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livetrax/libs/gtkmm2ext/prolooks_helpers.c

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/* Helpers.c generated by valac, the Vala compiler
* generated from Helpers.vala, do not modify */
/*
Copyright 2009 by Hans Baier
License: LGPLv2+
*/
#ifdef COMPILER_MSVC
#include <algorithm>
using std::min; using std::max;
#endif
#include "gtkmm2ext/prolooks-helpers.h"
static gpointer cairo_color_parent_class = NULL;
static gpointer prolooks_hsl_parent_class = NULL;
static gpointer prolooks_hsv_parent_class = NULL;
CairoColor* cairo_color_construct (GType object_type, double red, double green, double blue, double alpha) {
CairoColor* self;
self = (CairoColor*) g_type_create_instance (object_type);
cairo_color_set_red (self, red);
cairo_color_set_green (self, green);
cairo_color_set_blue (self, blue);
cairo_color_set_alpha (self, alpha);
return self;
}
CairoColor* cairo_color_new (double red, double green, double blue, double alpha) {
return cairo_color_construct (CAIRO_TYPE_COLOR, red, green, blue, alpha);
}
CairoColor* cairo_color_copy (CairoColor* self) {
CairoColor* result = NULL;
g_return_val_if_fail (self != NULL, NULL);
result = cairo_color_new (self->priv->_red, self->priv->_green, self->priv->_blue, self->priv->_alpha);
return result;
}
CairoColor* cairo_color_construct_from_string (GType object_type, const char* webcolor) {
CairoColor* self;
g_return_val_if_fail (webcolor != NULL, NULL);
self = (CairoColor*) g_type_create_instance (object_type);
cairo_color_set_from_string (self, webcolor);
return self;
}
CairoColor* cairo_color_new_from_string (const char* webcolor) {
return cairo_color_construct_from_string (CAIRO_TYPE_COLOR, webcolor);
}
CairoColor* cairo_color_shade (CairoColor* self, double shade_factor) {
CairoColor* result = NULL;
ProlooksHSL* hsl;
g_return_val_if_fail (self != NULL, NULL);
hsl = prolooks_hsl_new ();
prolooks_hsl_from_cairo_color (hsl, self);
prolooks_hsl_set_lightness (hsl, fmin (prolooks_hsl_get_lightness (hsl) * shade_factor, 1.0));
prolooks_hsl_set_lightness (hsl, fmax (prolooks_hsl_get_lightness (hsl), 0.0));
prolooks_hsl_set_saturation (hsl, fmin (prolooks_hsl_get_saturation (hsl) * shade_factor, 1.0));
prolooks_hsl_set_saturation (hsl, fmax (prolooks_hsl_get_saturation (hsl), 0.0));
result = prolooks_hsl_to_cairo_color (hsl);
_prolooks_hsl_unref0 (hsl);
return result;
}
void cairo_color_set_to (CairoColor* self, CairoColor* a_color) {
g_return_if_fail (self != NULL);
g_return_if_fail (a_color != NULL);
cairo_color_set_red (self, a_color->priv->_red);
cairo_color_set_green (self, a_color->priv->_green);
cairo_color_set_blue (self, a_color->priv->_blue);
cairo_color_set_alpha (self, a_color->priv->_alpha);
}
void cairo_color_set_as_source_in (CairoColor* self, cairo_t* cr) {
g_return_if_fail (self != NULL);
g_return_if_fail (cr != NULL);
cairo_set_source_rgba (cr, self->priv->_red, self->priv->_green, self->priv->_blue, self->priv->_alpha);
}
void cairo_color_add_color_stop_to (CairoColor* self, cairo_pattern_t* p, double offset) {
g_return_if_fail (self != NULL);
g_return_if_fail (p != NULL);
cairo_pattern_add_color_stop_rgba (p, offset, self->priv->_red, self->priv->_green, self->priv->_blue, self->priv->_alpha);
}
void cairo_color_set_from_string (CairoColor* self, const char* webcolor) {
CairoColor* _tmp2_;
GdkColor _tmp1_;
GdkColor _tmp0_ = {0,0,0,0};
g_return_if_fail (self != NULL);
g_return_if_fail (webcolor != NULL);
cairo_color_set_to (self, _tmp2_ = prolooks_gdk_color_to_cairo ((_tmp1_ = (prolooks_color_from_string (webcolor, &_tmp0_), _tmp0_), &_tmp1_)));
_cairo_color_unref0 (_tmp2_);
}
double cairo_color_get_red (CairoColor* self) {
double result;
g_return_val_if_fail (self != NULL, 0.0);
result = self->priv->_red;
return result;
}
void cairo_color_set_red (CairoColor* self, double value) {
g_return_if_fail (self != NULL);
self->priv->_red = value;
}
double cairo_color_get_green (CairoColor* self) {
double result;
g_return_val_if_fail (self != NULL, 0.0);
result = self->priv->_green;
return result;
}
void cairo_color_set_green (CairoColor* self, double value) {
g_return_if_fail (self != NULL);
self->priv->_green = value;
}
double cairo_color_get_blue (CairoColor* self) {
double result;
g_return_val_if_fail (self != NULL, 0.0);
result = self->priv->_blue;
return result;
}
void cairo_color_set_blue (CairoColor* self, double value) {
g_return_if_fail (self != NULL);
self->priv->_blue = value;
}
double cairo_color_get_alpha (CairoColor* self) {
double result;
g_return_val_if_fail (self != NULL, 0.0);
result = self->priv->_alpha;
return result;
}
void cairo_color_set_alpha (CairoColor* self, double value) {
g_return_if_fail (self != NULL);
self->priv->_alpha = value;
}
static void cairo_value_color_init (GValue* value) {
value->data[0].v_pointer = NULL;
}
static void cairo_value_color_free_value (GValue* value) {
if (value->data[0].v_pointer) {
