mirror of
https://gitlab.gnome.org/GNOME/gtk.git
synced 2024-09-20 05:50:11 +00:00
580 lines
18 KiB
C
580 lines
18 KiB
C
#include <gtk/gtk.h>
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#include <math.h>
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#include <stdlib.h>
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static void
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hsv_to_rgb (GdkRGBA *rgba,
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gdouble h,
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gdouble s,
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gdouble v)
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{
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gdouble hue, saturation, value;
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gdouble f, p, q, t;
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rgba->alpha = 1.0;
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if ( s == 0.0)
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{
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rgba->red = v;
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rgba->green = v;
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rgba->blue = v; /* heh */
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}
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else
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{
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hue = h * 6.0;
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saturation = s;
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value = v;
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if (hue == 6.0)
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hue = 0.0;
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f = hue - (int) hue;
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p = value * (1.0 - saturation);
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q = value * (1.0 - saturation * f);
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t = value * (1.0 - saturation * (1.0 - f));
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switch ((int) hue)
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{
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case 0:
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rgba->red = value;
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rgba->green = t;
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rgba->blue = p;
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break;
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case 1:
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rgba->red = q;
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rgba->green = value;
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rgba->blue = p;
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break;
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case 2:
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rgba->red = p;
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rgba->green = value;
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rgba->blue = t;
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break;
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case 3:
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rgba->red = p;
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rgba->green = q;
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rgba->blue = value;
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break;
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case 4:
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rgba->red = t;
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rgba->green = p;
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rgba->blue = value;
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break;
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case 5:
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rgba->red = value;
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rgba->green = p;
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rgba->blue = q;
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break;
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default:
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g_assert_not_reached ();
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}
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}
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}
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static GskRenderNode *
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rounded_borders (guint n)
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{
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GskRenderNode **nodes = g_newa (GskRenderNode *, n);
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GskRenderNode *container;
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GskRoundedRect outline;
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float widths[4];
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GdkRGBA colors[4];
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guint i;
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for (i = 0; i < n; i++)
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{
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outline.bounds.size.width = g_random_int_range (20, 1000);
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outline.bounds.origin.x = g_random_int_range (0, 1000 - outline.bounds.size.width);
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outline.bounds.size.height = g_random_int_range (20, 1000);
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outline.bounds.origin.y = g_random_int_range (0, 1000 - outline.bounds.size.height);
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outline.corner[0].width = outline.corner[0].height = 10 - (int) sqrt (g_random_int_range (0, 100));
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outline.corner[1].width = outline.corner[1].height = 10 - (int) sqrt (g_random_int_range (0, 100));
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outline.corner[2].width = outline.corner[2].height = 10 - (int) sqrt (g_random_int_range (0, 100));
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outline.corner[3].width = outline.corner[3].height = 10 - (int) sqrt (g_random_int_range (0, 100));
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widths[0] = widths[1] = widths[2] = widths[3] = g_random_int_range (0, 5);
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hsv_to_rgb (&colors[0], g_random_double (), 1.0, 1.0);
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colors[3] = colors[2] = colors[1] = colors[0];
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nodes[i] = gsk_border_node_new (&outline, widths, colors);
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}
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container = gsk_container_node_new (nodes, n);
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for (i = 0; i < n; i++)
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gsk_render_node_unref (nodes[i]);
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return container;
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}
