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 CairoColor* cairo_color_construct (GType object_type, double red, double green, double blue, double alpha) {
13 self = (CairoColor*) g_type_create_instance (object_type);
14 cairo_color_set_red (self, red);
15 cairo_color_set_green (self, green);
16 cairo_color_set_blue (self, blue);
17 cairo_color_set_alpha (self, alpha);
22 CairoColor* cairo_color_new (double red, double green, double blue, double alpha) {
23 return cairo_color_construct (CAIRO_TYPE_COLOR, red, green, blue, alpha);
27 CairoColor* cairo_color_copy (CairoColor* self) {
28 CairoColor* result = NULL;
29 g_return_val_if_fail (self != NULL, NULL);
30 result = cairo_color_new (self->priv->_red, self->priv->_green, self->priv->_blue, self->priv->_alpha);
35 CairoColor* cairo_color_construct_from_string (GType object_type, const char* webcolor) {
37 g_return_val_if_fail (webcolor != NULL, NULL);
38 self = (CairoColor*) g_type_create_instance (object_type);
39 cairo_color_set_from_string (self, webcolor);
44 CairoColor* cairo_color_new_from_string (const char* webcolor) {
45 return cairo_color_construct_from_string (CAIRO_TYPE_COLOR, webcolor);
49 CairoColor* cairo_color_shade (CairoColor* self, double shade_factor) {
50 CairoColor* result = NULL;
52 g_return_val_if_fail (self != NULL, NULL);
53 hsl = prolooks_hsl_new ();
54 prolooks_hsl_from_cairo_color (hsl, self);
55 prolooks_hsl_set_lightness (hsl, fmin (prolooks_hsl_get_lightness (hsl) * shade_factor, 1.0));
56 prolooks_hsl_set_lightness (hsl, fmax (prolooks_hsl_get_lightness (hsl), 0.0));
57 prolooks_hsl_set_saturation (hsl, fmin (prolooks_hsl_get_saturation (hsl) * shade_factor, 1.0));
58 prolooks_hsl_set_saturation (hsl, fmax (prolooks_hsl_get_saturation (hsl), 0.0));
59 result = prolooks_hsl_to_cairo_color (hsl);
60 _prolooks_hsl_unref0 (hsl);
65 void cairo_color_set_to (CairoColor* self, CairoColor* a_color) {
66 g_return_if_fail (self != NULL);
67 g_return_if_fail (a_color != NULL);
68 cairo_color_set_red (self, a_color->priv->_red);
69 cairo_color_set_green (self, a_color->priv->_green);
70 cairo_color_set_blue (self, a_color->priv->_blue);
71 cairo_color_set_alpha (self, a_color->priv->_alpha);
75 void cairo_color_set_as_source_in (CairoColor* self, cairo_t* cr) {
76 g_return_if_fail (self != NULL);
77 g_return_if_fail (cr != NULL);
78 cairo_set_source_rgba (cr, self->priv->_red, self->priv->_green, self->priv->_blue, self->priv->_alpha);
82 void cairo_color_add_color_stop_to (CairoColor* self, cairo_pattern_t* p, double offset) {
83 g_return_if_fail (self != NULL);
84 g_return_if_fail (p != NULL);
85 cairo_pattern_add_color_stop_rgba (p, offset, self->priv->_red, self->priv->_green, self->priv->_blue, self->priv->_alpha);
89 void cairo_color_set_from_string (CairoColor* self, const char* webcolor) {
92 GdkColor _tmp0_ = {0,0,0,0};
93 g_return_if_fail (self != NULL);
94 g_return_if_fail (webcolor != NULL);
95 cairo_color_set_to (self, _tmp2_ = prolooks_gdk_color_to_cairo ((_tmp1_ = (prolooks_color_from_string (webcolor, &_tmp0_), _tmp0_), &_tmp1_)));
96 _cairo_color_unref0 (_tmp2_);
100 double cairo_color_get_red (CairoColor* self) {
102 g_return_val_if_fail (self != NULL, 0.0);
103 result = self->priv->_red;
108 void cairo_color_set_red (CairoColor* self, double value) {
109 g_return_if_fail (self != NULL);
110 self->priv->_red = value;
114 double cairo_color_get_green (CairoColor* self) {
116 g_return_val_if_fail (self != NULL, 0.0);
117 result = self->priv->_green;
122 void cairo_color_set_green (CairoColor* self, double value) {
123 g_return_if_fail (self != NULL);
124 self->priv->_green = value;
128 double cairo_color_get_blue (CairoColor* self) {
130 g_return_val_if_fail (self != NULL, 0.0);
131 result = self->priv->_blue;
136 void cairo_color_set_blue (CairoColor* self, double value) {
137 g_return_if_fail (self != NULL);
138 self->priv->_blue = value;
142 double cairo_color_get_alpha (CairoColor* self) {
144 g_return_val_if_fail (self != NULL, 0.0);
145 result = self->priv->_alpha;
150 void cairo_color_set_alpha (CairoColor* self, double value) {
151 g_return_if_fail (self != NULL);
152 self->priv->_alpha = value;
156 static void cairo_value_color_init (GValue* value) {
157 value->data[0].v_pointer = NULL;
161 static void cairo_value_color_free_value (GValue* value) {
162 if (value->data[0].v_pointer) {
163 cairo_color_unref (value->data[0].v_pointer);