cairo_color_unref (value->data[0].v_pointer);
}
}
static void cairo_value_color_copy_value (const GValue* src_value, GValue* dest_value) {
if (src_value->data[0].v_pointer) {
dest_value->data[0].v_pointer = cairo_color_ref (src_value->data[0].v_pointer);
} else {
dest_value->data[0].v_pointer = NULL;
}
}
static gpointer cairo_value_color_peek_pointer (const GValue* value) {
return value->data[0].v_pointer;
}
static gchar* cairo_value_color_collect_value (GValue* value, guint n_collect_values, GTypeCValue* collect_values, guint collect_flags) {
(void) n_collect_values;
(void) collect_flags;
if (collect_values[0].v_pointer) {
CairoColor* object;
object = (CairoColor*)collect_values[0].v_pointer;
if (object->parent_instance.g_class == NULL) {
return g_strconcat ("invalid unclassed object pointer for value type `", G_VALUE_TYPE_NAME (value), "'", NULL);
} else if (!g_value_type_compatible (G_TYPE_FROM_INSTANCE (object), G_VALUE_TYPE (value))) {
return g_strconcat ("invalid object type `", g_type_name (G_TYPE_FROM_INSTANCE (object)), "' for value type `", G_VALUE_TYPE_NAME (value), "'", NULL);
}
value->data[0].v_pointer = cairo_color_ref (object);
} else {
value->data[0].v_pointer = NULL;
}
return NULL;
}
static gchar* cairo_value_color_lcopy_value (const GValue* value, guint n_collect_values, GTypeCValue* collect_values, guint collect_flags) {
CairoColor** object_p;
(void) n_collect_values;
object_p = (CairoColor**)collect_values[0].v_pointer;
if (!object_p) {
return g_strdup_printf ("value location for `%s' passed as NULL", G_VALUE_TYPE_NAME ((GValue*)value));
}
if (!value->data[0].v_pointer) {
*object_p = NULL;
} else if (collect_flags & G_VALUE_NOCOPY_CONTENTS) {
*object_p = (CairoColor*)value->data[0].v_pointer;
} else {
*object_p = (CairoColor*)cairo_color_ref (value->data[0].v_pointer);
}
return NULL;
}
GParamSpec* cairo_param_spec_color (const gchar* name, const gchar* nick, const gchar* blurb, GType object_type, GParamFlags flags) {
CairoParamSpecColor* spec;
g_return_val_if_fail (g_type_is_a (object_type, CAIRO_TYPE_COLOR), NULL);
spec = (CairoParamSpecColor*)g_param_spec_internal (G_TYPE_PARAM_OBJECT, name, nick, blurb, flags);
G_PARAM_SPEC (spec)->value_type = object_type;
return G_PARAM_SPEC (spec);
}
gpointer cairo_value_get_color (const GValue* value) {
g_return_val_if_fail (G_TYPE_CHECK_VALUE_TYPE ((GValue*)value, CAIRO_TYPE_COLOR), NULL);
return value->data[0].v_pointer;
}
void cairo_value_set_color (GValue* value, gpointer v_object) {
CairoColor* old;
g_return_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, CAIRO_TYPE_COLOR));
old = (CairoColor*)value->data[0].v_pointer;
if (v_object) {
g_return_if_fail (G_TYPE_CHECK_INSTANCE_TYPE (v_object, CAIRO_TYPE_COLOR));
g_return_if_fail (g_value_type_compatible (G_TYPE_FROM_INSTANCE (v_object), G_VALUE_TYPE (value)));
value->data[0].v_pointer = v_object;
cairo_color_ref (value->data[0].v_pointer);
} else {
value->data[0].v_pointer = NULL;
}
if (old) {
cairo_color_unref (old);
}
}
void cairo_value_take_color (GValue* value, gpointer v_object) {
CairoColor* old;
g_return_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, CAIRO_TYPE_COLOR));
old = (CairoColor*)value->data[0].v_pointer;
if (v_object) {
g_return_if_fail (G_TYPE_CHECK_INSTANCE_TYPE (v_object, CAIRO_TYPE_COLOR));
g_return_if_fail (g_value_type_compatible (G_TYPE_FROM_INSTANCE (v_object), G_VALUE_TYPE (value)));
value->data[0].v_pointer = v_object;
} else {
value->data[0].v_pointer = NULL;
}
if (old) {
cairo_color_unref (old);
}
}
static void cairo_color_finalize (CairoColor* obj) {
CairoColor * self;
self = CAIRO_COLOR (obj);
}
static void cairo_color_class_init (CairoColorClass * klass) {
cairo_color_parent_class = g_type_class_peek_parent (klass);
CAIRO_COLOR_CLASS (klass)->finalize = cairo_color_finalize;
g_type_class_add_private (klass, sizeof (CairoColorPrivate));
}
static void cairo_color_instance_init (CairoColor * self) {
self->priv = CAIRO_COLOR_GET_PRIVATE (self);
self->ref_count = 1;
}
GType cairo_color_get_type (void) {
static volatile gsize cairo_color_type_id__volatile = 0;
if (g_once_init_enter (&cairo_color_type_id__volatile)) {
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 };
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 };
static const GTypeFundamentalInfo g_define_type_fundamental_info = { (GTypeFundamentalFlags)(G_TYPE_FLAG_CLASSED | G_TYPE_FLAG_INSTANTIATABLE | G_TYPE_FLAG_DERIVABLE | G_TYPE_FLAG_DEEP_DERIVABLE) };
GType cairo_color_type_id;
cairo_color_type_id = g_type_register_fundamental (g_type_fundamental_next (), "CairoColor", &g_define_type_info, &g_define_type_fundamental_info, (GTypeFlags)0);
g_once_init_leave (&cairo_color_type_id__volatile, cairo_color_type_id);
}
return cairo_color_type_id__volatile;
}
gpointer cairo_color_ref (gpointer instance) {
CairoColor* self;
self = (CairoColor*)instance;
g_atomic_int_inc (&self->ref_count);
return instance;
}