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static GskRenderNode *
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rounded_backgrounds (guint n)
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{
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GskRenderNode **nodes = g_newa (GskRenderNode *, n);
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GskRenderNode *container, *texture;
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GskRoundedRect outline;
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GdkRGBA color;
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guint i;
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for (i = 0; i < n; i++)
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{
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outline.bounds.size.width = g_random_int_range (20, 100);
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outline.bounds.origin.x = g_random_int_range (0, 1000 - outline.bounds.size.width);
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outline.bounds.size.height = g_random_int_range (20, 100);
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outline.bounds.origin.y = g_random_int_range (0, 1000 - outline.bounds.size.height);
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outline.corner[0].width = outline.corner[0].height = 10 - (int) sqrt (g_random_int_range (0, 100));
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outline.corner[1].width = outline.corner[1].height = 10 - (int) sqrt (g_random_int_range (0, 100));
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outline.corner[2].width = outline.corner[2].height = 10 - (int) sqrt (g_random_int_range (0, 100));
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outline.corner[3].width = outline.corner[3].height = 10 - (int) sqrt (g_random_int_range (0, 100));
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hsv_to_rgb (&color, g_random_double (), g_random_double_range (0.15, 0.4), g_random_double_range (0.6, 0.85));
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color.alpha = g_random_double_range (0.5, 0.75);
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texture = gsk_color_node_new (&color, &outline.bounds);
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nodes[i] = gsk_rounded_clip_node_new (texture, &outline);
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}
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container = gsk_container_node_new (nodes, n);
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for (i = 0; i < n; i++)
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gsk_render_node_unref (nodes[i]);
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return container;
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}
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static GskRenderNode *
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colors (guint n)
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{
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GskRenderNode **nodes = g_new (GskRenderNode *, 10 * n);
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GskRenderNode *container;
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graphene_rect_t bounds;
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GdkRGBA color;
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guint i;
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for (i = 0; i < 10 * n; i++)
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{
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bounds.size.width = g_random_int_range (20, 100);
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bounds.origin.x = g_random_int_range (0, 1000 - bounds.size.width);
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bounds.size.height = g_random_int_range (20, 100);
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bounds.origin.y = g_random_int_range (0, 1000 - bounds.size.height);
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hsv_to_rgb (&color, g_random_double (), g_random_double_range (0.15, 0.4), g_random_double_range (0.6, 0.85));
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color.alpha = g_random_double_range (0.5, 0.75);
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nodes[i] = gsk_color_node_new (&color, &bounds);
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}
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container = gsk_container_node_new (nodes, 10 * n);
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for (i = 0; i < 10 * n; i++)
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gsk_render_node_unref (nodes[i]);
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g_free (nodes);
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return container;
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}
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static GskRenderNode *
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clipped_colors (guint n)
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{
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GskRenderNode **nodes = g_newa (GskRenderNode *,n);
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GskRenderNode *container;
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graphene_rect_t bounds;
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GdkRGBA color;
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guint i;
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for (i = 0; i < n; i++)
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{
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bounds.size.width = g_random_int_range (20, 100);
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bounds.origin.x = g_random_int_range (0, 1000 - bounds.size.width);
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bounds.size.height = g_random_int_range (20, 100);
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bounds.origin.y = g_random_int_range (0, 1000 - bounds.size.height);
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hsv_to_rgb (&color, g_random_double (), g_random_double_range (0.15, 0.4), g_random_double_range (0.6, 0.85));
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color.alpha = g_random_double_range (0.5, 0.75);
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nodes[i] = gsk_color_node_new (&color, &bounds);
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}
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container = gsk_container_node_new (nodes, n);
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for (i = 0; i < n; i++)
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gsk_render_node_unref (nodes[i]);
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#define GRID_SIZE 4
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for (i = 0; i < GRID_SIZE * GRID_SIZE; i++)
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{
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guint x = i % GRID_SIZE;
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guint y = i / GRID_SIZE;
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if ((x + y) % 2)
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continue;
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nodes[i / 2] = gsk_clip_node_new (container,
