static void
rotate_counterclockwise_90(GwyContainer *data, GwyRunType run)
{
GwyDataField *dfields[3], *newfield;
GQuark quarks[3];
gint i, id;
g_return_if_fail(run & BASICOPS_RUN_MODES);
gwy_app_data_browser_get_current(GWY_APP_DATA_FIELD, dfields + 0,
GWY_APP_MASK_FIELD, dfields + 1,
GWY_APP_SHOW_FIELD, dfields + 2,
GWY_APP_DATA_FIELD_KEY, quarks + 0,
GWY_APP_MASK_FIELD_KEY, quarks + 1,
GWY_APP_SHOW_FIELD_KEY, quarks + 2,
GWY_APP_DATA_FIELD_ID, &id,
0);
clean_quarks(G_N_ELEMENTS(quarks), quarks, dfields);
gwy_app_undo_qcheckpointv(data, G_N_ELEMENTS(quarks), quarks);
for (i = 0; i < G_N_ELEMENTS(dfields); i++) {
if (dfields[i]) {
newfield = gwy_data_field_new_alike(dfields[i], FALSE);
flip_xy(dfields[i], newfield, TRUE);
gwy_container_set_object(data, quarks[i], newfield);
g_object_unref(newfield);
}
}
gwy_app_data_clear_selections(data, id);
gwy_app_channel_log_add_proc(data, id, id);
}
variable flux_buffer_flip(opts o,interpreter *i)
{
variable v=init_variable();
int b=0;
int x=0;
int y=0;
if (i->cast_int(&b,o,0) && i->cast_int(&x,o,1) && i->cast_int(&y,o,2))
{
flip_xy(b,x,y);
}
return v;
}
void
APITests::testBasicOperations(int width, int height) {
const PixelFormat format = PF_R8G8B8A8;
const int bpp = 4;
auto_ptr<Image> image(CreateImage(width, height, format));
CPPUNIT_ASSERT(image->getWidth() == width);
CPPUNIT_ASSERT(image->getHeight() == height);
CPPUNIT_ASSERT(image->getFormat() == format);
// verify that the image is black
byte* pixels = (byte*)image->getPixels();
for (int i = 0; i < width * height * bpp; ++i) {
CPPUNIT_ASSERT(pixels[i] == 0);
}
// fill the image with random pixels
for (int i = 0; i < width * height * bpp; ++i) {
pixels[i] = rand() % 256;
}
auto_ptr<Image> create_clone(
CreateImage(image->getWidth(), image->getHeight(),
image->getFormat(), image->getPixels()));
CPPUNIT_ASSERT(create_clone.get() != 0);
CPPUNIT_ASSERT(image->getWidth() == create_clone->getWidth());
CPPUNIT_ASSERT(image->getHeight() == create_clone->getHeight());
CPPUNIT_ASSERT(image->getFormat() == create_clone->getFormat());
CPPUNIT_ASSERT(memcmp(image->getPixels(),
create_clone->getPixels(),
width * height * bpp) == 0);
// clone the image (use same pixel format)
auto_ptr<Image> identical_clone(CloneImage(image.get()));
CPPUNIT_ASSERT(image->getWidth() == identical_clone->getWidth());
CPPUNIT_ASSERT(image->getHeight() == identical_clone->getHeight());
CPPUNIT_ASSERT(image->getFormat() == identical_clone->getFormat());
CPPUNIT_ASSERT(memcmp(image->getPixels(),
identical_clone->getPixels(),
width * height * bpp) == 0);
// clone the image, removing the alpha channel
auto_ptr<Image> other_clone(CloneImage(identical_clone.get(), PF_R8G8B8));
CPPUNIT_ASSERT(image->getWidth() == other_clone->getWidth());
CPPUNIT_ASSERT(image->getHeight() == other_clone->getHeight());
CPPUNIT_ASSERT(other_clone->getFormat() == PF_R8G8B8);
byte* image_p = (byte*)image->getPixels();
byte* other_p = (byte*)other_clone->getPixels();
for (int i = 0; i < width * height; ++i) {
CPPUNIT_ASSERT(*image_p++ == *other_p++);
CPPUNIT_ASSERT(*image_p++ == *other_p++);
CPPUNIT_ASSERT(*image_p++ == *other_p++);
++image_p; // skip alpha
}
// flip the image
// clone source first, since flip frees the original
auto_ptr<Image> flip_none(FlipImage(CloneImage(image.get()), 0));
auto_ptr<Image> flip_x (FlipImage(CloneImage(image.get()), CA_X));
auto_ptr<Image> flip_y (FlipImage(CloneImage(image.get()), CA_Y));
auto_ptr<Image> flip_xy (FlipImage(CloneImage(image.get()), CA_X | CA_Y));
AssertImagesEqual("No flipping", flip_none.get(), image.get());
CPPUNIT_ASSERT(flip_x.get() != 0);
CPPUNIT_ASSERT(width == flip_x->getWidth());
CPPUNIT_ASSERT(height == flip_x->getHeight());
CPPUNIT_ASSERT(format == flip_x->getFormat());
CPPUNIT_ASSERT(flip_y.get() != 0);
CPPUNIT_ASSERT(width == flip_y->getWidth());
CPPUNIT_ASSERT(height == flip_y->getHeight());
CPPUNIT_ASSERT(format == flip_y->getFormat());
CPPUNIT_ASSERT(flip_xy.get() != 0);
CPPUNIT_ASSERT(width == flip_xy->getWidth());
CPPUNIT_ASSERT(height == flip_xy->getHeight());
CPPUNIT_ASSERT(format == flip_xy->getFormat());
const byte* flip_x_pixels = (const byte*)flip_x->getPixels();
const byte* flip_y_pixels = (const byte*)flip_y->getPixels();
const byte* flip_xy_pixels = (const byte*)flip_xy->getPixels();
for (int h = 0; h < height; h++) {
for (int w = 0; w < width; w++) {
const int image_index = (h * width + w) * bpp;
const int opp_w = width - 1 - w;
const int opp_h = height - 1 - h;
const int flip_x_index = (opp_h * width + w) * bpp;
const int flip_y_index = (h * width + opp_w) * bpp;
const int flip_xy_index = (opp_h * width + opp_w) * bpp;
for (int p = 0; p < bpp; p++) {
CPPUNIT_ASSERT(pixels[image_index] == flip_x_pixels [flip_x_index]);
CPPUNIT_ASSERT(pixels[image_index] == flip_y_pixels [flip_y_index]);
CPPUNIT_ASSERT(pixels[image_index] == flip_xy_pixels[flip_xy_index]);
}
}
}
}
