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 if (collect_values[0].v_pointer) {
189 object = collect_values[0].v_pointer;
190 if (object->parent_instance.g_class == NULL) {
191 return g_strconcat ("invalid unclassed object pointer for value type `", G_VALUE_TYPE_NAME (value), "'", NULL);
192 } else if (!g_value_type_compatible (G_TYPE_FROM_INSTANCE (object), G_VALUE_TYPE (value))) {
193 return g_strconcat ("invalid object type `", g_type_name (G_TYPE_FROM_INSTANCE (object)), "' for value type `", G_VALUE_TYPE_NAME (value), "'", NULL);
195 value->data[0].v_pointer = cairo_color_ref (object);
197 value->data[0].v_pointer = NULL;
203 static gchar* cairo_value_color_lcopy_value (const GValue* value, guint n_collect_values, GTypeCValue* collect_values, guint collect_flags) {
204 CairoColor** object_p;
205 object_p = collect_values[0].v_pointer;
207 return g_strdup_printf ("value location for `%s' passed as NULL", G_VALUE_TYPE_NAME (value));
209 if (!value->data[0].v_pointer) {
211 } else if (collect_flags & G_VALUE_NOCOPY_CONTENTS) {
212 *object_p = value->data[0].v_pointer;
214 *object_p = cairo_color_ref (value->data[0].v_pointer);
220 GParamSpec* cairo_param_spec_color (const gchar* name, const gchar* nick, const gchar* blurb, GType object_type, GParamFlags flags) {
221 CairoParamSpecColor* spec;
222 g_return_val_if_fail (g_type_is_a (object_type, CAIRO_TYPE_COLOR), NULL);
223 spec = g_param_spec_internal (G_TYPE_PARAM_OBJECT, name, nick, blurb, flags);
224 G_PARAM_SPEC (spec)->value_type = object_type;
225 return G_PARAM_SPEC (spec);
229 gpointer cairo_value_get_color (const GValue* value) {
230 g_return_val_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, CAIRO_TYPE_COLOR), NULL);
231 return value->data[0].v_pointer;
235 void cairo_value_set_color (GValue* value, gpointer v_object) {
237 g_return_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, CAIRO_TYPE_COLOR));
238 old = value->data[0].v_pointer;
240 g_return_if_fail (G_TYPE_CHECK_INSTANCE_TYPE (v_object, CAIRO_TYPE_COLOR));
241 g_return_if_fail (g_value_type_compatible (G_TYPE_FROM_INSTANCE (v_object), G_VALUE_TYPE (value)));
242 value->data[0].v_pointer = v_object;
243 cairo_color_ref (value->data[0].v_pointer);
245 value->data[0].v_pointer = NULL;
248 cairo_color_unref (old);
253 void cairo_value_take_color (GValue* value, gpointer v_object) {
255 g_return_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, CAIRO_TYPE_COLOR));
256 old = value->data[0].v_pointer;
258 g_return_if_fail (G_TYPE_CHECK_INSTANCE_TYPE (v_object, CAIRO_TYPE_COLOR));
259 g_return_if_fail (g_value_type_compatible (G_TYPE_FROM_INSTANCE (v_object), G_VALUE_TYPE (value)));
260 value->data[0].v_pointer = v_object;
262 value->data[0].v_pointer = NULL;
265 cairo_color_unref (old);
269 static void cairo_color_finalize (CairoColor* obj) {
271 self = CAIRO_COLOR (obj);
274 static void cairo_color_class_init (CairoColorClass * klass) {
275 cairo_color_parent_class = g_type_class_peek_parent (klass);
276 CAIRO_COLOR_CLASS (klass)->finalize = cairo_color_finalize;
277 g_type_class_add_private (klass, sizeof (CairoColorPrivate));
281 static void cairo_color_instance_init (CairoColor * self) {
282 self->priv = CAIRO_COLOR_GET_PRIVATE (self);
288 GType cairo_color_get_type (void) {
289 static volatile gsize cairo_color_type_id__volatile = 0;
290 if (g_once_init_enter (&cairo_color_type_id__volatile)) {
