summaryrefslogtreecommitdiff
path: root/gtk/gtk_print.c
diff options
context:
space:
mode:
Diffstat (limited to 'gtk/gtk_print.c')
-rw-r--r--gtk/gtk_print.c525
1 files changed, 255 insertions, 270 deletions
diff --git a/gtk/gtk_print.c b/gtk/gtk_print.c
index 0685d2f9e..dfd5a85c3 100644
--- a/gtk/gtk_print.c
+++ b/gtk/gtk_print.c
@@ -45,121 +45,210 @@
#include "utils/log.h"
#include "utils/utils.h"
-static bool nsgtk_print_plot_rectangle(int x0, int y0, int x1, int y1, const plot_style_t *style);
-bool nsgtk_print_plot_line(int x0, int y0, int x1, int y1, const plot_style_t *style);
-static bool nsgtk_print_plot_polygon(const int *p, unsigned int n, colour fill);
-static bool nsgtk_print_plot_path(const float *p, unsigned int n, colour fill,
- float width, colour c, const float transform[6]);
-static bool nsgtk_print_plot_clip(int clip_x0, int clip_y0,
- int clip_x1, int clip_y1);
-static bool nsgtk_print_plot_text(int x, int y, const struct css_style *style,
- const char *text, size_t length, colour bg, colour c);
-static bool nsgtk_print_plot_disc(int x, int y, int radius, colour c,
- bool filled);
-static bool nsgtk_print_plot_arc(int x, int y, int radius, int angle1,
- int angle2, colour c);
-static bool nsgtk_print_plot_bitmap(int x, int y, int width, int height,
- struct bitmap *bitmap, colour bg,
- bitmap_flags_t flags);
-
-static void nsgtk_print_set_solid(void); /**< Set for drawing solid lines */
-static void nsgtk_print_set_dotted(void); /**< Set for drawing dotted lines */
-static void nsgtk_print_set_dashed(void); /**< Set for drawing dashed lines */
+/* Globals */
+cairo_t *gtk_print_current_cr;
+static struct print_settings* settings;
+struct content *content_to_print;
+static GdkRectangle cliprect;
+
+static inline void nsgtk_print_set_colour(colour c)
+{
+ int r, g, b;
+ GdkColor colour;
+
+ r = c & 0xff;
+ g = (c & 0xff00) >> 8;
+ b = (c & 0xff0000) >> 16;
+
+ colour.red = r | (r << 8);
+ colour.green = g | (g << 8);
+ colour.blue = b | (b << 8);
+ colour.pixel = (r << 16) | (g << 8) | b;
+
+ gdk_color_alloc(gdk_colormap_get_system(), &colour);
+
+ cairo_set_source_rgba(gtk_print_current_cr, r / 255.0,
+ g / 255.0, b / 255.0, 1.0);
+}
+
+static bool nsgtk_print_plot_pixbuf(int x, int y, int width, int height,
+ GdkPixbuf *pixbuf, colour bg)
+{
+ /* XXX: This currently ignores the background colour supplied.
+ * Does this matter?
