Collect together all code to do with appearance-stream creation

1 files changed, 0 insertions, 309 deletions

diff --git a/source/pdf/pdf-annot.c b/source/pdf/pdf-annot.c
index 4c76fce9..991478f6 100644
--- a/source/pdf/pdf-annot.c
+++ b/source/pdf/pdf-annot.c
@@ -1,6 +1,5 @@
 #include "mupdf/pdf.h"
 
-#define SMALL_FLOAT (0.00001)
 
 static pdf_obj *
 resolve_dest_rec(pdf_document *doc, pdf_obj *dest, int depth)
@@ -841,63 +840,6 @@ pdf_delete_annot(pdf_document *doc, pdf_page *page, pdf_annot *annot)
 	doc->dirty = 1;
 }
 
-static fz_colorspace *pdf_to_color(pdf_document *doc, pdf_obj *col, float color[4])
-{
-	fz_colorspace *cs;
-	int i, ncol = pdf_array_len(col);
-
-	switch (ncol)
-	{
-	case 1: cs = fz_device_gray(doc->ctx); break;
-	case 3: cs = fz_device_rgb(doc->ctx); break;
-	case 4: cs = fz_device_cmyk(doc->ctx); break;
-	default: return NULL;
-	}
-
-	for (i = 0; i < ncol; i++)
-		color[i] = pdf_to_real(pdf_array_get(col, i));
-
-	return cs;
-}
-
-static fz_point *
-quadpoints(pdf_document *doc, pdf_obj *annot, int *nout)
-{
-	fz_context *ctx = doc->ctx;
-	pdf_obj *quad = pdf_dict_gets(annot, "QuadPoints");
-	fz_point *qp = NULL;
-	int i, n;
-
-	if (!quad)
-		return NULL;
-
-	n = pdf_array_len(quad);
-
-	if (n%8 != 0)
-		return NULL;
-
-	fz_var(qp);
-	fz_try(ctx)
-	{
-		qp = fz_malloc_array(ctx, n/2, sizeof(fz_point));
-
-		for (i = 0; i < n; i += 2)
-		{
-			qp[i/2].x = pdf_to_real(pdf_array_get(quad, i));
-			qp[i/2].y = pdf_to_real(pdf_array_get(quad, i+1));
-		}
-	}
-	fz_catch(ctx)
-	{
-		fz_free(ctx, qp);
-		fz_rethrow(ctx);
-	}
-
-	*nout = n/2;
-
-	return qp;
-}
-
 void
 pdf_set_markup_annot_quadpoints(pdf_document *doc, pdf_annot *annot, fz_point *qp, int n)
 {
@@ -985,254 +927,3 @@ pdf_set_ink_annot_list(pdf_document *doc, pdf_annot *annot, fz_point *pts, int *
 	for (i = 0; i < 3; i++)
 		pdf_array_push_drop(col, pdf_new_real(doc, color[i]));
 }
-
-void
-pdf_set_annot_appearance(pdf_document *doc, pdf_annot *annot, fz_rect *rect, fz_display_list *disp_list)
-{
-	fz_context *ctx = doc->ctx;
-	pdf_obj *obj = annot->obj;
-	const fz_matrix *page_ctm = &annot->page->ctm;
-	fz_matrix ctm;
-	fz_matrix mat = fz_identity;
-	fz_device *dev = NULL;
-	pdf_xobject *xobj = NULL;
-
-	fz_invert_matrix(&ctm, page_ctm);
-
-	fz_var(dev);
-	fz_try(ctx)
-	{
-		pdf_obj *ap_obj;
-		fz_rect trect = *rect;
-
-		fz_transform_rect(&trect, &ctm);
-
-		pdf_dict_puts_drop(obj, "Rect", pdf_new_rect(doc, &trect));
-
-		/* See if there is a current normal appearance */
-		ap_obj = pdf_dict_getp(obj, "AP/N");
-		if (!pdf_is_stream(doc, pdf_to_num(ap_obj), pdf_to_gen(ap_obj)))
