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+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
+
+/* eel-gdk-extensions.c: Graphics routines to augment what's in gdk.
+
+ Copyright (C) 1999, 2000 Eazel, Inc.
+
+ The Mate Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The Mate Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the Mate Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA.
+
+ Authors: Darin Adler <[email protected]>,
+ Pavel Cisler <[email protected]>,
+ Ramiro Estrugo <[email protected]>
+*/
+
+#include <config.h>
+#include "eel-gdk-extensions.h"
+
+#include "eel-glib-extensions.h"
+#include "eel-lib-self-check-functions.h"
+#include "eel-string.h"
+#include <gdk-pixbuf/gdk-pixbuf.h>
+#include <gdk/gdkprivate.h>
+#include <gdk/gdk.h>
+#include <gdk/gdkx.h>
+#include <stdlib.h>
+#include <pango/pango.h>
+
+#define GRADIENT_BAND_SIZE 4
+
+/**
+ * eel_gdk_rectangle_contains_rectangle:
+ * @outer: Rectangle possibly containing another rectangle.
+ * @inner: Rectangle that might be inside.
+ *
+ * Retun TRUE if inner rectangle is contained inside outer rectangle
+ */
+gboolean
+eel_gdk_rectangle_contains_rectangle (GdkRectangle outer, GdkRectangle inner)
+{
+ return outer.x <= inner.x && outer.x + outer.width >= inner.x + inner.width
+ && outer.y <= inner.y && outer.y + outer.height >= inner.y + inner.height;
+}
+
+/**
+ * eel_interpolate_color:
+ * @ratio: Place on line between colors to interpolate.
+ * @start_color: Color for one end.
+ * @end_color: Color for the other end
+ * @interpolated_color: Result.
+ *
+ * Compute a color between @start_color and @end_color in color space.
+ * Currently, the color space used is RGB, but a future version could
+ * instead do the interpolation in the best color space for expressing
+ * human perception.
+ */
+guint32
+eel_interpolate_color (gdouble ratio,
+ guint32 start_rgb,
+ guint32 end_rgb)
+{
+ guchar red, green, blue;
+
+ g_return_val_if_fail (ratio >= 0.0, 0);
+ g_return_val_if_fail (ratio <= 1.0, 0);
+
+ red = ((start_rgb >> 16) & 0xFF) * (1.0 - ratio) + ((end_rgb >> 16) & 0xFF) * ratio;
+ green = ((start_rgb >> 8) & 0xFF) * (1.0 - ratio) + ((end_rgb >> 8) & 0xFF) * ratio;
+ blue = (start_rgb & 0xFF) * (1.0 - ratio) + (end_rgb & 0xFF) * ratio;
+ return (((red << 8) | green) << 8) | blue;
+}
+
+/**
+ * eel_gradient_new
+ * @start_color: Color for the top or left.
+ * @end_color: Color for the bottom or right.
+ * @is_horizontal: Direction of the gradient.
+ *
+ * Create a string that combines the start and end colors along
+ * with the direction of the gradient in a standard format.
+ */
+char *
+eel_gradient_new (const char *start_color,
+ const char *end_color,
+ gboolean is_horizontal)
+{
+ /* Handle the special case where the start and end colors are identical.
+ Handle the special case where the end color is an empty string.
+ */
+ if (eel_strcmp(start_color, end_color) == 0 || end_color == NULL || end_color[0] == '\0')
+ {
+ return g_strdup (start_color);
+ }
+
+ /* Handle the special case where the start color is an empty string. */
+ if (start_color == NULL || start_color[0] == '\0')
+ {
+ return g_strdup (end_color);
+ }
+
+ /* Handle the general case. */
+ return g_strconcat (start_color, "-", end_color, is_horizontal ? ":h" : NULL, NULL);
+}
+
+/**
+ * eel_gradient_is_gradient
+ * @gradient_spec: A gradient spec. string.
+ *
+ * Return true if the spec. specifies a gradient instead of a solid color.
+ */
+gboolean
+eel_gradient_is_gradient (const char *gradient_spec)
+{
+ return eel_strchr (gradient_spec, '-') != NULL;
+}
+
+/**
+ * eel_gradient_is_horizontal
+ * @gradient_spec: A gradient spec. string.
+ *
+ * Return true if the spec. specifies a horizontal gradient.
+ */
+gboolean
+eel_gradient_is_horizontal (const char *gradient_spec)
+{
+ size_t length;
+
+ length = eel_strlen (gradient_spec);
+ return length >= 2 && gradient_spec[length - 2] == ':' && gradient_spec[length - 1] == 'h';
+}
+
+static char *
+eel_gradient_strip_trailing_direction_if_any (const char *gradient_spec)
+{
+ size_t length;
+
+ length = eel_strlen (gradient_spec);
+ if (length >= 2 && gradient_spec[length - 2] == ':'
+ && (gradient_spec[length - 1] == 'v' || gradient_spec[length - 1] == 'h'))
+ {
+ length -= 2;
+ }
+
+ return g_strndup (gradient_spec, length);
+}
+
+/* For parsing n-point gradients. Successive calls should pass the next_spec value
+ * set by the previous call as their first argument - to continue parsing where the
+ * previous call left off.