+ */
+
+ if (width == 0 || height == 0)
+ return true;
+
+ if (gdk_pixbuf_get_width(pixbuf) == width &&
+ gdk_pixbuf_get_height(pixbuf) == height) {
+ gdk_cairo_set_source_pixbuf(gtk_print_current_cr, pixbuf, x, y);
+ cairo_paint(gtk_print_current_cr);
+ } else {
+ GdkPixbuf *scaled;
+ scaled = gdk_pixbuf_scale_simple(pixbuf,
+ width, height,
+ /* plotting for the printer doesn't have
+ * to be fast so we can use always the
+ * interp_style that gives better quality
+ */
+ GDK_INTERP_BILINEAR);
+ if (!scaled)
+ return false;
+
+ gdk_cairo_set_source_pixbuf(gtk_print_current_cr, scaled, x, y);
+ cairo_paint(gtk_print_current_cr);
+ g_object_unref(scaled);
+ }
+
+ return true;
+}
-static void nsgtk_print_set_colour(colour c);
static bool gtk_print_font_paint(const struct css_style *style,
const char *string, size_t length,
- int x, int y, colour c);
+ int x, int y, colour c)
+{
+ PangoFontDescription *desc;
+ PangoLayout *layout;
+ gint size;
+ PangoLayoutLine *line;
+ if (length == 0)
+ return true;
-static bool gtk_print_begin(struct print_settings* settings);
-static bool gtk_print_next_page(void);
-static void gtk_print_end(void);
+ desc = nsfont_style_to_description(style);
+ size = (gint) ((double) pango_font_description_get_size(desc) *
+ settings->scale);
-/* Globals */
-cairo_t *gtk_print_current_cr;
-static struct print_settings* settings;
-struct content *content_to_print;
-static GdkRectangle cliprect;
+ if (pango_font_description_get_size_is_absolute(desc))
+ pango_font_description_set_absolute_size(desc, size);
+ else
+ pango_font_description_set_size(desc, size);
-static const struct plotter_table nsgtk_print_plotters = {
- .rectangle = nsgtk_print_plot_rectangle,
- .line = nsgtk_print_plot_line,
- .polygon = nsgtk_print_plot_polygon,
- .clip = nsgtk_print_plot_clip,
- .text = nsgtk_print_plot_text,
- .disc = nsgtk_print_plot_disc,
- .arc = nsgtk_print_plot_arc,
- .bitmap = nsgtk_print_plot_bitmap,
- .path = nsgtk_print_plot_path,
- .option_knockout = false,
-};
+ layout = pango_cairo_create_layout(gtk_print_current_cr);
-static const struct printer gtk_printer = {
- &nsgtk_print_plotters,
- gtk_print_begin,
- gtk_print_next_page,
- gtk_print_end
-};
+ pango_layout_set_font_description(layout, desc);
+ pango_layout_set_text(layout, string, length);
+
+ line = pango_layout_get_line(layout, 0);
+
+ cairo_move_to(gtk_print_current_cr, x, y);
+ nsgtk_print_set_colour(c);
+ pango_cairo_show_layout_line(gtk_print_current_cr, line);
+
+ g_object_unref(layout);
+ pango_font_description_free(desc);
-bool nsgtk_print_plot_rectangle(int x0, int y0, int x1, int y1, const plot_style_t *style)
+ return true;
+}
+
+
+/** Set cairo context to solid plot operation. */
+static inline void nsgtk_print_set_solid(void)
{
- LOG(("x0: %i ;\t y0: %i ;\t x1: %i ;\t y1: %i", x0,y0,x1,y1));
+ double dashes = 0;
+ cairo_set_dash(gtk_print_current_cr, &dashes, 0, 0);
+}
- if (style->fill_type != PLOT_OP_TYPE_NONE) {
+/** Set cairo context to dotted plot operation. */
+static inline void nsgtk_print_set_dotted(void)
+{
+ double cdashes[] = { 1.0, 2.0 };
+ cairo_set_dash(gtk_print_current_cr, cdashes, 1, 0);
+}
- nsgtk_print_set_colour(style->fill_colour);
- nsgtk_print_set_solid();
+/** Set cairo context to dashed plot operation. */
+static inline void nsgtk_print_set_dashed(void)
+{
+ double cdashes[] = { 8.0, 2.0 };
+ cairo_set_dash(gtk_print_current_cr, cdashes, 1, 0);
+}
+
+/** Set clipping area for subsequent plot operations. */
+static bool nsgtk_print_plot_clip(int clip_x0, int clip_y0, int clip_x1, int clip_y1)
+{
+ LOG(("Clipping. x0: %i ;\t y0: %i ;\t x1: %i ;\t y1: %i",
+ clip_x0,clip_y0,clip_x1,clip_y1));
- /* Normalize boundaries of the area - to prevent overflows.
- * See comment in pdf_plot_fill. */
- x0 = min(max(x0, 0), settings->page_width);
- y0 = min(max(y0, 0), settings->page_height);
- x1 = min(max(x1, 0), settings->page_width);
- y1 = min(max(y1, 0), settings->page_height);
+ /* Normalize cllipping area - to prevent overflows.
