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Bug 382688 - Export layers as pages to PDF file

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Add feature to export multiple layers to multiple pages.
Fixed the deprecated functions.
Fixed how transparent/invisible layers are handled.
This commit is contained in:
Lionel N
2017-06-13 20:45:09 +02:00
committed by Jehan
parent 1c25a2f0bf
commit d03de527a5
1 changed files with 63 additions and 37 deletions
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56
plug-ins/common/file-pdf-save.c
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@ -148,6 +148,7 @@ typedef enum
SA_VECTORIZE, SA_VECTORIZE,
SA_IGNORE_HIDDEN, SA_IGNORE_HIDDEN,
SA_APPLY_MASKS, SA_APPLY_MASKS,
SA_LAYERS_AS_PAGES,
SA_ARG_COUNT SA_ARG_COUNT
} SaveArgs; } SaveArgs;
@ -161,6 +162,7 @@ typedef enum
SMA_VECTORIZE, SMA_VECTORIZE,
SMA_IGNORE_HIDDEN, SMA_IGNORE_HIDDEN,
SMA_APPLY_MASKS, SMA_APPLY_MASKS,
SMA_LAYERS_AS_PAGES,
SMA_FILENAME, SMA_FILENAME,
SMA_RAWFILENAME, SMA_RAWFILENAME,
SMA_ARG_COUNT SMA_ARG_COUNT
@ -171,6 +173,7 @@ typedef struct
gboolean vectorize; gboolean vectorize;
gboolean ignore_hidden; gboolean ignore_hidden;
gboolean apply_masks; gboolean apply_masks;
gboolean layers_as_pages;
} PdfOptimize; } PdfOptimize;
typedef struct typedef struct
@ -258,16 +261,16 @@ static PdfMultiPage multi_page;
static PdfOptimize optimize = static PdfOptimize optimize =
{ {
TRUE, /* vectorize */ FALSE, /* vectorize */
TRUE, /* ignore_hidden */ TRUE, /* ignore_hidden */
TRUE /* apply_masks */ FALSE, /* apply_masks */
FALSE /* layers_as_pages */
}; };
static GtkTreeModel *model; static GtkTreeModel *model;
static GtkWidget *file_choose; static GtkWidget *file_choose;
static gchar *file_name; static gchar *file_name;
GimpPlugInInfo PLUG_IN_INFO = GimpPlugInInfo PLUG_IN_INFO =
{ {
NULL, NULL,
@ -292,7 +295,8 @@ query (void)
{ GIMP_PDB_STRING, "raw-filename", "The name of the file to save the image in" }, { GIMP_PDB_STRING, "raw-filename", "The name of the file to save the image in" },
{ GIMP_PDB_INT32, "vectorize", "Convert bitmaps to vector graphics where possible. TRUE or FALSE" }, { GIMP_PDB_INT32, "vectorize", "Convert bitmaps to vector graphics where possible. TRUE or FALSE" },
{ GIMP_PDB_INT32, "ignore-hidden", "Omit hidden layers and layers with zero opacity. TRUE or FALSE" }, { GIMP_PDB_INT32, "ignore-hidden", "Omit hidden layers and layers with zero opacity. TRUE or FALSE" },
{ GIMP_PDB_INT32, "apply-masks", "Apply layer masks before saving. TRUE or FALSE (Keeping them will not change the output)" } { GIMP_PDB_INT32, "apply-masks", "Apply layer masks before saving. TRUE or FALSE (Keeping them will not change the output)" },
{ GIMP_PDB_INT32, "layers_as_pages", "Layers as pages" }
}; };
static GimpParamDef save_multi_args[] = static GimpParamDef save_multi_args[] =
@ -303,6 +307,7 @@ query (void)
{ GIMP_PDB_INT32, "vectorize", "Convert bitmaps to vector graphics where possible. TRUE or FALSE" }, { GIMP_PDB_INT32, "vectorize", "Convert bitmaps to vector graphics where possible. TRUE or FALSE" },
{ GIMP_PDB_INT32, "ignore-hidden", "Omit hidden layers and layers with zero opacity. TRUE or FALSE" }, { GIMP_PDB_INT32, "ignore-hidden", "Omit hidden layers and layers with zero opacity. TRUE or FALSE" },
{ GIMP_PDB_INT32, "apply-masks", "Apply layer masks before saving. TRUE or FALSE (Keeping them will not change the output)" }, { GIMP_PDB_INT32, "apply-masks", "Apply layer masks before saving. TRUE or FALSE (Keeping them will not change the output)" },
{ GIMP_PDB_INT32, "layers_as_pages", "Layers as pages" },
{ GIMP_PDB_STRING, "filename", "The name of the file to save the image in" }, { GIMP_PDB_STRING, "filename", "The name of the file to save the image in" },