-			ap_obj = NULL;
-
-		if (ap_obj == NULL)
-		{
-			ap_obj = pdf_new_xobject(doc, &trect, &mat);
-			pdf_dict_putp_drop(obj, "AP/N", ap_obj);
-		}
-		else
-		{
-			pdf_xref_ensure_incremental_object(doc, pdf_to_num(ap_obj));
-			pdf_dict_puts_drop(ap_obj, "Rect", pdf_new_rect(doc, &trect));
-			pdf_dict_puts_drop(ap_obj, "Matrix", pdf_new_matrix(doc, &mat));
-		}
-
-		dev = pdf_new_pdf_device(doc, ap_obj, pdf_dict_gets(ap_obj, "Resources"), &mat);
-		fz_run_display_list(disp_list, dev, &ctm, &fz_infinite_rect, NULL);
-		fz_free_device(dev);
-
-		/* Mark the appearance as changed - required for partial update */
-		xobj = pdf_load_xobject(doc, ap_obj);
-		if (xobj)
-		{
-			xobj->iteration++;
-			pdf_drop_xobject(ctx, xobj);
-		}
-
-		doc->dirty = 1;
-
-		update_rect(ctx, annot);
-	}
-	fz_catch(ctx)
-	{
-		fz_free_device(dev);
-		fz_rethrow(ctx);
-	}
-}
-
-void
-pdf_set_markup_appearance(pdf_document *doc, pdf_annot *annot, float color[3], float alpha, float line_thickness, float line_height)
-{
-	fz_context *ctx = doc->ctx;
-	const fz_matrix *page_ctm = &annot->page->ctm;
-	fz_path *path = NULL;
-	fz_stroke_state *stroke = NULL;
-	fz_device *dev = NULL;
-	fz_display_list *strike_list = NULL;
-	int i, n;
-	fz_point *qp = quadpoints(doc, annot->obj, &n);
-
-	if (!qp || n <= 0)
-		return;
-
-	fz_var(path);
-	fz_var(stroke);
-	fz_var(dev);
-	fz_var(strike_list);
-	fz_try(ctx)
-	{
-		fz_rect rect = fz_empty_rect;
-
-		rect.x0 = rect.x1 = qp[0].x;
-		rect.y0 = rect.y1 = qp[0].y;
-		for (i = 0; i < n; i++)
-			fz_include_point_in_rect(&rect, &qp[i]);
-
-		strike_list = fz_new_display_list(ctx);
-		dev = fz_new_list_device(ctx, strike_list);
-
-		for (i = 0; i < n; i += 4)
-		{
-			fz_point pt0 = qp[i];
-			fz_point pt1 = qp[i+1];
-			fz_point up;
-			float thickness;
-
-			up.x = qp[i+2].x - qp[i+1].x;
-			up.y = qp[i+2].y - qp[i+1].y;
-
-			pt0.x += line_height * up.x;
-			pt0.y += line_height * up.y;
-			pt1.x += line_height * up.x;
-			pt1.y += line_height * up.y;
-
-			thickness = sqrtf(up.x * up.x + up.y * up.y) * line_thickness;
-
-			if (!stroke || fz_abs(stroke->linewidth - thickness) < SMALL_FLOAT)
-			{
-				if (stroke)
-				{
-					// assert(path)
-					fz_stroke_path(dev, path, stroke, page_ctm, fz_device_rgb(ctx), color, alpha);
-					fz_drop_stroke_state(ctx, stroke);
-					stroke = NULL;
-					fz_free_path(ctx, path);
-					path = NULL;
-				}
-
-				stroke = fz_new_stroke_state(ctx);
-				stroke->linewidth = thickness;
-				path = fz_new_path(ctx);
-			}
-
-			fz_moveto(ctx, path, pt0.x, pt0.y);
-			fz_lineto(ctx, path, pt1.x, pt1.y);
-		}
-
-		if (stroke)