291 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 };
292 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 };
293 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) };
294 GType cairo_color_type_id;
295 cairo_color_type_id = g_type_register_fundamental (g_type_fundamental_next (), "CairoColor", &g_define_type_info, &g_define_type_fundamental_info, 0);
296 g_once_init_leave (&cairo_color_type_id__volatile, cairo_color_type_id);
298 return cairo_color_type_id__volatile;
302 gpointer cairo_color_ref (gpointer instance) {
305 g_atomic_int_inc (&self->ref_count);
310 void cairo_color_unref (gpointer instance) {
313 if (g_atomic_int_dec_and_test (&self->ref_count)) {
314 CAIRO_COLOR_GET_CLASS (self)->finalize (self);
315 g_type_free_instance ((GTypeInstance *) self);
320 GType prolooks_button_state_get_type (void) {
321 static volatile gsize prolooks_button_state_type_id__volatile = 0;
322 if (g_once_init_enter (&prolooks_button_state_type_id__volatile)) {
323 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}};
324 GType prolooks_button_state_type_id;
325 prolooks_button_state_type_id = g_enum_register_static ("ProlooksButtonState", values);
326 g_once_init_leave (&prolooks_button_state_type_id__volatile, prolooks_button_state_type_id);
328 return prolooks_button_state_type_id__volatile;
332 GType prolooks_button_type_get_type (void) {
333 static volatile gsize prolooks_button_type_type_id__volatile = 0;
334 if (g_once_init_enter (&prolooks_button_type_type_id__volatile)) {
335 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}};
336 GType prolooks_button_type_type_id;
337 prolooks_button_type_type_id = g_enum_register_static ("ProlooksButtonType", values);
338 g_once_init_leave (&prolooks_button_type_type_id__volatile, prolooks_button_type_type_id);
340 return prolooks_button_type_type_id__volatile;
344 void prolooks_set_line_width_from_device (cairo_t* cr) {
347 g_return_if_fail (cr != NULL);
350 cairo_device_to_user (cr, &ux, &uy);
354 cairo_set_line_width (cr, ux);
358 void prolooks_color_from_string (const char* webcolor, GdkColor* result) {
359 GdkColor color = {0,0,0,0};
360 g_return_if_fail (webcolor != NULL);
361 gdk_color_parse (webcolor, &color);
367 char* prolooks_color_to_string (const GdkColor* color) {
370 scale = G_MAXUINT16 / G_MAXUINT8;
371 result = g_strdup_printf ("#%02x%02x%02x", (guint) ((*color).red / scale), (guint) ((*color).green / scale), (guint) ((*color).blue / scale));
376 CairoColor* prolooks_cairo_color_from_string (const char* webcolor) {
377 CairoColor* result = NULL;
379 GdkColor _tmp0_ = {0,0,0,0};
380 g_return_val_if_fail (webcolor != NULL, NULL);
381 result = prolooks_gdk_color_to_cairo ((_tmp1_ = (prolooks_color_from_string (webcolor, &_tmp0_), _tmp0_), &_tmp1_));
386 void prolooks_set_source_color (cairo_t* cr, const GdkColor* color, double alpha) {
387 g_return_if_fail (cr != NULL);
388 cairo_set_source_rgba (cr, ((double) (*color).red) / ((double) G_MAXUINT16), ((double) (*color).green) / ((double) G_MAXUINT16), ((double) (*color).blue) / ((double) G_MAXUINT16), alpha);
392 void prolooks_gdk_color_to_cairo_color (const GdkColor* color, double* red, double* green, double* blue) {
393 *red = ((double) (*color).red) / ((double) G_MAXUINT16);
394 *green = ((double) (*color).green) / ((double) G_MAXUINT16);
395 *blue = ((double) (*color).blue) / ((double) G_MAXUINT16);