{ GIMP_PDB_STRING, "raw-filename", "The name of the file to save the image in" } { GIMP_PDB_STRING, "raw-filename", "The name of the file to save the image in" }
}; };
@ -551,9 +556,8 @@ run (const gchar *name,
opacity = gimp_layer_get_opacity (layer_ID) / 100.0; opacity = gimp_layer_get_opacity (layer_ID) / 100.0;
if (gimp_item_get_visible (layer_ID) && if ((gimp_item_get_visible (layer_ID) && opacity > 0.0) ||
(! optimize.ignore_hidden || ! optimize.ignore_hidden)
(optimize.ignore_hidden && opacity > 0.0)))
{ {
mask_ID = gimp_layer_get_mask (layer_ID); mask_ID = gimp_layer_get_mask (layer_ID);
if (mask_ID != -1) if (mask_ID != -1)
@ -642,17 +646,21 @@ run (const gchar *name,
else else
{ {
/* For text layers */ /* For text layers */
drawText (layer_ID, opacity, cr, x_res, y_res); drawText (layer_ID, opacity, cr, x_res, y_res);
} }
/* draw new page if "layers as pages" option is checked */
if (optimize.layers_as_pages)
cairo_show_page (cr);
} }
/* We are done with the layer - time to free some resources */ /* We are done with the layer - time to free some resources */
if (mask_ID != -1) if (mask_ID != -1)
cairo_surface_destroy (mask_image); cairo_surface_destroy (mask_image);
} }
/* We are done with this image - Show it! */ /* We are done with this image - Show it!
* Unless that's a multi-page to avoid blank page at the end
*/
if (! optimize.layers_as_pages)
cairo_show_page (cr); cairo_show_page (cr);
cairo_restore (cr); cairo_restore (cr);
@ -711,6 +719,7 @@ init_vals (const gchar *name,
optimize.apply_masks = param[SA_APPLY_MASKS].data.d_int32; optimize.apply_masks = param[SA_APPLY_MASKS].data.d_int32;
optimize.vectorize = param[SA_VECTORIZE].data.d_int32; optimize.vectorize = param[SA_VECTORIZE].data.d_int32;
optimize.ignore_hidden = param[SA_IGNORE_HIDDEN].data.d_int32; optimize.ignore_hidden = param[SA_IGNORE_HIDDEN].data.d_int32;
optimize.layers_as_pages = param[SA_LAYERS_AS_PAGES].data.d_int32;
} }
else else
defaults = TRUE; defaults = TRUE;
@ -728,6 +737,7 @@ init_vals (const gchar *name,
optimize.apply_masks = param[SMA_APPLY_MASKS].data.d_int32; optimize.apply_masks = param[SMA_APPLY_MASKS].data.d_int32;
optimize.vectorize = param[SMA_VECTORIZE].data.d_int32; optimize.vectorize = param[SMA_VECTORIZE].data.d_int32;
optimize.ignore_hidden = param[SMA_IGNORE_HIDDEN].data.d_int32; optimize.ignore_hidden = param[SMA_IGNORE_HIDDEN].data.d_int32;
optimize.layers_as_pages = param[SMA_LAYERS_AS_PAGES].data.d_int32;
} }
else else
return FALSE; return FALSE;
@ -839,6 +849,7 @@ gui_single (void)
GtkWidget *vectorize_c; GtkWidget *vectorize_c;
GtkWidget *ignore_hidden_c; GtkWidget *ignore_hidden_c;
GtkWidget *apply_c; GtkWidget *apply_c;
GtkWidget *layers_as_pages_c;
gboolean run; gboolean run;
gimp_ui_init (PLUG_IN_BINARY, FALSE); gimp_ui_init (PLUG_IN_BINARY, FALSE);
@ -867,6 +878,11 @@ gui_single (void)
gtk_box_pack_end (GTK_BOX (vbox), apply_c, TRUE, TRUE, 0); gtk_box_pack_end (GTK_BOX (vbox), apply_c, TRUE, TRUE, 0);
gimp_help_set_help_data (apply_c, _("Keeping the masks will not change the output"), NULL); gimp_help_set_help_data (apply_c, _("Keeping the masks will not change the output"), NULL);
layers_as_pages_c = gtk_check_button_new_with_label (_("Layers as pages"));
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (layers_as_pages_c),
optimize.layers_as_pages);
gtk_box_pack_end (GTK_BOX (vbox), layers_as_pages_c, TRUE, TRUE, 0);
gtk_widget_show_all (window); gtk_widget_show_all (window);
run = gtk_dialog_run (GTK_DIALOG (window)) == GTK_RESPONSE_OK; run = gtk_dialog_run (GTK_DIALOG (window)) == GTK_RESPONSE_OK;
@ -877,6 +893,8 @@ gui_single (void)
gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (vectorize_c)); gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (vectorize_c));