-		{
-			fz_stroke_path(dev, path, stroke, page_ctm, fz_device_rgb(ctx), color, alpha);
-		}
-
-		fz_transform_rect(&rect, page_ctm);
-		pdf_set_annot_appearance(doc, annot, &rect, strike_list);
-	}
-	fz_always(ctx)
-	{
-		fz_free(ctx, qp);
-		fz_free_device(dev);
-		fz_drop_stroke_state(ctx, stroke);
-		fz_free_path(ctx, path);
-		fz_drop_display_list(ctx, strike_list);
-	}
-	fz_catch(ctx)
-	{
-		fz_rethrow(ctx);
-	}
-}
-
-void
-pdf_set_ink_appearance(pdf_document *doc, pdf_annot *annot)
-{
-	fz_context *ctx = doc->ctx;
-	const fz_matrix *page_ctm = &annot->page->ctm;
-	fz_path *path = NULL;
-	fz_stroke_state *stroke = NULL;
-	fz_device *dev = NULL;
-	fz_display_list *strike_list = NULL;
-
-	fz_var(path);
-	fz_var(stroke);
-	fz_var(dev);
-	fz_var(strike_list);
-	fz_try(ctx)
-	{
-		fz_rect rect = fz_empty_rect;
-		fz_colorspace *cs;
-		float color[4];
-		float width;
-		pdf_obj *list;
-		int n, m, i, j;
-
-		cs = pdf_to_color(doc, pdf_dict_gets(annot->obj, "C"), color);
-		if (!cs)
-		{
-			cs = fz_device_rgb(ctx);
-			color[0] = 1.0f;
-			color[1] = 0.0f;
-			color[2] = 0.0f;
-		}
-
-		width = pdf_to_real(pdf_dict_gets(pdf_dict_gets(annot->obj, "BS"), "W"));
-		if (width == 0.0f)
-			width = 1.0f;
-
-		list = pdf_dict_gets(annot->obj, "InkList");
-
-		n = pdf_array_len(list);
-
-		strike_list = fz_new_display_list(ctx);
-		dev = fz_new_list_device(ctx, strike_list);
-		path = fz_new_path(ctx);
-		stroke = fz_new_stroke_state(ctx);
-		stroke->linewidth = width;
-
-		for (i = 0; i < n; i ++)
-		{
-			fz_point pt_last;
-			pdf_obj *arc = pdf_array_get(list, i);
-			m = pdf_array_len(arc);
-
-			for (j = 0; j < m-1; j += 2)
-			{
-				fz_point pt;
-				pt.x = pdf_to_real(pdf_array_get(arc, j));
-				pt.y = pdf_to_real(pdf_array_get(arc, j+1));
-
-				if (i == 0 && j == 0)
-				{
-					rect.x0 = rect.x1 = pt.x;
-					rect.y0 = rect.y1 = pt.y;
-				}
-				else
-				{
-					fz_include_point_in_rect(&rect, &pt);
-				}
-
-				if (j == 0)
-					fz_moveto(ctx, path, pt.x, pt.y);
-				else
-					fz_curvetov(ctx, path, pt_last.x, pt_last.y, (pt.x + pt_last.x) / 2, (pt.y + pt_last.y) / 2);
-				pt_last = pt;
-			}
-			fz_lineto(ctx, path, pt_last.x, pt_last.y);
-		}
-
-		fz_stroke_path(dev, path, stroke, page_ctm, cs, color, 1.0f);
-
-		fz_expand_rect(&rect, width);
-
-		fz_transform_rect(&rect, page_ctm);
-		pdf_set_annot_appearance(doc, annot, &rect, strike_list);
-	}
-	fz_always(ctx)
-	{
-		fz_free_device(dev);
-		fz_drop_stroke_state(ctx, stroke);
-		fz_free_path(ctx, path);
-		fz_drop_display_list(ctx, strike_list);
-	}
-	fz_catch(ctx)
-	{
-		fz_rethrow(ctx);
-	}
-}