int
main (int argc, char **argv)
{
uint32_t dst[SIZE];
pixman_image_t *src_img;
pixman_image_t *dst_img;
int i, j, x, y;
int ret = 0;
for (i = 0; i < n_test_cases; ++i)
{
for (j = 0; j < 2; ++j)
{
src_img = pixman_image_create_bits (testcases[i].format,
testcases[i].width,
testcases[i].height,
testcases[i].src,
testcases[i].stride);
pixman_image_set_indexed(src_img, testcases[i].indexed);
dst_img = pixman_image_create_bits (PIXMAN_a8r8g8b8,
testcases[i].width,
testcases[i].height,
dst,
testcases[i].width*4);
if (j)
{
pixman_image_set_accessors (src_img, reader, writer);
pixman_image_set_accessors (dst_img, reader, writer);
}
pixman_image_composite (PIXMAN_OP_SRC, src_img, NULL, dst_img,
0, 0, 0, 0, 0, 0, testcases[i].width, testcases[i].height);
pixman_image_unref (src_img);
pixman_image_unref (dst_img);
for (y = 0; y < testcases[i].height; ++y)
{
for (x = 0; x < testcases[i].width; ++x)
{
int offset = y * testcases[i].width + x;
if (dst[offset] != testcases[i].dst[offset])
{
printf ("test %i%c: pixel mismatch at (x=%d,y=%d): %08x expected, %08x obtained\n",
i + 1, 'a' + j,
x, y,
testcases[i].dst[offset], dst[offset]);
ret = 1;
}
}
}
}
}
return ret;
}
static pixman_image_t *
create_bits_picture(PicturePtr pict, Bool has_clip, int *xoff, int *yoff)
{
PixmapPtr pixmap;
FbBits *bits;
FbStride stride;
int bpp;
pixman_image_t *image;
fbGetDrawablePixmap(pict->pDrawable, pixmap, *xoff, *yoff);
fbGetPixmapBitsData(pixmap, bits, stride, bpp);
image = pixman_image_create_bits((pixman_format_code_t) pict->format,
pixmap->drawable.width,
pixmap->drawable.height, (uint32_t *) bits,
stride * sizeof(FbStride));
if (!image)
return NULL;
#ifdef FB_ACCESS_WRAPPER
#if FB_SHIFT==5
pixman_image_set_accessors(image,
(pixman_read_memory_func_t) wfbReadMemory,
(pixman_write_memory_func_t) wfbWriteMemory);
#else
#error The pixman library only works when FbBits is 32 bits wide
#endif
#endif
/* pCompositeClip is undefined for source pictures, so
* only set the clip region for pictures with drawables
*/
if (has_clip) {
if (pict->clientClipType != CT_NONE)
pixman_image_set_has_client_clip(image, TRUE);
if (*xoff || *yoff)
pixman_region_translate(pict->pCompositeClip, *xoff, *yoff);
pixman_image_set_clip_region(image, pict->pCompositeClip);
if (*xoff || *yoff)
pixman_region_translate(pict->pCompositeClip, -*xoff, -*yoff);
}
/* Indexed table */
if (pict->pFormat->index.devPrivate)
pixman_image_set_indexed(image, pict->pFormat->index.devPrivate);
/* Add in drawable origin to position within the image */
*xoff += pict->pDrawable->x;
*yoff += pict->pDrawable->y;
return image;
}
int
main (int argc, char **argv)
{
#define d2f pixman_double_to_fixed
GtkWidget *window, *swindow;
GtkWidget *table;
uint32_t *dest = malloc (WIDTH * HEIGHT * 4);
uint32_t *src = malloc (WIDTH * HEIGHT * 4);
pixman_image_t *src_img;
pixman_image_t *dest_img;
pixman_point_fixed_t p1 = { -10 << 0, 0 };
pixman_point_fixed_t p2 = { WIDTH << 16, (HEIGHT - 10) << 16 };
uint16_t full = 0xcfff;
uint16_t low = 0x5000;
uint16_t alpha = 0xffff;
pixman_gradient_stop_t stops[6] =
{
{ d2f (0.0), { full, low, low, alpha } },
{ d2f (0.25), { full, full, low, alpha } },
{ d2f (0.4), { low, full, low, alpha } },
{ d2f (0.6), { low, full, full, alpha } },
{ d2f (0.8), { low, low, full, alpha } },
{ d2f (1.0), { full, low, full, alpha } },
};
int i;
gtk_init (&argc, &argv);
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_default_size (GTK_WINDOW (window), 800, 600);
g_signal_connect (window, "delete-event",
G_CALLBACK (gtk_main_quit),
NULL);
table = gtk_table_new (G_N_ELEMENTS (operators) / 6, 6, TRUE);
src_img = pixman_image_create_linear_gradient (&p1, &p2, stops,
G_N_ELEMENTS (stops));
pixman_image_set_repeat (src_img, PIXMAN_REPEAT_PAD);
dest_img = pixman_image_create_bits (PIXMAN_a8r8g8b8,
WIDTH, HEIGHT,
dest,
WIDTH * 4);
pixman_image_set_accessors (dest_img, reader, writer);
for (i = 0; i < G_N_ELEMENTS (operators); ++i)
{
GtkWidget *image;
GdkPixbuf *pixbuf;
GtkWidget *vbox;
GtkWidget *label;
int j, k;
vbox = gtk_vbox_new (FALSE, 0);
label = gtk_label_new (operators[i].name);
gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 6);
gtk_widget_show (label);
for (j = 0; j < HEIGHT; ++j)
{
for (k = 0; k < WIDTH; ++k)
dest[j * WIDTH + k] = 0x7f6f6f00;
}
pixman_image_composite (operators[i].op, src_img, NULL, dest_img,
0, 0, 0, 0, 0, 0, WIDTH, HEIGHT);
pixbuf = pixbuf_from_argb32 (pixman_image_get_data (dest_img), TRUE,
WIDTH, HEIGHT, WIDTH * 4);
image = gtk_image_new_from_pixbuf (pixbuf);
gtk_box_pack_start (GTK_BOX (vbox), image, FALSE, FALSE, 0);
gtk_widget_show (image);
gtk_table_attach_defaults (GTK_TABLE (table), vbox,
i % 6, (i % 6) + 1, i / 6, (i / 6) + 1);
gtk_widget_show (vbox);
g_object_unref (pixbuf);
}
pixman_image_unref (src_img);
free (src);
pixman_image_unref (dest_img);
free (dest);
swindow = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (swindow),
GTK_POLICY_AUTOMATIC,
GTK_POLICY_AUTOMATIC);
gtk_scrolled_window_add_with_viewport (GTK_SCROLLED_WINDOW (swindow), table);
gtk_widget_show (table);
gtk_container_add (GTK_CONTAINER (window), swindow);
gtk_widget_show (swindow);
gtk_widget_show (window);
gtk_main ();
return 0;
}