+ */
+char *
+eel_gradient_parse_one_color_spec (const char *spec, int *percent, const char **next_spec)
+{
+ char *result;
+ const char *rgb_end_ptr;
+ const char *percent_ptr;
+ const char *separator_ptr;
+
+ percent_ptr = eel_strchr (spec, '%');
+ separator_ptr = eel_strchr (spec, '-');
+
+ if (percent_ptr != NULL && (separator_ptr == NULL || percent_ptr < separator_ptr))
+ {
+ if (percent != NULL)
+ {
+ *percent = (int) strtol (percent_ptr + 1, NULL, 10);
+ }
+ rgb_end_ptr = percent_ptr;
+ }
+ else
+ {
+ if (percent != NULL)
+ {
+ *percent = 100;
+ }
+ rgb_end_ptr = separator_ptr;
+ }
+
+ if (rgb_end_ptr != NULL)
+ {
+ result = g_strndup (spec, rgb_end_ptr - spec);
+ }
+ else
+ {
+ result = eel_gradient_strip_trailing_direction_if_any (spec);
+ }
+
+ /* It's important not to use spec after setting *next_spec because it's
+ * likely that *next_spec == spec.
+ */
+ if (next_spec != NULL)
+ {
+ *next_spec = (separator_ptr != NULL) ? separator_ptr + 1 : NULL;
+ }
+
+ return result;
+}
+
+/* FIXME bugzilla.eazel.com 5076:
+ * anyone using eel_gradient_get_start_color_spec or
+ * eel_gradient_get_end_color_spec is assuming the gradient
+ * is 2 colors which is questionable.
+ *
+ * Callers should be rewritten and these fns eliminated.
+ */
+
+/**
+ * eel_gradient_get_start_color_spec
+ * @gradient_spec: A gradient spec. string.
+ *
+ * Return the start color.
+ * This may be the entire gradient_spec if it's a solid color.
+ */
+char *
+eel_gradient_get_start_color_spec (const char *gradient_spec)
+{
+ return eel_gradient_parse_one_color_spec (gradient_spec, NULL, NULL);
+}
+
+/**
+ * eel_gradient_get_end_color_spec
+ * @gradient_spec: A gradient spec. string.
+ *
+ * Return the end color.
+ * This may be the entire gradient_spec if it's a solid color.
+ */
+char *
+eel_gradient_get_end_color_spec (const char *gradient_spec)
+{
+ char* color = NULL;
+
+ do
+ {
+ g_free (color);
+ color = eel_gradient_parse_one_color_spec (gradient_spec, NULL, &gradient_spec);
+ }
+ while (gradient_spec != NULL);
+
+ return color;
+}
+
+/* Do the work shared by all the set_color_spec functions below. */
+static char *
+eel_gradient_set_edge_color (const char *gradient_spec,
+ const char *edge_color,
+ gboolean is_horizontal,
+ gboolean change_end)
+{
+ char *opposite_color;
+ char *result;
+
+ g_assert (edge_color != NULL);
+
+ /* Get the color from the existing gradient spec. for the opposite
+ edge. This will parse away all the stuff we don't want from the
+ old gradient spec.
+ */
+ opposite_color = change_end
+ ? eel_gradient_get_start_color_spec (gradient_spec)
+ : eel_gradient_get_end_color_spec (gradient_spec);
+
+ /* Create a new gradient spec. The eel_gradient_new function handles
+ some special cases, so we don't have to bother with them here.
+ */
+ result = eel_gradient_new (change_end ? opposite_color : edge_color,
+ change_end ? edge_color : opposite_color,
+ is_horizontal);
+
+ g_free (opposite_color);
+
+ return result;
+}
+
+/**
+ * eel_gradient_set_left_color_spec
+ * @gradient_spec: A gradient spec. string.
+ * @left_color: Color spec. to replace left color with.
+ *
+ * Changes the left color to what's passed in.
+ * This creates a horizontal gradient.
+ */
+char *
+eel_gradient_set_left_color_spec (const char *gradient_spec,
+ const char *left_color)
+{
+ g_return_val_if_fail (gradient_spec != NULL, NULL);
+ g_return_val_if_fail (left_color != NULL, NULL);
+
+ return eel_gradient_set_edge_color (gradient_spec, left_color, TRUE, FALSE);
+}
+
+/**
+ * eel_gradient_set_top_color_spec
+ * @gradient_spec: A gradient spec. string.
+ * @top_color: Color spec. to replace top color with.
+ *
+ * Changes the top color to what's passed in.
+ * This creates a vertical gradient.
+ */
+char *
+eel_gradient_set_top_color_spec (const char *gradient_spec,
+ const char *top_color)
+{
+ g_return_val_if_fail (gradient_spec != NULL, NULL);
+ g_return_val_if_fail (top_color != NULL, NULL);
+
+ return eel_gradient_set_edge_color (gradient_spec, top_color, FALSE, FALSE);
+}
+
+/**
+ * eel_gradient_set_right_color_spec
+ * @gradient_spec: A gradient spec. string.
+ * @right_color: Color spec. to replace right color with.
+ *
+ * Changes the right color to what's passed in.
+ * This creates a horizontal gradient.
+ */
+char *
+eel_gradient_set_right_color_spec (const char *gradient_spec,
+ const char *right_color)
+{
+ g_return_val_if_fail (gradient_spec != NULL, NULL);
+ g_return_val_if_fail (right_color != NULL, NULL);
+
+ return eel_gradient_set_edge_color (gradient_spec, right_color, TRUE, TRUE);
+}
+
+/**
+ * eel_gradient_set_bottom_color_spec
+ * @gradient_spec: A gradient spec. string.
+ * @bottom_color: Color spec. to replace bottom color with.
+ *
+ * Changes the bottom color to what's passed in.
+ * This creates a vertical gradient.
+ */
+char *
+eel_gradient_set_bottom_color_spec (const char *gradient_spec,
+ const char *bottom_color)
+{
+ g_return_val_if_fail (gradient_spec != NULL, NULL);
+ g_return_val_if_fail (bottom_color != NULL, NULL);
+
+ return eel_gradient_set_edge_color (gradient_spec, bottom_color, FALSE, TRUE);
+}
+
+/**
+ * eel_gdk_color_parse_with_white_default
+ * @color_spec: A color spec, or NULL.
