diff options
Diffstat (limited to 'libmate-desktop/mate-hsv.c')
| -rw-r--r-- | libmate-desktop/mate-hsv.c | 76 |
1 files changed, 38 insertions, 38 deletions
diff --git a/libmate-desktop/mate-hsv.c b/libmate-desktop/mate-hsv.c index 1d17342..6cb7e9a 100644 --- a/libmate-desktop/mate-hsv.c +++ b/libmate-desktop/mate-hsv.c @@ -75,14 +75,14 @@ struct _MateHSVPrivate double h; double s; double v; - + /* Size and ring width */ int size; int ring_width; - + /* Window for capturing events */ GdkWindow *window; - + /* Dragging mode */ DragMode mode; @@ -495,13 +495,13 @@ compute_sv (MateHSV *hsv, vy = center_y - ivy; x -= center_x; y = center_y - y; - + if (vx * (x - sx) + vy * (y - sy) < 0.0) { *s = 1.0; *v = (((x - sx) * (hx - sx) + (y - sy) * (hy-sy)) / ((hx - sx) * (hx - sx) + (hy - sy) * (hy - sy))); - + if (*v < 0.0) *v = 0.0; else if (*v > 1.0) @@ -512,7 +512,7 @@ compute_sv (MateHSV *hsv, *s = 0.0; *v = (((x - sx) * (vx - sx) + (y - sy) * (vy - sy)) / ((vx - sx) * (vx - sx) + (vy - sy) * (vy - sy))); - + if (*v < 0.0) *v = 0.0; else if (*v > 1.0) @@ -523,7 +523,7 @@ compute_sv (MateHSV *hsv, *v = 1.0; *s = (((x - vx) * (hx - vx) + (y - vy) * (hy - vy)) / ((hx - vx) * (hx - vx) + (hy - vy) * (hy - vy))); - + if (*s < 0.0) *s = 0.0; else if (*s > 1.0) @@ -533,7 +533,7 @@ compute_sv (MateHSV *hsv, { *v = (((x - sx) * (hy - vy) - (y - sy) * (hx - vx)) / ((vx - sx) * (hy - vy) - (vy - sy) * (hx - vx))); - + if (*v<= 0.0) { *v = 0.0; @@ -565,14 +565,14 @@ is_in_triangle (MateHSV *hsv, { int hx, hy, sx, sy, vx, vy; double det, s, v; - + compute_triangle (hsv, &hx, &hy, &sx, &sy, &vx, &vy); - + det = (vx - sx) * (hy - sy) - (vy - sy) * (hx - sx); - + s = ((x - sx) * (hy - sy) - (y - sy) * (hx - sx)) / det; v = ((vx - sx) * (y - sy) - (vy - sy) * (x - sx)) / det; - + return (s >= 0.0 && v >= 0.0 && s + v <= 1.0); } @@ -839,12 +839,12 @@ paint_ring (MateHSV *hsv, * will get properly clipped at the edges of the ring */ source_cr = cairo_create (source); - + r = priv->h; g = 1.0; b = 1.0; hsv_to_rgb (&r, &g, &b); - + if (INTENSITY (r, g, b) > 0.5) cairo_set_source_rgb (source_cr, 0., 0., 0.); else @@ -860,7 +860,7 @@ paint_ring (MateHSV *hsv, /* Draw the ring using the source image */ cairo_save (cr); - + cairo_set_source_surface (cr, source, 0, 0); cairo_surface_destroy (source); @@ -871,9 +871,9 @@ paint_ring (MateHSV *hsv, priv->size / 2. - priv->ring_width / 2., 0, 2 * G_PI); cairo_stroke (cr); - + cairo_restore (cr); - + g_free (buf); } @@ -887,7 +887,7 @@ get_color (gdouble h, gint *b) { hsv_to_rgb (&h, &s, &v); - + *r = floor (h * 255 + 0.5); *g = floor (s * 255 + 0.5); *b = floor (v * 255 + 0.5); @@ -928,12 +928,12 @@ paint_triangle (MateHSV *hsv, int width, height; GtkStyleContext *context; - width = gtk_widget_get_allocated_width (widget); - height = gtk_widget_get_allocated_height (widget); + width = gtk_widget_get_allocated_width (widget); + height = gtk_widget_get_allocated_height (widget); /* Compute triangle's vertices */ - + compute_triangle (hsv, &hx, &hy, &sx, &sy, &vx, &vy); - + x1 = hx; y1 = hy; get_color (priv->h, 1.0, 1.0, &r1, &g1, &b1); @@ -1044,25 +1044,25 @@ paint_triangle (MateHSV *hsv, source = cairo_image_surface_create_for_data ((unsigned char *)buf, CAIRO_FORMAT_RGB24, width, height, stride); - + /* Draw a triangle with the image as a source */ cairo_set_source_surface (cr, source, 0, 0); cairo_surface_destroy (source); - + cairo_move_to (cr, x1, y1); cairo_line_to (cr, x2, y2); cairo_line_to (cr, x3, y3); cairo_close_path (cr); cairo_fill (cr); - + g_free (buf); - + /* Draw value marker */ - + xx = floor (sx + (vx - sx) * priv->v + (hx - vx) * priv->s * priv->v + 0.5); yy = floor (sy + (vy - sy) * priv->v + (hy - vy) * priv->s * priv->v + 0.5); - + r = priv->h; g = priv->s; b = priv->v; @@ -1089,7 +1089,7 @@ paint_triangle (MateHSV *hsv, cairo_new_path (cr); cairo_arc (cr, xx, yy, RADIUS, 0, 2 * G_PI); cairo_stroke (cr); - + /* Draw focus outline */ if (draw_focus && !priv->focus_on_ring) @@ -1158,7 +1158,7 @@ mate_hsv_focus (GtkWidget *widget, gtk_widget_grab_focus (GTK_WIDGET (hsv)); return TRUE; } - + switch (dir) { case GTK_DIR_UP: @@ -1238,9 +1238,9 @@ mate_hsv_set_color (MateHSV *hsv, priv->h = h; priv->s = s; priv->v = v; - + g_signal_emit (hsv, hsv_signals[CHANGED], 0); - + gtk_widget_queue_draw (GTK_WIDGET (hsv)); } @@ -1303,7 +1303,7 @@ mate_hsv_set_metrics (MateHSV *hsv, priv->size = size; priv->ring_width = ring_width; - + if (same_size) gtk_widget_queue_draw (GTK_WIDGET (hsv)); else @@ -1331,18 +1331,18 @@ mate_hsv_get_metrics (MateHSV *hsv, if (size) *size = priv->size; - + if (ring_width) *ring_width = priv->ring_width; } /** * mate_hsv_is_adjusting: - * @hsv: A #MateHSV + * @hsv: A #MateHSV * * An HSV color selector can be said to be adjusting if multiple rapid - * changes are being made to its value, for example, when the user is - * adjusting the value with the mouse. This function queries whether + * changes are being made to its value, for example, when the user is + * adjusting the value with the mouse. This function queries whether * the HSV color selector is being adjusted or not. * * Returns: %TRUE if clients can ignore changes to the color value, @@ -1433,7 +1433,7 @@ mate_hsv_move (MateHSV *hsv, hue = 1.0; else if (hue > 1.0) hue = 0.0; - + mate_hsv_set_color (hsv, hue, sat, val); } |