diff options
Diffstat (limited to 'libs/clearlooks-newer/cairo-support.c')
| -rw-r--r-- | libs/clearlooks-newer/cairo-support.c | 120 |
1 files changed, 60 insertions, 60 deletions
diff --git a/libs/clearlooks-newer/cairo-support.c b/libs/clearlooks-newer/cairo-support.c index fa195776a2..4b82bb5758 100644 --- a/libs/clearlooks-newer/cairo-support.c +++ b/libs/clearlooks-newer/cairo-support.c @@ -4,16 +4,16 @@ /*********************************************** * ge_hsb_from_color - - * + * * Get HSB values from RGB values. * * Modified from Smooth but originated in GTK+ ***********************************************/ void -ge_hsb_from_color (const CairoColor *color, - gdouble *hue, +ge_hsb_from_color (const CairoColor *color, + gdouble *hue, gdouble *saturation, - gdouble *brightness) + gdouble *brightness) { gdouble min, max, delta; gdouble red, green, blue; @@ -21,7 +21,7 @@ ge_hsb_from_color (const CairoColor *color, red = color->r; green = color->g; blue = color->b; - + if (red > green) { max = MAX(red, blue); @@ -32,7 +32,7 @@ ge_hsb_from_color (const CairoColor *color, max = MAX(green, blue); min = MIN(red, blue); } - + *brightness = (max + min) / 2; if (fabs(max - min) < 0.0001) @@ -46,34 +46,34 @@ ge_hsb_from_color (const CairoColor *color, *saturation = (max - min) / (max + min); else *saturation = (max - min) / (2 - max - min); - + delta = max -min; - + if (red == max) *hue = (green - blue) / delta; else if (green == max) *hue = 2 + (blue - red) / delta; else if (blue == max) *hue = 4 + (red - green) / delta; - + *hue *= 60; if (*hue < 0.0) *hue += 360; } } - + /*********************************************** * ge_color_from_hsb - - * + * * Get RGB values from HSB values. * * Modified from Smooth but originated in GTK+ ***********************************************/ #define MODULA(number, divisor) (((gint)number % divisor) + (number - (gint)number)) void -ge_color_from_hsb (gdouble hue, +ge_color_from_hsb (gdouble hue, gdouble saturation, - gdouble brightness, + gdouble brightness, CairoColor *color) { gint i; @@ -81,31 +81,31 @@ ge_color_from_hsb (gdouble hue, gdouble m1, m2, m3; if (!color) return; - + if (brightness <= 0.5) m2 = brightness * (1 + saturation); else m2 = brightness + saturation - brightness * saturation; - + m1 = 2 * brightness - m2; - + hue_shift[0] = hue + 120; hue_shift[1] = hue; hue_shift[2] = hue - 120; - + color_shift[0] = color_shift[1] = color_shift[2] = brightness; - + i = (saturation == 0)?3:0; - + for (; i < 3; i++) { m3 = hue_shift[i]; - + if (m3 > 360) m3 = MODULA(m3, 360); else if (m3 < 0) m3 = 360 - MODULA(ABS(m3), 360); - + if (m3 < 60) color_shift[i] = m1 + (m2 - m1) * m3 / 60; else if (m3 < 180) @@ -115,7 +115,7 @@ ge_color_from_hsb (gdouble hue, else color_shift[i] = m1; } - + color->r = color_shift[0]; color->g = color_shift[1]; color->b = color_shift[2]; @@ -155,7 +155,7 @@ ge_cairo_color_to_gtk (const CairoColor *cc, GdkColor *c) c->blue = b; } -void +void ge_gtk_style_to_cairo_color_cube (GtkStyle * style, CairoColorCube *cube) { int i; @@ -163,7 +163,7 @@ ge_gtk_style_to_cairo_color_cube (GtkStyle * style, CairoColorCube *cube) g_return_if_fail (style && cube); for (i = 0; i < 5; i++) - { + { ge_gdk_color_to_cairo (&style->bg[i], &cube->bg[i]); ge_gdk_color_to_cairo (&style->fg[i], &cube->fg[i]); @@ -189,17 +189,17 @@ ge_shade_color(const CairoColor *base, gdouble shade_ratio, CairoColor *composit gdouble hue = 0; gdouble saturation = 0; gdouble brightness = 0; - + g_return_if_fail (base && composite); ge_hsb_from_color (base, &hue, &saturation, &brightness); - + brightness = MIN(brightness*shade_ratio, 1.0); brightness = MAX(brightness, 0.0); - + saturation = MIN(saturation*shade_ratio, 1.0); saturation = MAX(saturation, 0.0); - + ge_color_from_hsb (hue, saturation, brightness, composite); composite->a = base->a; } @@ -210,7 +210,7 @@ ge_saturate_color (const CairoColor *base, gdouble saturate_level, CairoColor *c gdouble hue = 0; gdouble saturation = 0; gdouble brightness = 0; - + g_return_if_fail (base && composite); ge_hsb_from_color (base, &hue, &saturation, &brightness); @@ -223,7 +223,7 @@ ge_saturate_color (const CairoColor *base, gdouble saturate_level, CairoColor *c } void -ge_mix_color (const CairoColor *color1, const CairoColor *color2, +ge_mix_color (const CairoColor *color1, const CairoColor *color2, gdouble mix_factor, CairoColor *composite) { g_return_if_fail (color1 && color2 && composite); @@ -234,7 +234,7 @@ ge_mix_color (const CairoColor *color1, const CairoColor *color2, composite->a = 1.0; } -cairo_t * +cairo_t * ge_gdk_drawable_to_cairo (GdkDrawable *window, GdkRectangle *area) { cairo_t *cr; @@ -246,7 +246,7 @@ ge_gdk_drawable_to_cairo (GdkDrawable *window, GdkRectangle *area) cairo_set_line_cap (cr, CAIRO_LINE_CAP_SQUARE); cairo_set_line_join (cr, CAIRO_LINE_JOIN_MITER); - if (area) + if (area) { cairo_rectangle (cr, area->x, area->y, area->width, area->height); cairo_clip_preserve (cr); @@ -256,7 +256,7 @@ ge_gdk_drawable_to_cairo (GdkDrawable *window, GdkRectangle *area) return cr; } -void +void ge_cairo_set_color (cairo_t *cr, const CairoColor *color) { g_return_if_fail (cr && color); @@ -275,9 +275,9 @@ ge_cairo_set_gdk_color_with_alpha (cairo_t *cr, const GdkColor *color, gdouble a alpha); } -void -ge_cairo_pattern_add_color_stop_color (cairo_pattern_t *pattern, - gfloat offset, +void +ge_cairo_pattern_add_color_stop_color (cairo_pattern_t *pattern, + gfloat offset, const CairoColor *color) { g_return_if_fail (pattern && color); @@ -286,9 +286,9 @@ ge_cairo_pattern_add_color_stop_color (cairo_pattern_t *pattern, } void -ge_cairo_pattern_add_color_stop_shade(cairo_pattern_t *pattern, - gdouble offset, - const CairoColor *color, +ge_cairo_pattern_add_color_stop_shade(cairo_pattern_t *pattern, + gdouble offset, + const CairoColor *color, gdouble shade) { CairoColor shaded; @@ -408,16 +408,16 @@ ge_cairo_stroke_rectangle (cairo_t *cr, double x, double y, double w, double h) /*********************************************** * ge_cairo_simple_border - - * + * * A simple routine to draw thin squared * borders with a topleft and bottomright color. - * + * * It originated in Smooth-Engine. ***********************************************/ void ge_cairo_simple_border (cairo_t *cr, const CairoColor * tl, const CairoColor * br, - gint x, gint y, gint width, gint height, + gint x, gint y, gint width, gint height, gboolean topleft_overlap) { gboolean solid_color; @@ -445,7 +445,7 @@ ge_cairo_simple_border (cairo_t *cr, cairo_stroke (cr); } - + ge_cairo_set_color(cr, tl); cairo_move_to(cr, x + 0.5, y + height - 0.5); @@ -485,7 +485,7 @@ void ge_cairo_polygon (cairo_t *cr, for (i = 1; i < npoints; i++) { if (!