void cairo_color_unref (gpointer instance) {
CairoColor* self;
self = (CairoColor*)instance;
if (g_atomic_int_dec_and_test (&self->ref_count)) {
CAIRO_COLOR_GET_CLASS (self)->finalize (self);
g_type_free_instance ((GTypeInstance *) self);
}
}
GType prolooks_button_state_get_type (void) {
static volatile gsize prolooks_button_state_type_id__volatile = 0;
if (g_once_init_enter (&prolooks_button_state_type_id__volatile)) {
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}};
GType prolooks_button_state_type_id;
prolooks_button_state_type_id = g_enum_register_static ("ProlooksButtonState", values);
g_once_init_leave (&prolooks_button_state_type_id__volatile, prolooks_button_state_type_id);
}
return prolooks_button_state_type_id__volatile;
}
GType prolooks_button_type_get_type (void) {
static volatile gsize prolooks_button_type_type_id__volatile = 0;
if (g_once_init_enter (&prolooks_button_type_type_id__volatile)) {
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}};
GType prolooks_button_type_type_id;
prolooks_button_type_type_id = g_enum_register_static ("ProlooksButtonType", values);
g_once_init_leave (&prolooks_button_type_type_id__volatile, prolooks_button_type_type_id);
}
return prolooks_button_type_type_id__volatile;
}
void prolooks_set_line_width_from_device (cairo_t* cr) {
double ux;
double uy;
g_return_if_fail (cr != NULL);
ux = (double) 1;
uy = (double) 1;
cairo_device_to_user (cr, &ux, &uy);
if (ux < uy) {
ux = uy;
}
cairo_set_line_width (cr, ux);
}
void prolooks_color_from_string (const char* webcolor, GdkColor* result) {
GdkColor color = {0,0,0,0};
g_return_if_fail (webcolor != NULL);
gdk_color_parse (webcolor, &color);
*result = color;
return;
}
char* prolooks_color_to_string (const GdkColor* color) {
char* result = NULL;
guint16 scale;
scale = G_MAXUINT16 / G_MAXUINT8;
result = g_strdup_printf ("#%02x%02x%02x", (guint) ((*color).red / scale), (guint) ((*color).green / scale), (guint) ((*color).blue / scale));
return result;
}
CairoColor* prolooks_cairo_color_from_string (const char* webcolor) {
CairoColor* result = NULL;
GdkColor _tmp1_;
GdkColor _tmp0_ = {0,0,0,0};
g_return_val_if_fail (webcolor != NULL, NULL);
result = prolooks_gdk_color_to_cairo ((_tmp1_ = (prolooks_color_from_string (webcolor, &_tmp0_), _tmp0_), &_tmp1_));
return result;
}
void prolooks_set_source_color (cairo_t* cr, const GdkColor* color, double alpha) {
g_return_if_fail (cr != NULL);
cairo_set_source_rgba (cr, ((double) (*color).red) / ((double) G_MAXUINT16), ((double) (*color).green) / ((double) G_MAXUINT16), ((double) (*color).blue) / ((double) G_MAXUINT16), alpha);
}
void prolooks_gdk_color_to_cairo_color (const GdkColor* color, double* red, double* green, double* blue) {
*red = ((double) (*color).red) / ((double) G_MAXUINT16);
*green = ((double) (*color).green) / ((double) G_MAXUINT16);
*blue = ((double) (*color).blue) / ((double) G_MAXUINT16);
}
CairoColor* prolooks_gdk_color_to_cairo (const GdkColor* color) {
CairoColor* result = NULL;
double r;
double g;
double b;
r = (double) 0;
g = (double) 0;
b = (double) 0;
prolooks_gdk_color_to_cairo_color (color, &r, &g, &b);
result = cairo_color_new (r, g, b, 1.0);
return result;
}
void prolooks_cairo_color_to_gdk (CairoColor* cairo_color, GdkColor* result) {
GdkColor color = {0,0,0,0};
g_return_if_fail (cairo_color != NULL);
memset (&color, 0, sizeof (GdkColor));
color.red = (guint16) (cairo_color_get_red (cairo_color) * ((double) G_MAXUINT16));
color.green = (guint16) (cairo_color_get_green (cairo_color) * ((double) G_MAXUINT16));
color.blue = (guint16) (cairo_color_get_blue (cairo_color) * ((double) G_MAXUINT16));
*result = color;
return;
}
void prolooks_set_source_color_string (cairo_t* cr, const char* color, double alpha) {
GdkColor _tmp1_;
GdkColor _tmp0_ = {0,0,0,0};
g_return_if_fail (cr != NULL);
g_return_if_fail (color != NULL);
prolooks_set_source_color (cr, (_tmp1_ = (prolooks_color_from_string (color, &_tmp0_), _tmp0_), &_tmp1_), alpha);
}
void prolooks_add_color_stop (cairo_pattern_t* p, double offset, const GdkColor* color, double alpha) {
g_return_if_fail (p != NULL);
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);
}
void prolooks_add_color_stop_str (cairo_pattern_t* p, double offset, const char* color, double alpha) {
GdkColor _tmp1_;
GdkColor _tmp0_ = {0,0,0,0};
g_return_if_fail (p != NULL);
g_return_if_fail (color != NULL);
prolooks_add_color_stop (p, offset, (_tmp1_ = (prolooks_color_from_string (color, &_tmp0_), _tmp0_), &_tmp1_), alpha);
}
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) {
cairo_pattern_t* result = NULL;
cairo_pattern_t* gradient;
gradient = cairo_pattern_create_linear (x1, y1, x2, y2);
prolooks_add_color_stop (gradient, (double) 0, start, alpha_start);
prolooks_add_color_stop (gradient, (double) 1, stop, alpha_stop);
result = gradient;
return result;
}
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) {
cairo_pattern_t* result = NULL;
GdkColor _tmp3_;
