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-rw-r--r--savers/gste-popsquares.c.orig563
1 files changed, 0 insertions, 563 deletions
diff --git a/savers/gste-popsquares.c.orig b/savers/gste-popsquares.c.orig
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index cda78c7..0000000
--- a/savers/gste-popsquares.c.orig
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@@ -1,563 +0,0 @@
-/* -*- Mode: C; indent-tabs-mode: nil; c-basic-offset: 8; tab-width: 8 -*-
- *
- * Copyright (C) 2005 William Jon McCann <[email protected]>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or (at your option) any later version.
- *
- * This program 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
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
- * 02111-1307, USA.
- *
- */
-
-#include "config.h"
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-
-#include <glib.h>
-#include <gtk/gtk.h>
-
-#include "gs-theme-engine.h"
-#include "gste-popsquares.h"
-
-static void gste_popsquares_class_init (GSTEPopsquaresClass *klass);
-static void gste_popsquares_init (GSTEPopsquares *engine);
-static void gste_popsquares_finalize (GObject *object);
-
-typedef struct _square {
- int x, y, w, h;
- int color;
-} square;
-
-struct GSTEPopsquaresPrivate
-{
- guint timeout_id;
-
- int ncolors;
- int subdivision;
-
- GdkGC *gc;
- GdkColor *colors;
- square *squares;
-
-};
-
-#define GSTE_POPSQUARES_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GSTE_TYPE_POPSQUARES, GSTEPopsquaresPrivate))
-
-static GObjectClass *parent_class = NULL;
-
-G_DEFINE_TYPE (GSTEPopsquares, gste_popsquares, GS_TYPE_THEME_ENGINE)
-
-static void
-hsv_to_rgb (int h,
- double s,
- double v,
- unsigned short *r,
- unsigned short *g,
- unsigned short *b)
-{
- double H, S, V, R, G, B;
- double p1, p2, p3;
- double f;
- int i;
-
- if (s < 0) {
- s = 0;
- }
- if (v < 0) {
- v = 0;
- }
- if (s > 1) {
- s = 1;
- }
- if (v > 1) {
- v = 1;
- }
-
- S = s; V = v;
- H = (h % 360) / 60.0;
- i = H;
- f = H - i;
- p1 = V * (1 - S);
- p2 = V * (1 - (S * f));
- p3 = V * (1 - (S * (1 - f)));
-
- if (i == 0) {
- R = V;
- G = p3;
- B = p1;
- } else if (i == 1) {
- R = p2;
- G = V;
- B = p1;
- } else if (i == 2) {
- R = p1;
- G = V;
- B = p3;
- } else if (i == 3) {
- R = p1;
- G = p2;
- B = V;
- } else if (i == 4) {
- R = p3;
- G = p1;
- B = V;
- } else {
- R = V;
- G = p1;
- B = p2;
- }
-
- *r = R * 65535;
- *g = G * 65535;
- *b = B * 65535;
-}
-
-static void
-rgb_to_hsv (unsigned short r,
- unsigned short g,
- unsigned short b,
- int *h,
- double *s,
- double *v)
-{
- double R, G, B, H, S, V;
- double cmax, cmin;
- double cmm;
- int imax;
-
- R = ((double) r) / 65535.0;
- G = ((double) g) / 65535.0;
- B = ((double) b) / 65535.0;
- cmax = R;
- cmin = G;
- imax = 1;
-
- if (cmax < G) {
- cmax = G; cmin = R; imax = 2;
- }
- if (cmax < B) {
- cmax = B; imax = 3;
- }
- if (cmin > B) {
- cmin = B;
- }
-
- cmm = cmax - cmin;
- V = cmax;
-
- if (cmm == 0) {
- S = H = 0;
- } else {
- S = cmm / cmax;
- if (imax == 1) {
- H = (G - B) / cmm;
- } else if (imax == 2) {
- H = 2.0 + (B - R) / cmm;
- } else {
- /*if (imax == 3)*/
- H = 4.0 + (R - G) / cmm;
- }
-
- if (H < 0) {
- H += 6.0;
- }
- }
-
- *h = (H * 60.0);
- *s = S;
- *v = V;
-}
-
-static void
-make_color_ramp (GdkColormap *colormap,
- int h1,
- double s1,
- double v1,
- int h2,
- double s2,
- double v2,
- GdkColor *colors,
- int n_colors,
- gboolean closed,
- gboolean allocate,
- gboolean writable)
-{
- double dh, ds, dv; /* deltas */
- int i;
- int ncolors, wanted;
- int total_ncolors = n_colors;
-
- wanted = total_ncolors;
- if (closed) {
- wanted = (wanted / 2) + 1;
- }
-
- ncolors = total_ncolors;
-
- memset (colors, 0, n_colors * sizeof (*colors));
-
- if (closed) {
- ncolors = (ncolors / 2) + 1;
- }
-
- /* Note: unlike other routines in this module, this function assumes that
- if h1 and h2 are more than 180 degrees apart, then the desired direction
- is always from h1 to h2 (rather than the shorter path.) make_uniform
- depends on this.
