[project @ 2004-10-20 23:31:31 by jmb]

Reimplement draw groups

svn path=/import/netsurf/; revision=1332

desktop/plotters.h

@@ -38,6 +38,8 @@ struct plotter_table {
 	bool (*bitmap_tile)(int x, int y, int width, int height,
 			struct bitmap *bitmap, colour bg,
 			bool repeat_x, bool repeat_y);
+	bool (*group_start)(const char *name);
+	bool (*group_end)(void);
 };
 
 /** Current plotters, must be assigned before use. */

gtk/gtk_plotters.c

@@ -38,9 +38,12 @@ static bool nsgtk_plot_bitmap(int x, int y, int width, int height,
 static bool nsgtk_plot_bitmap_tile(int x, int y, int width, int height,
 		struct bitmap *bitmap, colour bg,
 		bool repeat_x, bool repeat_y);
+static bool nsgtk_plot_group_start(const char *name);
+static bool nsgtk_plot_group_end(void);
 static void nsgtk_set_colour(colour c);
 
 
+
 struct plotter_table plot;
 
 const struct plotter_table nsgtk_plotters = {
@@ -53,7 +56,9 @@ const struct plotter_table nsgtk_plotters = {
 	nsgtk_plot_text,
 	nsgtk_plot_disc,
 	nsgtk_plot_bitmap,
-	nsgtk_plot_bitmap_tile
+	nsgtk_plot_bitmap_tile,
+	nsgtk_plot_group_start,
+	nsgtk_plot_group_end
 };
 
 
@@ -194,6 +199,15 @@ bool nsgtk_plot_bitmap_tile(int x, int y, int width, int height,
 	return true;
 }
 
+bool nsgtk_plot_group_start(const char *name)
+{
+	return true;
+}
+
+bool nsgtk_plot_group_end(void)
+{
+	return true;
+}
 
 void nsgtk_set_colour(colour c)
 {

render/html_redraw.c

@@ -145,14 +145,19 @@ bool html_redraw_box(struct box *box,
 
 	/* if visibility is hidden render children only */
 	if (box->style && box->style->visibility == CSS_VISIBILITY_HIDDEN) {
+		if (!plot.group_start("hidden box"))
+			return false;
 		for (c = box->children; c; c = c->next)
 			if (!html_redraw_box(c, x_scrolled, y_scrolled,
 					x0, y0, x1, y1,
 					scale, current_background_color))
 				return false;
-		return true;
+		return plot.group_end();
 	}
 
+	if (!plot.group_start("vis box"))
+		return false;
+
 	/* dotted debug outlines */
 	if (html_redraw_debug) {
 		if (!plot.rectangle(x, y, padding_width, padding_height,
@@ -184,7 +189,7 @@ bool html_redraw_box(struct box *box,
 
 	/* return if the box is completely outside the clip rectangle */
 	if (clip_y1 < y0 || y1 < clip_y0 || clip_x1 < x0 || x1 < clip_x0)
-		return true;
+		return plot.group_end();
 
 	if (box->type == BOX_BLOCK || box->type == BOX_INLINE_BLOCK ||
 			box->type == BOX_TABLE_CELL || box->object) {
@@ -350,7 +355,7 @@ bool html_redraw_box(struct box *box,
 		if (!plot.clip(clip_x0, clip_y0, clip_x1, clip_y1))
 			return false;
 
-	return true;
+	return plot.group_end();
 }
 
 

riscos/plotters.c

@@ -37,6 +37,8 @@ static bool ro_plot_bitmap(int x, int y, int width, int height,
 static bool ro_plot_bitmap_tile(int x, int y, int width, int height,
 		struct bitmap *bitmap, colour bg,
 		bool repeat_x, bool repeat_y);
+static bool ro_plot_group_start(const char *name);
+static bool ro_plot_group_end(void);
 
 
 struct plotter_table plot;
@@ -51,7 +53,9 @@ const struct plotter_table ro_plotters = {
 	ro_plot_text,
 	ro_plot_disc,
 	ro_plot_bitmap,
-	ro_plot_bitmap_tile
+	ro_plot_bitmap_tile,
+	ro_plot_group_start,
+	ro_plot_group_end
 };
 
 int ro_plot_origin_x = 0;
@@ -376,6 +380,15 @@ bool ro_plot_bitmap_tile(int x, int y, int width, int height,
 			IMAGE_PLOT_TINCT_ALPHA);
 }
 
+bool ro_plot_group_start(const char *name)
+{
+	return true;
+}
+
+bool ro_plot_group_end(void)
+{
+	return true;
+}
 
 /**
  * Set the scale for subsequent text plotting.

riscos/save_draw.c

@@ -109,7 +109,9 @@ const struct plotter_table draw_plotters = {
 	draw_plot_text,
 	draw_plot_disc,
 	draw_plot_bitmap,
-	draw_plot_bitmap_tile
+	draw_plot_bitmap_tile,
+	drawbuf_group_begin,
+	drawbuf_group_end
 };
 
 static int draw_plot_origin_y = 0; /* plot origin, in browser units */