168 static void cairo_value_color_copy_value (const GValue* src_value, GValue* dest_value) {
169 if (src_value->data[0].v_pointer) {
170 dest_value->data[0].v_pointer = cairo_color_ref (src_value->data[0].v_pointer);
172 dest_value->data[0].v_pointer = NULL;
177 static gpointer cairo_value_color_peek_pointer (const GValue* value) {
178 return value->data[0].v_pointer;
182 static gchar* cairo_value_color_collect_value (GValue* value, guint n_collect_values, GTypeCValue* collect_values, guint collect_flags) {
183 if (collect_values[0].v_pointer) {
185 object = collect_values[0].v_pointer;
186 if (object->parent_instance.g_class == NULL) {
187 return g_strconcat ("invalid unclassed object pointer for value type `", G_VALUE_TYPE_NAME (value), "'", NULL);
188 } else if (!g_value_type_compatible (G_TYPE_FROM_INSTANCE (object), G_VALUE_TYPE (value))) {
189 return g_strconcat ("invalid object type `", g_type_name (G_TYPE_FROM_INSTANCE (object)), "' for value type `", G_VALUE_TYPE_NAME (value), "'", NULL);
191 value->data[0].v_pointer = cairo_color_ref (object);
193 value->data[0].v_pointer = NULL;
199 static gchar* cairo_value_color_lcopy_value (const GValue* value, guint n_collect_values, GTypeCValue* collect_values, guint collect_flags) {
200 CairoColor** object_p;
201 object_p = collect_values[0].v_pointer;
203 return g_strdup_printf ("value location for `%s' passed as NULL", G_VALUE_TYPE_NAME (value));
205 if (!value->data[0].v_pointer) {
207 } else if (collect_flags && G_VALUE_NOCOPY_CONTENTS) {
208 *object_p = value->data[0].v_pointer;
210 *object_p = cairo_color_ref (value->data[0].v_pointer);
216 GParamSpec* cairo_param_spec_color (const gchar* name, const gchar* nick, const gchar* blurb, GType object_type, GParamFlags flags) {
217 CairoParamSpecColor* spec;
218 g_return_val_if_fail (g_type_is_a (object_type, CAIRO_TYPE_COLOR), NULL);
219 spec = g_param_spec_internal (G_TYPE_PARAM_OBJECT, name, nick, blurb, flags);
220 G_PARAM_SPEC (spec)->value_type = object_type;
221 return G_PARAM_SPEC (spec);
225 gpointer cairo_value_get_color (const GValue* value) {
226 g_return_val_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, CAIRO_TYPE_COLOR), NULL);
227 return value->data[0].v_pointer;
231 void cairo_value_set_color (GValue* value, gpointer v_object) {
233 g_return_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, CAIRO_TYPE_COLOR));
234 old = value->data[0].v_pointer;
236 g_return_if_fail (G_TYPE_CHECK_INSTANCE_TYPE (v_object, CAIRO_TYPE_COLOR));
237 g_return_if_fail (g_value_type_compatible (G_TYPE_FROM_INSTANCE (v_object), G_VALUE_TYPE (value)));
238 value->data[0].v_pointer = v_object;
239 cairo_color_ref (value->data[0].v_pointer);
241 value->data[0].v_pointer = NULL;
244 cairo_color_unref (old);
249 void cairo_value_take_color (GValue* value, gpointer v_object) {
251 g_return_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, CAIRO_TYPE_COLOR));
252 old = value->data[0].v_pointer;
254 g_return_if_fail (G_TYPE_CHECK_INSTANCE_TYPE (v_object, CAIRO_TYPE_COLOR));
255 g_return_if_fail (g_value_type_compatible (G_TYPE_FROM_INSTANCE (v_object), G_VALUE_TYPE (value)));
256 value->data[0].v_pointer = v_object;
258 value->data[0].v_pointer = NULL;
261 cairo_color_unref (old);
266 static void cairo_color_class_init (CairoColorClass * klass) {
267 cairo_color_parent_class = g_type_class_peek_parent (klass);
268 CAIRO_COLOR_CLASS (klass)->finalize = cairo_color_finalize;
269 g_type_class_add_private (klass, sizeof (CairoColorPrivate));
273 static void cairo_color_instance_init (CairoColor * self) {
274 self->priv = CAIRO_COLOR_GET_PRIVATE (self);
279 static void cairo_color_finalize (CairoColor* obj) {
281 self = CAIRO_COLOR (obj);
285 GType cairo_color_get_type (void) {
286 static volatile gsize cairo_color_type_id__volatile = 0;
287 if (g_once_init_enter (&cairo_color_type_id__volatile)) {
288 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 };
289 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 };
290 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) };
291 GType cairo_color_type_id;
292 cairo_color_type_id = g_type_register_fundamental (g_type_fundamental_next (), "CairoColor", &g_define_type_info, &g_define_type_fundamental_info, 0);
293 g_once_init_leave (&cairo_color_type_id__volatile, cairo_color_type_id);
295 return cairo_color_type_id__volatile;
299 gpointer cairo_color_ref (gpointer instance) {