- */
- dh = ((double)h2 - (double)h1) / ncolors;
- ds = (s2 - s1) / ncolors;
- dv = (v2 - v1) / ncolors;
-
- for (i = 0; i < ncolors; i++) {
- hsv_to_rgb ((int) (h1 + (i * dh)),
- (s1 + (i * ds)),
- (v1 + (i * dv)),
- &colors [i].red,
- &colors [i].green,
- &colors [i].blue);
- if (allocate) {
- gdk_colormap_alloc_color (colormap,
- &colors [i],
- writable,
- TRUE);
- }
- }
-
- if (closed) {
- for (i = ncolors; i < n_colors; i++) {
- colors [i] = colors [n_colors - i];
- }
- }
-
-}
-
-static void
-randomize_square_colors (square *squares,
- int nsquares,
- int ncolors)
-{
- int i;
- square *s;
-
- s = squares;
-
- for (i = 0; i < nsquares; i++) {
- s[i].color = g_random_int_range (0, ncolors);
- }
-}
-
-static void
-set_colors (GdkWindow *window,
- GdkColor *fg,
- GdkColor *bg)
-{
- GtkWidget *widget;
- GdkColor color;
-
- widget = gtk_invisible_new ();
-
- color = widget->style->dark [GTK_STATE_SELECTED];
- fg->red = color.red;
- fg->green = color.green;
- fg->blue = color.blue;
- color = widget->style->bg [GTK_STATE_SELECTED];
- bg->red = color.red;
- bg->green = color.green;
- bg->blue = color.blue;
-}
-
-static void
-gste_popsquares_set_property (GObject *object,
- guint prop_id,
- const GValue *value,
- GParamSpec *pspec)
-{
- GSTEPopsquares *self;
-
- self = GSTE_POPSQUARES (object);
-
- switch (prop_id) {
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
-}
-
-static void
-gste_popsquares_get_property (GObject *object,
- guint prop_id,
- GValue *value,
- GParamSpec *pspec)
-{
- GSTEPopsquares *self;
-
- self = GSTE_POPSQUARES (object);
-
- switch (prop_id) {
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
-}
-
-static void
-setup_squares (GSTEPopsquares *pop)
-{
- int window_width;
- int window_height;
- int nsquares;
- int x, y;
- int sw, sh, gw, gh;
- GdkWindow *window;
-
- window = gs_theme_engine_get_window (GS_THEME_ENGINE (pop));
-
- if (window == NULL) {
- return;
- }
-
- gs_theme_engine_get_window_size (GS_THEME_ENGINE (pop), &window_width, &window_height);
-
- sw = window_width / pop->priv->subdivision;
- sh = window_height / pop->priv->subdivision;
-
- gw = pop->priv->subdivision;
- gh = pop->priv->subdivision;
- nsquares = gw * gh;
-
- if (pop->priv->squares) {
- g_free (pop->priv->squares);
- }
- pop->priv->squares = g_new0 (square, nsquares);
-
- for (y = 0; y < gh; y++) {
- for (x = 0; x < gw; x++) {
- square *s = (square *) &pop->priv->squares [gw * y + x];
- s->w = sw;
- s->h = sh;
- s->x = x * sw;
- s->y = y * sh;
- }
- }
-}
-
-static void
-setup_colors (GSTEPopsquares *pop)
-{
- double s1, v1, s2, v2 = 0;
- int h1, h2 = 0;
- int nsquares;
- GdkColor fg;
- GdkColor bg;
- GdkWindow *window;
-
- window = gs_theme_engine_get_window (GS_THEME_ENGINE (pop));
-
- if (window == NULL) {
- return;
- }
-
- set_colors (window, &fg, &bg);
-
- if (pop->priv->gc) {
- g_object_unref (pop->priv->gc);
- }
- pop->priv->gc = gdk_gc_new (window);
-
- if (pop->priv->colors) {
- g_free (pop->priv->colors);
- }
- pop->priv->colors = g_new0 (GdkColor, pop->priv->ncolors);
-
- rgb_to_hsv (fg.red, fg.green, fg.blue, &h1, &s1, &v1);
- rgb_to_hsv (bg.red, bg.green, bg.blue, &h2, &s2, &v2);
-
- make_color_ramp (gtk_widget_get_colormap (GTK_WIDGET (pop)),
- h1, s1, v1,
- h2, s2, v2,
- pop->priv->colors,
- pop->priv->ncolors,
- TRUE,
- TRUE,
- FALSE);
-
- nsquares = pop->priv->subdivision * pop->priv->subdivision;
-
- randomize_square_colors (pop->priv->squares, nsquares, pop->priv->ncolors);
-}
-
-static void
-gste_popsquares_real_show (GtkWidget *widget)
-{
- GSTEPopsquares *pop = GSTE_POPSQUARES (widget);
-
- /* start */
- setup_squares (pop);
- setup_colors (pop);
-