optimize.apply_masks = optimize.apply_masks =
gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (apply_c)); gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (apply_c));
optimize.layers_as_pages =
gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (layers_as_pages_c));
gtk_widget_destroy (window); gtk_widget_destroy (window);
@ -897,6 +915,7 @@ gui_multi (void)
GtkWidget *vectorize_c; GtkWidget *vectorize_c;
GtkWidget *ignore_hidden_c; GtkWidget *ignore_hidden_c;
GtkWidget *apply_c; GtkWidget *apply_c;
GtkWidget *layers_as_pages_c;
GtkWidget *scroll; GtkWidget *scroll;
GtkWidget *page_view; GtkWidget *page_view;
GtkWidget *h_but_box; GtkWidget *h_but_box;
@ -990,6 +1009,11 @@ gui_multi (void)
gtk_box_pack_end (GTK_BOX (vbox), apply_c, FALSE, FALSE, 0); gtk_box_pack_end (GTK_BOX (vbox), apply_c, FALSE, FALSE, 0);
gimp_help_set_help_data (apply_c, _("Keeping the masks will not change the output"), NULL); gimp_help_set_help_data (apply_c, _("Keeping the masks will not change the output"), NULL);
layers_as_pages_c = gtk_check_button_new_with_label (_("Layers as pages"));
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (layers_as_pages_c),
optimize.layers_as_pages);
gtk_box_pack_end (GTK_BOX (vbox), layers_as_pages_c, FALSE, FALSE, 0);
gtk_widget_show_all (window); gtk_widget_show_all (window);
g_signal_connect (G_OBJECT (file_browse), "clicked", g_signal_connect (G_OBJECT (file_browse), "clicked",
@ -1021,6 +1045,8 @@ gui_multi (void)
gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (vectorize_c)); gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (vectorize_c));
optimize.apply_masks = optimize.apply_masks =
gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (apply_c)); gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (apply_c));
optimize.layers_as_pages =
gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (layers_as_pages_c));
gtk_widget_destroy (window); gtk_widget_destroy (window);
@ -1344,13 +1370,13 @@ get_layer_color (gint32 layer_ID,
{ {
/* Are we in RGB mode? */ /* Are we in RGB mode? */
gimp_histogram (layer_ID, GIMP_HISTOGRAM_RED, 0, 255, gimp_drawable_histogram (layer_ID, GIMP_HISTOGRAM_RED, 0.0, 1.0,
&red, &dev, &median, &pixels, &count, &precentile); &red, &dev, &median, &pixels, &count, &precentile);
devSum += dev; devSum += dev;
gimp_histogram (layer_ID, GIMP_HISTOGRAM_GREEN, 0, 255, gimp_drawable_histogram (layer_ID, GIMP_HISTOGRAM_GREEN, 0.0, 1.0,
&green, &dev, &median, &pixels, &count, &precentile); &green, &dev, &median, &pixels, &count, &precentile);
devSum += dev; devSum += dev;
gimp_histogram (layer_ID, GIMP_HISTOGRAM_BLUE, 0, 255, gimp_drawable_histogram (layer_ID, GIMP_HISTOGRAM_BLUE, 0.0, 1.0,
&blue, &dev, &median, &pixels, &count, &precentile); &blue, &dev, &median, &pixels, &count, &precentile);
devSum += dev; devSum += dev;
} }
@ -1358,7 +1384,7 @@ get_layer_color (gint32 layer_ID,
{ {
/* We are in Grayscale mode (or Indexed) */ /* We are in Grayscale mode (or Indexed) */
gimp_histogram (layer_ID, GIMP_HISTOGRAM_VALUE, 0, 255, gimp_drawable_histogram (layer_ID, GIMP_HISTOGRAM_VALUE, 0.0, 1.0,
&red, &dev, &median, &pixels, &count, &precentile); &red, &dev, &median, &pixels, &count, &precentile);
devSum += dev; devSum += dev;
green = red; green = red;
@ -1366,7 +1392,7 @@ get_layer_color (gint32 layer_ID,
} }
if (gimp_drawable_has_alpha (layer_ID)) if (gimp_drawable_has_alpha (layer_ID))
gimp_histogram (layer_ID, GIMP_HISTOGRAM_ALPHA, 0, 255, gimp_drawable_histogram (layer_ID, GIMP_HISTOGRAM_ALPHA, 0.0, 1.0,
&alpha, &dev, &median, &pixels, &count, &precentile); &alpha, &dev, &median, &pixels, &count, &precentile);
else else
alpha = 255; alpha = 255;