302 g_atomic_int_inc (&self->ref_count);
307 void cairo_color_unref (gpointer instance) {
310 if (g_atomic_int_dec_and_test (&self->ref_count)) {
311 CAIRO_COLOR_GET_CLASS (self)->finalize (self);
312 g_type_free_instance ((GTypeInstance *) self);
317 GType prolooks_button_state_get_type (void) {
318 static volatile gsize prolooks_button_state_type_id__volatile = 0;
319 if (g_once_init_enter (&prolooks_button_state_type_id__volatile)) {
320 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}};
321 GType prolooks_button_state_type_id;
322 prolooks_button_state_type_id = g_enum_register_static ("ProlooksButtonState", values);
323 g_once_init_leave (&prolooks_button_state_type_id__volatile, prolooks_button_state_type_id);
325 return prolooks_button_state_type_id__volatile;
329 GType prolooks_button_type_get_type (void) {
330 static volatile gsize prolooks_button_type_type_id__volatile = 0;
331 if (g_once_init_enter (&prolooks_button_type_type_id__volatile)) {
332 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}};
333 GType prolooks_button_type_type_id;
334 prolooks_button_type_type_id = g_enum_register_static ("ProlooksButtonType", values);
335 g_once_init_leave (&prolooks_button_type_type_id__volatile, prolooks_button_type_type_id);
337 return prolooks_button_type_type_id__volatile;
341 void prolooks_set_line_width_from_device (cairo_t* cr) {
344 g_return_if_fail (cr != NULL);
347 cairo_device_to_user (cr, &ux, &uy);
351 cairo_set_line_width (cr, ux);
355 void prolooks_color_from_string (const char* webcolor, GdkColor* result) {
356 GdkColor color = {0,0,0,0};
357 g_return_if_fail (webcolor != NULL);
358 gdk_color_parse (webcolor, &color);
364 char* prolooks_color_to_string (const GdkColor* color) {
367 scale = G_MAXUINT16 / G_MAXUINT8;
368 result = g_strdup_printf ("#%02x%02x%02x", (guint) ((*color).red / scale), (guint) ((*color).green / scale), (guint) ((*color).blue / scale));
373 CairoColor* prolooks_cairo_color_from_string (const char* webcolor) {
374 CairoColor* result = NULL;
376 GdkColor _tmp0_ = {0,0,0,0};
377 g_return_val_if_fail (webcolor != NULL, NULL);
378 result = prolooks_gdk_color_to_cairo ((_tmp1_ = (prolooks_color_from_string (webcolor, &_tmp0_), _tmp0_), &_tmp1_));
383 void prolooks_set_source_color (cairo_t* cr, const GdkColor* color, double alpha) {
384 g_return_if_fail (cr != NULL);
385 cairo_set_source_rgba (cr, ((double) (*color).red) / ((double) G_MAXUINT16), ((double) (*color).green) / ((double) G_MAXUINT16), ((double) (*color).blue) / ((double) G_MAXUINT16), alpha);
389 void prolooks_gdk_color_to_cairo_color (const GdkColor* color, double* red, double* green, double* blue) {
390 *red = ((double) (*color).red) / ((double) G_MAXUINT16);
391 *green = ((double) (*color).green) / ((double) G_MAXUINT16);
392 *blue = ((double) (*color).blue) / ((double) G_MAXUINT16);
396 CairoColor* prolooks_gdk_color_to_cairo (const GdkColor* color) {
397 CairoColor* result = NULL;
404 prolooks_gdk_color_to_cairo_color (color, &r, &g, &b);
405 result = cairo_color_new (r, g, b, 1.0);
410 void prolooks_cairo_color_to_gdk (CairoColor* cairo_color, GdkColor* result) {
411 GdkColor color = {0,0,0,0};
412 g_return_if_fail (cairo_color != NULL);
413 memset (&color, 0, sizeof (GdkColor));
414 color.red = (guint16) (cairo_color_get_red (cairo_color) * ((double) G_MAXUINT16));
415 color.green = (guint16) (cairo_color_get_green (cairo_color) * ((double) G_MAXUINT16));
416 color.blue = (guint16) (cairo_color_get_blue (cairo_color) * ((double) G_MAXUINT16));
422 void prolooks_set_source_color_string (cairo_t* cr, const char* color, double alpha) {
424 GdkColor _tmp0_ = {0,0,0,0};
425 g_return_if_fail (cr != NULL);
426 g_return_if_fail (color != NULL);
427 prolooks_set_source_color (cr, (_tmp1_ = (prolooks_color_from_string (color, &_tmp0_), _tmp0_), &_tmp1_), alpha);
431 void prolooks_add_color_stop (cairo_pattern_t* p, double offset, const GdkColor* color, double alpha) {
432 g_return_if_fail (p != NULL);
433 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);
437 void prolooks_add_color_stop_str (cairo_pattern_t* p, double offset, const char* color, double alpha) {
439 GdkColor _tmp0_ = {0,0,0,0};
440 g_return_if_fail (p != NULL);
441 g_return_if_fail (color != NULL);
442 prolooks_add_color_stop (p, offset, (_tmp1_ = (prolooks_color_from_string (color, &_tmp0_), _tmp0_), &_tmp1_), alpha);
446 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) {
