[Git][freetype/freetype][gsoc-anurag-2023] Render prelines

[Anurag Thakur (@AdbhutDev)]

Anurag Thakur pushed to branch gsoc-anurag-2023 at FreeType / FreeType

Commits:

• c41d05e8
  by Anurag Thakur at 2023-09-08T01:45:42+05:30

  Render prelines
  

2 changed files:

• src/base/ftobjs.c
• src/dense/ftdense.c

Changes:

src/base/ftobjs.c

---

...	...	@@ -2668,8 +2668,8 @@
2668	2668	(double)vec.x / 64, (double)vec.y / 64 ));
2669	2669	//error = func_interface->line_to( &vec, user );
2670	2670	FT_PreLine pl = malloc(sizeof(FT_PreLineRec));
2671		- pl->x1 = v_last.x/64;
2672		- pl->y1 = v_last.y/64;
	2671	+ pl->x1 = ptr->x2;
	2672	+ pl->y1 = ptr->y2;
2673	2673	pl->x2 = vec.x/64;
2674	2674	pl->y2 = vec.y/64;
2675	2675	pl->next = NULL;

src/dense/ftdense.c

---

...	...	@@ -85,9 +85,20 @@ dense_line_to( const FT_Vector* to, dense_worker* worker )
85	85	return 0;
86	86	}
87	87
	88	+static int
	89	+dense_line_to2( const FT_Vector* from, const FT_Vector* to, dense_worker* worker )
	90	+{
	91	+ dense_move_to( from, worker );
	92	+ dense_render_line( worker, UPSCALE( to->x ), UPSCALE( to->y ) );
	93	+ dense_move_to( to, worker );
	94	+ return 0;
	95	+}
	96	+
	97	+
88	98	void
89	99	dense_render_line( dense_worker* worker, FT_Pos tox, FT_Pos toy )
90	100	{
	101	+ printf("Line from %d, %d to %d, %d\n", worker->prev_x, worker->prev_y, tox, toy);
91	102
92	103	FT26D6 fx = worker->prev_x>>2;
93	104	FT26D6 fy = worker->prev_y>>2;
...	...	@@ -422,18 +433,24 @@ dense_render_glyph( dense_worker* worker, const FT_Bitmap* target, FT_PreLine pl
422	433	{
423	434	// FT_Error error = FT_Outline_Decompose( &( worker->outline ),
424	435	// &dense_decompose_funcs, worker );
425		- FT_Vector point = {100, 100};
426		- FT_Error error = dense_move_to(&point, worker);
	436	+ FT_Vector point1 = {100, 100};
	437	+ FT_Vector point2 = {100, 100};
	438	+
	439	+ FT_Error error = dense_move_to(&point1, worker);
427	440	while (pl!=NULL)
428	441	{
429		- point.x = pl->x2/64;
430		- point.y = pl->y2/64;
431		- dense_line_to(&point, worker);
	442	+ point1.x = pl->x1;
	443	+ point1.y = pl->y1;
	444	+ point2.x = pl->x2;
	445	+ point2.y = pl->y2;
	446	+
	447	+
	448	+ dense_line_to2(&point1, &point2, worker);
432	449	pl= pl->next;
433	450	}
434		- point.x = 100;
435		- point.y = 100;
436		- dense_move_to(&point, worker);
	451	+ // point.x = 100;
	452	+ // point.y = 100;
	453	+ // dense_move_to(&point, worker);
437	454
438	455	// Render into bitmap
439	456	const FT20D12* source = worker->m_a;
...	...	@@ -523,6 +540,9 @@ dense_raster_render( FT_Raster raster, const FT_Raster_Params* params )
523	540
524	541	worker->outline = *outline;
525	542
	543	+
	544	+
	545	+
526	546	if ( !target_map )
527	547	return FT_THROW( Invalid_Argument );
528	548

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