+ * @color: Pointer to place to put resulting color.
+ *
+ * The same as gdk_color_parse, except sets the color to white if
+ * the spec. can't be parsed, instead of returning a boolean flag.
+ */
+void
+eel_gdk_color_parse_with_white_default (const char *color_spec,
+ GdkColor *color)
+{
+ gboolean got_color;
+
+ g_return_if_fail (color != NULL);
+
+ got_color = FALSE;
+ if (color_spec != NULL)
+ {
+ if (gdk_color_parse (color_spec, color))
+ {
+ got_color = TRUE;
+ }
+ }
+
+ if (!got_color)
+ {
+ color->red = 0xFFFF;
+ color->green = 0xFFFF;
+ color->blue = 0xFFFF;
+ }
+}
+
+/**
+ * eel_parse_rgb_with_white_default
+ * @color_spec: A color spec, or NULL.
+ * Returns: An rgb value.
+ *
+ * The same as gdk_color_parse, except sets the color to white if
+ * the spec. can't be parsed instead of returning a boolean flag
+ * and returns a guint32 rgb value instead of a GdkColor.
+ */
+guint32
+eel_parse_rgb_with_white_default (const char *color_spec)
+{
+ GdkColor color;
+
+ eel_gdk_color_parse_with_white_default (color_spec, &color);
+ return ((color.red << 8) & EEL_RGB_COLOR_RED)
+ | (color.green & EEL_RGB_COLOR_GREEN)
+ | ((color.blue >> 8) & EEL_RGB_COLOR_BLUE);
+}
+
+guint32
+eel_rgb16_to_rgb (gushort r, gushort g, gushort b)
+{
+ guint32 result;
+
+ result = (0xff0000 | (r & 0xff00));
+ result <<= 8;
+ result |= ((g & 0xff00) | (b >> 8));
+
+ return result;
+}
+
+guint32
+eel_rgb8_to_rgb (guchar r, guchar g, guchar b)
+{
+ return eel_rgb16_to_rgb (r << 8, g << 8, b << 8);
+}
+
+/**
+ * eel_gdk_color_to_rgb
+ * @color: A GdkColor style color.
+ * Returns: An rgb value.
+ *
+ * Converts from a GdkColor stlye color to a gdk_rgb one.
+ * Alpha gets set to fully opaque
+ */
+guint32
+eel_gdk_color_to_rgb (const GdkColor *color)
+{
+ return eel_rgb16_to_rgb (color->red, color->green, color->blue);
+}
+
+/**
+ * eel_gdk_rgb_to_color
+ * @color: a gdk_rgb style value.
+ *
+ * Converts from a gdk_rgb value style to a GdkColor one.
+ * The gdk_rgb color alpha channel is ignored.
+ *
+ * Return value: A GdkColor structure version of the given RGB color.
+ */
+GdkColor
+eel_gdk_rgb_to_color (guint32 color)
+{
+ GdkColor result;
+
+ result.red = ((color >> 16) & 0xFF) * 0x101;
+ result.green = ((color >> 8) & 0xFF) * 0x101;
+ result.blue = (color & 0xff) * 0x101;
+ result.pixel = 0;
+
+ return result;
+}
+
+/**
+ * eel_gdk_rgb_to_color_spec
+ * @color: a gdk_rgb style value.
+ *
+ * Converts from a gdk_rgb value style to a string color spec.
+ * The gdk_rgb color alpha channel is ignored.
+ *
+ * Return value: a newly allocated color spec.
+ */
+char *
+eel_gdk_rgb_to_color_spec (const guint32 color)
+{
+ return g_strdup_printf ("#%06X", (guint) (color & 0xFFFFFF));
+}
+
+static guint32
+eel_shift_color_component (guchar component, float shift_by)
+{
+ guint32 result;
+ if (shift_by > 1.0)
+ {
+ result = component * (2 - shift_by);
+ }
+ else
+ {
+ result = 0xff - shift_by * (0xff - component);
+ }
+
+ return result & 0xff;
+}
+
+/**
+ * eel_rgb_shift_color
+ * @color: A color.
+ * @shift_by: darken or lighten factor.
+ * Returns: An darkened or lightened rgb value.
+ *
+ * Darkens (@shift_by > 1) or lightens (@shift_by < 1)
+ * @color.
+ */
+guint32
+eel_rgb_shift_color (guint32 color, float shift_by)
+{
+ guint32 result;
+
+ /* shift red by shift_by */
+ result = eel_shift_color_component((color & 0x00ff0000) >> 16, shift_by);
+ result <<= 8;
+ /* shift green by shift_by */
+ result |= eel_shift_color_component((color & 0x0000ff00) >> 8, shift_by);
+ result <<= 8;
+ /* shift blue by shift_by */
+ result |= eel_shift_color_component((color & 0x000000ff), shift_by);
+
+ /* alpha doesn't change */
+ result |= (0xff000000 & color);
+
+ return result;
+}
+
+/**
+ * eel_gdk_color_is_dark:
+ *
+ * Return true if the given color is `dark'
+ */
+gboolean
+eel_gdk_color_is_dark (GdkColor *color)
+{
+ int intensity;
+
+ intensity = (((color->red >> 8) * 77)
+ + ((color->green >> 8) * 150)
+ + ((color->blue >> 8) * 28)) >> 8;
+
+ return intensity < 128;
+}
+
+/**
+ * eel_stipple_bitmap_for_screen:
+ *
+ * Get pointer to 50% stippled bitmap suitable for use
+ * on @screen. This is a global object; do not free.