399 CairoColor* prolooks_gdk_color_to_cairo (const GdkColor* color) {
400 CairoColor* result = NULL;
407 prolooks_gdk_color_to_cairo_color (color, &r, &g, &b);
408 result = cairo_color_new (r, g, b, 1.0);
413 void prolooks_cairo_color_to_gdk (CairoColor* cairo_color, GdkColor* result) {
414 GdkColor color = {0,0,0,0};
415 g_return_if_fail (cairo_color != NULL);
416 memset (&color, 0, sizeof (GdkColor));
417 color.red = (guint16) (cairo_color_get_red (cairo_color) * ((double) G_MAXUINT16));
418 color.green = (guint16) (cairo_color_get_green (cairo_color) * ((double) G_MAXUINT16));
419 color.blue = (guint16) (cairo_color_get_blue (cairo_color) * ((double) G_MAXUINT16));
425 void prolooks_set_source_color_string (cairo_t* cr, const char* color, double alpha) {
427 GdkColor _tmp0_ = {0,0,0,0};
428 g_return_if_fail (cr != NULL);
429 g_return_if_fail (color != NULL);
430 prolooks_set_source_color (cr, (_tmp1_ = (prolooks_color_from_string (color, &_tmp0_), _tmp0_), &_tmp1_), alpha);
434 void prolooks_add_color_stop (cairo_pattern_t* p, double offset, const GdkColor* color, double alpha) {
435 g_return_if_fail (p != NULL);
436 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);
440 void prolooks_add_color_stop_str (cairo_pattern_t* p, double offset, const char* color, double alpha) {
442 GdkColor _tmp0_ = {0,0,0,0};
443 g_return_if_fail (p != NULL);
444 g_return_if_fail (color != NULL);
445 prolooks_add_color_stop (p, offset, (_tmp1_ = (prolooks_color_from_string (color, &_tmp0_), _tmp0_), &_tmp1_), alpha);
449 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) {
450 cairo_pattern_t* result = NULL;
451 cairo_pattern_t* gradient;
452 gradient = cairo_pattern_create_linear (x1, y1, x2, y2);
453 prolooks_add_color_stop (gradient, (double) 0, start, alpha_start);
454 prolooks_add_color_stop (gradient, (double) 1, stop, alpha_stop);
460 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) {
461 cairo_pattern_t* result = NULL;
464 GdkColor _tmp1_ = {0,0,0,0};
465 GdkColor _tmp0_ = {0,0,0,0};
466 g_return_val_if_fail (start != NULL, NULL);
467 g_return_val_if_fail (stop != NULL, NULL);
468 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);
473 void prolooks_rounded_rect (cairo_t* cr, double x, double y, double w, double h, double radius_x, double radius_y) {
474 double ARC_TO_BEZIER;
477 g_return_if_fail (cr != NULL);
478 ARC_TO_BEZIER = 0.55228475;
479 if (radius_x > (w - radius_x)) {
482 if (radius_y > (h - radius_y)) {
485 c1 = ARC_TO_BEZIER * radius_x;
486 c2 = ARC_TO_BEZIER * radius_y;
488 cairo_move_to (cr, x + radius_x, y);
489 cairo_rel_line_to (cr, w - (2 * radius_x), 0.0);
490 cairo_rel_curve_to (cr, c1, 0.0, radius_x, c2, radius_x, radius_y);
491 cairo_rel_line_to (cr, (double) 0, h - (2 * radius_y));
492 cairo_rel_curve_to (cr, 0.0, c2, c1 - radius_x, radius_y, -radius_x, radius_y);
493 cairo_rel_line_to (cr, (-w) + (2 * radius_x), (double) 0);
494 cairo_rel_curve_to (cr, -c1, (double) 0, -radius_x, -c2, -radius_x, -radius_y);
495 cairo_rel_line_to (cr, (double) 0, (-h) + (2 * radius_y));
496 cairo_rel_curve_to (cr, 0.0, -c2, radius_x - c1, -radius_y, radius_x, -radius_y);
497 cairo_close_path (cr);
501 void prolooks_background_gradient (cairo_t* cr, double w, double h) {
502 GdkColor background_gradient_start = {0,0,0,0};
503 GdkColor background_gradient_stop = {0,0,0,0};