((points[i].x == points[i + 1].x) && - (points[i].y == points[i + 1].y))) + (points[i].y == points[i + 1].y))) { cairo_line_to(cr, points[i].x, points[i].y); } @@ -508,7 +508,7 @@ void ge_cairo_line (cairo_t *cr, gint y1, gint x2, gint y2) -{ +{ cairo_save(cr); ge_cairo_set_color(cr, color); @@ -578,11 +578,11 @@ ge_cairo_exchange_axis (cairo_t *cr, /*********************************************** * ge_cairo_pattern_fill - - * + * * Fill an area with some pattern * Scaling or tiling if needed ***********************************************/ -void +void ge_cairo_pattern_fill(cairo_t *canvas, CairoPattern *pattern, gint x, @@ -653,7 +653,7 @@ ge_cairo_pattern_fill(cairo_t *canvas, /*********************************************** * ge_cairo_color_pattern - - * + * * Create A Solid Color Pattern ***********************************************/ CairoPattern* @@ -668,9 +668,9 @@ ge_cairo_color_pattern(CairoColor *base) result->scale = GE_DIRECTION_NONE; result->translate = GE_DIRECTION_NONE; - result->handle = cairo_pattern_create_rgba(base->r, - base->g, - base->b, + result->handle = cairo_pattern_create_rgba(base->r, + base->g, + base->b, base->a); result->operator = CAIRO_OPERATOR_SOURCE; @@ -680,7 +680,7 @@ ge_cairo_color_pattern(CairoColor *base) /*********************************************** * ge_cairo_pixbuf_pattern - - * + * * Create A Tiled Pixbuf Pattern ***********************************************/ CairoPattern* @@ -723,7 +723,7 @@ ge_cairo_pixbuf_pattern(GdkPixbuf *pixbuf) /*********************************************** * ge_cairo_pixmap_pattern - - * + * * Create A Tiled Pixmap Pattern ***********************************************/ CairoPattern* @@ -736,8 +736,8 @@ ge_cairo_pixmap_pattern(GdkPixmap *pixmap) gdk_drawable_get_size (GDK_DRAWABLE (pixmap), &width, &height); - pixbuf = gdk_pixbuf_get_from_drawable(NULL, GDK_DRAWABLE (pixmap), - gdk_drawable_get_colormap(GDK_DRAWABLE (pixmap)), + pixbuf = gdk_pixbuf_get_from_drawable(NULL, GDK_DRAWABLE (pixmap), + gdk_drawable_get_colormap(GDK_DRAWABLE (pixmap)), 0, 0, 0, 0, width, height); result = ge_cairo_pixbuf_pattern(pixbuf); @@ -748,17 +748,17 @@ ge_cairo_pixmap_pattern(GdkPixmap *pixmap) } /*********************************************** - * ge_cairo_linear_shade_gradient_pattern - - * + * ge_cairo_linear_shade_gradient_pattern - + * * Create A Linear Shade Gradient Pattern * Aka Smooth Shade Gradient, from/to gradient * With End points defined as shades of the * base color ***********************************************/ CairoPattern * -ge_cairo_linear_shade_gradient_pattern(CairoColor *base, - gdouble shade1, - gdouble shade2, +ge_cairo_linear_shade_gradient_pattern(CairoColor *base, + gdouble shade1, + gdouble shade2, gboolean vertical) { CairoPattern * result = g_new0(CairoPattern, 1); |