gtk/testsuite/gdk/texture.c
Matthias Clasen 5297c5f2ee gdk: Give textures a color state
Adds gdk_texture_get_color_state() and GdkTexture::color-state property.

All texture implementations initialize the property to SRGB for now.
2024-07-11 14:57:19 +02:00

470 lines
13 KiB
C

#include <gtk.h>
#include "gdk/gdkmemorytextureprivate.h"
#include "gdk/gdktextureprivate.h"
#define assert_texture_diff_equal(a, b, expected) G_STMT_START { \
cairo_region_t *_r; \
\
_r = cairo_region_create (); \
gdk_texture_diff (a, b, _r); \
g_assert_true (cairo_region_equal (_r, expected)); \
cairo_region_destroy(_r); \
\
_r = cairo_region_create (); \
gdk_texture_diff (b, a, _r); \
g_assert_true (cairo_region_equal (_r, expected)); \
cairo_region_destroy(_r); \
}G_STMT_END
static void
compare_pixels (int width,
int height,
guchar *data1,
gsize stride1,
guchar *data2,
gsize stride2)
{
int x, y;
for (y = 0; y < height; y++)
{
const guint32 *p1 = (const guint32*) (data1 + y * stride1);
const guint32 *p2 = (const guint32*) (data2 + y * stride2);
for (x = 0; x < width; x++)
{
g_assert_cmphex (p1[x], ==, p2[x]);
}
}
}
static GdkTexture *
red_texture_new (int width,
int height)
{
/* We use GDK_MEMORY_R8G8B8A8 here because it's the expected PNG RGBA format */
const GdkMemoryFormat format = GDK_MEMORY_R8G8B8A8;
int i;
guint32 *data;
GBytes *bytes;
GdkTexture *texture;
data = g_malloc (width * height * 4);
for (i = 0; i < width * height; i++)
data[i] = 0xFF0000FF;
bytes = g_bytes_new_take ((guint8 *) data, width * height * 4);
texture = gdk_memory_texture_new (width, height, format, bytes, width * 4);
g_bytes_unref (bytes);
return texture;
}
static void
compare_textures (GdkTexture *texture1,
GdkTexture *texture2)
{
int width, height;
gsize stride;
guchar *data1;
guchar *data2;
g_assert_true (gdk_texture_get_width (texture1) == gdk_texture_get_width (texture2));
g_assert_true (gdk_texture_get_height (texture1) == gdk_texture_get_height (texture2));
g_assert_true (gdk_texture_get_color_state (texture1) == gdk_texture_get_color_state (texture2));
width = gdk_texture_get_width (texture1);
height = gdk_texture_get_height (texture1);
stride = 4 * width;
data1 = g_new0 (guchar, stride * height);
gdk_texture_download (texture1, data1, stride);
data2 = g_new0 (guchar, stride * height);
gdk_texture_download (texture2, data2, stride);
compare_pixels (width, height,
data1, stride,
data2, stride);
g_free (data1);
g_free (data2);
}
static void
test_texture_from_pixbuf (void)
{
GdkPixbuf *pixbuf;
GdkTexture *texture;
GError *error = NULL;
guchar *data;
int width, height;
gsize stride;
cairo_surface_t *surface;
cairo_t *cr;
pixbuf = gdk_pixbuf_new_from_resource ("/org/gtk/libgtk/icons/16x16/places/user-trash.png", &error);
g_assert_no_error (error);
g_assert_nonnull (pixbuf);
g_assert_true (gdk_pixbuf_get_has_alpha (pixbuf));
width = gdk_pixbuf_get_width (pixbuf);
height = gdk_pixbuf_get_height (pixbuf);
texture = gdk_texture_new_for_pixbuf (pixbuf);
g_assert_nonnull (texture);
g_assert_cmpint (gdk_texture_get_width (texture), ==, width);
g_assert_cmpint (gdk_texture_get_height (texture), ==, height);
stride = 4 * width;
data = g_new0 (guchar, stride * height);
gdk_texture_download (texture, data, stride);
surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, width, height);
cr = cairo_create (surface);
gdk_cairo_set_source_pixbuf (cr, pixbuf, 0, 0);
cairo_paint (cr);
cairo_destroy (cr);
compare_pixels (width, height,
data, stride,
cairo_image_surface_get_data (surface),
cairo_image_surface_get_stride (surface));
g_free (data);
g_object_unref (pixbuf);
g_object_unref (texture);
cairo_surface_destroy (surface);
}
static void
test_texture_from_resource (void)
{
GdkTexture *texture;
GdkColorState *color_state;
int width, height;
texture = gdk_texture_new_from_resource ("/org/gtk/libgtk/icons/16x16/places/user-trash.png");
g_assert_nonnull (texture);
g_object_get (texture,
"width", &width,
"height", &height,
"color-state", &color_state,
NULL);
g_assert_cmpint (width, ==, 16);
g_assert_cmpint (height, ==, 16);
g_assert_true (gdk_color_state_equal (color_state, gdk_color_state_get_srgb ()));
gdk_color_state_unref (color_state);
g_object_unref (texture);
}
static void