+ */
+GdkBitmap *
+eel_stipple_bitmap_for_screen (GdkScreen *screen)
+{
+ static char stipple_bits[] = { 0x02, 0x01 };
+ static GPtrArray *stipples = NULL;
+ int screen_num, n_screens, i;
+
+ if (stipples == NULL)
+ {
+ n_screens = gdk_display_get_n_screens (
+ gdk_screen_get_display (screen));
+ stipples = g_ptr_array_sized_new (n_screens);
+
+ for (i = 0; i < n_screens; i++)
+ {
+ g_ptr_array_index (stipples, i) = NULL;
+ }
+ }
+
+ screen_num = gdk_screen_get_number (screen);
+
+ if (g_ptr_array_index (stipples, screen_num) == NULL)
+ {
+ g_ptr_array_index (stipples, screen_num) =
+ gdk_bitmap_create_from_data (
+ gdk_screen_get_root_window (screen),
+ stipple_bits, 2, 2);
+ }
+
+ return g_ptr_array_index (stipples, screen_num);
+}
+
+/**
+ * eel_stipple_bitmap:
+ *
+ * Get pointer to 50% stippled bitmap suitable for use
+ * on the default screen. This is a global object; do
+ * not free.
+ *
+ * This method is not multiscreen safe. Do not use it.
+ */
+GdkBitmap *
+eel_stipple_bitmap (void)
+{
+ return eel_stipple_bitmap_for_screen (gdk_screen_get_default ());
+}
+
+/**
+ * eel_gdk_window_bring_to_front:
+ *
+ * Raise window and give it focus.
+ */
+void
+eel_gdk_window_bring_to_front (GdkWindow *window)
+{
+ /* This takes care of un-iconifying the window and
+ * raising it if needed.
+ */
+ gdk_window_show (window);
+
+ /* If the window was already showing, it would not have
+ * the focus at this point. Do a little X trickery to
+ * ensure it is focused.
+ */
+ eel_gdk_window_focus (window, GDK_CURRENT_TIME);
+}
+
+void
+eel_gdk_window_focus (GdkWindow *window, guint32 timestamp)
+{
+ gdk_error_trap_push ();
+ XSetInputFocus (GDK_DISPLAY (),
+ GDK_WINDOW_XWINDOW (window),
+ RevertToParent,
+ timestamp);
+ gdk_flush();
+ gdk_error_trap_pop ();
+}
+
+void
+eel_gdk_window_set_wm_protocols (GdkWindow *window,
+ GdkAtom *protocols,
+ int nprotocols)
+{
+ Atom *atoms;
+ int i;
+
+ atoms = g_new (Atom, nprotocols);
+ for (i = 0; i < nprotocols; i++)
+ {
+ atoms[i] = gdk_x11_atom_to_xatom (protocols[i]);
+ }
+
+ XSetWMProtocols (GDK_WINDOW_XDISPLAY (window),
+ GDK_WINDOW_XWINDOW (window),
+ atoms, nprotocols);
+
+ g_free (atoms);
+}
+
+/**
+ * eel_gdk_window_set_wm_hints_input:
+ *
+ * Set the WM_HINTS.input flag to the passed in value
+ */
+void
+eel_gdk_window_set_wm_hints_input (GdkWindow *window, gboolean status)
+{
+ Display *dpy;
+ Window id;
+ XWMHints *wm_hints;
+
+ g_return_if_fail (window != NULL);
+
+ dpy = GDK_WINDOW_XDISPLAY (window);
+ id = GDK_WINDOW_XWINDOW (window);
+
+ wm_hints = XGetWMHints (dpy, id);
+ if (wm_hints == 0)
+ {
+ wm_hints = XAllocWMHints ();
+ }
+
+ wm_hints->flags |= InputHint;
+ wm_hints->input = (status == FALSE) ? False : True;
+
+ XSetWMHints (dpy, id, wm_hints);
+ XFree (wm_hints);
+}
+
+void
+eel_gdk_window_set_invisible_cursor (GdkWindow *window)
+{
+ GdkBitmap *empty_bitmap;
+ GdkCursor *cursor;
+ GdkColor useless;
+ char invisible_cursor_bits[] = { 0x0 };
+
+ useless.red = useless.green = useless.blue = 0;
+ useless.pixel = 0;
+
+ empty_bitmap = gdk_bitmap_create_from_data (window,
+ invisible_cursor_bits,
+ 1, 1);
+
+ cursor = gdk_cursor_new_from_pixmap (empty_bitmap,
+ empty_bitmap,
+ &useless,
+ &useless, 0, 0);
+
+ gdk_window_set_cursor (window, cursor);
+
+ gdk_cursor_unref (cursor);
+
+ g_object_unref (empty_bitmap);
+}
+
+EelGdkGeometryFlags
+eel_gdk_parse_geometry (const char *string, int *x_return, int *y_return,