+ * See comment in pdf_plot_fill. */
+ clip_x0 = min(max(clip_x0, 0), settings->page_width);
+ clip_y0 = min(max(clip_y0, 0), settings->page_height);
+ clip_x1 = min(max(clip_x1, 0), settings->page_width);
+ clip_y1 = min(max(clip_y1, 0), settings->page_height);
+
+ cairo_reset_clip(gtk_print_current_cr);
+ cairo_rectangle(gtk_print_current_cr, clip_x0, clip_y0,
+ clip_x1 - clip_x0, clip_y1 - clip_y0);
+ cairo_clip(gtk_print_current_cr);
+
+ cliprect.x = clip_x0;
+ cliprect.y = clip_y0;
+ cliprect.width = clip_x1 - clip_x0;
+ cliprect.height = clip_y1 - clip_y0;
+
+ return true;
+}
+
+static bool nsgtk_print_plot_arc(int x, int y, int radius, int angle1, int angle2, const plot_style_t *style)
+{
+ nsgtk_print_set_colour(style->fill_colour);
+ nsgtk_print_set_solid();
+
+ cairo_set_line_width(gtk_print_current_cr, 1);
+ cairo_arc(gtk_print_current_cr, x, y, radius,
+ (angle1 + 90) * (M_PI / 180),
+ (angle2 + 90) * (M_PI / 180));
+ cairo_stroke(gtk_print_current_cr);
+ return true;
+}
+
+static bool nsgtk_print_plot_disc(int x, int y, int radius, const plot_style_t *style)
+{
+ if (style->fill_type != PLOT_OP_TYPE_NONE) {
+ nsgtk_print_set_colour(style->fill_colour);
+ nsgtk_print_set_solid();
cairo_set_line_width(gtk_print_current_cr, 0);
- cairo_rectangle(gtk_print_current_cr, x0, y0, x1 - x0, y1 - y0);
+ cairo_arc(gtk_print_current_cr, x, y, radius, 0, M_PI * 2);
cairo_fill(gtk_print_current_cr);
cairo_stroke(gtk_print_current_cr);
}
- if (style->stroke_type != PLOT_OP_TYPE_NONE) {
- nsgtk_print_set_colour(style->stroke_colour);
+ if (style->stroke_type != PLOT_OP_TYPE_NONE) {
+ nsgtk_print_set_colour(style->stroke_colour);
- switch (style->stroke_type) {
- case PLOT_OP_TYPE_SOLID: /**< Solid colour */
- default:
- nsgtk_print_set_solid();
- break;
+ switch (style->stroke_type) {
+ case PLOT_OP_TYPE_SOLID: /**< Solid colour */
+ default:
+ nsgtk_print_set_solid();
+ break;
- case PLOT_OP_TYPE_DOT: /**< Doted plot */
- nsgtk_print_set_dotted();
- break;
+ case PLOT_OP_TYPE_DOT: /**< Doted plot */
+ nsgtk_print_set_dotted();
+ break;
- case PLOT_OP_TYPE_DASH: /**< dashed plot */
- nsgtk_print_set_dashed();
- break;
- }
+ case PLOT_OP_TYPE_DASH: /**< dashed plot */
+ nsgtk_print_set_dashed();
+ break;
+ }
- if (style->stroke_width == 0)
- cairo_set_line_width(gtk_print_current_cr, 1);
- else
- cairo_set_line_width(gtk_print_current_cr, style->stroke_width);
+ if (style->stroke_width == 0)
+ cairo_set_line_width(gtk_print_current_cr, 1);
+ else
+ cairo_set_line_width(gtk_print_current_cr, style->stroke_width);
+
+ cairo_arc(gtk_print_current_cr, x, y, radius, 0, M_PI * 2);
- cairo_rectangle(gtk_print_current_cr, x0, y0, x1 - x0, y1 - y0);
cairo_stroke(gtk_print_current_cr);
}
-
return true;
}
-
-
-
-bool nsgtk_print_plot_line(int x0, int y0, int x1, int y1, const plot_style_t *style)
+static bool nsgtk_print_plot_line(int x0, int y0, int x1, int y1, const plot_style_t *style)
{
nsgtk_print_set_colour(style->stroke_colour);
@@ -190,141 +279,95 @@ bool nsgtk_print_plot_line(int x0, int y0, int x1, int y1, const plot_style_t *s
return true;
}
-
-bool nsgtk_print_plot_polygon(const int *p, unsigned int n, colour fill)
+static bool nsgtk_print_plot_rectangle(int x0, int y0, int x1, int y1, const plot_style_t *style)
{
- unsigned int i;
+ LOG(("x0: %i ;\t y0: %i ;\t x1: %i ;\t y1: %i", x0,y0,x1,y1));
- LOG(("Plotting polygon."));
+ if (style->fill_type != PLOT_OP_TYPE_NONE) {
- nsgtk_print_set_colour(fill);
- nsgtk_print_set_solid();
+ nsgtk_print_set_colour(style->fill_colour);
+ nsgtk_print_set_solid();
- cairo_set_line_width(gtk_print_current_cr, 0);
- cairo_move_to(gtk_print_current_cr, p[0], p[1]);
-
- LOG(("Starting line at: %i\t%i",p[0],p[1]));
+ /* Normalize boundaries of the area - to prevent overflows.