504 cairo_pattern_t* background_gradient;
505 g_return_if_fail (cr != NULL);
506 gdk_color_parse ("#bebdc2", &background_gradient_start);
507 gdk_color_parse ("#b1b4b9", &background_gradient_stop);
508 cairo_rectangle (cr, (double) 0, (double) 0, w, h);
509 background_gradient = cairo_pattern_create_linear ((double) 0, (double) 0, (double) 0, h);
510 prolooks_add_color_stop (background_gradient, (double) 0, &background_gradient_start, 1.0);
511 prolooks_add_color_stop (background_gradient, (double) 1, &background_gradient_stop, 1.0);
512 cairo_set_source (cr, background_gradient);
514 _cairo_pattern_destroy0 (background_gradient);
518 double prolooks_modula (double number, double divisor) {
520 result = (((gint) number) % ((gint) divisor)) + (number - ((gint) number));
525 char* prolooks_hsl_to_string (ProlooksHSL* self) {
527 g_return_val_if_fail (self != NULL, NULL);
528 result = g_strdup_printf ("HSL (%f, %f, %f)", self->priv->_hue, self->priv->_saturation, self->priv->_lightness);
533 CairoColor* prolooks_hsl_to_cairo_color (ProlooksHSL* self) {
534 CairoColor* result = NULL;
537 gint _hue_shift_size_;
538 gint hue_shift_length1;
541 gint _color_shift_size_;
542 gint color_shift_length1;
549 g_return_val_if_fail (self != NULL, NULL);
550 hue_shift = (_tmp0_ = g_new0 (double, 3), hue_shift_length1 = 3, _hue_shift_size_ = hue_shift_length1, _tmp0_);
551 color_shift = (_tmp1_ = g_new0 (double, 3), color_shift_length1 = 3, _color_shift_size_ = color_shift_length1, _tmp1_);
552 if (self->priv->_lightness <= 0.5) {
553 m2 = self->priv->_lightness * (1 + self->priv->_saturation);
555 m2 = (self->priv->_lightness + self->priv->_saturation) - (self->priv->_lightness * self->priv->_saturation);
557 m1 = (2 * self->priv->_lightness) - m2;
558 hue_shift[0] = self->priv->_hue + 120;
559 hue_shift[1] = self->priv->_hue;
560 hue_shift[2] = self->priv->_hue - 120;
561 color_shift[0] = color_shift[1] = color_shift[2] = self->priv->_lightness;
562 if (self->priv->_saturation == 0) {
581 m3 = prolooks_modula (m3, (double) 360);
584 m3 = 360 - prolooks_modula (fabs (m3), (double) 360);
588 color_shift[i] = m1 + (((m2 - m1) * m3) / 60.0);
594 color_shift[i] = m1 + (((m2 - m1) * (240 - m3)) / 60.0);
602 color = cairo_color_new (color_shift[0], color_shift[1], color_shift[2], 1.0);
604 hue_shift = (g_free (hue_shift), NULL);
605 color_shift = (g_free (color_shift), NULL);
610 void prolooks_hsl_to_gdk_color (ProlooksHSL* self, GdkColor* result) {
611 GdkColor _tmp1_ = {0,0,0,0};
614 g_return_if_fail (self != NULL);
615 *result = (_tmp2_ = (prolooks_cairo_color_to_gdk (_tmp0_ = prolooks_hsl_to_cairo_color (self), &_tmp1_), _tmp1_), _cairo_color_unref0 (_tmp0_), _tmp2_);
620 void prolooks_hsl_from_gdk_color (ProlooksHSL* self, const GdkColor* color) {
622 g_return_if_fail (self != NULL);
623 prolooks_hsl_from_cairo_color (self, _tmp0_ = prolooks_gdk_color_to_cairo (color));
624 _cairo_color_unref0 (_tmp0_);
628 void prolooks_hsl_from_cairo_color (ProlooksHSL* self, CairoColor* color) {
635 g_return_if_fail (self != NULL);
636 g_return_if_fail (color != NULL);
637 red = cairo_color_get_red (color);
638 green = cairo_color_get_green (color);
639 blue = cairo_color_get_blue (color);
663 prolooks_hsl_set_lightness (self, (max + min) / 2.0);
664 if (fabs (max - min) < 0.0001) {
665 prolooks_hsl_set_hue (self, 0.0);
666 prolooks_hsl_set_saturation (self, 0.0);