+ guint *width_return, guint *height_return)
+{
+ int x11_flags;
+ EelGdkGeometryFlags gdk_flags;
+
+ g_return_val_if_fail (string != NULL, EEL_GDK_NO_VALUE);
+ g_return_val_if_fail (x_return != NULL, EEL_GDK_NO_VALUE);
+ g_return_val_if_fail (y_return != NULL, EEL_GDK_NO_VALUE);
+ g_return_val_if_fail (width_return != NULL, EEL_GDK_NO_VALUE);
+ g_return_val_if_fail (height_return != NULL, EEL_GDK_NO_VALUE);
+
+ x11_flags = XParseGeometry (string, x_return, y_return,
+ width_return, height_return);
+
+ gdk_flags = EEL_GDK_NO_VALUE;
+ if (x11_flags & XValue)
+ {
+ gdk_flags |= EEL_GDK_X_VALUE;
+ }
+ if (x11_flags & YValue)
+ {
+ gdk_flags |= EEL_GDK_Y_VALUE;
+ }
+ if (x11_flags & WidthValue)
+ {
+ gdk_flags |= EEL_GDK_WIDTH_VALUE;
+ }
+ if (x11_flags & HeightValue)
+ {
+ gdk_flags |= EEL_GDK_HEIGHT_VALUE;
+ }
+ if (x11_flags & XNegative)
+ {
+ gdk_flags |= EEL_GDK_X_NEGATIVE;
+ }
+ if (x11_flags & YNegative)
+ {
+ gdk_flags |= EEL_GDK_Y_NEGATIVE;
+ }
+
+ return gdk_flags;
+}
+
+void
+eel_gdk_draw_layout_with_drop_shadow (GdkDrawable *drawable,
+ GdkGC *gc,
+ GdkColor *text_color,
+ GdkColor *shadow_color,
+ int x,
+ int y,
+ PangoLayout *layout)
+{
+ gdk_draw_layout_with_colors (drawable, gc,
+ x+1, y+1,
+ layout,
+ shadow_color, NULL);
+
+ gdk_draw_layout_with_colors (drawable, gc,
+ x, y,
+ layout,
+ text_color, NULL);
+}
+
+#if ! defined (EEL_OMIT_SELF_CHECK)
+
+static char *
+eel_gdk_color_as_hex_string (GdkColor color)
+{
+ return g_strdup_printf ("%04X%04X%04X",
+ color.red, color.green, color.blue);
+}
+
+static char *
+eel_self_check_parse (const char *color_spec)
+{
+ GdkColor color;
+
+ eel_gdk_color_parse_with_white_default (color_spec, &color);
+ return eel_gdk_color_as_hex_string (color);
+}
+
+static char *
+eel_self_check_gdk_rgb_to_color (guint32 color)
+{
+ GdkColor result;
+
+ result = eel_gdk_rgb_to_color (color);
+
+ return eel_gdk_color_as_hex_string (result);
+}
+
+void
+eel_self_check_gdk_extensions (void)
+{
+ /* eel_interpolate_color */
+ EEL_CHECK_INTEGER_RESULT (eel_interpolate_color (0.0, 0, 0), 0);
+ EEL_CHECK_INTEGER_RESULT (eel_interpolate_color (0.0, 0, 0xFFFFFF), 0);
+ EEL_CHECK_INTEGER_RESULT (eel_interpolate_color (0.5, 0, 0xFFFFFF), 0x7F7F7F);
+ EEL_CHECK_INTEGER_RESULT (eel_interpolate_color (1.0, 0, 0xFFFFFF), 0xFFFFFF);
+
+ /* eel_gradient_new */
+ EEL_CHECK_STRING_RESULT (eel_gradient_new ("", "", FALSE), "");
+ EEL_CHECK_STRING_RESULT (eel_gradient_new ("a", "b", FALSE), "a-b");
+ EEL_CHECK_STRING_RESULT (eel_gradient_new ("a", "b", TRUE), "a-b:h");
+ EEL_CHECK_STRING_RESULT (eel_gradient_new ("a", "a", FALSE), "a");
+ EEL_CHECK_STRING_RESULT (eel_gradient_new ("a", "a", TRUE), "a");
+
+ /* eel_gradient_is_gradient */
+ EEL_CHECK_BOOLEAN_RESULT (eel_gradient_is_gradient (""), FALSE);
+ EEL_CHECK_BOOLEAN_RESULT (eel_gradient_is_gradient ("-"), TRUE);
+ EEL_CHECK_BOOLEAN_RESULT (eel_gradient_is_gradient ("a"), FALSE);
+ EEL_CHECK_BOOLEAN_RESULT (eel_gradient_is_gradient ("a-b"), TRUE);
+ EEL_CHECK_BOOLEAN_RESULT (eel_gradient_is_gradient ("a-b:h"), TRUE);
+
+ /* eel_gradient_get_start_color_spec */
+ EEL_CHECK_STRING_RESULT (eel_gradient_get_start_color_spec (""), "");
+ EEL_CHECK_STRING_RESULT (eel_gradient_get_start_color_spec ("-"), "");
+ EEL_CHECK_STRING_RESULT (eel_gradient_get_start_color_spec ("a"), "a");
+ EEL_CHECK_STRING_RESULT (eel_gradient_get_start_color_spec ("a-b"), "a");
