static void
gezira_snowflake_render (gezira_snowflake_t *flake)
{
nile_Process_t *pipeline, *gate_, *COI;
Matrix_t M = Matrix ();
if (gezira_snowflake_offscreen (flake))
return;
M = Matrix_translate (M, WINDOW_WIDTH / 2, WINDOW_HEIGHT / 2);
M = Matrix_scale (M, zoom, zoom);
M = Matrix_translate (M, -WINDOW_WIDTH / 2, -WINDOW_HEIGHT / 2);
M = Matrix_translate (M, flake->x, flake->y);
M = Matrix_rotate (M, flake->angle);
M = Matrix_scale (M, flake->scale, flake->scale);
COI = gezira_CompositeUniformColorOverImage_ARGB32 (init,
FLAKE_ALPHA, FLAKE_RED, FLAKE_GREEN, FLAKE_BLUE,
window.pixels, window.width, window.height, window.width);
gate_ = nile_Identity (init, 8);
nile_Process_gate (COI, gate_);
pipeline = nile_Process_pipe (
gezira_TransformBeziers (init, M.a, M.b, M.c, M.d, M.e, M.f),
gezira_ClipBeziers (init, 0, 0, WINDOW_WIDTH, WINDOW_HEIGHT),
gezira_Rasterize (init),
gate,
COI,
NILE_NULL);
nile_Process_feed (pipeline, snowflake_path, snowflake_path_n);
gate = gate_;
}
// Matrix operand to add a 3D scale to the Module.
void Module_scale(Module *md, double sx, double sy, double sz) {
Matrix m;
Element *e;
Matrix_identity(&m);
Matrix_scale(&m, sx, sy, sz);
e = Element_init(ObjMatrix, &m);
Module_insert(md, e);
}
static void testScale() {
Matrix matrix;
matrix = Matrix_scaled(Matrix_identity(), 2.0f, -1.0f, 0.5f);
assertMatrixApproximate(matrix, 2.0f, 0.0f, 0.0f, 0.0f,
0.0f, -1.0f, 0.0f, 0.0f,
0.0f, 0.0f, 0.5f, 0.0f,
0.0f, 0.0f, 0.0f, 1.0f, EPSILON);
matrix = Matrix_scaled(Matrix_init(0.0f, 0.0f, -1.0f, 1.0f,
2.0f, 0.0f, 0.0f, 2.0f,
0.0f, 1.5f, 0.0f, 3.0f,
0.0f, 0.0f, 0.0f, 1.0f),
3.0f, 1.5f, -0.5f);
assertMatrixApproximate(matrix, 0.0f, 0.0f, 0.5f, 1.0f,
6.0f, 0.0f, 0.0f, 2.0f,
0.0f, 2.25f, 0.0f, 3.0f,
0.0f, 0.0f, 0.0f, 1.0f, EPSILON);
matrix = Matrix_identity();
Matrix_scale(&matrix, 2.0f, -1.0f, 0.5f);
assertMatrixApproximate(matrix, 2.0f, 0.0f, 0.0f, 0.0f,
0.0f, -1.0f, 0.0f, 0.0f,
0.0f, 0.0f, 0.5f, 0.0f,
0.0f, 0.0f, 0.0f, 1.0f, EPSILON);
matrix = Matrix_init(0.0f, 0.0f, -1.0f, 1.0f,
2.0f, 0.0f, 0.0f, 2.0f,
0.0f, 1.5f, 0.0f, 3.0f,
0.0f, 0.0f, 0.0f, 1.0f);
Matrix_scale(&matrix, 3.0f, 1.5f, -0.5f);
assertMatrixApproximate(matrix, 0.0f, 0.0f, 0.5f, 1.0f,
6.0f, 0.0f, 0.0f, 2.0f,
0.0f, 2.25f, 0.0f, 3.0f,
0.0f, 0.0f, 0.0f, 1.0f, EPSILON);
}
static void
gezira_snowflake_render (gezira_snowflake_t *flake,
gezira_Window_t *window, nile_Process_t *init)
{
nile_Process_t *pipeline;
Matrix_t M = Matrix ();
if (gezira_snowflake_offscreen (flake))
return;
M = Matrix_translate (M, WINDOW_WIDTH / 2, WINDOW_HEIGHT / 2);
M = Matrix_scale (M, zoom, zoom);
M = Matrix_translate (M, -WINDOW_WIDTH / 2, -WINDOW_HEIGHT / 2);
M = Matrix_translate (M, flake->x, flake->y);
M = Matrix_rotate (M, flake->angle);
M = Matrix_scale (M, flake->scale, flake->scale);
pipeline = nile_Process_pipe (
gezira_TransformBeziers (init, M.a, M.b, M.c, M.d, M.e, M.f),
gezira_ClipBeziers (init, 0, 0, WINDOW_WIDTH, WINDOW_HEIGHT),
gezira_Rasterize (init),
gezira_CompositeUniformColorOverImage_ARGB32 (init,
&window->image,
FLAKE_ALPHA, FLAKE_RED, FLAKE_GREEN, FLAKE_BLUE),
NILE_NULL);
nile_Process_feed (pipeline, snowflake_path, snowflake_path_n);
}
/* This routine is deprecated since praat-4.2.4 20040422 and will be removed in the future. */
void FFNet_drawWeightsToLayer (FFNet me, Graphics g, int layer, int scaling, int garnish) {
if (layer < 1 || layer > my nLayers) {
Melder_throw (U"Layer must be in [1,", my nLayers, U"].");
}
autoMatrix weights = FFNet_weightsToMatrix (me, layer, 0);
Matrix_scale (weights.peek(), scaling);
Matrix_drawAsSquares (weights.peek(), g, 0.0, 0.0, 0.0, 0.0, 0);
if (garnish) {
double x1WC, x2WC, y1WC, y2WC;
Graphics_inqWindow (g, & x1WC, & x2WC, & y1WC, & y2WC);
Graphics_textBottom (g, false, Melder_cat (U"Units in layer ", layer, U" ->"));
if (layer == 1) {
Graphics_textLeft (g, false, U"Input units ->");
} else {
Graphics_textLeft (g, false, Melder_cat (U"Units in layer ", layer - 1, U" ->"));
}
/* how do I find out the current settings ??? */
Graphics_setTextAlignment (g, Graphics_RIGHT, Graphics_HALF);
Graphics_setInner (g);
Graphics_text (g, 0.5, weights->ny, U"bias");
Graphics_unsetInner (g);
}
}
Matrix Matrix_scaled(Matrix matrix, float x, float y, float z) {
Matrix_scale(&matrix, x, y, z);
return matrix;
}
