lorid

commit afc140535cb1270958e031b53ed85ba48103f39c
parent 8b71175992609d9bd033c5229d577708b27c8b19
Author: nibo <nibo@relim.de>
Date:   Thu, 15 Aug 2024 03:05:02 +0200

out_pdf: Break page if text too long

Diffstat:
M
out_pdf.c
 | 
36
++++++++++++++++++++++++++++++------

1 file changed, 30 insertions(+), 6 deletions(-)
diff --git a/out_pdf.c b/out_pdf.c
@@ -583,7 +583,7 @@ static struct SpaceNeeded *needs_space(struct SpaceNeeded **spaces, int ly, int 
 	return NULL;
 }
 
-static void text_line_set_lineheight(struct TextLine *line, enum SongFragmentType ftype)
+static double text_line_set_lineheight(struct TextLine *line, enum SongFragmentType ftype)
 {
 	double biggest_font_size = 0.0;
 	int tli;
@@ -599,6 +599,7 @@ static void text_line_set_lineheight(struct TextLine *line, enum SongFragmentTyp
 	default:
 		line->height = 8.0 + biggest_font_size;
 	}
+	return line->height;
 }
 
 static struct Text **text_create(struct ChoSong **songs, struct Config *config)
@@ -606,6 +607,7 @@ static struct Text **text_create(struct ChoSong **songs, struct Config *config)
 	struct PrintableItem *printable_item;
 	int so, se, li, ly, ch;
 	double width;
+	double y = MEDIABOX_HEIGHT - VERTICAL_MARGIN;
 	bool add_space_to_next_chord = false;
 	struct ChoLine **lines;
 	struct ChoLineItemAbove **text_above;
@@ -637,7 +639,11 @@ static struct Text **text_create(struct ChoSong **songs, struct Config *config)
 				text[t]->lines[tl]->items[0]->x = PADDING + (LINE_LEN - width) / 2;
 				text[t]->lines[tl]->items[1] = NULL;
 				text[t]->lines[tl]->btype = BT_LINE;
-				text_line_set_lineheight(text[t]->lines[tl], SF_TEXT);
+				y -= text_line_set_lineheight(text[t]->lines[tl], SF_TEXT);
+				if (y < MARGIN_BOTTOM) {
+					y = MEDIABOX_HEIGHT - VERTICAL_MARGIN;
+					text[t]->lines[tl]->btype = BT_PAGE;
+				}
 				tl++;
 			}
 		}
@@ -662,7 +668,11 @@ static struct Text **text_create(struct ChoSong **songs, struct Config *config)
 				text[t]->lines[tl]->items[0]->x = PADDING + (LINE_LEN - width) / 2;
 				text[t]->lines[tl]->items[1] = NULL;
 				text[t]->lines[tl]->btype = BT_LINE;
-				text_line_set_lineheight(text[t]->lines[tl], SF_TEXT);
+				y -= text_line_set_lineheight(text[t]->lines[tl], SF_TEXT);
+				if (y < MARGIN_BOTTOM) {
+					y = MEDIABOX_HEIGHT - VERTICAL_MARGIN;
+					text[t]->lines[tl]->btype = BT_PAGE;
+				}
 				tl++;
 			}
 		}
@@ -683,7 +693,11 @@ static struct Text **text_create(struct ChoSong **songs, struct Config *config)
 				text[t]->lines[tl]->items[0]->x = PADDING;
 				text[t]->lines[tl]->items[1] = NULL;
 				text[t]->lines[tl]->btype = BT_LINE;
-				text_line_set_lineheight(text[t]->lines[tl], SF_TEXT);
+				y -= text_line_set_lineheight(text[t]->lines[tl], SF_TEXT);
+				if (y < MARGIN_BOTTOM) {
+					y = MEDIABOX_HEIGHT - VERTICAL_MARGIN;
+					text[t]->lines[tl]->btype = BT_PAGE;
+				}
 				tl++;
 			}
 			lines = songs[so]->sections[se]->lines;
@@ -760,7 +774,13 @@ static struct Text **text_create(struct ChoSong **songs, struct Config *config)
 					text[t]->lines[tl]->items = realloc(text[t]->lines[tl]->items, (tli+1) * sizeof(struct TextLineItem *));
 					text[t]->lines[tl]->items[tli] = NULL;
 					text[t]->lines[tl]->btype = lines[li]->btype;
-					text_line_set_lineheight(text[t]->lines[tl], SF_CHORD);
+					y -= text_line_set_lineheight(text[t]->lines[tl], SF_CHORD);
+					if (y < MARGIN_BOTTOM) {
+						// INFO: we don't split the chords and corresponding lyrics
+						y = MEDIABOX_HEIGHT - VERTICAL_MARGIN;
+						y -= text[t]->lines[tl]->height;
+						text[t]->lines[tl-1]->btype = BT_PAGE;
+					}
 					tli = 0;
 					tl++;
 				}
@@ -817,8 +837,12 @@ static struct Text **text_create(struct ChoSong **songs, struct Config *config)
 				}
 				text[t]->lines[tl]->items = realloc(text[t]->lines[tl]->items, (tli+1) * sizeof(struct TextLineItem *));
 				text[t]->lines[tl]->items[tli] = NULL;
-				text_line_set_lineheight(text[t]->lines[tl], SF_TEXT);
 				text[t]->lines[tl]->btype = lines[li]->btype;
+				y -= text_line_set_lineheight(text[t]->lines[tl], SF_TEXT);
+				if (y < MARGIN_BOTTOM) {
+					y = MEDIABOX_HEIGHT - VERTICAL_MARGIN;
+					text[t]->lines[tl]->btype = BT_PAGE;
+				}
 				tli = 0;
 				if (spaces) {
 					for (sn = 0; spaces[sn]; sn++) {