447 cairo_pattern_t* result = NULL;
448 cairo_pattern_t* gradient;
449 gradient = cairo_pattern_create_linear (x1, y1, x2, y2);
450 prolooks_add_color_stop (gradient, (double) 0, start, alpha_start);
451 prolooks_add_color_stop (gradient, (double) 1, stop, alpha_stop);
457 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) {
458 cairo_pattern_t* result = NULL;
461 GdkColor _tmp1_ = {0,0,0,0};
462 GdkColor _tmp0_ = {0,0,0,0};
463 g_return_val_if_fail (start != NULL, NULL);
464 g_return_val_if_fail (stop != NULL, NULL);
465 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);
470 void prolooks_rounded_rect (cairo_t* cr, double x, double y, double w, double h, double radius_x, double radius_y) {
471 double ARC_TO_BEZIER;
474 g_return_if_fail (cr != NULL);
475 ARC_TO_BEZIER = 0.55228475;
476 if (radius_x > (w - radius_x)) {
479 if (radius_y > (h - radius_y)) {
482 c1 = ARC_TO_BEZIER * radius_x;
483 c2 = ARC_TO_BEZIER * radius_y;
485 cairo_move_to (cr, x + radius_x, y);
486 cairo_rel_line_to (cr, w - (2 * radius_x), 0.0);
487 cairo_rel_curve_to (cr, c1, 0.0, radius_x, c2, radius_x, radius_y);
488 cairo_rel_line_to (cr, (double) 0, h - (2 * radius_y));
489 cairo_rel_curve_to (cr, 0.0, c2, c1 - radius_x, radius_y, -radius_x, radius_y);
490 cairo_rel_line_to (cr, (-w) + (2 * radius_x), (double) 0);
491 cairo_rel_curve_to (cr, -c1, (double) 0, -radius_x, -c2, -radius_x, -radius_y);
492 cairo_rel_line_to (cr, (double) 0, (-h) + (2 * radius_y));
493 cairo_rel_curve_to (cr, 0.0, -c2, radius_x - c1, -radius_y, radius_x, -radius_y);
494 cairo_close_path (cr);
498 void prolooks_background_gradient (cairo_t* cr, double w, double h) {
499 GdkColor background_gradient_start = {0,0,0,0};
500 GdkColor background_gradient_stop = {0,0,0,0};
501 cairo_pattern_t* background_gradient;
502 g_return_if_fail (cr != NULL);
503 gdk_color_parse ("#bebdc2", &background_gradient_start);
504 gdk_color_parse ("#b1b4b9", &background_gradient_stop);
505 cairo_rectangle (cr, (double) 0, (double) 0, w, h);
506 background_gradient = cairo_pattern_create_linear ((double) 0, (double) 0, (double) 0, h);
507 prolooks_add_color_stop (background_gradient, (double) 0, &background_gradient_start, 1.0);
508 prolooks_add_color_stop (background_gradient, (double) 1, &background_gradient_stop, 1.0);
509 cairo_set_source (cr, background_gradient);
511 _cairo_pattern_destroy0 (background_gradient);
515 double prolooks_modula (double number, double divisor) {
517 result = (((gint) number) % ((gint) divisor)) + (number - ((gint) number));
522 char* prolooks_hsl_to_string (ProlooksHSL* self) {
524 g_return_val_if_fail (self != NULL, NULL);
525 result = g_strdup_printf ("HSL (%f, %f, %f)", self->priv->_hue, self->priv->_saturation, self->priv->_lightness);
530 CairoColor* prolooks_hsl_to_cairo_color (ProlooksHSL* self) {
531 CairoColor* result = NULL;
534 gint _hue_shift_size_;
535 gint hue_shift_length1;
538 gint _color_shift_size_;
539 gint color_shift_length1;
546 g_return_val_if_fail (self != NULL, NULL);
547 hue_shift = (_tmp0_ = g_new0 (double, 3), hue_shift_length1 = 3, _hue_shift_size_ = hue_shift_length1, _tmp0_);
548 color_shift = (_tmp1_ = g_new0 (double, 3), color_shift_length1 = 3, _color_shift_size_ = color_shift_length1, _tmp1_);
549 if (self->priv->_lightness <= 0.5) {
550 m2 = self->priv->_lightness * (1 + self->priv->_saturation);
552 m2 = (self->priv->_lightness + self->priv->_saturation) - (self->priv->_lightness * self->priv->_saturation);
554 m1 = (2 * self->priv->_lightness) - m2;
555 hue_shift[0] = self->priv->_hue + 120;
556 hue_shift[1] = self->priv->_hue;
557 hue_shift[2] = self->priv->_hue - 120;
558 color_shift[0] = color_shift[1] = color_shift[2] = self->priv->_lightness;
559 if (self->priv->_saturation == 0) {
578 m3 = prolooks_modula (m3, (double) 360);
581 m3 = 360 - prolooks_modula (fabs (m3), (double) 360);
585 color_shift[i] = m1 + (((m2 - m1) * m3) / 60.0);
591 color_shift[i] = m1 + (((m2 - m1) * (240 - m3)) / 60.0);
599 color = cairo_color_new (color_shift[0], color_shift[1], color_shift[2], 1.0);
601 hue_shift = (g_free (hue_shift), NULL);
602 color_shift = (g_free (color_shift), NULL);
607 void prolooks_hsl_to_gdk_color (ProlooksHSL* self, GdkColor* result) {
608 GdkColor _tmp1_ = {0,0,0,0};
611 g_return_if_fail (self != NULL);
612 *result = (_tmp2_ = (prolooks_cairo_color_to_gdk (_tmp0_ = prolooks_hsl_to_cairo_color (self), &_tmp1_), _tmp1_), _cairo_color_unref0 (_tmp0_), _tmp2_);