+ EEL_CHECK_STRING_RESULT (eel_gradient_get_start_color_spec ("a-"), "a");
+ EEL_CHECK_STRING_RESULT (eel_gradient_get_start_color_spec ("-b"), "");
+ EEL_CHECK_STRING_RESULT (eel_gradient_get_start_color_spec ("a:h"), "a");
+ EEL_CHECK_STRING_RESULT (eel_gradient_get_start_color_spec ("a:v"), "a");
+ EEL_CHECK_STRING_RESULT (eel_gradient_get_start_color_spec ("a:c"), "a:c");
+ EEL_CHECK_STRING_RESULT (eel_gradient_get_start_color_spec ("a:-b"), "a:");
+ EEL_CHECK_STRING_RESULT (eel_gradient_get_start_color_spec ("a:-b:v"), "a:");
+
+ /* eel_gradient_get_end_color_spec */
+ EEL_CHECK_STRING_RESULT (eel_gradient_get_end_color_spec (""), "");
+ EEL_CHECK_STRING_RESULT (eel_gradient_get_end_color_spec ("-"), "");
+ EEL_CHECK_STRING_RESULT (eel_gradient_get_end_color_spec ("a"), "a");
+ EEL_CHECK_STRING_RESULT (eel_gradient_get_end_color_spec ("a-b"), "b");
+ EEL_CHECK_STRING_RESULT (eel_gradient_get_end_color_spec ("a-"), "");
+ EEL_CHECK_STRING_RESULT (eel_gradient_get_end_color_spec ("-b"), "b");
+ EEL_CHECK_STRING_RESULT (eel_gradient_get_end_color_spec ("a:h"), "a");
+ EEL_CHECK_STRING_RESULT (eel_gradient_get_end_color_spec ("a:v"), "a");
+ EEL_CHECK_STRING_RESULT (eel_gradient_get_end_color_spec ("a:c"), "a:c");
+ EEL_CHECK_STRING_RESULT (eel_gradient_get_end_color_spec ("a:-b"), "b");
+ EEL_CHECK_STRING_RESULT (eel_gradient_get_end_color_spec ("a:-b:v"), "b");
+
+ /* eel_gradient_set_left_color_spec */
+ EEL_CHECK_STRING_RESULT (eel_gradient_set_left_color_spec ("", ""), "");
+ EEL_CHECK_STRING_RESULT (eel_gradient_set_left_color_spec ("", "a"), "a");
+ EEL_CHECK_STRING_RESULT (eel_gradient_set_left_color_spec ("a", ""), "a");
+ EEL_CHECK_STRING_RESULT (eel_gradient_set_left_color_spec ("a", "a"), "a");
+ EEL_CHECK_STRING_RESULT (eel_gradient_set_left_color_spec ("a", "b"), "b-a:h");
+ EEL_CHECK_STRING_RESULT (eel_gradient_set_left_color_spec ("a-c:v", "b"), "b-c:h");
+ EEL_CHECK_STRING_RESULT (eel_gradient_set_left_color_spec ("a-c:v", "c"), "c");
+ EEL_CHECK_STRING_RESULT (eel_gradient_set_left_color_spec ("a:-b:v", "d"), "d-b:h");
+
+ /* eel_gradient_set_top_color_spec */
+ EEL_CHECK_STRING_RESULT (eel_gradient_set_top_color_spec ("", ""), "");
+ EEL_CHECK_STRING_RESULT (eel_gradient_set_top_color_spec ("", "a"), "a");
+ EEL_CHECK_STRING_RESULT (eel_gradient_set_top_color_spec ("a", ""), "a");
+ EEL_CHECK_STRING_RESULT (eel_gradient_set_top_color_spec ("a", "a"), "a");
+ EEL_CHECK_STRING_RESULT (eel_gradient_set_top_color_spec ("a", "b"), "b-a");
+ EEL_CHECK_STRING_RESULT (eel_gradient_set_top_color_spec ("a-c:v", "b"), "b-c");
+ EEL_CHECK_STRING_RESULT (eel_gradient_set_top_color_spec ("a-c:v", "c"), "c");
+ EEL_CHECK_STRING_RESULT (eel_gradient_set_top_color_spec ("a:-b:h", "d"), "d-b");
+
+ /* eel_gradient_set_right_color_spec */
+ EEL_CHECK_STRING_RESULT (eel_gradient_set_right_color_spec ("", ""), "");
+ EEL_CHECK_STRING_RESULT (eel_gradient_set_right_color_spec ("", "a"), "a");
+ EEL_CHECK_STRING_RESULT (eel_gradient_set_right_color_spec ("a", ""), "a");
+ EEL_CHECK_STRING_RESULT (eel_gradient_set_right_color_spec ("a", "a"), "a");
+ EEL_CHECK_STRING_RESULT (eel_gradient_set_right_color_spec ("a", "b"), "a-b:h");
+ EEL_CHECK_STRING_RESULT (eel_gradient_set_right_color_spec ("a-c:v", "b"), "a-b:h");
+ EEL_CHECK_STRING_RESULT (eel_gradient_set_right_color_spec ("a-c:v", "c"), "a-c:h");