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&GRAPHENE_RECT_INIT(
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x * 1000 / GRID_SIZE, y * 1000 / GRID_SIZE,
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1000 / GRID_SIZE, 1000 / GRID_SIZE
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));
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}
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gsk_render_node_unref (container);
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container = gsk_container_node_new (nodes, GRID_SIZE * GRID_SIZE / 2);
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for (i = 0; i < GRID_SIZE * GRID_SIZE / 2; i++)
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gsk_render_node_unref (nodes[i]);
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return container;
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}
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static int
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compare_color_stops (gconstpointer a,
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gconstpointer b,
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gpointer user_data)
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{
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const GskColorStop *stopa = a;
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const GskColorStop *stopb = b;
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if (stopa->offset < stopb->offset)
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return -1;
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else if (stopa->offset > stopb->offset)
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return 1;
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else
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return 0;
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}
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static GskRenderNode *
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linear_gradient (guint n)
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{
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GskRenderNode **nodes = g_newa (GskRenderNode *, n);
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GskRenderNode *container;
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graphene_rect_t bounds;
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GskColorStop stops[5];
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graphene_point_t start, end;
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guint i, j, n_stops;
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for (i = 0; i < n; i++)
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{
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bounds.size.width = g_random_int_range (20, 100);
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bounds.origin.x = g_random_int_range (0, 1000 - bounds.size.width);
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bounds.size.height = g_random_int_range (20, 100);
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bounds.origin.y = g_random_int_range (0, 1000 - bounds.size.height);
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do {
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start.x = g_random_double_range (- bounds.size.width / 4, bounds.size.width / 4);
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if (start.x >= 0)
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start.x += bounds.origin.x;
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else
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start.x += bounds.origin.x + bounds.size.width;
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start.y = g_random_double_range (- bounds.size.height / 4, bounds.size.height / 4);
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if (start.y >= 0)
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start.y += bounds.origin.y;
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else
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start.y += bounds.origin.y + bounds.size.height;
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end.x = g_random_double_range (- bounds.size.width / 4, bounds.size.width / 4);
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if (end.x >= 0)
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end.x += bounds.origin.x;
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else
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end.x += bounds.origin.x + bounds.size.width;
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end.y = g_random_double_range (- bounds.size.height / 4, bounds.size.height / 4);
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if (end.y >= 0)
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end.y += bounds.origin.y;
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else
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end.y += bounds.origin.y + bounds.size.height;
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} while (graphene_point_equal (&start, &end));
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n_stops = g_random_int_range (2, 5);
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for (j = 0; j < n_stops; j++)
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{
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if (j == 0)
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stops[j].offset = 0;
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else if (j == n_stops - 1)
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stops[j].offset = 1;
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else
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stops[j].offset = g_random_double_range (0, 1);
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hsv_to_rgb (&stops[j].color, g_random_double (), g_random_double_range (0.15, 0.4), g_random_double_range (0.6, 0.85));
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stops[j].color.alpha = g_random_double_range (0, 1);
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}
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g_qsort_with_data (stops, n_stops, sizeof (stops[0]), compare_color_stops, 0);
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if (g_random_boolean ())
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nodes[i] = gsk_linear_gradient_node_new (&bounds, &start, &end, stops, n_stops);
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else
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nodes[i] = gsk_repeating_linear_gradient_node_new (&bounds, &start, &end, stops, n_stops);
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}
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container = gsk_container_node_new (nodes, n);
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for (i = 0; i < n; i++)
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gsk_render_node_unref (nodes[i]);
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return container;
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}
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static GskRenderNode *
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borders (guint n)
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{