617 void prolooks_hsl_from_gdk_color (ProlooksHSL* self, const GdkColor* color) {
619 g_return_if_fail (self != NULL);
620 prolooks_hsl_from_cairo_color (self, _tmp0_ = prolooks_gdk_color_to_cairo (color));
621 _cairo_color_unref0 (_tmp0_);
625 void prolooks_hsl_from_cairo_color (ProlooksHSL* self, CairoColor* color) {
632 g_return_if_fail (self != NULL);
633 g_return_if_fail (color != NULL);
634 red = cairo_color_get_red (color);
635 green = cairo_color_get_green (color);
636 blue = cairo_color_get_blue (color);
660 prolooks_hsl_set_lightness (self, (max + min) / 2.0);
661 if (fabs (max - min) < 0.0001) {
662 prolooks_hsl_set_hue (self, 0.0);
663 prolooks_hsl_set_saturation (self, 0.0);
665 if (self->priv->_lightness <= 0.5) {
666 prolooks_hsl_set_saturation (self, (max - min) / (max + min));
668 prolooks_hsl_set_saturation (self, (max - min) / ((2.0 - max) - min));
672 prolooks_hsl_set_hue (self, (green - blue) / delta);
675 prolooks_hsl_set_hue (self, 2.0 + ((blue - red) / delta));
678 prolooks_hsl_set_hue (self, 4.0 + ((red - green) / delta));
682 prolooks_hsl_set_hue (self, self->priv->_hue * 60.0);
683 if (self->priv->_hue < 0.0) {
684 prolooks_hsl_set_hue (self, self->priv->_hue + 360.0);
690 ProlooksHSL* prolooks_hsl_construct (GType object_type) {
692 self = (ProlooksHSL*) g_type_create_instance (object_type);
697 ProlooksHSL* prolooks_hsl_new (void) {
698 return prolooks_hsl_construct (PROLOOKS_TYPE_HSL);
702 double prolooks_hsl_get_hue (ProlooksHSL* self) {
704 g_return_val_if_fail (self != NULL, 0.0);
705 result = self->priv->_hue;
710 void prolooks_hsl_set_hue (ProlooksHSL* self, double value) {
711 g_return_if_fail (self != NULL);
712 self->priv->_hue = value;
716 double prolooks_hsl_get_saturation (ProlooksHSL* self) {
718 g_return_val_if_fail (self != NULL, 0.0);
719 result = self->priv->_saturation;
724 void prolooks_hsl_set_saturation (ProlooksHSL* self, double value) {
725 g_return_if_fail (self != NULL);
726 self->priv->_saturation = value;
730 double prolooks_hsl_get_lightness (ProlooksHSL* self) {
732 g_return_val_if_fail (self != NULL, 0.0);
733 result = self->priv->_lightness;
738 void prolooks_hsl_set_lightness (ProlooksHSL* self, double value) {
739 g_return_if_fail (self != NULL);
740 self->priv->_lightness = value;
744 static void prolooks_value_hsl_init (GValue* value) {
745 value->data[0].v_pointer = NULL;
749 static void prolooks_value_hsl_free_value (GValue* value) {
750 if (value->data[0].v_pointer) {
751 prolooks_hsl_unref (value->data[0].v_pointer);
756 static void prolooks_value_hsl_copy_value (const GValue* src_value, GValue* dest_value) {
757 if (src_value->data[0].v_pointer) {
758 dest_value->data[0].v_pointer = prolooks_hsl_ref (src_value->data[0].v_pointer);
760 dest_value->data[0].v_pointer = NULL;
765 static gpointer prolooks_value_hsl_peek_pointer (const GValue* value) {
766 return value->data[0].v_pointer;
770 static gchar* prolooks_value_hsl_collect_value (GValue* value, guint n_collect_values, GTypeCValue* collect_values, guint collect_flags) {
771 if (collect_values[0].v_pointer) {
773 object = collect_values[0].v_pointer;
774 if (object->parent_instance.g_class == NULL) {
775 return g_strconcat ("invalid unclassed object pointer for value type `", G_VALUE_TYPE_NAME (value), "'", NULL);
776 } else if (!g_value_type_compatible (G_TYPE_FROM_INSTANCE (object), G_VALUE_TYPE (value))) {
777 return g_strconcat ("invalid object type `", g_type_name (G_TYPE_FROM_INSTANCE (object)), "' for value type `", G_VALUE_TYPE_NAME (value), "'", NULL);
779 value->data[0].v_pointer = prolooks_hsl_ref (object);
781 value->data[0].v_pointer = NULL;
787 static gchar* prolooks_value_hsl_lcopy_value (const GValue* value, guint n_collect_values, GTypeCValue* collect_values, guint collect_flags) {
788 ProlooksHSL** object_p;
789 object_p = collect_values[0].v_pointer;
791 return g_strdup_printf ("value location for `%s' passed as NULL", G_VALUE_TYPE_NAME (value));
793 if (!value->data[0].v_pointer) {
795 } else if (collect_flags && G_VALUE_NOCOPY_CONTENTS) {
796 *object_p = value->data[0].v_pointer;
798 *object_p = prolooks_hsl_ref (value->data[0].v_pointer);
804 GParamSpec* prolooks_param_spec_hsl (const gchar* name, const gchar* nick, const gchar* blurb, GType object_type, GParamFlags flags) {
805 ProlooksParamSpecHSL* spec;