+ EEL_CHECK_STRING_RESULT (eel_gradient_set_right_color_spec ("a:-b:v", "d"), "a:-d:h");
+
+ /* eel_gradient_set_bottom_color_spec */
+ EEL_CHECK_STRING_RESULT (eel_gradient_set_bottom_color_spec ("", ""), "");
+ EEL_CHECK_STRING_RESULT (eel_gradient_set_bottom_color_spec ("", "a"), "a");
+ EEL_CHECK_STRING_RESULT (eel_gradient_set_bottom_color_spec ("a", ""), "a");
+ EEL_CHECK_STRING_RESULT (eel_gradient_set_bottom_color_spec ("a", "a"), "a");
+ EEL_CHECK_STRING_RESULT (eel_gradient_set_bottom_color_spec ("a", "b"), "a-b");
+ EEL_CHECK_STRING_RESULT (eel_gradient_set_bottom_color_spec ("a-c:v", "b"), "a-b");
+ EEL_CHECK_STRING_RESULT (eel_gradient_set_bottom_color_spec ("a-c:v", "c"), "a-c");
+ EEL_CHECK_STRING_RESULT (eel_gradient_set_bottom_color_spec ("a:-b:h", "d"), "a:-d");
+
+ /* eel_gdk_color_parse_with_white_default */
+ EEL_CHECK_STRING_RESULT (eel_self_check_parse (""), "FFFFFFFFFFFF");
+ EEL_CHECK_STRING_RESULT (eel_self_check_parse ("a"), "FFFFFFFFFFFF");
+ EEL_CHECK_STRING_RESULT (eel_self_check_parse ("white"), "FFFFFFFFFFFF");
+ EEL_CHECK_STRING_RESULT (eel_self_check_parse ("black"), "000000000000");
+ EEL_CHECK_STRING_RESULT (eel_self_check_parse ("red"), "FFFF00000000");
+ EEL_CHECK_STRING_RESULT (eel_self_check_parse ("#012345"), "010123234545");
+ /* EEL_CHECK_STRING_RESULT (eel_self_check_parse ("rgb:0123/4567/89AB"), "#014589"); */
+
+ /* eel_gdk_rgb_to_color */
+ EEL_CHECK_STRING_RESULT (eel_self_check_gdk_rgb_to_color (EEL_RGB_COLOR_RED), "FFFF00000000");
+ EEL_CHECK_STRING_RESULT (eel_self_check_gdk_rgb_to_color (EEL_RGB_COLOR_BLACK), "000000000000");
+ EEL_CHECK_STRING_RESULT (eel_self_check_gdk_rgb_to_color (EEL_RGB_COLOR_WHITE), "FFFFFFFFFFFF");
+ EEL_CHECK_STRING_RESULT (eel_self_check_gdk_rgb_to_color (EEL_RGB_COLOR_PACK (0x01, 0x23, 0x45)), "010123234545");
+
+ /* EEL_RGBA_COLOR_PACK */
+ EEL_CHECK_INTEGER_RESULT (EEL_RGBA_COLOR_PACK (0xFF, 0x00, 0x00, 00), EEL_RGB_COLOR_RED);
+ EEL_CHECK_INTEGER_RESULT (EEL_RGBA_COLOR_PACK (0x00, 0xFF, 0x00, 00), EEL_RGB_COLOR_GREEN);
+ EEL_CHECK_INTEGER_RESULT (EEL_RGBA_COLOR_PACK (0x00, 0x00, 0xFF, 00), EEL_RGB_COLOR_BLUE);
+ EEL_CHECK_INTEGER_RESULT (EEL_RGBA_COLOR_PACK (0xFF, 0xFF, 0xFF, 00), EEL_RGB_COLOR_WHITE);
+ EEL_CHECK_INTEGER_RESULT (EEL_RGBA_COLOR_PACK (0x00, 0x00, 0x00, 00), EEL_RGB_COLOR_BLACK);
+
+ EEL_CHECK_INTEGER_RESULT (EEL_RGBA_COLOR_PACK (0xFF, 0x00, 0x00, 0xFF), EEL_RGBA_COLOR_OPAQUE_RED);
+ EEL_CHECK_INTEGER_RESULT (EEL_RGBA_COLOR_PACK (0x00, 0xFF, 0x00, 0xFF), EEL_RGBA_COLOR_OPAQUE_GREEN);
+ EEL_CHECK_INTEGER_RESULT (EEL_RGBA_COLOR_PACK (0x00, 0x00, 0xFF, 0xFF), EEL_RGBA_COLOR_OPAQUE_BLUE);
+ EEL_CHECK_INTEGER_RESULT (EEL_RGBA_COLOR_PACK (0xFF, 0xFF, 0xFF, 0xFF), EEL_RGBA_COLOR_OPAQUE_WHITE);
+ EEL_CHECK_INTEGER_RESULT (EEL_RGBA_COLOR_PACK (0x00, 0x00, 0x00, 0xFF), EEL_RGBA_COLOR_OPAQUE_BLACK);
+
+ /* EEL_RGB_COLOR_PACK */
+ EEL_CHECK_INTEGER_RESULT (EEL_RGB_COLOR_PACK (0xFF, 0x00, 0x00), EEL_RGBA_COLOR_OPAQUE_RED);
+ EEL_CHECK_INTEGER_RESULT (EEL_RGB_COLOR_PACK (0x00, 0xFF, 0x00), EEL_RGBA_COLOR_OPAQUE_GREEN);
+ EEL_CHECK_INTEGER_RESULT (EEL_RGB_COLOR_PACK (0x00, 0x00, 0xFF), EEL_RGBA_COLOR_OPAQUE_BLUE);
+ EEL_CHECK_INTEGER_RESULT (EEL_RGB_COLOR_PACK (0xFF, 0xFF, 0xFF), EEL_RGBA_COLOR_OPAQUE_WHITE);
+ EEL_CHECK_INTEGER_RESULT (EEL_RGB_COLOR_PACK (0x00, 0x00, 0x00), EEL_RGBA_COLOR_OPAQUE_BLACK);
+
+ /* EEL_RGBA_COLOR_GET_R */