+ * See comment in pdf_plot_fill. */
+ x0 = min(max(x0, 0), settings->page_width);
+ y0 = min(max(y0, 0), settings->page_height);
+ x1 = min(max(x1, 0), settings->page_width);
+ y1 = min(max(y1, 0), settings->page_height);
- for (i = 1; i != n; i++) {
- cairo_line_to(gtk_print_current_cr, p[i * 2], p[i * 2 + 1]);
- LOG(("Drawing line to: %i\t%i",p[i * 2], p[i * 2 + 1]));
+ cairo_set_line_width(gtk_print_current_cr, 0);
+ cairo_rectangle(gtk_print_current_cr, x0, y0, x1 - x0, y1 - y0);
+ cairo_fill(gtk_print_current_cr);
+ cairo_stroke(gtk_print_current_cr);
}
- cairo_fill(gtk_print_current_cr);
- cairo_stroke(gtk_print_current_cr);
-
- return true;
-}
+ if (style->stroke_type != PLOT_OP_TYPE_NONE) {
+ nsgtk_print_set_colour(style->stroke_colour);
+ switch (style->stroke_type) {
+ case PLOT_OP_TYPE_SOLID: /**< Solid colour */
+ default:
+ nsgtk_print_set_solid();
+ break;
+ case PLOT_OP_TYPE_DOT: /**< Doted plot */
+ nsgtk_print_set_dotted();
+ break;
+ case PLOT_OP_TYPE_DASH: /**< dashed plot */
+ nsgtk_print_set_dashed();
+ break;
+ }
-bool nsgtk_print_plot_clip(int clip_x0, int clip_y0,
- int clip_x1, int clip_y1)
-{
- LOG(("Clipping. x0: %i ;\t y0: %i ;\t x1: %i ;\t y1: %i",
- clip_x0,clip_y0,clip_x1,clip_y1));
-
- /* Normalize cllipping area - to prevent overflows.