668 if (self->priv->_lightness <= 0.5) {
669 prolooks_hsl_set_saturation (self, (max - min) / (max + min));
671 prolooks_hsl_set_saturation (self, (max - min) / ((2.0 - max) - min));
675 prolooks_hsl_set_hue (self, (green - blue) / delta);
678 prolooks_hsl_set_hue (self, 2.0 + ((blue - red) / delta));
681 prolooks_hsl_set_hue (self, 4.0 + ((red - green) / delta));
685 prolooks_hsl_set_hue (self, self->priv->_hue * 60.0);
686 if (self->priv->_hue < 0.0) {
687 prolooks_hsl_set_hue (self, self->priv->_hue + 360.0);
693 ProlooksHSL* prolooks_hsl_construct (GType object_type) {
695 self = (ProlooksHSL*) g_type_create_instance (object_type);
700 ProlooksHSL* prolooks_hsl_new (void) {
701 return prolooks_hsl_construct (PROLOOKS_TYPE_HSL);
705 double prolooks_hsl_get_hue (ProlooksHSL* self) {
707 g_return_val_if_fail (self != NULL, 0.0);
708 result = self->priv->_hue;
713 void prolooks_hsl_set_hue (ProlooksHSL* self, double value) {
714 g_return_if_fail (self != NULL);
715 self->priv->_hue = value;
719 double prolooks_hsl_get_saturation (ProlooksHSL* self) {
721 g_return_val_if_fail (self != NULL, 0.0);
722 result = self->priv->_saturation;
727 void prolooks_hsl_set_saturation (ProlooksHSL* self, double value) {
728 g_return_if_fail (self != NULL);
729 self->priv->_saturation = value;
733 double prolooks_hsl_get_lightness (ProlooksHSL* self) {
735 g_return_val_if_fail (self != NULL, 0.0);
736 result = self->priv->_lightness;
741 void prolooks_hsl_set_lightness (ProlooksHSL* self, double value) {
742 g_return_if_fail (self != NULL);
743 self->priv->_lightness = value;
747 static void prolooks_value_hsl_init (GValue* value) {
748 value->data[0].v_pointer = NULL;
752 static void prolooks_value_hsl_free_value (GValue* value) {
753 if (value->data[0].v_pointer) {
754 prolooks_hsl_unref (value->data[0].v_pointer);
759 static void prolooks_value_hsl_copy_value (const GValue* src_value, GValue* dest_value) {
760 if (src_value->data[0].v_pointer) {
761 dest_value->data[0].v_pointer = prolooks_hsl_ref (src_value->data[0].v_pointer);
763 dest_value->data[0].v_pointer = NULL;
768 static gpointer prolooks_value_hsl_peek_pointer (const GValue* value) {
769 return value->data[0].v_pointer;
773 static gchar* prolooks_value_hsl_collect_value (GValue* value, guint n_collect_values, GTypeCValue* collect_values, guint collect_flags) {
774 if (collect_values[0].v_pointer) {
776 object = collect_values[0].v_pointer;
777 if (object->parent_instance.g_class == NULL) {
778 return g_strconcat ("invalid unclassed object pointer for value type `", G_VALUE_TYPE_NAME (value), "'", NULL);
779 } else if (!g_value_type_compatible (G_TYPE_FROM_INSTANCE (object), G_VALUE_TYPE (value))) {
780 return g_strconcat ("invalid object type `", g_type_name (G_TYPE_FROM_INSTANCE (object)), "' for value type `", G_VALUE_TYPE_NAME (value), "'", NULL);
782 value->data[0].v_pointer = prolooks_hsl_ref (object);
784 value->data[0].v_pointer = NULL;
790 static gchar* prolooks_value_hsl_lcopy_value (const GValue* value, guint n_collect_values, GTypeCValue* collect_values, guint collect_flags) {
791 ProlooksHSL** object_p;
792 object_p = collect_values[0].v_pointer;
794 return g_strdup_printf ("value location for `%s' passed as NULL", G_VALUE_TYPE_NAME (value));
796 if (!value->data[0].v_pointer) {
798 } else if (collect_flags & G_VALUE_NOCOPY_CONTENTS) {
799 *object_p = value->data[0].v_pointer;
