1358 if (!(i < (cairo_image_surface_get_height (surface) * cairo_image_surface_get_stride (surface)))) {
1361 r = knob_data[i + 0];
1362 g = knob_data[i + 1];
1363 b = knob_data[i + 2];
1364 a = knob_data[i + 3];
1365 knob_data[i + 0] = b;
1366 knob_data[i + 1] = g;
1367 knob_data[i + 2] = r;
1368 knob_data[i + 3] = a;
1372 result = gdk_pixbuf_new_from_data (knob_data, GDK_COLORSPACE_RGB, TRUE, 8, cairo_image_surface_get_width (surface), cairo_image_surface_get_height (surface), cairo_image_surface_get_stride (surface), NULL, NULL);