- * See comment in pdf_plot_fill. */
- clip_x0 = min(max(clip_x0, 0), settings->page_width);
- clip_y0 = min(max(clip_y0, 0), settings->page_height);
- clip_x1 = min(max(clip_x1, 0), settings->page_width);
- clip_y1 = min(max(clip_y1, 0), settings->page_height);
-
- cairo_reset_clip(gtk_print_current_cr);
- cairo_rectangle(gtk_print_current_cr, clip_x0, clip_y0,
- clip_x1 - clip_x0, clip_y1 - clip_y0);
- cairo_clip(gtk_print_current_cr);
+ if (style->stroke_width == 0)
+ cairo_set_line_width(gtk_print_current_cr, 1);
+ else
+ cairo_set_line_width(gtk_print_current_cr, style->stroke_width);
- cliprect.x = clip_x0;
- cliprect.y = clip_y0;
- cliprect.width = clip_x1 - clip_x0;
- cliprect.height = clip_y1 - clip_y0;
+ cairo_rectangle(gtk_print_current_cr, x0, y0, x1 - x0, y1 - y0);
+ cairo_stroke(gtk_print_current_cr);
+ }
- return true;
+ return true;
}
-
-bool nsgtk_print_plot_text(int x, int y, const struct css_style *style,
- const char *text, size_t length, colour bg, colour c)
+static bool nsgtk_print_plot_polygon(const int *p, unsigned int n, const plot_style_t *style)
{
- return gtk_print_font_paint(style, text, length, x, y, c);
-}
+ unsigned int i;
+ LOG(("Plotting polygon."));
-bool nsgtk_print_plot_disc(int x, int y, int radius, colour c, bool filled)
-{
- nsgtk_print_set_colour(c);
+ nsgtk_print_set_colour(style->fill_colour);
nsgtk_print_set_solid();
+
+ cairo_set_line_width(gtk_print_current_cr, 0);
+ cairo_move_to(gtk_print_current_cr, p[0], p[1]);
- if (filled)
- cairo_set_line_width(gtk_print_current_cr, 0);
- else
- cairo_set_line_width(gtk_print_current_cr, 1);
-
- cairo_arc(gtk_print_current_cr, x, y, radius, 0, M_PI * 2);
+ LOG(("Starting line at: %i\t%i",p[0],p[1]));
- if (filled)
- cairo_fill(gtk_print_current_cr);
+ for (i = 1; i != n; i++) {
+ cairo_line_to(gtk_print_current_cr, p[i * 2], p[i * 2 + 1]);
+ LOG(("Drawing line to: %i\t%i",p[i * 2], p[i * 2 + 1]));
+ }
+ cairo_fill(gtk_print_current_cr);
cairo_stroke(gtk_print_current_cr);
return true;
}
-bool nsgtk_print_plot_arc(int x, int y, int radius, int angle1, int angle2,
- colour c)
-{
- nsgtk_print_set_colour(c);
- nsgtk_print_set_solid();
-
- cairo_set_line_width(gtk_print_current_cr, 1);
- cairo_arc(gtk_print_current_cr, x, y, radius,
- (angle1 + 90) * (M_PI / 180),
- (angle2 + 90) * (M_PI / 180));
- cairo_stroke(gtk_print_current_cr);
-
- return true;
-}
-static bool nsgtk_print_plot_pixbuf(int x, int y, int width, int height,
- GdkPixbuf *pixbuf, colour bg)
+static bool nsgtk_print_plot_path(const float *p, unsigned int n, colour fill,
+ float width, colour c, const float transform[6])
{
- /* XXX: This currently ignores the background colour supplied.
- * Does this matter?
- */
-
- if (width == 0 || height == 0)
- return true;
-
- if (gdk_pixbuf_get_width(pixbuf) == width &&
- gdk_pixbuf_get_height(pixbuf) == height) {
- gdk_cairo_set_source_pixbuf(gtk_print_current_cr, pixbuf, x, y);
- cairo_paint(gtk_print_current_cr);
- } else {
- GdkPixbuf *scaled;
- scaled = gdk_pixbuf_scale_simple(pixbuf,
- width, height,
- /* plotting for the printer doesn't have
- * to be fast so we can use always the
- * interp_style that gives better quality
- */
- GDK_INTERP_BILINEAR);
- if (!scaled)
- return false;
-
- gdk_cairo_set_source_pixbuf(gtk_print_current_cr, scaled, x, y);
- cairo_paint(gtk_print_current_cr);
-
- g_object_unref(scaled);
- }
+ /* Only the internal SVG renderer uses this plot call currently,
+ * and the GTK version uses librsvg. Thus, we ignore this complexity,
+ * and just return true obliviously. */
return true;
}
-
