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-rw-r--r--gtk/print.c613
1 files changed, 0 insertions, 613 deletions
diff --git a/gtk/print.c b/gtk/print.c
deleted file mode 100644
index a6e639996..000000000
--- a/gtk/print.c
+++ /dev/null
@@ -1,613 +0,0 @@
-/*
- * Copyright 2006 Rob Kendrick <rjek@rjek.com>
- * Copyright 2005 James Bursa <bursa@users.sourceforge.net>
- * Copyright 2008 Adam Blokus <adamblokus@gmail.com>
- *
- * This file is part of NetSurf, http://www.netsurf-browser.org/
- *
- * NetSurf is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * NetSurf is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
- /** \file
- * GTK printing (implementation).
- * All the functions and structures necessary for printing( signal handlers,
- * plotters, printer) are here.
- * Most of the plotters have been copied from the gtk_plotters.c file.
- */
-
-#include "utils/config.h"
-
-#include <math.h>
-#include <assert.h>
-#include <gdk/gdk.h>
-#include <gtk/gtk.h>
-
-#include "utils/log.h"
-#include "utils/utils.h"
-#include "content/content.h"
-#include "content/hlcache.h"
-#include "utils/nsoption.h"
-#include "desktop/plotters.h"
-#include "desktop/print.h"
-#include "desktop/printer.h"
-
-#include "gtk/layout_pango.h"
-#include "gtk/bitmap.h"
-#include "gtk/print.h"
-#include "gtk/scaffolding.h"
-
-/* Globals */
-cairo_t *gtk_print_current_cr;
-static struct print_settings* settings;
-hlcache_handle *content_to_print;
-static GdkRectangle cliprect;
-
-static inline void nsgtk_print_set_colour(colour c)
-{
- int r, g, b;
-
- r = c & 0xff;
- g = (c & 0xff00) >> 8;
- b = (c & 0xff0000) >> 16;
-
-#ifdef FIXME
- GdkColor colour;
- colour.red = r | (r << 8);
- colour.green = g | (g << 8);
- colour.blue = b | (b << 8);
- colour.pixel = (r << 16) | (g << 8) | b;
- gdk_colormap_alloc_color(gdk_colormap_get_system(), &colour, true, true);
-#endif
- cairo_set_source_rgba(gtk_print_current_cr, r / 255.0,
- g / 255.0, b / 255.0, 1.0);
-}
-
-
-
-static bool gtk_print_font_paint(int x, int y,
- const char *string, size_t length,
- const plot_font_style_t *fstyle)
-{
- PangoFontDescription *desc;
- PangoLayout *layout;
- gint size;
- PangoLayoutLine *line;
-
- if (length == 0)
- return true;
-
- desc = nsfont_style_to_description(fstyle);
- 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(fstyle->foreground);
- pango_cairo_show_layout_line(gtk_print_current_cr, line);
-
- g_object_unref(layout);
- pango_font_description_free(desc);
-
- return true;
-}
-
-
-/** Set cairo context to solid plot operation. */
-static inline void nsgtk_print_set_solid(void)
-{
- double dashes = 0;
- cairo_set_dash(gtk_print_current_cr, &dashes, 0, 0);
-}
-
-/** 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);
-}
-
-/** 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(const struct rect *clip)
-{
- 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. */
- int clip_x0 = min(max(clip->x0, 0), settings->page_width);
- int clip_y0 = min(max(clip->y0, 0), settings->page_height);
- int clip_x1 = min(max(clip->x1, 0), settings->page_width);
- int 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_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);
-
- 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;
- }
-
- 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_stroke(gtk_print_current_cr);
- }
- return true;
-}
-
-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);
-
- 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;
- }
-
- 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_move_to(gtk_print_current_cr, x0 + 0.5, y0 + 0.5);
- cairo_line_to(gtk_print_current_cr, x1 + 0.5, y1 + 0.5);
- cairo_stroke(gtk_print_current_cr);
-
- return true;
-}
-
-static bool nsgtk_print_plot_rectangle(int x0, int y0, int x1, int y1, const plot_style_t *style)
-{