GdkColor _tmp2_;
GdkColor _tmp1_ = {0,0,0,0};
GdkColor _tmp0_ = {0,0,0,0};
g_return_val_if_fail (start != NULL, NULL);
g_return_val_if_fail (stop != NULL, NULL);
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);
return result;
}
void prolooks_rounded_rect (cairo_t* cr, double x, double y, double w, double h, double radius_x, double radius_y) {
double ARC_TO_BEZIER;
double c1;
double c2;
g_return_if_fail (cr != NULL);
ARC_TO_BEZIER = 0.55228475;
if (radius_x > (w - radius_x)) {
radius_x = w / 2;
}
if (radius_y > (h - radius_y)) {
radius_y = h / 2;
}
c1 = ARC_TO_BEZIER * radius_x;
c2 = ARC_TO_BEZIER * radius_y;
cairo_new_path (cr);
cairo_move_to (cr, x + radius_x, y);
cairo_rel_line_to (cr, w - (2 * radius_x), 0.0);
cairo_rel_curve_to (cr, c1, 0.0, radius_x, c2, radius_x, radius_y);
cairo_rel_line_to (cr, (double) 0, h - (2 * radius_y));
cairo_rel_curve_to (cr, 0.0, c2, c1 - radius_x, radius_y, -radius_x, radius_y);
cairo_rel_line_to (cr, (-w) + (2 * radius_x), (double) 0);
cairo_rel_curve_to (cr, -c1, (double) 0, -radius_x, -c2, -radius_x, -radius_y);
cairo_rel_line_to (cr, (double) 0, (-h) + (2 * radius_y));
cairo_rel_curve_to (cr, 0.0, -c2, radius_x - c1, -radius_y, radius_x, -radius_y);
cairo_close_path (cr);
}
void prolooks_background_gradient (cairo_t* cr, double w, double h) {
GdkColor background_gradient_start = {0,0,0,0};
GdkColor background_gradient_stop = {0,0,0,0};
cairo_pattern_t* background_gradient;
g_return_if_fail (cr != NULL);
gdk_color_parse ("#bebdc2", &background_gradient_start);
gdk_color_parse ("#b1b4b9", &background_gradient_stop);
cairo_rectangle (cr, (double) 0, (double) 0, w, h);
background_gradient = cairo_pattern_create_linear ((double) 0, (double) 0, (double) 0, h);
prolooks_add_color_stop (background_gradient, (double) 0, &background_gradient_start, 1.0);
prolooks_add_color_stop (background_gradient, (double) 1, &background_gradient_stop, 1.0);
cairo_set_source (cr, background_gradient);
cairo_fill (cr);
_cairo_pattern_destroy0 (background_gradient);
}
double prolooks_modula (double number, double divisor) {
double result = 0.0;
result = (((gint) number) % ((gint) divisor)) + (number - ((gint) number));
return result;
}
char* prolooks_hsl_to_string (ProlooksHSL* self) {
char* result = NULL;
g_return_val_if_fail (self != NULL, NULL);
result = g_strdup_printf ("HSL (%f, %f, %f)", self->priv->_hue, self->priv->_saturation, self->priv->_lightness);
return result;
}
CairoColor* prolooks_hsl_to_cairo_color (ProlooksHSL* self) {
CairoColor* result = NULL;
gint i = 0;
double* _tmp0_;
double* hue_shift;
double* _tmp1_;
double* color_shift;
double m1 = 0.0;
double m2 = 0.0;
double m3 = 0.0;
gint _tmp2_ = 0;
CairoColor* color;
g_return_val_if_fail (self != NULL, NULL);
hue_shift = (_tmp0_ = g_new0 (double, 3), _tmp0_);
color_shift = (_tmp1_ = g_new0 (double, 3), _tmp1_);
if (self->priv->_lightness <= 0.5) {
m2 = self->priv->_lightness * (1 + self->priv->_saturation);
} else {
m2 = (self->priv->_lightness + self->priv->_saturation) - (self->priv->_lightness * self->priv->_saturation);
}
m1 = (2 * self->priv->_lightness) - m2;
hue_shift[0] = self->priv->_hue + 120;
hue_shift[1] = self->priv->_hue;
hue_shift[2] = self->priv->_hue - 120;
color_shift[0] = color_shift[1] = color_shift[2] = self->priv->_lightness;
if (self->priv->_saturation == 0) {
_tmp2_ = 3;
} else {
_tmp2_ = 0;
}
i = _tmp2_;
{
gboolean _tmp3_;
_tmp3_ = TRUE;
while (TRUE) {
if (!_tmp3_) {
i++;
}
_tmp3_ = FALSE;
if (!(i < 3)) {
break;
}
m3 = hue_shift[i];
if (m3 > 360) {
m3 = prolooks_modula (m3, (double) 360);
} else {
if (m3 < 0) {
m3 = 360 - prolooks_modula (fabs (m3), (double) 360);
}
}
if (m3 < 60) {
color_shift[i] = m1 + (((m2 - m1) * m3) / 60.0);
} else {
if (m3 < 180) {
color_shift[i] = m2;
} else {
if (m3 < 240) {
color_shift[i] = m1 + (((m2 - m1) * (240 - m3)) / 60.0);
} else {
color_shift[i] = m1;
}
}
}
}
}
color = cairo_color_new (color_shift[0], color_shift[1], color_shift[2], 1.0);
result = color;
hue_shift = (g_free (hue_shift), NULL);
color_shift = (g_free (color_shift), NULL);
return result;
}
void prolooks_hsl_to_gdk_color (ProlooksHSL* self, GdkColor* result) {
GdkColor _tmp1_ = {0,0,0,0};
CairoColor* _tmp0_;
GdkColor _tmp2_;
g_return_if_fail (self != NULL);
*result = (_tmp2_ = (prolooks_cairo_color_to_gdk (_tmp0_ = prolooks_hsl_to_cairo_color (self), &_tmp1_), _tmp1_), _cairo_color_unref0 (_tmp0_), _tmp2_);
return;
}
void prolooks_hsl_from_gdk_color (ProlooksHSL* self, const GdkColor* color) {
CairoColor* _tmp0_;
g_return_if_fail (self != NULL);
prolooks_hsl_from_cairo_color (self, _tmp0_ = prolooks_gdk_color_to_cairo (color));
_cairo_color_unref0 (_tmp0_);
}
void prolooks_hsl_from_cairo_color (ProlooksHSL* self, CairoColor* color) {
double min = 0.0;
double max = 0.0;
double delta = 0.0;
double red;
double green;
double blue;
g_return_if_fail (self != NULL);
g_return_if_fail (color != NULL);
red = cairo_color_get_red (color);