test_texture_save_to_png (void)
{
GdkTexture *texture;
GError *error = NULL;
GFile *file;
GdkTexture *texture2;
texture = gdk_texture_new_from_resource ("/org/gtk/libgtk/icons/16x16/places/user-trash.png");
g_assert_true (gdk_texture_save_to_png (texture, "test.png"));
file = g_file_new_for_path ("test.png");
texture2 = gdk_texture_new_from_file (file, &error);
g_object_unref (file);
g_assert_no_error (error);
compare_textures (texture, texture2);
g_object_unref (texture);
g_object_unref (texture2);
/* libpng has a builtin user limit of 1M pixels per dimension, so we make it 1px too big. */
texture = red_texture_new (1 * 1000 * 1000 + 1, 1);
g_assert_true (gdk_texture_save_to_png (texture, "test.png"));
}
static void
test_texture_save_to_tiff (void)
{
GdkTexture *texture;
GError *error = NULL;
GFile *file;
GdkTexture *texture2;
texture = gdk_texture_new_from_resource ("/org/gtk/libgtk/icons/16x16/places/user-trash.png");
gdk_texture_save_to_tiff (texture, "test.tiff");
file = g_file_new_for_path ("test.tiff");
texture2 = gdk_texture_new_from_file (file, &error);
g_object_unref (file);
g_assert_no_error (error);
compare_textures (texture, texture2);
g_object_unref (texture);
g_object_unref (texture2);
}
static void
test_texture_subtexture (void)
{
cairo_t *cr;
cairo_surface_t *surface;
cairo_pattern_t *pattern;
GdkTexture *texture, *subtexture;
guchar *data, *subdata;
gsize stride, substride;
surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 64, 64);
cr = cairo_create (surface);
pattern = cairo_pattern_create_linear (0, 0, 64, 64);
cairo_pattern_add_color_stop_rgba (pattern, 0, 1, 0, 0, 0.2);
cairo_pattern_add_color_stop_rgba (pattern, 1, 1, 0, 1, 1);
cairo_set_source (cr, pattern);
cairo_paint (cr);
texture = gdk_texture_new_for_surface (surface);
cairo_pattern_destroy (pattern);
cairo_destroy (cr);
cairo_surface_destroy (surface);
subtexture = gdk_memory_texture_new_subtexture (GDK_MEMORY_TEXTURE (texture), 0, 0, 32, 32);
g_assert_cmpint (gdk_texture_get_width (subtexture), ==, 32);
g_assert_cmpint (gdk_texture_get_height (subtexture), ==, 32);
g_assert_true (gdk_color_state_equal (gdk_texture_get_color_state (subtexture),
gdk_texture_get_color_state (texture)));
data = g_new0 (guchar, 64 * 64 * 4);
stride = 64 * 4;
gdk_texture_download (texture, data, stride);
subdata = g_new0 (guchar, 32 * 32 * 4);
substride = 32 * 4;
gdk_texture_download (subtexture, subdata, substride);
compare_pixels (32, 32,
data, stride,
subdata, substride);
g_free (data);
g_free (subdata);
g_object_unref (subtexture);
g_object_unref (texture);
}
static void
test_texture_icon (void)
{
GdkTexture *texture;
GdkTexture *texture2;
GInputStream *stream;
GdkPixbuf *pixbuf;
GError *error = NULL;
texture = gdk_texture_new_from_resource ("/org/gtk/libgtk/icons/16x16/places/user-trash.png");
stream = g_loadable_icon_load (G_LOADABLE_ICON (texture), 16, NULL, NULL, &error);
g_assert_no_error (error);
g_assert_nonnull (stream);
pixbuf = gdk_pixbuf_new_from_stream (stream, NULL, &error);
g_assert_no_error (error);
g_assert_nonnull (pixbuf);
texture2 = gdk_texture_new_for_pixbuf (pixbuf);
compare_textures (texture, texture2);
g_object_unref (texture2);
g_object_unref (pixbuf);
g_object_unref (stream);
g_object_unref (texture);
}
static void
icon_loaded (GObject *source,
GAsyncResult *result,
gpointer data)
{
GdkTexture *texture = GDK_TEXTURE (source);
GError *error = NULL;
GdkTexture *texture2;
GdkPixbuf *pixbuf;
GInputStream *stream;
gboolean *done = (gboolean *)data;
stream = g_loadable_icon_load_finish (G_LOADABLE_ICON (texture), result, NULL, &error);
g_assert_no_error (error);
g_assert_nonnull (stream);
pixbuf = gdk_pixbuf_new_from_stream (stream, NULL, &error);
g_assert_no_error (error);
g_assert_nonnull (pixbuf);
texture2 = gdk_texture_new_for_pixbuf (pixbuf);
compare_textures (texture, texture2);
g_object_unref (texture2);
g_object_unref (pixbuf);
g_object_unref (stream);
g_object_unref (texture);
*done = TRUE;
}
static void
test_texture_icon_async (void)
{
GdkTexture *texture;
gboolean done = FALSE;
texture = gdk_texture_new_from_resource ("/org/gtk/libgtk/icons/16x16/places/user-trash.png");
g_loadable_icon_load_async (G_LOADABLE_ICON (texture), 16, NULL, icon_loaded, &done);