- if (GTK_WIDGET_CLASS (parent_class)->show) {
- GTK_WIDGET_CLASS (parent_class)->show (widget);
- }
-}
-
-static gboolean
-gste_popsquares_real_expose (GtkWidget *widget,
- GdkEventExpose *event)
-{
- gboolean handled = FALSE;
-
- /* draw */
-
- /* FIXME: should double buffer? */
-
- if (GTK_WIDGET_CLASS (parent_class)->expose_event) {
- handled = GTK_WIDGET_CLASS (parent_class)->expose_event (widget, event);
- }
-
- return handled;
-}
-
-static gboolean
-gste_popsquares_real_configure (GtkWidget *widget,
- GdkEventConfigure *event)
-{
- GSTEPopsquares *pop = GSTE_POPSQUARES (widget);
- gboolean handled = FALSE;
-
- /* resize */
-
- /* just reset everything */
- setup_squares (pop);
- setup_colors (pop);
-
- /* schedule a redraw */
- gtk_widget_queue_draw (widget);
-
- if (GTK_WIDGET_CLASS (parent_class)->configure_event) {
- handled = GTK_WIDGET_CLASS (parent_class)->configure_event (widget, event);
- }
-
- return handled;
-}
-
-static void
-gste_popsquares_class_init (GSTEPopsquaresClass *klass)
-{
- GObjectClass *object_class = G_OBJECT_CLASS (klass);
- GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
-
- parent_class = g_type_class_peek_parent (klass);
-
- object_class->finalize = gste_popsquares_finalize;
- object_class->get_property = gste_popsquares_get_property;
- object_class->set_property = gste_popsquares_set_property;
-
- widget_class->show = gste_popsquares_real_show;
- widget_class->expose_event = gste_popsquares_real_expose;
- widget_class->configure_event = gste_popsquares_real_configure;
-
- g_type_class_add_private (klass, sizeof (GSTEPopsquaresPrivate));
-}
-
-static gboolean
-draw_iter (GSTEPopsquares *pop)
-{
- int border = 1;
- gboolean twitch = FALSE;
- int x, y;
- int sw, sh, gw, gh;
- int nsquares;
- int window_width;
- int window_height;
- GdkWindow *window;
-
- window = gs_theme_engine_get_window (GS_THEME_ENGINE (pop));
-
- if (window == NULL) {
- return TRUE;
- }
-
- gs_theme_engine_get_window_size (GS_THEME_ENGINE (pop),
- &window_width,
- &window_height);
- sw = window_width / pop->priv->subdivision;
- sh = window_height / pop->priv->subdivision;
-
- gw = pop->priv->subdivision;
- gh = pop->priv->subdivision;
- nsquares = gw * gh;
-
- for (y = 0; y < gh; y++) {
- for (x = 0; x < gw; x++) {
- square *s = (square *) &pop->priv->squares [gw * y + x];
-
- gdk_gc_set_foreground (pop->priv->gc, &(pop->priv->colors [s->color]));
- gdk_draw_rectangle (window, pop->priv->gc, TRUE, s->x, s->y,
- border ? s->w - border : s->w,
- border ? s->h - border : s->h);
- s->color++;
-
- if (s->color == pop->priv->ncolors) {
- if (twitch && ((g_random_int_range (0, 4)) == 0)) {
- randomize_square_colors (pop->priv->squares, nsquares, pop->priv->ncolors);
- } else {
- s->color = g_random_int_range (0, pop->priv->ncolors);
- }
- }
- }
- }
-
- return TRUE;
-}
-
-static void
-gste_popsquares_init (GSTEPopsquares *pop)
-{
- int delay;
-
- pop->priv = GSTE_POPSQUARES_GET_PRIVATE (pop);
-
- pop->priv->ncolors = 128;
- pop->priv->subdivision = 5;
-
- delay = 25;
- pop->priv->timeout_id = g_timeout_add (delay, (GSourceFunc)draw_iter, pop);
-}
-
-static void
-gste_popsquares_finalize (GObject *object)
-{
- GSTEPopsquares *pop;
-
- g_return_if_fail (object != NULL);
- g_return_if_fail (GSTE_IS_POPSQUARES (object));
-
- pop = GSTE_POPSQUARES (object);
-
- g_return_if_fail (pop->priv != NULL);
-
- if (pop->priv->timeout_id > 0) {
- g_source_remove (pop->priv->timeout_id);
- pop->priv->timeout_id = 0;
- }
-
- g_free (pop->priv->squares);
- g_free (pop->priv->colors);
- g_object_unref (pop->priv->gc);
-
- G_OBJECT_CLASS (parent_class)->finalize (object);
-}
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