green = cairo_color_get_green (color);
blue = cairo_color_get_blue (color);
if (red > green) {
if (red > blue) {
max = red;
} else {
max = blue;
}
if (green < blue) {
min = green;
} else {
min = blue;
}
} else {
if (green > blue) {
max = green;
} else {
max = blue;
}
if (red < blue) {
min = red;
} else {
min = blue;
}
}
prolooks_hsl_set_lightness (self, (max + min) / 2.0);
if (fabs (max - min) < 0.0001) {
prolooks_hsl_set_hue (self, 0.0);
prolooks_hsl_set_saturation (self, 0.0);
} else {
if (self->priv->_lightness <= 0.5) {
prolooks_hsl_set_saturation (self, (max - min) / (max + min));
} else {
prolooks_hsl_set_saturation (self, (max - min) / ((2.0 - max) - min));
}
delta = max - min;
if (red == max) {
prolooks_hsl_set_hue (self, (green - blue) / delta);
} else {
if (green == max) {
prolooks_hsl_set_hue (self, 2.0 + ((blue - red) / delta));
} else {
if (blue == max) {
prolooks_hsl_set_hue (self, 4.0 + ((red - green) / delta));
}
}
}
prolooks_hsl_set_hue (self, self->priv->_hue * 60.0);
if (self->priv->_hue < 0.0) {
prolooks_hsl_set_hue (self, self->priv->_hue + 360.0);
}
}
}
ProlooksHSL* prolooks_hsl_construct (GType object_type) {
ProlooksHSL* self;
self = (ProlooksHSL*) g_type_create_instance (object_type);
return self;
}
ProlooksHSL* prolooks_hsl_new (void) {
return prolooks_hsl_construct (PROLOOKS_TYPE_HSL);
}
double prolooks_hsl_get_hue (ProlooksHSL* self) {
double result;
g_return_val_if_fail (self != NULL, 0.0);
result = self->priv->_hue;
return result;
}
void prolooks_hsl_set_hue (ProlooksHSL* self, double value) {
g_return_if_fail (self != NULL);
self->priv->_hue = value;
}
double prolooks_hsl_get_saturation (ProlooksHSL* self) {
double result;
g_return_val_if_fail (self != NULL, 0.0);
result = self->priv->_saturation;
return result;
}
void prolooks_hsl_set_saturation (ProlooksHSL* self, double value) {
g_return_if_fail (self != NULL);
self->priv->_saturation = value;
}
double prolooks_hsl_get_lightness (ProlooksHSL* self) {
double result;
g_return_val_if_fail (self != NULL, 0.0);
result = self->priv->_lightness;
return result;
}
void prolooks_hsl_set_lightness (ProlooksHSL* self, double value) {
g_return_if_fail (self != NULL);
self->priv->_lightness = value;
}
static void prolooks_value_hsl_init (GValue* value) {
value->data[0].v_pointer = NULL;
}
static void prolooks_value_hsl_free_value (GValue* value) {
if (value->data[0].v_pointer) {
prolooks_hsl_unref (value->data[0].v_pointer);
}
}
static void prolooks_value_hsl_copy_value (const GValue* src_value, GValue* dest_value) {
if (src_value->data[0].v_pointer) {
dest_value->data[0].v_pointer = prolooks_hsl_ref (src_value->data[0].v_pointer);
} else {
dest_value->data[0].v_pointer = NULL;
}
}
static gpointer prolooks_value_hsl_peek_pointer (const GValue* value) {
return value->data[0].v_pointer;
}
static gchar* prolooks_value_hsl_collect_value (GValue* value, guint n_collect_values, GTypeCValue* collect_values, guint collect_flags) {
(void) n_collect_values;
(void) collect_flags;
if (collect_values[0].v_pointer) {
ProlooksHSL* object;
object = (ProlooksHSL*)collect_values[0].v_pointer;
if (object->parent_instance.g_class == NULL) {
return g_strconcat ("invalid unclassed object pointer for value type `", G_VALUE_TYPE_NAME (value), "'", NULL);
} else if (!g_value_type_compatible (G_TYPE_FROM_INSTANCE (object), G_VALUE_TYPE (value))) {
return g_strconcat ("invalid object type `", g_type_name (G_TYPE_FROM_INSTANCE (object)), "' for value type `", G_VALUE_TYPE_NAME (value), "'", NULL);
}
value->data[0].v_pointer = prolooks_hsl_ref (object);
} else {
value->data[0].v_pointer = NULL;
}
return NULL;
}
static gchar* prolooks_value_hsl_lcopy_value (const GValue* value, guint n_collect_values, GTypeCValue* collect_values, guint collect_flags) {
ProlooksHSL** object_p;
(void) n_collect_values;
object_p = (ProlooksHSL**)collect_values[0].v_pointer;
if (!object_p) {
return g_strdup_printf ("value location for `%s' passed as NULL", G_VALUE_TYPE_NAME ((GValue*)value));
}
if (!value->data[0].v_pointer) {
*object_p = NULL;
} else if (collect_flags & G_VALUE_NOCOPY_CONTENTS) {
*object_p = (ProlooksHSL*)value->data[0].v_pointer;
} else {
*object_p = (ProlooksHSL*)prolooks_hsl_ref (value->data[0].v_pointer);
}
return NULL;
}
GParamSpec* prolooks_param_spec_hsl (const gchar* name, const gchar* nick, const gchar* blurb, GType object_type, GParamFlags flags) {
ProlooksParamSpecHSL* spec;
g_return_val_if_fail (g_type_is_a (object_type, PROLOOKS_TYPE_HSL), NULL);
spec = (ProlooksParamSpecHSL*)g_param_spec_internal (G_TYPE_PARAM_OBJECT, name, nick, blurb, flags);
G_PARAM_SPEC (spec)->value_type = object_type;
return G_PARAM_SPEC (spec);
}
gpointer prolooks_value_get_hsl (const GValue* value) {
g_return_val_if_fail (G_TYPE_CHECK_VALUE_TYPE ((GValue*)value, PROLOOKS_TYPE_HSL), NULL);
return value->data[0].v_pointer;
}
void prolooks_value_set_hsl (GValue* value, gpointer v_object) {
ProlooksHSL* old;