- LOG("x0: %i ;\t y0: %i ;\t x1: %i ;\t y1: %i", x0, y0, x1, y1);
-
- if (style->fill_type != PLOT_OP_TYPE_NONE) {
-
- nsgtk_print_set_colour(style->fill_colour);
- nsgtk_print_set_solid();
-
- /* 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);
-
- 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);
- }
-
- 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;
- }
-
- 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_rectangle(gtk_print_current_cr, x0, y0, x1 - x0, y1 - y0);
- cairo_stroke(gtk_print_current_cr);
- }
-
- return true;
-}
-
-static bool nsgtk_print_plot_polygon(const int *p, unsigned int n, const plot_style_t *style)
-{
- unsigned int i;
-
- LOG("Plotting polygon.");
-
- 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]);
-
- 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;
-}
-
-
-static 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;
-}
-
-
-static bool nsgtk_print_plot_pixbuf(int x, int y, int width, int height,
- struct bitmap *bitmap, colour bg)
-{
- int x0, y0, x1, y1;
- int dsrcx, dsrcy, dwidth, dheight;
- int bmwidth, bmheight;
-
- cairo_surface_t *bmsurface = bitmap->surface;
-
- /* Bail early if we can */
- if (width == 0 || height == 0)
- /* Nothing to plot */
- return true;
- if ((x > (cliprect.x + cliprect.width)) ||
- ((x + width) < cliprect.x) ||
- (y > (cliprect.y + cliprect.height)) ||
- ((y + height) < cliprect.y)) {
- /* Image completely outside clip region */
- return true;
- }
-
- /* Get clip rectangle / image rectangle edge differences */
- x0 = cliprect.x - x;
- y0 = cliprect.y - y;
- x1 = (x + width) - (cliprect.x + cliprect.width);
- y1 = (y + height) - (cliprect.y + cliprect.height);
-
- /* Set initial draw geometry */
- dsrcx = x;
- dsrcy = y;
- dwidth = width;
- dheight = height;
-
- /* Manually clip draw coordinates to area of image to be rendered */
- if (x0 > 0) {
- /* Clip left */
- dsrcx += x0;
- dwidth -= x0;
- }
- if (y0 > 0) {
- /* Clip top */
- dsrcy += y0;
- dheight -= y0;
- }
- if (x1 > 0) {
- /* Clip right */
- dwidth -= x1;
- }
- if (y1 > 0) {
- /* Clip bottom */
- dheight -= y1;
- }
-
- if (dwidth == 0 || dheight == 0)
- /* Nothing to plot */
- return true;
-
- bmwidth = cairo_image_surface_get_width(bmsurface);
- bmheight = cairo_image_surface_get_height(bmsurface);
-
- /* Render the bitmap */
- if ((bmwidth == width) && (bmheight == height)) {
- /* Bitmap is not scaled */
- /* Plot the bitmap */
- cairo_set_source_surface(gtk_print_current_cr, bmsurface, x, y);
- cairo_rectangle(gtk_print_current_cr, dsrcx, dsrcy, dwidth, dheight);
- cairo_fill(gtk_print_current_cr);
-
- } else {
- /* Bitmap is scaled */
- if ((bitmap->scsurface != NULL) &&
- ((cairo_image_surface_get_width(bitmap->scsurface) != width) ||
- (cairo_image_surface_get_height(bitmap->scsurface) != height))){
- cairo_surface_destroy(bitmap->scsurface);
- bitmap->scsurface = NULL;
- }
-
- if (bitmap->scsurface == NULL) {
- bitmap->scsurface = cairo_surface_create_similar(bmsurface,CAIRO_CONTENT_COLOR_ALPHA, width, height);
- cairo_t *cr = cairo_create(bitmap->scsurface);
-
- /* Scale *before* setting the source surface (1) */
- cairo_scale(cr, (double)width / bmwidth, (double)height / bmheight);
- cairo_set_source_surface(cr, bmsurface, 0, 0);
-
- /* To avoid getting the edge pixels blended with 0
- * alpha, which would occur with the default
- * EXTEND_NONE. Use EXTEND_PAD for 1.2 or newer (2)
- */
- cairo_pattern_set_extend(cairo_get_source(cr),
- CAIRO_EXTEND_REFLECT);
-
- /* Replace the destination with the source instead of
- * overlaying
- */
- cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
-
- /* Do the actual drawing */
- cairo_paint(cr);
-
- cairo_destroy(cr);
-
- }
- /* Plot the scaled bitmap */
- cairo_set_source_surface(gtk_print_current_cr, bitmap->scsurface, x, y);
- cairo_rectangle(gtk_print_current_cr, dsrcx, dsrcy, dwidth, dheight);