-bool nsgtk_print_plot_bitmap(int x, int y, int width, int height,
+static bool nsgtk_print_plot_bitmap(int x, int y, int width, int height,
struct bitmap *bitmap, colour bg,
bitmap_flags_t flags)
{
@@ -386,107 +429,48 @@ bool nsgtk_print_plot_bitmap(int x, int y, int width, int height,
return true;
}
-bool nsgtk_print_plot_path(const float *p, unsigned int n, colour fill,
- float width, colour c, const float transform[6])
-{
- /* Only the internal SVG renderer uses this plot call currently,
- * and the GTK version uses librsvg. Thus, we ignore this complexity,
- * and just return true obliviously. */
-
- return true;
-}
-
-void nsgtk_print_set_colour(colour c)
-{
- int r, g, b;
- GdkColor colour;
-
- r = c & 0xff;
- g = (c & 0xff00) >> 8;
- b = (c & 0xff0000) >> 16;
-
- colour.red = r | (r << 8);
- colour.green = g | (g << 8);
- colour.blue = b | (b << 8);
- colour.pixel = (r << 16) | (g << 8) | b;
-
- gdk_color_alloc(gdk_colormap_get_system(), &colour);
-
- cairo_set_source_rgba(gtk_print_current_cr, r / 255.0,
- g / 255.0, b / 255.0, 1.0);
-}
-
-void nsgtk_print_set_solid(void)
-{
- double dashes = 0;
-
- cairo_set_dash(gtk_print_current_cr, &dashes, 0, 0);
-}
-
-void nsgtk_print_set_dotted(void)
-{
- double cdashes = 1;
-
- cairo_set_dash(gtk_print_current_cr, &cdashes, 1, 0);
-}
-
-void nsgtk_print_set_dashed(void)
+static bool nsgtk_print_plot_text(int x, int y, const struct css_style *style,
+ const char *text, size_t length, colour bg, colour c)
{
- double cdashes = 3;
-
- cairo_set_dash(gtk_print_current_cr, &cdashes, 1, 0);
+ return gtk_print_font_paint(style, text, length, x, y, c);
}
-bool gtk_print_font_paint(const struct css_style *style,
- const char *string, size_t length,
- int x, int y, colour c)
-{
- PangoFontDescription *desc;
- PangoLayout *layout;
- gint size;
- PangoLayoutLine *line;
-
- if (length == 0)
- return true;
-
- desc = nsfont_style_to_description(style);
- size = (gint) ((double) pango_font_description_get_size(desc) *
- settings->scale);
-
- if (pango_font_description_get_size_is_absolute(desc))
- pango_font_description_set_absolute_size(desc, size);
- else
- pango_font_description_set_size(desc, size);
-
- layout = pango_cairo_create_layout(gtk_print_current_cr);
-
- pango_layout_set_font_description(layout, desc);
- pango_layout_set_text(layout, string, length);
-
- line = pango_layout_get_line(layout, 0);
-
- cairo_move_to(gtk_print_current_cr, x, y);
- nsgtk_print_set_colour(c);
- pango_cairo_show_layout_line(gtk_print_current_cr, line);
-
- g_object_unref(layout);
- pango_font_description_free(desc);
+/** GTK print plotter table */
+static const struct plotter_table nsgtk_print_plotters = {
+ .clip = nsgtk_print_plot_clip,
+ .arc = nsgtk_print_plot_arc,
+ .disc = nsgtk_print_plot_disc,
+ .line = nsgtk_print_plot_line,
+ .rectangle = nsgtk_print_plot_rectangle,
+ .polygon = nsgtk_print_plot_polygon,
+ .path = nsgtk_print_plot_path,
+ .bitmap = nsgtk_print_plot_bitmap,
+ .text = nsgtk_print_plot_text,
+ .option_knockout = false,
+};
- return true;
-}
static bool gtk_print_begin(struct print_settings* settings)
{
return true;
}
+
static bool gtk_print_next_page(void)
{
return true;
}
+
static void gtk_print_end(void)
{
}
+static const struct printer gtk_printer = {
+ &nsgtk_print_plotters,
+ gtk_print_begin,
+ gtk_print_next_page,
+ gtk_print_end
+};
+
/**
* Handle the begin_print signal from the GtkPrintOperation
*
@@ -555,3 +539,4 @@ void gtk_print_signal_end_print(GtkPrintOperation *operation,
print_cleanup(content_to_print, &gtk_printer, user_data);
}
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-19 22:42:42 +0000