g_return_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, PROLOOKS_TYPE_HSL));
old = (ProlooksHSL*)value->data[0].v_pointer;
if (v_object) {
g_return_if_fail (G_TYPE_CHECK_INSTANCE_TYPE (v_object, PROLOOKS_TYPE_HSL));
g_return_if_fail (g_value_type_compatible (G_TYPE_FROM_INSTANCE (v_object), G_VALUE_TYPE (value)));
value->data[0].v_pointer = v_object;
prolooks_hsl_ref (value->data[0].v_pointer);
} else {
value->data[0].v_pointer = NULL;
}
if (old) {
prolooks_hsl_unref (old);
}
}
void prolooks_value_take_hsl (GValue* value, gpointer v_object) {
ProlooksHSL* old;
g_return_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, PROLOOKS_TYPE_HSL));
old = (ProlooksHSL*)value->data[0].v_pointer;
if (v_object) {
g_return_if_fail (G_TYPE_CHECK_INSTANCE_TYPE (v_object, PROLOOKS_TYPE_HSL));
g_return_if_fail (g_value_type_compatible (G_TYPE_FROM_INSTANCE (v_object), G_VALUE_TYPE (value)));
value->data[0].v_pointer = v_object;
} else {
value->data[0].v_pointer = NULL;
}
if (old) {
prolooks_hsl_unref (old);
}
}
static void prolooks_hsl_finalize (ProlooksHSL* obj) {
ProlooksHSL * self;
self = PROLOOKS_HSL (obj);
}
static void prolooks_hsl_class_init (ProlooksHSLClass * klass) {
prolooks_hsl_parent_class = g_type_class_peek_parent (klass);
PROLOOKS_HSL_CLASS (klass)->finalize = prolooks_hsl_finalize;
g_type_class_add_private (klass, sizeof (ProlooksHSLPrivate));
}
static void prolooks_hsl_instance_init (ProlooksHSL * self) {
self->priv = PROLOOKS_HSL_GET_PRIVATE (self);
self->ref_count = 1;
}
GType prolooks_hsl_get_type (void) {
static volatile gsize prolooks_hsl_type_id__volatile = 0;
if (g_once_init_enter (&prolooks_hsl_type_id__volatile)) {
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 };
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 };
static const GTypeFundamentalInfo g_define_type_fundamental_info = { (GTypeFundamentalFlags)(G_TYPE_FLAG_CLASSED | G_TYPE_FLAG_INSTANTIATABLE | G_TYPE_FLAG_DERIVABLE | G_TYPE_FLAG_DEEP_DERIVABLE) };
GType prolooks_hsl_type_id;
prolooks_hsl_type_id = g_type_register_fundamental (g_type_fundamental_next (), "ProlooksHSL", &g_define_type_info, &g_define_type_fundamental_info, (GTypeFlags)0);
g_once_init_leave (&prolooks_hsl_type_id__volatile, prolooks_hsl_type_id);
}
return prolooks_hsl_type_id__volatile;
}
gpointer prolooks_hsl_ref (gpointer instance) {
ProlooksHSL* self;
self = (ProlooksHSL*)instance;
g_atomic_int_inc (&self->ref_count);
return instance;
}
void prolooks_hsl_unref (gpointer instance) {
ProlooksHSL* self;
self = (ProlooksHSL*)instance;
if (g_atomic_int_dec_and_test (&self->ref_count)) {
PROLOOKS_HSL_GET_CLASS (self)->finalize (self);
g_type_free_instance ((GTypeInstance *) self);
}
}
char* prolooks_hsv_to_string (ProlooksHSV* self) {
char* result = NULL;
g_return_val_if_fail (self != NULL, NULL);
result = g_strdup_printf ("HSV (%f, %f, %f)", self->priv->_hue, self->priv->_saturation, self->priv->_value);
return result;
}
ProlooksHSV* prolooks_hsv_construct_for_gdk_color (GType object_type, const GdkColor* color) {
ProlooksHSV* self;
self = (ProlooksHSV*) g_type_create_instance (object_type);
prolooks_hsv_from_gdk_color (self, color);
return self;
}
ProlooksHSV* prolooks_hsv_new_for_gdk_color (const GdkColor* color) {
return prolooks_hsv_construct_for_gdk_color (PROLOOKS_TYPE_HSV, color);
}
ProlooksHSV* prolooks_hsv_construct_for_cairo_color (GType object_type, CairoColor* color) {
ProlooksHSV* self;
g_return_val_if_fail (color != NULL, NULL);
self = (ProlooksHSV*) g_type_create_instance (object_type);
prolooks_hsv_from_cairo_color (self, color);
return self;
}
ProlooksHSV* prolooks_hsv_new_for_cairo_color (CairoColor* color) {
return prolooks_hsv_construct_for_cairo_color (PROLOOKS_TYPE_HSV, color);
}
CairoColor* prolooks_hsv_to_cairo_color (ProlooksHSV* self) {
CairoColor* result = NULL;
double r;
double g;
double b;
gint hi = 0;
double f = 0.0;
double p = 0.0;
double q = 0.0;
double t = 0.0;
CairoColor* color;
g_return_val_if_fail (self != NULL, NULL);
r = 0.0;
g = 0.0;
b = 0.0;
hi = (gint) prolooks_modula (floor (self->priv->_hue / 60.0), (double) 6);
f = (self->priv->_hue / 60.0) - floor (self->priv->_hue / 60.0);
p = self->priv->_value * (1.0 - self->priv->_saturation);
q = self->priv->_value * (1.0 - (f * self->priv->_saturation));
t = self->priv->_value * (1.0 - ((1.0 - f) * self->priv->_saturation));
switch (hi) {
case 0:
{
r = self->priv->_value;
g = t;
b = p;
break;
}
case 1:
{
r = q;
g = self->priv->_value;
b = p;
break;
}
case 2:
{
r = p;
g = self->priv->_value;
b = t;
break;
}
case 3:
{
r = p;
g = q;
b = self->priv->_value;
break;
}
case 4:
{
r = t;
g = p;
b = self->priv->_value;
break;
}
case 5:
{
r = self->priv->_value;
g = p;
b = q;
break;
}
default:
{
break;
}
}
color = cairo_color_new (r, g, b, 1.0);
result = color;
return result;
}
void prolooks_hsv_to_gdk_color (ProlooksHSV* self, GdkColor* result) {
GdkColor _tmp1_ = {0,0,0,0};
CairoColor* _tmp0_;
GdkColor _tmp2_;