while (!done)
g_main_context_iteration (NULL, FALSE);
}
static void
test_texture_icon_serialize (void)
{
GdkTexture *texture;
GVariant *data;
GIcon *icon;
texture = gdk_texture_new_from_resource ("/org/gtk/libgtk/icons/16x16/places/user-trash.png");
data = g_icon_serialize (G_ICON (texture));
g_assert_nonnull (data);
icon = g_icon_deserialize (data);
g_assert_true (G_IS_BYTES_ICON (icon));
g_variant_unref (data);
g_object_unref (icon);
g_object_unref (texture);
}
static void
test_texture_diff (void)
{
GdkTexture *texture0;
GdkTexture *texture;
GdkTexture *texture2;
cairo_region_t *empty;
cairo_region_t *full;
cairo_region_t *center;
cairo_region_t *left;
cairo_region_t *left_center;
texture0 = gdk_texture_new_from_resource ("/org/gtk/libgtk/icons/16x16/places/user-trash.png");
texture = gdk_texture_new_from_resource ("/org/gtk/libgtk/icons/16x16/places/user-trash.png");
texture2 = gdk_texture_new_from_resource ("/org/gtk/libgtk/icons/16x16/places/user-trash.png");
empty = cairo_region_create();
full = cairo_region_create_rectangle (&(cairo_rectangle_int_t) { 0, 0, 16, 16 });
center = cairo_region_create_rectangle (&(cairo_rectangle_int_t) { 4, 4, 8 ,8 });
left = cairo_region_create_rectangle (&(cairo_rectangle_int_t) { 0, 4, 4, 4 });
left_center = cairo_region_copy (left);
cairo_region_union (left_center, center);
assert_texture_diff_equal (texture, texture, empty);
/* No diff set, so we get the full area */
assert_texture_diff_equal (texture, texture2, full);
gdk_texture_set_diff (texture, texture2, cairo_region_copy (center));
assert_texture_diff_equal (texture, texture2, center);
gdk_texture_set_diff (texture0, texture, cairo_region_copy (left));
assert_texture_diff_equal (texture0, texture2, left_center);
g_object_unref (texture);
assert_texture_diff_equal (texture0, texture2, left_center);
cairo_region_destroy (full);
cairo_region_destroy (center);
cairo_region_destroy (left);
cairo_region_destroy (left_center);
g_object_unref (texture2);
g_object_unref (texture0);
}
static void
test_texture_downloader (void)
{
GdkTexture *texture;
GdkTexture *texture2;
GdkTextureDownloader *downloader;
GdkTextureDownloader *downloader2;
gsize stride;
GBytes *bytes;
guchar *data;
texture = gdk_texture_new_from_resource ("/org/gtk/libgtk/icons/16x16/places/user-trash.png");
texture2 = gdk_texture_new_from_resource ("/org/gtk/libgtk/icons/16x16/places/user-trash.png");
downloader = gdk_texture_downloader_new (texture);
downloader2 = gdk_texture_downloader_copy (downloader);
g_assert_true (gdk_texture_downloader_get_texture (downloader2) == texture);
gdk_texture_downloader_free (downloader2);
gdk_texture_downloader_set_texture (downloader, texture2);
gdk_texture_downloader_set_format (downloader, GDK_MEMORY_R16G16B16A16);
g_assert_true (gdk_texture_downloader_get_format (downloader) == GDK_MEMORY_R16G16B16A16);
bytes = gdk_texture_downloader_download_bytes (downloader, &stride);
g_assert_true (stride == 4 * 2 * 16);
g_assert_true (g_bytes_get_size (bytes) == stride * 16);
data = g_malloc (stride * 16);
gdk_texture_downloader_download_into (downloader, data, stride);
g_assert_true (memcmp (data, g_bytes_get_data (bytes, NULL), stride * 16) == 0);
g_free (data);
g_bytes_unref (bytes);
gdk_texture_downloader_free (downloader);
g_object_unref (texture2);
g_object_unref (texture);
}
int
main (int argc, char *argv[])
{
/* We want to use resources from libgtk, so we need gtk initialized */
gtk_test_init (&argc, &argv, NULL);
g_test_add_func ("/texture/from-pixbuf", test_texture_from_pixbuf);
g_test_add_func ("/texture/from-resource", test_texture_from_resource);
g_test_add_func ("/texture/save-to-png", test_texture_save_to_png);
g_test_add_func ("/texture/save-to-tiff", test_texture_save_to_tiff);
g_test_add_func ("/texture/subtexture", test_texture_subtexture);
g_test_add_func ("/texture/icon/load", test_texture_icon);
g_test_add_func ("/texture/icon/load-async", test_texture_icon_async);
g_test_add_func ("/texture/icon/serialize", test_texture_icon_serialize);
g_test_add_func ("/texture/diff", test_texture_diff);
g_test_add_func ("/texture/downloader", test_texture_downloader);
return g_test_run ();
}