806 g_return_val_if_fail (g_type_is_a (object_type, PROLOOKS_TYPE_HSL), NULL);
807 spec = g_param_spec_internal (G_TYPE_PARAM_OBJECT, name, nick, blurb, flags);
808 G_PARAM_SPEC (spec)->value_type = object_type;
809 return G_PARAM_SPEC (spec);
813 gpointer prolooks_value_get_hsl (const GValue* value) {
814 g_return_val_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, PROLOOKS_TYPE_HSL), NULL);
815 return value->data[0].v_pointer;
819 void prolooks_value_set_hsl (GValue* value, gpointer v_object) {
821 g_return_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, PROLOOKS_TYPE_HSL));
822 old = value->data[0].v_pointer;
824 g_return_if_fail (G_TYPE_CHECK_INSTANCE_TYPE (v_object, PROLOOKS_TYPE_HSL));
825 g_return_if_fail (g_value_type_compatible (G_TYPE_FROM_INSTANCE (v_object), G_VALUE_TYPE (value)));
826 value->data[0].v_pointer = v_object;
827 prolooks_hsl_ref (value->data[0].v_pointer);
829 value->data[0].v_pointer = NULL;
832 prolooks_hsl_unref (old);
837 void prolooks_value_take_hsl (GValue* value, gpointer v_object) {
839 g_return_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, PROLOOKS_TYPE_HSL));
840 old = value->data[0].v_pointer;
842 g_return_if_fail (G_TYPE_CHECK_INSTANCE_TYPE (v_object, PROLOOKS_TYPE_HSL));
843 g_return_if_fail (g_value_type_compatible (G_TYPE_FROM_INSTANCE (v_object), G_VALUE_TYPE (value)));
844 value->data[0].v_pointer = v_object;
846 value->data[0].v_pointer = NULL;
849 prolooks_hsl_unref (old);
854 static void prolooks_hsl_class_init (ProlooksHSLClass * klass) {
855 prolooks_hsl_parent_class = g_type_class_peek_parent (klass);
856 PROLOOKS_HSL_CLASS (klass)->finalize = prolooks_hsl_finalize;
857 g_type_class_add_private (klass, sizeof (ProlooksHSLPrivate));
861 static void prolooks_hsl_instance_init (ProlooksHSL * self) {
862 self->priv = PROLOOKS_HSL_GET_PRIVATE (self);
867 static void prolooks_hsl_finalize (ProlooksHSL* obj) {
869 self = PROLOOKS_HSL (obj);
873 GType prolooks_hsl_get_type (void) {
874 static volatile gsize prolooks_hsl_type_id__volatile = 0;
875 if (g_once_init_enter (&prolooks_hsl_type_id__volatile)) {
876 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 };
877 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 };
878 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) };
879 GType prolooks_hsl_type_id;
880 prolooks_hsl_type_id = g_type_register_fundamental (g_type_fundamental_next (), "ProlooksHSL", &g_define_type_info, &g_define_type_fundamental_info, 0);
881 g_once_init_leave (&prolooks_hsl_type_id__volatile, prolooks_hsl_type_id);
883 return prolooks_hsl_type_id__volatile;
887 gpointer prolooks_hsl_ref (gpointer instance) {
890 g_atomic_int_inc (&self->ref_count);
895 void prolooks_hsl_unref (gpointer instance) {
898 if (g_atomic_int_dec_and_test (&self->ref_count)) {
899 PROLOOKS_HSL_GET_CLASS (self)->finalize (self);
900 g_type_free_instance ((GTypeInstance *) self);
905 char* prolooks_hsv_to_string (ProlooksHSV* self) {
907 g_return_val_if_fail (self != NULL, NULL);
908 result = g_strdup_printf ("HSV (%f, %f, %f)", self->priv->_hue, self->priv->_saturation, self->priv->_value);
913 ProlooksHSV* prolooks_hsv_construct_for_gdk_color (GType object_type, const GdkColor* color) {
915 self = (ProlooksHSV*) g_type_create_instance (object_type);
916 prolooks_hsv_from_gdk_color (self, color);
921 ProlooksHSV* prolooks_hsv_new_for_gdk_color (const GdkColor* color) {
922 return prolooks_hsv_construct_for_gdk_color (PROLOOKS_TYPE_HSV, color);
926 ProlooksHSV* prolooks_hsv_construct_for_cairo_color (GType object_type, CairoColor* color) {
928 g_return_val_if_fail (color != NULL, NULL);
929 self = (ProlooksHSV*) g_type_create_instance (object_type);
930 prolooks_hsv_from_cairo_color (self, color);
935 ProlooksHSV* prolooks_hsv_new_for_cairo_color (CairoColor* color) {
936 return prolooks_hsv_construct_for_cairo_color (PROLOOKS_TYPE_HSV, color);
940 CairoColor* prolooks_hsv_to_cairo_color (ProlooksHSV* self) {
941 CairoColor* result = NULL;
952 g_return_val_if_fail (self != NULL, NULL);
956 v = self->priv->_value;
957 hi = (gint) prolooks_modula (floor (self->priv->_hue / 60.0), (double) 6);
958 f = (self->priv->_hue / 60.0) - floor (self->priv->_hue / 60.0);
959 p = self->priv->_value * (1.0 - self->priv->_saturation);
960 q = self->priv->_value * (1.0 - (f * self->priv->_saturation));
961 t = self->priv->_value * (1.0 - ((1.0 - f) * self->priv->_saturation));
965 r = self->priv->_value;