801 *object_p = prolooks_hsl_ref (value->data[0].v_pointer);
807 GParamSpec* prolooks_param_spec_hsl (const gchar* name, const gchar* nick, const gchar* blurb, GType object_type, GParamFlags flags) {
808 ProlooksParamSpecHSL* spec;
809 g_return_val_if_fail (g_type_is_a (object_type, PROLOOKS_TYPE_HSL), NULL);
810 spec = g_param_spec_internal (G_TYPE_PARAM_OBJECT, name, nick, blurb, flags);
811 G_PARAM_SPEC (spec)->value_type = object_type;
812 return G_PARAM_SPEC (spec);
816 gpointer prolooks_value_get_hsl (const GValue* value) {
817 g_return_val_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, PROLOOKS_TYPE_HSL), NULL);
818 return value->data[0].v_pointer;
822 void prolooks_value_set_hsl (GValue* value, gpointer v_object) {
824 g_return_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, PROLOOKS_TYPE_HSL));
825 old = value->data[0].v_pointer;
827 g_return_if_fail (G_TYPE_CHECK_INSTANCE_TYPE (v_object, PROLOOKS_TYPE_HSL));
828 g_return_if_fail (g_value_type_compatible (G_TYPE_FROM_INSTANCE (v_object), G_VALUE_TYPE (value)));
829 value->data[0].v_pointer = v_object;
830 prolooks_hsl_ref (value->data[0].v_pointer);
832 value->data[0].v_pointer = NULL;
835 prolooks_hsl_unref (old);
840 void prolooks_value_take_hsl (GValue* value, gpointer v_object) {
842 g_return_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, PROLOOKS_TYPE_HSL));
843 old = value->data[0].v_pointer;
845 g_return_if_fail (G_TYPE_CHECK_INSTANCE_TYPE (v_object, PROLOOKS_TYPE_HSL));
846 g_return_if_fail (g_value_type_compatible (G_TYPE_FROM_INSTANCE (v_object), G_VALUE_TYPE (value)));
847 value->data[0].v_pointer = v_object;
849 value->data[0].v_pointer = NULL;
852 prolooks_hsl_unref (old);
856 static void prolooks_hsl_finalize (ProlooksHSL* obj) {
858 self = PROLOOKS_HSL (obj);
861 static void prolooks_hsl_class_init (ProlooksHSLClass * klass) {
862 prolooks_hsl_parent_class = g_type_class_peek_parent (klass);
863 PROLOOKS_HSL_CLASS (klass)->finalize = prolooks_hsl_finalize;
864 g_type_class_add_private (klass, sizeof (ProlooksHSLPrivate));
868 static void prolooks_hsl_instance_init (ProlooksHSL * self) {
869 self->priv = PROLOOKS_HSL_GET_PRIVATE (self);
875 GType prolooks_hsl_get_type (void) {
876 static volatile gsize prolooks_hsl_type_id__volatile = 0;
877 if (g_once_init_enter (&prolooks_hsl_type_id__volatile)) {
878 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 };
879 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 };
880 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) };
881 GType prolooks_hsl_type_id;
882 prolooks_hsl_type_id = g_type_register_fundamental (g_type_fundamental_next (), "ProlooksHSL", &g_define_type_info, &g_define_type_fundamental_info, 0);
883 g_once_init_leave (&prolooks_hsl_type_id__volatile, prolooks_hsl_type_id);
885 return prolooks_hsl_type_id__volatile;
889 gpointer prolooks_hsl_ref (gpointer instance) {
892 g_atomic_int_inc (&self->ref_count);
897 void prolooks_hsl_unref (gpointer instance) {
900 if (g_atomic_int_dec_and_test (&self->ref_count)) {
901 PROLOOKS_HSL_GET_CLASS (self)->finalize (self);
902 g_type_free_instance ((GTypeInstance *) self);
907 char* prolooks_hsv_to_string (ProlooksHSV* self) {
909 g_return_val_if_fail (self != NULL, NULL);
910 result = g_strdup_printf ("HSV (%f, %f, %f)", self->priv->_hue, self->priv->_saturation, self->priv->_value);