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GskRenderNode **nodes = g_newa (GskRenderNode *, n);
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GskRenderNode *container;
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GskRoundedRect outline;
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GdkRGBA colors[4];
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float widths[4];
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guint i, j;
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for (i = 0; i < n; i++)
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{
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outline.bounds.size.width = g_random_int_range (20, 100);
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outline.bounds.origin.x = g_random_int_range (0, 1000 - outline.bounds.size.width);
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outline.bounds.size.height = g_random_int_range (20, 100);
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outline.bounds.origin.y = g_random_int_range (0, 1000 - outline.bounds.size.height);
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outline.corner[1].width = outline.corner[1].height = 10 - (int) sqrt (g_random_int_range (0, 100));
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outline.corner[2].width = outline.corner[2].height = 10 - (int) sqrt (g_random_int_range (0, 100));
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outline.corner[3].width = outline.corner[3].height = 10 - (int) sqrt (g_random_int_range (0, 100));
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for (j = 0; j < 4; j++)
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{
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outline.corner[0].width = 10 - (int) sqrt (g_random_int_range (0, 100));
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outline.corner[0].height = 10 - (int) sqrt (g_random_int_range (0, 100));
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hsv_to_rgb (&colors[j], g_random_double (), 1.0, 0.5); //g_random_double_range (0.15, 0.4), g_random_double_range (0.6, 0.85));
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colors[j].alpha = 1.0; //g_random_double_range (0.8, 1.0);
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widths[j] = g_random_int_range (1, 6);
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}
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nodes[i] = gsk_border_node_new (&outline, widths, colors);
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}
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container = gsk_container_node_new (nodes, n);
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for (i = 0; i < n; i++)
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gsk_render_node_unref (nodes[i]);
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return container;
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}
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const char *example =
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"'Twas brillig, and the slithy toves\n"
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"Did gyre and gimble in the wabe;\n"
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"All mimsy were the borogoves,\n"
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"And the mome raths outgrabe.\n"
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"\n"
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"'Beware the Jabberwock, my son!\n"
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"The jaws that bite, the claws that catch!\n"
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"Beware the Jubjub bird, and shun\n"
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"The frumious Bandersnatch!'";
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static GskRenderNode *
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text (guint n)
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{
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GPtrArray *nodes;
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GskRenderNode *container;
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PangoFontDescription *desc;
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PangoContext *context;
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PangoLayout *layout;
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GtkSettings *settings;
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char *usr_dict_words;
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char **words;
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gsize n_words;
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int dpi_int;
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int i;
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if (g_file_get_contents ("/usr/share/dict/words", &usr_dict_words, NULL, NULL))
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{
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words = g_strsplit (usr_dict_words, "\n", -1);
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g_free (usr_dict_words);
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}
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else
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{
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words = g_strsplit ("the quick brown fox jumps over the lazy dog", " ", -1);
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}
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n_words = g_strv_length (words);
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context = pango_font_map_create_context (pango_cairo_font_map_get_default ());
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nodes = g_ptr_array_new_with_free_func ((GDestroyNotify) gsk_render_node_unref);
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settings = gtk_settings_get_default ();
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g_object_get (settings, "gtk-xft-dpi", &dpi_int, NULL);
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if (dpi_int > 0)
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pango_cairo_context_set_resolution (context, dpi_int / 1024.);
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desc = pango_font_description_new ();
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pango_font_description_set_family (desc, "Cantarell");
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layout = pango_layout_new (context);
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for (i = 0; i < n; i++)
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{
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PangoFont *font;
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PangoLayoutIter *iter;
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PangoLayoutRun *run;
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GdkRGBA color;
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int x, y, width, height;
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pango_layout_set_text (layout, words[g_random_int_range (0, n_words)], -1);
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if (g_random_boolean ())
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pango_font_description_set_style (desc, PANGO_STYLE_ITALIC);