973 g = self->priv->_value;
980 g = self->priv->_value;
988 b = self->priv->_value;
995 b = self->priv->_value;
1000 r = self->priv->_value;
1010 color = cairo_color_new (r, g, b, 1.0);
1016 void prolooks_hsv_to_gdk_color (ProlooksHSV* self, GdkColor* result) {
1017 GdkColor _tmp1_ = {0,0,0,0};
1020 g_return_if_fail (self != NULL);
1021 *result = (_tmp2_ = (prolooks_cairo_color_to_gdk (_tmp0_ = prolooks_hsv_to_cairo_color (self), &_tmp1_), _tmp1_), _cairo_color_unref0 (_tmp0_), _tmp2_);
1026 void prolooks_hsv_from_gdk_color (ProlooksHSV* self, const GdkColor* color) {
1028 g_return_if_fail (self != NULL);
1029 prolooks_hsv_from_cairo_color (self, _tmp0_ = prolooks_gdk_color_to_cairo (color));
1030 _cairo_color_unref0 (_tmp0_);
1034 void prolooks_hsv_from_cairo_color (ProlooksHSV* self, CairoColor* color) {
1041 g_return_if_fail (self != NULL);
1042 g_return_if_fail (color != NULL);
1043 red = cairo_color_get_red (color);
1044 green = cairo_color_get_green (color);
1045 blue = cairo_color_get_blue (color);
1069 prolooks_hsv_set_value (self, max);
1070 if (fabs (max - min) < 0.0001) {
1071 prolooks_hsv_set_hue (self, 0.0);
1072 prolooks_hsv_set_saturation (self, 0.0);
1075 prolooks_hsv_set_saturation (self, (double) 0);
1077 prolooks_hsv_set_saturation (self, (max - min) / max);
1081 prolooks_hsv_set_hue (self, (green - blue) / delta);
1084 prolooks_hsv_set_hue (self, 2.0 + ((blue - red) / delta));
1087 prolooks_hsv_set_hue (self, 4.0 + ((red - green) / delta));
1091 prolooks_hsv_set_hue (self, self->priv->_hue * 60.0);
1092 if (self->priv->_hue < 0.0) {
1093 prolooks_hsv_set_hue (self, self->priv->_hue + 360.0);
1099 ProlooksHSV* prolooks_hsv_construct (GType object_type) {
1101 self = (ProlooksHSV*) g_type_create_instance (object_type);
1106 ProlooksHSV* prolooks_hsv_new (void) {
1107 return prolooks_hsv_construct (PROLOOKS_TYPE_HSV);
1111 double prolooks_hsv_get_hue (ProlooksHSV* self) {
1113 g_return_val_if_fail (self != NULL, 0.0);
1114 result = self->priv->_hue;
1119 void prolooks_hsv_set_hue (ProlooksHSV* self, double value) {
1120 g_return_if_fail (self != NULL);
1121 self->priv->_hue = value;
1125 double prolooks_hsv_get_saturation (ProlooksHSV* self) {
1127 g_return_val_if_fail (self != NULL, 0.0);
1128 result = self->priv->_saturation;
1133 void prolooks_hsv_set_saturation (ProlooksHSV* self, double value) {
1134 g_return_if_fail (self != NULL);
1135 self->priv->_saturation = value;
1139 double prolooks_hsv_get_value (ProlooksHSV* self) {
1141 g_return_val_if_fail (self != NULL, 0.0);
1142 result = self->priv->_value;
1147 void prolooks_hsv_set_value (ProlooksHSV* self, double value) {
1148 g_return_if_fail (self != NULL);
1149 self->priv->_value = value;
1153 static void prolooks_value_hsv_init (GValue* value) {
1154 value->data[0].v_pointer = NULL;
1158 static void prolooks_value_hsv_free_value (GValue* value) {
1159 if (value->data[0].v_pointer) {
1160 prolooks_hsv_unref (value->data[0].v_pointer);
1165 static void prolooks_value_hsv_copy_value (const GValue* src_value, GValue* dest_value) {
1166 if (src_value->data[0].v_pointer) {
1167 dest_value->data[0].v_pointer = prolooks_hsv_ref (src_value->data[0].v_pointer);
1169 dest_value->data[0].v_pointer = NULL;
1174 static gpointer prolooks_value_hsv_peek_pointer (const GValue* value) {
1175 return value->data[0].v_pointer;
1179 static gchar* prolooks_value_hsv_collect_value (GValue* value, guint n_collect_values, GTypeCValue* collect_values, guint collect_flags) {
1180 if (collect_values[0].v_pointer) {
1181 ProlooksHSV* object;
1182 object = collect_values[0].v_pointer;
1183 if (object->parent_instance.g_class == NULL) {
1184 return g_strconcat ("invalid unclassed object pointer for value type `", G_VALUE_TYPE_NAME (value), "'", NULL);
1185 } else if (!g_value_type_compatible (G_TYPE_FROM_INSTANCE (object), G_VALUE_TYPE (value))) {
1186 return g_strconcat ("invalid object type `", g_type_name (G_TYPE_FROM_INSTANCE (object)), "' for value type `", G_VALUE_TYPE_NAME (value), "'", NULL);
1188 value->data[0].v_pointer = prolooks_hsv_ref (object);
1190 value->data[0].v_pointer = NULL;
1196 static gchar* prolooks_value_hsv_lcopy_value (const GValue* value, guint n_collect_values, GTypeCValue* collect_values, guint collect_flags) {
1197 ProlooksHSV** object_p;
1198 object_p = collect_values[0].v_pointer;
1200 return g_strdup_printf ("value location for `%s' passed as NULL", G_VALUE_TYPE_NAME (value));