g_return_if_fail (self != NULL);
*result = (_tmp2_ = (prolooks_cairo_color_to_gdk (_tmp0_ = prolooks_hsv_to_cairo_color (self), &_tmp1_), _tmp1_), _cairo_color_unref0 (_tmp0_), _tmp2_);
return;
}
void prolooks_hsv_from_gdk_color (ProlooksHSV* self, const GdkColor* color) {
CairoColor* _tmp0_;
g_return_if_fail (self != NULL);
prolooks_hsv_from_cairo_color (self, _tmp0_ = prolooks_gdk_color_to_cairo (color));
_cairo_color_unref0 (_tmp0_);
}
void prolooks_hsv_from_cairo_color (ProlooksHSV* self, CairoColor* color) {
double min = 0.0;
double max = 0.0;
double delta = 0.0;
double red;
double green;
double blue;
g_return_if_fail (self != NULL);
g_return_if_fail (color != NULL);
red = cairo_color_get_red (color);
green = cairo_color_get_green (color);
blue = cairo_color_get_blue (color);
if (red > green) {
if (red > blue) {
max = red;
} else {
max = blue;
}
if (green < blue) {
min = green;
} else {
min = blue;
}
} else {
if (green > blue) {
max = green;
} else {
max = blue;
}
if (red < blue) {
min = red;
} else {
min = blue;
}
}
prolooks_hsv_set_value (self, max);
if (fabs (max - min) < 0.0001) {
prolooks_hsv_set_hue (self, 0.0);
prolooks_hsv_set_saturation (self, 0.0);
} else {
if (max < 0.0001) {
prolooks_hsv_set_saturation (self, (double) 0);
} else {
prolooks_hsv_set_saturation (self, (max - min) / max);
}
delta = max - min;
if (red == max) {
prolooks_hsv_set_hue (self, (green - blue) / delta);
} else {
if (green == max) {
prolooks_hsv_set_hue (self, 2.0 + ((blue - red) / delta));
} else {
if (blue == max) {
prolooks_hsv_set_hue (self, 4.0 + ((red - green) / delta));
}
}
}
prolooks_hsv_set_hue (self, self->priv->_hue * 60.0);
if (self->priv->_hue < 0.0) {
prolooks_hsv_set_hue (self, self->priv->_hue + 360.0);
}
}
}
ProlooksHSV* prolooks_hsv_construct (GType object_type) {
ProlooksHSV* self;
self = (ProlooksHSV*) g_type_create_instance (object_type);
return self;
}
ProlooksHSV* prolooks_hsv_new (void) {
return prolooks_hsv_construct (PROLOOKS_TYPE_HSV);
}
double prolooks_hsv_get_hue (ProlooksHSV* self) {
double result;
g_return_val_if_fail (self != NULL, 0.0);
result = self->priv->_hue;
return result;
}
void prolooks_hsv_set_hue (ProlooksHSV* self, double value) {
g_return_if_fail (self != NULL);
self->priv->_hue = value;
}
double prolooks_hsv_get_saturation (ProlooksHSV* self) {
double result;
g_return_val_if_fail (self != NULL, 0.0);
result = self->priv->_saturation;
return result;
}
void prolooks_hsv_set_saturation (ProlooksHSV* self, double value) {
g_return_if_fail (self != NULL);
self->priv->_saturation = value;
}
double prolooks_hsv_get_value (ProlooksHSV* self) {
double result;
g_return_val_if_fail (self != NULL, 0.0);
result = self->priv->_value;
return result;
}
void prolooks_hsv_set_value (ProlooksHSV* self, double value) {
g_return_if_fail (self != NULL);
self->priv->_value = value;
}
static void prolooks_value_hsv_init (GValue* value) {
value->data[0].v_pointer = NULL;
}
static void prolooks_value_hsv_free_value (GValue* value) {
if (value->data[0].v_pointer) {
prolooks_hsv_unref (value->data[0].v_pointer);
}
}
static void prolooks_value_hsv_copy_value (const GValue* src_value, GValue* dest_value) {
if (src_value->data[0].v_pointer) {
dest_value->data[0].v_pointer = prolooks_hsv_ref (src_value->data[0].v_pointer);
} else {
dest_value->data[0].v_pointer = NULL;
}
}
static gpointer prolooks_value_hsv_peek_pointer (const GValue* value) {
return value->data[0].v_pointer;
}
static gchar* prolooks_value_hsv_collect_value (GValue* value, guint n_collect_values, GTypeCValue* collect_values, guint collect_flags) {
(void) collect_flags;
(void) n_collect_values;
if (collect_values[0].v_pointer) {
ProlooksHSV* object;
object = (ProlooksHSV*)collect_values[0].v_pointer;
if (object->parent_instance.g_class == NULL) {
return g_strconcat ("invalid unclassed object pointer for value type `", G_VALUE_TYPE_NAME (value), "'", NULL);
} else if (!g_value_type_compatible (G_TYPE_FROM_INSTANCE (object), G_VALUE_TYPE (value))) {
return g_strconcat ("invalid object type `", g_type_name (G_TYPE_FROM_INSTANCE (object)), "' for value type `", G_VALUE_TYPE_NAME (value), "'", NULL);
}
value->data[0].v_pointer = prolooks_hsv_ref (object);
} else {
value->data[0].v_pointer = NULL;
}
return NULL;
}
static gchar* prolooks_value_hsv_lcopy_value (const GValue* value, guint n_collect_values, GTypeCValue* collect_values, guint collect_flags) {
ProlooksHSV** object_p;
(void) n_collect_values;
object_p = (ProlooksHSV**)collect_values[0].v_pointer;
if (!object_p) {
return g_strdup_printf ("value location for `%s' passed as NULL", G_VALUE_TYPE_NAME ((GValue*)value));
}
if (!value->data[0].v_pointer) {
*object_p = NULL;
} else if (collect_flags & G_VALUE_NOCOPY_CONTENTS) {
*object_p = (ProlooksHSV*)value->data[0].v_pointer;
} else {
*object_p = (ProlooksHSV*)prolooks_hsv_ref (value->data[0].v_pointer);
}
return NULL;
}