- cairo_fill(gtk_print_current_cr);
-
- }
-
- return true;
-}
-
-
-static bool nsgtk_print_plot_bitmap(int x, int y, int width, int height,
- struct bitmap *bitmap, colour bg,
- bitmap_flags_t flags)
-{
- int doneheight = 0, donewidth = 0;
- bool repeat_x = (flags & BITMAPF_REPEAT_X);
- bool repeat_y = (flags & BITMAPF_REPEAT_Y);
-
- if (!(repeat_x || repeat_y)) {
- /* Not repeating at all, so just pass it on */
- return nsgtk_print_plot_pixbuf(x, y, width, height, bitmap, bg);
- }
-
- width = nsgtk_bitmap_get_width(bitmap);
- height = nsgtk_bitmap_get_height(bitmap);
-
- /* Bail early if we can */
- if (width == 0 || height == 0)
- /* Nothing to plot */
- return true;
-
- if (y > cliprect.y) {
- doneheight = (cliprect.y - height) + ((y - cliprect.y) % height);
- } else {
- doneheight = y;
- }
-
- while (doneheight < (cliprect.y + cliprect.height)) {
- if (x > cliprect.x) {
- donewidth = (cliprect.x - width) + ((x - cliprect.x) % width);
- } else {
- donewidth = x;
- }
-
- while (donewidth < (cliprect.x + cliprect.width)) {
- nsgtk_print_plot_pixbuf(donewidth, doneheight,
- width, height, bitmap, bg);
- donewidth += width;
- if (!repeat_x)
- break;
- }
- doneheight += height;
-
- if (!repeat_y)
- break;
- }
-
- return true;
-}
-
-static bool nsgtk_print_plot_text(int x, int y, const char *text, size_t length,
- const plot_font_style_t *fstyle)
-{
- return gtk_print_font_paint(x, y, text, length, fstyle);
-}
-
-/** 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,
-};
-
-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
- *
- * \param operation the operation which emited the signal
- * \param context the print context used to set up the pages
- * \param user_data nothing in here
- */
-void gtk_print_signal_begin_print (GtkPrintOperation *operation,
- GtkPrintContext *context, gpointer user_data)
-{
- int page_number;
- double height_on_page, height_to_print;
-
- LOG("Begin print");
-
- settings = user_data;
-
- settings->margins[MARGINTOP] = 0;
- settings->margins[MARGINLEFT] = 0;
- settings->margins[MARGINBOTTOM] = 0;
- settings->margins[MARGINRIGHT] = 0;
- settings->page_width = gtk_print_context_get_width(context);
- settings->page_height = gtk_print_context_get_height(context);
- settings->scale = 0.7; /* at 0.7 the pages look the best */
- settings->font_func = nsgtk_layout_table;
-
- if (print_set_up(content_to_print, &gtk_printer,
- settings, &height_to_print) == false) {
- gtk_print_operation_cancel(operation);
-
- } else {
-
- LOG("page_width: %f ;page_height: %f; content height: %lf", settings->page_width, settings->page_height, height_to_print);
-
- height_on_page = settings->page_height;
- height_on_page = height_on_page -
- FIXTOFLT(FSUB(settings->margins[MARGINTOP],
- settings->margins[MARGINBOTTOM]));
- height_to_print *= settings->scale;
-
- page_number = height_to_print / height_on_page;
-
- if (height_to_print - page_number * height_on_page > 0)
- page_number += 1;
-
- gtk_print_operation_set_n_pages(operation, page_number);
- }
-}
-
-/**
- * Handle the draw_page signal from the GtkPrintOperation.
- * This function changes only the cairo context to print on.
- */
-void gtk_print_signal_draw_page(GtkPrintOperation *operation,
- GtkPrintContext *context, gint page_nr, gpointer user_data)
-{
- LOG("Draw Page");
- gtk_print_current_cr = gtk_print_context_get_cairo_context(context);
- print_draw_next_page(&gtk_printer, settings);
-}
-
-/**
- * Handle the end_print signal from the GtkPrintOperation.
- * This functions calls only the print_cleanup function from the print interface
- */
-void gtk_print_signal_end_print(GtkPrintOperation *operation,
- GtkPrintContext *context, gpointer user_data)
-{
- LOG("End print");
- print_cleanup(content_to_print, &gtk_printer, user_data);
-}
-
-
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