1202 if (!value->data[0].v_pointer) {
1204 } else if (collect_flags && G_VALUE_NOCOPY_CONTENTS) {
1205 *object_p = value->data[0].v_pointer;
1207 *object_p = prolooks_hsv_ref (value->data[0].v_pointer);
1213 GParamSpec* prolooks_param_spec_hsv (const gchar* name, const gchar* nick, const gchar* blurb, GType object_type, GParamFlags flags) {
1214 ProlooksParamSpecHSV* spec;
1215 g_return_val_if_fail (g_type_is_a (object_type, PROLOOKS_TYPE_HSV), NULL);
1216 spec = g_param_spec_internal (G_TYPE_PARAM_OBJECT, name, nick, blurb, flags);
1217 G_PARAM_SPEC (spec)->value_type = object_type;
1218 return G_PARAM_SPEC (spec);
1222 gpointer prolooks_value_get_hsv (const GValue* value) {
1223 g_return_val_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, PROLOOKS_TYPE_HSV), NULL);
1224 return value->data[0].v_pointer;
1228 void prolooks_value_set_hsv (GValue* value, gpointer v_object) {
1230 g_return_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, PROLOOKS_TYPE_HSV));
1231 old = value->data[0].v_pointer;
1233 g_return_if_fail (G_TYPE_CHECK_INSTANCE_TYPE (v_object, PROLOOKS_TYPE_HSV));
1234 g_return_if_fail (g_value_type_compatible (G_TYPE_FROM_INSTANCE (v_object), G_VALUE_TYPE (value)));
1235 value->data[0].v_pointer = v_object;
1236 prolooks_hsv_ref (value->data[0].v_pointer);
1238 value->data[0].v_pointer = NULL;
1241 prolooks_hsv_unref (old);
1246 void prolooks_value_take_hsv (GValue* value, gpointer v_object) {
1248 g_return_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, PROLOOKS_TYPE_HSV));
1249 old = value->data[0].v_pointer;
1251 g_return_if_fail (G_TYPE_CHECK_INSTANCE_TYPE (v_object, PROLOOKS_TYPE_HSV));
1252 g_return_if_fail (g_value_type_compatible (G_TYPE_FROM_INSTANCE (v_object), G_VALUE_TYPE (value)));
1253 value->data[0].v_pointer = v_object;
1255 value->data[0].v_pointer = NULL;
1258 prolooks_hsv_unref (old);
1263 static void prolooks_hsv_class_init (ProlooksHSVClass * klass) {
1264 prolooks_hsv_parent_class = g_type_class_peek_parent (klass);
1265 PROLOOKS_HSV_CLASS (klass)->finalize = prolooks_hsv_finalize;
1266 g_type_class_add_private (klass, sizeof (ProlooksHSVPrivate));
1270 static void prolooks_hsv_instance_init (ProlooksHSV * self) {
1271 self->priv = PROLOOKS_HSV_GET_PRIVATE (self);
1272 self->ref_count = 1;
1276 static void prolooks_hsv_finalize (ProlooksHSV* obj) {
1278 self = PROLOOKS_HSV (obj);
1282 GType prolooks_hsv_get_type (void) {
1283 static volatile gsize prolooks_hsv_type_id__volatile = 0;
1284 if (g_once_init_enter (&prolooks_hsv_type_id__volatile)) {
1285 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 };
1286 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 };
1287 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) };
1288 GType prolooks_hsv_type_id;
1289 prolooks_hsv_type_id = g_type_register_fundamental (g_type_fundamental_next (), "ProlooksHSV", &g_define_type_info, &g_define_type_fundamental_info, 0);
1290 g_once_init_leave (&prolooks_hsv_type_id__volatile, prolooks_hsv_type_id);
1292 return prolooks_hsv_type_id__volatile;
1296 gpointer prolooks_hsv_ref (gpointer instance) {
1299 g_atomic_int_inc (&self->ref_count);
1304 void prolooks_hsv_unref (gpointer instance) {
1307 if (g_atomic_int_dec_and_test (&self->ref_count)) {
1308 PROLOOKS_HSV_GET_CLASS (self)->finalize (self);
1309 g_type_free_instance ((GTypeInstance *) self);
1314 void prolooks_shade_color (const GdkColor* orig, double shade_ratio, GdkColor* result) {
1316 GdkColor _tmp0_ = {0,0,0,0};
1318 HSL = prolooks_hsl_new ();
1319 prolooks_hsl_from_gdk_color (HSL, orig);
1320 prolooks_hsl_set_lightness (HSL, fmin (prolooks_hsl_get_lightness (HSL) * shade_ratio, 1.0));
1321 prolooks_hsl_set_lightness (HSL, fmax (prolooks_hsl_get_lightness (HSL), 0.0));
1322 prolooks_hsl_set_saturation (HSL, fmin (prolooks_hsl_get_saturation (HSL) * shade_ratio, 1.0));
1323 prolooks_hsl_set_saturation (HSL, fmax (prolooks_hsl_get_saturation (HSL), 0.0));
1324 _result_ = (prolooks_hsl_to_gdk_color (HSL, &_tmp0_), _tmp0_);
1326 _prolooks_hsl_unref0 (HSL);
1331 GdkPixbuf* prolooks_cairo_image_surface_to_pixbuf (cairo_surface_t* surface) {
1332 GdkPixbuf* result = NULL;
1334 gint _knob_data_size_;
1335 gint knob_data_length1;
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), knob_data_length1 = -1, _knob_data_size_ = knob_data_length1, _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);