915 ProlooksHSV* prolooks_hsv_construct_for_gdk_color (GType object_type, const GdkColor* color) {
917 self = (ProlooksHSV*) g_type_create_instance (object_type);
918 prolooks_hsv_from_gdk_color (self, color);
923 ProlooksHSV* prolooks_hsv_new_for_gdk_color (const GdkColor* color) {
924 return prolooks_hsv_construct_for_gdk_color (PROLOOKS_TYPE_HSV, color);
928 ProlooksHSV* prolooks_hsv_construct_for_cairo_color (GType object_type, CairoColor* color) {
930 g_return_val_if_fail (color != NULL, NULL);
931 self = (ProlooksHSV*) g_type_create_instance (object_type);
932 prolooks_hsv_from_cairo_color (self, color);
937 ProlooksHSV* prolooks_hsv_new_for_cairo_color (CairoColor* color) {
938 return prolooks_hsv_construct_for_cairo_color (PROLOOKS_TYPE_HSV, color);
942 CairoColor* prolooks_hsv_to_cairo_color (ProlooksHSV* self) {
943 CairoColor* result = NULL;
954 g_return_val_if_fail (self != NULL, NULL);
958 v = self->priv->_value;
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 if (collect_values[0].v_pointer) {
1183 ProlooksHSV* object;
1184 object = collect_values[0].v_pointer;
1185 if (object->parent_instance.g_class == NULL) {
1186 return g_strconcat ("invalid unclassed object pointer for value type `", G_VALUE_TYPE_NAME (value), "'", NULL);
1187 } else if (!g_value_type_compatible (G_TYPE_FROM_INSTANCE (object), G_VALUE_TYPE (value))) {
1188 return g_strconcat ("invalid object type `", g_type_name (G_TYPE_FROM_INSTANCE (object)), "' for value type `", G_VALUE_TYPE_NAME (value), "'", NULL);
1190 value->data[0].v_pointer = prolooks_hsv_ref (object);
1192 value->data[0].v_pointer = NULL;
1198 static gchar* prolooks_value_hsv_lcopy_value (const GValue* value, guint n_collect_values, GTypeCValue* collect_values, guint collect_flags) {
1199 ProlooksHSV** object_p;
1200 object_p = collect_values[0].v_pointer;
1202 return g_strdup_printf ("value location for `%s' passed as NULL", G_VALUE_TYPE_NAME (value));
1204 if (!value->data[0].v_pointer) {
1206 } else if (collect_flags & G_VALUE_NOCOPY_CONTENTS) {
1207 *object_p = value->data[0].v_pointer;
1209 *object_p = prolooks_hsv_ref (value->data[0].v_pointer);
1215 GParamSpec* prolooks_param_spec_hsv (const gchar* name, const gchar* nick, const gchar* blurb, GType object_type, GParamFlags flags) {
1216 ProlooksParamSpecHSV* spec;
1217 g_return_val_if_fail (g_type_is_a (object_type, PROLOOKS_TYPE_HSV), NULL);
1218 spec = g_param_spec_internal (G_TYPE_PARAM_OBJECT, name, nick, blurb, flags);
1219 G_PARAM_SPEC (spec)->value_type = object_type;
1220 return G_PARAM_SPEC (spec);
1224 gpointer prolooks_value_get_hsv (const GValue* value) {
1225 g_return_val_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, PROLOOKS_TYPE_HSV), NULL);
1226 return value->data[0].v_pointer;
1230 void prolooks_value_set_hsv (GValue* value, gpointer v_object) {
1232 g_return_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, PROLOOKS_TYPE_HSV));
1233 old = value->data[0].v_pointer;
1235 g_return_if_fail (G_TYPE_CHECK_INSTANCE_TYPE (v_object, PROLOOKS_TYPE_HSV));
1236 g_return_if_fail (g_value_type_compatible (G_TYPE_FROM_INSTANCE (v_object), G_VALUE_TYPE (value)));
1237 value->data[0].v_pointer = v_object;
1238 prolooks_hsv_ref (value->data[0].v_pointer);
1240 value->data[0].v_pointer = NULL;
1243 prolooks_hsv_unref (old);
1248 void prolooks_value_take_hsv (GValue* value, gpointer v_object) {