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else
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pango_font_description_set_style (desc, PANGO_STYLE_NORMAL);
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pango_font_description_set_weight (desc, 100 * g_random_int_range (1, 10));
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pango_font_description_set_size (desc, PANGO_SCALE * g_random_int_range (8,32));
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font = pango_context_load_font (context, desc);
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pango_layout_set_font_description (layout, desc);
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pango_layout_get_pixel_size (layout, &width, &height);
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x = width >= 1000 ? 0 : g_random_int_range (0, 1000 - width);
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y = height >= 1000 ? 0 : g_random_int_range (0, 1000 - height);
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hsv_to_rgb (&color, g_random_double (), g_random_double_range (0.5, 1.0), g_random_double_range (0.15, 0.75));
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iter = pango_layout_get_iter (layout);
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do
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{
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run = pango_layout_iter_get_run (iter);
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if (run != NULL)
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{
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GskRenderNode *node;
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node = gsk_text_node_new (font, run->glyphs, &color, &GRAPHENE_POINT_INIT (x, y));
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if (node)
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g_ptr_array_add (nodes, node);
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}
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}
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while (pango_layout_iter_next_run (iter));
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pango_layout_iter_free (iter);
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g_object_unref (font);
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}
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pango_font_description_free (desc);
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g_object_unref (layout);
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container = gsk_container_node_new ((GskRenderNode **) nodes->pdata, nodes->len);
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g_ptr_array_unref (nodes);
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g_strfreev (words);
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return container;
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}
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static GskRenderNode *
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cairo_node (guint n)
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{
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GskRenderNode **nodes = g_newa (GskRenderNode *, n);
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GskRenderNode *container;
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graphene_rect_t bounds;
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guint i;
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for (i = 0; i < n; i++)
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{
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bounds.size.width = g_random_int_range (20, 100);
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bounds.origin.x = g_random_int_range (0, 1000 - bounds.size.width);
|
|
bounds.size.height = g_random_int_range (20, 100);
|
|
bounds.origin.y = g_random_int_range (0, 1000 - bounds.size.height);
|
|
nodes [i] = gsk_cairo_node_new (&bounds);
|
|
}
|
|
|
|
container = gsk_container_node_new (nodes, n);
|
|
|
|
for (i = 0; i < n; i++)
|
|
gsk_render_node_unref (nodes[i]);
|
|
|
|
return container;
|
|
}
|
|
|
|
static GskRenderNode *
|
|
box_shadows (guint n)
|
|
{
|
|
GskRenderNode **nodes = g_newa (GskRenderNode *, n);
|
|
GskRenderNode *container;
|
|
int i, j;
|
|
GskRoundedRect outline;
|
|
GdkRGBA color;
|
|
float dx, dy;
|
|
float spread;
|
|
float blur;
|
|
|
|
for (i = 0; i < n; i++)
|
|
{
|
|
outline.bounds.size.width = g_random_int_range (20, 100);
|
|
outline.bounds.origin.x = g_random_int_range (0, 1000 - outline.bounds.size.width);
|
|
outline.bounds.size.height = g_random_int_range (20, 100);
|
|
outline.bounds.origin.y = g_random_int_range (0, 1000 - outline.bounds.size.height);
|
|
outline.corner[1].width = outline.corner[1].height = 10 - (int) sqrt (g_random_int_range (0, 100));
|
|
outline.corner[2].width = outline.corner[2].height = 10 - (int) sqrt (g_random_int_range (0, 100));
|
|
outline.corner[3].width = outline.corner[3].height = 10 - (int) sqrt (g_random_int_range (0, 100));
|
|
for (j = 0; j < 4; j++)
|
|
{
|
|
outline.corner[0].width = 10 - (int) sqrt (g_random_int_range (0, 100));
|
|
outline.corner[0].height = 10 - (int) sqrt (g_random_int_range (0, 100));
|
|
}
|
|
|
|
hsv_to_rgb (&color, g_random_double (), g_random_double_range (0.15, 0.4), g_random_double_range (0.6, 0.85));
|
|
|
|
dx = g_random_double_range (0.0, 5.0);
|
|
dy = g_random_double_range (0.0, 5.0);
|
|
spread = g_random_double_range (0.0, 10.0);
|
|
blur = g_random_double_range (0.0, 10.0);
|
|
|
|
if (g_random_boolean ())
|
|
nodes[i] = gsk_inset_shadow_node_new (&outline, &color, dx, dy, spread, blur);
|
|
else
|
|
nodes[i] = gsk_outset_shadow_node_new (&outline, &color, dx, dy, spread, blur);
|
|
}
|
|
|
|
container = gsk_container_node_new (nodes, n);
|
|
|
|
for (i = 0; i < n; i++)
|
|
gsk_render_node_unref (nodes[i]);
|
|
|
|
return container;
|
|
}
|
|
|
|
int
|
|
main (int argc, char **argv)
|
|
{
|
|
static const struct {
|
|
const char *name;
|
|
GskRenderNode * (* func) (guint n);
|
|
} functions[] = {
|
|
{ "cairo.node", cairo_node },
|
|
{ "colors.node", colors },
|
|
{ "clipped-colors.node", clipped_colors },
|
|
{ "rounded-borders.node", rounded_borders },
|
|
{ "rounded-backgrounds.node", rounded_backgrounds },
|
|
{ "linear-gradient.node", linear_gradient },
|
|
{ "borders.node", borders },
|
|
{ "text.node", text },
|
|
{ "box-shadows.node", box_shadows },
|
|
};
|
|
GError *error = NULL;
|
|
GskRenderNode *node;
|
|
GPatternSpec *matcher;
|
|
const char *pattern;
|
|
guint i, n;
|
|
|
|
gtk_init ();
|
|
|
|
n = 100000;
|
|
pattern = "*";
|
|
|
|
if (argc > 1)
|
|
{
|
|
if (argc > 2)
|
|
pattern = argv[2];
|
|
n = atoi (argv[1]);
|
|
}
|
|
|
|
matcher = g_pattern_spec_new (pattern);
|
|
|
|
for (i = 0; i < G_N_ELEMENTS (functions); i++)
|
|
{
|
|
if (!g_pattern_match_string (matcher, functions[i].name))
|
|
continue;
|
|
|
|
node = functions[i].func (n);
|
|
if (!gsk_render_node_write_to_file (node, functions[i].name, &error))
|
|
{
|
|
g_print ("Error writing \"%s\": %s\n", functions[i].name, error->message);
|
|
g_clear_error (&error);
|
|
return 1;
|
|
}
|
|
gsk_render_node_unref (node);
|
|
g_print ("Created test file \"%s\".\n", functions[i].name);
|
|
}
|
|
|
|
g_pattern_spec_free (matcher);
|
|
|
|
return 0;
|
|
}
|