+ EEL_CHECK_INTEGER_RESULT (EEL_RGBA_COLOR_GET_R (EEL_RGBA_COLOR_OPAQUE_RED), 0xFF);
+ EEL_CHECK_INTEGER_RESULT (EEL_RGBA_COLOR_GET_R (EEL_RGBA_COLOR_OPAQUE_GREEN), 0x00);
+ EEL_CHECK_INTEGER_RESULT (EEL_RGBA_COLOR_GET_R (EEL_RGBA_COLOR_OPAQUE_BLUE), 0x00);
+ EEL_CHECK_INTEGER_RESULT (EEL_RGBA_COLOR_GET_R (EEL_RGBA_COLOR_OPAQUE_WHITE), 0xFF);
+ EEL_CHECK_INTEGER_RESULT (EEL_RGBA_COLOR_GET_R (EEL_RGBA_COLOR_OPAQUE_BLACK), 0x00);
+ EEL_CHECK_INTEGER_RESULT (EEL_RGBA_COLOR_GET_R (EEL_RGB_COLOR_RED), 0xFF);
+ EEL_CHECK_INTEGER_RESULT (EEL_RGBA_COLOR_GET_R (EEL_RGB_COLOR_GREEN), 0x00);
+ EEL_CHECK_INTEGER_RESULT (EEL_RGBA_COLOR_GET_R (EEL_RGB_COLOR_BLUE), 0x00);
+ EEL_CHECK_INTEGER_RESULT (EEL_RGBA_COLOR_GET_R (EEL_RGB_COLOR_WHITE), 0xFF);
+ EEL_CHECK_INTEGER_RESULT (EEL_RGBA_COLOR_GET_R (EEL_RGB_COLOR_BLACK), 0x00);
+
+ /* EEL_RGBA_COLOR_GET_G */
+ EEL_CHECK_INTEGER_RESULT (EEL_RGBA_COLOR_GET_G (EEL_RGBA_COLOR_OPAQUE_RED), 0x00);
+ EEL_CHECK_INTEGER_RESULT (EEL_RGBA_COLOR_GET_G (EEL_RGBA_COLOR_OPAQUE_GREEN), 0xFF);
+ EEL_CHECK_INTEGER_RESULT (EEL_RGBA_COLOR_GET_G (EEL_RGBA_COLOR_OPAQUE_BLUE), 0x00);
+ EEL_CHECK_INTEGER_RESULT (EEL_RGBA_COLOR_GET_G (EEL_RGBA_COLOR_OPAQUE_WHITE), 0xFF);
+ EEL_CHECK_INTEGER_RESULT (EEL_RGBA_COLOR_GET_G (EEL_RGBA_COLOR_OPAQUE_BLACK), 0x00);
+ EEL_CHECK_INTEGER_RESULT (EEL_RGBA_COLOR_GET_G (EEL_RGB_COLOR_RED), 0x00);
+ EEL_CHECK_INTEGER_RESULT (EEL_RGBA_COLOR_GET_G (EEL_RGB_COLOR_GREEN), 0xFF);
+ EEL_CHECK_INTEGER_RESULT (EEL_RGBA_COLOR_GET_G (EEL_RGB_COLOR_BLUE), 0x00);
+ EEL_CHECK_INTEGER_RESULT (EEL_RGBA_COLOR_GET_G (EEL_RGB_COLOR_WHITE), 0xFF);
+ EEL_CHECK_INTEGER_RESULT (EEL_RGBA_COLOR_GET_G (EEL_RGB_COLOR_BLACK), 0x00);
+
+ /* EEL_RGBA_COLOR_GET_B */
+ EEL_CHECK_INTEGER_RESULT (EEL_RGBA_COLOR_GET_B (EEL_RGBA_COLOR_OPAQUE_RED), 0x00);
+ EEL_CHECK_INTEGER_RESULT (EEL_RGBA_COLOR_GET_B (EEL_RGBA_COLOR_OPAQUE_GREEN), 0x00);
+ EEL_CHECK_INTEGER_RESULT (EEL_RGBA_COLOR_GET_B (EEL_RGBA_COLOR_OPAQUE_BLUE), 0xFF);
+ EEL_CHECK_INTEGER_RESULT (EEL_RGBA_COLOR_GET_B (EEL_RGBA_COLOR_OPAQUE_WHITE), 0xFF);
+ EEL_CHECK_INTEGER_RESULT (EEL_RGBA_COLOR_GET_B (EEL_RGBA_COLOR_OPAQUE_BLACK), 0x00);
+ EEL_CHECK_INTEGER_RESULT (EEL_RGBA_COLOR_GET_B (EEL_RGB_COLOR_RED), 0x00);
+ EEL_CHECK_INTEGER_RESULT (EEL_RGBA_COLOR_GET_B (EEL_RGB_COLOR_GREEN), 0x00);
+ EEL_CHECK_INTEGER_RESULT (EEL_RGBA_COLOR_GET_B (EEL_RGB_COLOR_BLUE), 0xFF);
+ EEL_CHECK_INTEGER_RESULT (EEL_RGBA_COLOR_GET_B (EEL_RGB_COLOR_WHITE), 0xFF);
+ EEL_CHECK_INTEGER_RESULT (EEL_RGBA_COLOR_GET_B (EEL_RGB_COLOR_BLACK), 0x00);
+
+ /* EEL_RGBA_COLOR_GET_A */
+ EEL_CHECK_INTEGER_RESULT (EEL_RGBA_COLOR_GET_A (EEL_RGBA_COLOR_OPAQUE_RED), 0xFF);
+ EEL_CHECK_INTEGER_RESULT (EEL_RGBA_COLOR_GET_A (EEL_RGBA_COLOR_OPAQUE_GREEN), 0xFF);
+ EEL_CHECK_INTEGER_RESULT (EEL_RGBA_COLOR_GET_A (EEL_RGBA_COLOR_OPAQUE_BLUE), 0xFF);
+ EEL_CHECK_INTEGER_RESULT (EEL_RGBA_COLOR_GET_A (EEL_RGBA_COLOR_OPAQUE_WHITE), 0xFF);
+ EEL_CHECK_INTEGER_RESULT (EEL_RGBA_COLOR_GET_A (EEL_RGBA_COLOR_OPAQUE_BLACK), 0xFF);
+ EEL_CHECK_INTEGER_RESULT (EEL_RGBA_COLOR_GET_A (EEL_RGB_COLOR_RED), 0x00);
+ EEL_CHECK_INTEGER_RESULT (EEL_RGBA_COLOR_GET_A (EEL_RGB_COLOR_GREEN), 0x00);
+ EEL_CHECK_INTEGER_RESULT (EEL_RGBA_COLOR_GET_A (EEL_RGB_COLOR_BLUE), 0x00);
+ EEL_CHECK_INTEGER_RESULT (EEL_RGBA_COLOR_GET_A (EEL_RGB_COLOR_WHITE), 0x00);
+ EEL_CHECK_INTEGER_RESULT (EEL_RGBA_COLOR_GET_A (EEL_RGB_COLOR_BLACK), 0x00);
+
+}
+
+#endif /* ! EEL_OMIT_SELF_CHECK */