1250 g_return_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, PROLOOKS_TYPE_HSV));
1251 old = value->data[0].v_pointer;
1253 g_return_if_fail (G_TYPE_CHECK_INSTANCE_TYPE (v_object, PROLOOKS_TYPE_HSV));
1254 g_return_if_fail (g_value_type_compatible (G_TYPE_FROM_INSTANCE (v_object), G_VALUE_TYPE (value)));
1255 value->data[0].v_pointer = v_object;
1257 value->data[0].v_pointer = NULL;
1260 prolooks_hsv_unref (old);
1264 static void prolooks_hsv_finalize (ProlooksHSV* obj) {
1266 self = PROLOOKS_HSV (obj);
1269 static void prolooks_hsv_class_init (ProlooksHSVClass * klass) {
1270 prolooks_hsv_parent_class = g_type_class_peek_parent (klass);
1271 PROLOOKS_HSV_CLASS (klass)->finalize = prolooks_hsv_finalize;
1272 g_type_class_add_private (klass, sizeof (ProlooksHSVPrivate));
1276 static void prolooks_hsv_instance_init (ProlooksHSV * self) {
1277 self->priv = PROLOOKS_HSV_GET_PRIVATE (self);
1278 self->ref_count = 1;
1281 GType prolooks_hsv_get_type (void) {
1282 static volatile gsize prolooks_hsv_type_id__volatile = 0;
1283 if (g_once_init_enter (&prolooks_hsv_type_id__volatile)) {
1284 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 };
1285 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 };
1286 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) };
1287 GType prolooks_hsv_type_id;
1288 prolooks_hsv_type_id = g_type_register_fundamental (g_type_fundamental_next (), "ProlooksHSV", &g_define_type_info, &g_define_type_fundamental_info, 0);
1289 g_once_init_leave (&prolooks_hsv_type_id__volatile, prolooks_hsv_type_id);
1291 return prolooks_hsv_type_id__volatile;
1295 gpointer prolooks_hsv_ref (gpointer instance) {
1298 g_atomic_int_inc (&self->ref_count);
1303 void prolooks_hsv_unref (gpointer instance) {
1306 if (g_atomic_int_dec_and_test (&self->ref_count)) {
1307 PROLOOKS_HSV_GET_CLASS (self)->finalize (self);
1308 g_type_free_instance ((GTypeInstance *) self);
1313 void prolooks_shade_color (const GdkColor* orig, double shade_ratio, GdkColor* result) {
1315 GdkColor _tmp0_ = {0,0,0,0};
1317 HSL = prolooks_hsl_new ();
1318 prolooks_hsl_from_gdk_color (HSL, orig);
1319 prolooks_hsl_set_lightness (HSL, fmin (prolooks_hsl_get_lightness (HSL) * shade_ratio, 1.0));
1320 prolooks_hsl_set_lightness (HSL, fmax (prolooks_hsl_get_lightness (HSL), 0.0));
1321 prolooks_hsl_set_saturation (HSL, fmin (prolooks_hsl_get_saturation (HSL) * shade_ratio, 1.0));
1322 prolooks_hsl_set_saturation (HSL, fmax (prolooks_hsl_get_saturation (HSL), 0.0));
1323 _result_ = (prolooks_hsl_to_gdk_color (HSL, &_tmp0_), _tmp0_);
1325 _prolooks_hsl_unref0 (HSL);
1330 GdkPixbuf* prolooks_cairo_image_surface_to_pixbuf (cairo_surface_t* surface) {
1331 GdkPixbuf* result = NULL;
1333 gint _knob_data_size_;
1334 gint knob_data_length1;
1336 g_return_val_if_fail (surface != NULL, NULL);
1337 if (cairo_image_surface_get_format (surface) != CAIRO_FORMAT_ARGB32) {
1341 knob_data = (_tmp0_ = cairo_image_surface_get_data (surface), knob_data_length1 = -1, _knob_data_size_ = knob_data_length1, _tmp0_);
1357 if (!(i < (cairo_image_surface_get_height (surface) * cairo_image_surface_get_stride (surface)))) {
1360 r = knob_data[i + 0];
1361 g = knob_data[i + 1];
1362 b = knob_data[i + 2];
1363 a = knob_data[i + 3];
1364 knob_data[i + 0] = b;
1365 knob_data[i + 1] = g;
1366 knob_data[i + 2] = r;
1367 knob_data[i + 3] = a;
1371 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);