GParamSpec* prolooks_param_spec_hsv (const gchar* name, const gchar* nick, const gchar* blurb, GType object_type, GParamFlags flags) {
ProlooksParamSpecHSV* spec;
g_return_val_if_fail (g_type_is_a (object_type, PROLOOKS_TYPE_HSV), NULL);
spec = (ProlooksParamSpecHSV*)g_param_spec_internal (G_TYPE_PARAM_OBJECT, name, nick, blurb, flags);
G_PARAM_SPEC (spec)->value_type = object_type;
return G_PARAM_SPEC (spec);
}
gpointer prolooks_value_get_hsv (const GValue* value) {
g_return_val_if_fail (G_TYPE_CHECK_VALUE_TYPE ((GValue*) value, PROLOOKS_TYPE_HSV), NULL);
return value->data[0].v_pointer;
}
void prolooks_value_set_hsv (GValue* value, gpointer v_object) {
ProlooksHSV* old;
g_return_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, PROLOOKS_TYPE_HSV));
old = (ProlooksHSV*)value->data[0].v_pointer;
if (v_object) {
g_return_if_fail (G_TYPE_CHECK_INSTANCE_TYPE (v_object, PROLOOKS_TYPE_HSV));
g_return_if_fail (g_value_type_compatible (G_TYPE_FROM_INSTANCE (v_object), G_VALUE_TYPE (value)));
value->data[0].v_pointer = v_object;
prolooks_hsv_ref (value->data[0].v_pointer);
} else {
value->data[0].v_pointer = NULL;
}
if (old) {
prolooks_hsv_unref (old);
}
}
void prolooks_value_take_hsv (GValue* value, gpointer v_object) {
ProlooksHSV* old;
g_return_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, PROLOOKS_TYPE_HSV));
old = (ProlooksHSV*)value->data[0].v_pointer;
if (v_object) {
g_return_if_fail (G_TYPE_CHECK_INSTANCE_TYPE (v_object, PROLOOKS_TYPE_HSV));
g_return_if_fail (g_value_type_compatible (G_TYPE_FROM_INSTANCE (v_object), G_VALUE_TYPE (value)));
value->data[0].v_pointer = v_object;
} else {
value->data[0].v_pointer = NULL;
}
if (old) {
prolooks_hsv_unref (old);
}
}
static void prolooks_hsv_finalize (ProlooksHSV* obj) {
ProlooksHSV * self;
self = PROLOOKS_HSV (obj);
}
static void prolooks_hsv_class_init (ProlooksHSVClass * klass) {
prolooks_hsv_parent_class = g_type_class_peek_parent (klass);
PROLOOKS_HSV_CLASS (klass)->finalize = prolooks_hsv_finalize;
g_type_class_add_private (klass, sizeof (ProlooksHSVPrivate));
}
static void prolooks_hsv_instance_init (ProlooksHSV * self) {
self->priv = PROLOOKS_HSV_GET_PRIVATE (self);
self->ref_count = 1;
}
GType prolooks_hsv_get_type (void) {
static volatile gsize prolooks_hsv_type_id__volatile = 0;
if (g_once_init_enter (&prolooks_hsv_type_id__volatile)) {
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 };
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 };
static const GTypeFundamentalInfo g_define_type_fundamental_info = { (GTypeFundamentalFlags)(G_TYPE_FLAG_CLASSED | G_TYPE_FLAG_INSTANTIATABLE | G_TYPE_FLAG_DERIVABLE | G_TYPE_FLAG_DEEP_DERIVABLE) };
GType prolooks_hsv_type_id;
prolooks_hsv_type_id = g_type_register_fundamental (g_type_fundamental_next (), "ProlooksHSV", &g_define_type_info, &g_define_type_fundamental_info, (GTypeFlags)0);
g_once_init_leave (&prolooks_hsv_type_id__volatile, prolooks_hsv_type_id);
}
return prolooks_hsv_type_id__volatile;
}
gpointer prolooks_hsv_ref (gpointer instance) {
ProlooksHSV* self;
self = (ProlooksHSV*)instance;
g_atomic_int_inc (&self->ref_count);
return instance;
}
void prolooks_hsv_unref (gpointer instance) {
ProlooksHSV* self;
self = (ProlooksHSV*)instance;
if (g_atomic_int_dec_and_test (&self->ref_count)) {
PROLOOKS_HSV_GET_CLASS (self)->finalize (self);
g_type_free_instance ((GTypeInstance *) self);
}
}
void prolooks_shade_color (const GdkColor* orig, double shade_ratio, GdkColor* result) {
ProlooksHSL* HSL;
GdkColor _tmp0_ = {0,0,0,0};
GdkColor _result_;
HSL = prolooks_hsl_new ();
prolooks_hsl_from_gdk_color (HSL, orig);
prolooks_hsl_set_lightness (HSL, fmin (prolooks_hsl_get_lightness (HSL) * shade_ratio, 1.0));
prolooks_hsl_set_lightness (HSL, fmax (prolooks_hsl_get_lightness (HSL), 0.0));
prolooks_hsl_set_saturation (HSL, fmin (prolooks_hsl_get_saturation (HSL) * shade_ratio, 1.0));
prolooks_hsl_set_saturation (HSL, fmax (prolooks_hsl_get_saturation (HSL), 0.0));
_result_ = (prolooks_hsl_to_gdk_color (HSL, &_tmp0_), _tmp0_);
*result = _result_;
_prolooks_hsl_unref0 (HSL);
return;
}
GdkPixbuf* prolooks_cairo_image_surface_to_pixbuf (cairo_surface_t* surface) {
GdkPixbuf* result = NULL;
guchar* _tmp0_;
guchar* knob_data;
g_return_val_if_fail (surface != NULL, NULL);
if (cairo_image_surface_get_format (surface) != CAIRO_FORMAT_ARGB32) {
result = NULL;
return result;
}
knob_data = (_tmp0_ = cairo_image_surface_get_data (surface), _tmp0_);
{
gint i;
i = 0;
{
gboolean _tmp1_;
_tmp1_ = TRUE;
while (TRUE) {
guchar r;
guchar g;
guchar b;
guchar a;
if (!_tmp1_) {
i = i + 4;
}
_tmp1_ = FALSE;
if (!(i < (cairo_image_surface_get_height (surface) * cairo_image_surface_get_stride (surface)))) {
break;
}
r = knob_data[i + 0];
g = knob_data[i + 1];
b = knob_data[i + 2];
a = knob_data[i + 3];
knob_data[i + 0] = b;
knob_data[i + 1] = g;
knob_data[i + 2] = r;
knob_data[i + 3] = a;
}
}
}
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);
return result;
}
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