[Gnucash-changes] r12334 - gnucash/trunk - Remove (b0rk) cairo
support
Joshua Sled
jsled at cvs.gnucash.org
Thu Jan 12 18:40:46 EST 2006
Author: jsled
Date: 2006-01-12 18:40:45 -0500 (Thu, 12 Jan 2006)
New Revision: 12334
Trac: http://svn.gnucash.org/trac/changeset/12334
Removed:
gnucash/trunk/lib/goffice-0.0.4/goffice/graph/gog-renderer-cairo.c
Modified:
gnucash/trunk/configure.in
gnucash/trunk/lib/goffice-0.0.4/goffice/graph/Makefile.am
Log:
Remove (b0rk) cairo support
Modified: gnucash/trunk/configure.in
===================================================================
--- gnucash/trunk/configure.in 2006-01-12 23:34:09 UTC (rev 12333)
+++ gnucash/trunk/configure.in 2006-01-12 23:40:45 UTC (rev 12334)
@@ -932,9 +932,6 @@
pango >= 1.6.0
pangoft2 >= 1.6.0
"
-goffice_cairo_reqs="
- cairo >= 0.5.0
-"
goffice_gtk_reqs="
gtk+-2.0 >= 2.4.14
libglade-2.0 >= 2.3.6
@@ -946,21 +943,9 @@
libgnomeui-2.0 >= 2.0.0
libgsf-gnome-1 >= 1.12.2
"
-dnl *********************
-dnl Should we use cairo ?
-dnl *********************
+dnl Should we use cairo ? no
goffice_with_cairo=false
-AC_ARG_WITH(cairo, [ --{with,without}-cairo Use cairo for graph rendering])
-if test "x$with_cairo" = xyes; then
- cairo_msg="Enabled"
- PKG_CHECK_MODULES(CAIRO, [$goffice_cairo_reqs])
- AC_DEFINE(WITH_CAIRO, 1, [Define if goffice is build with cairo])
- goffice_reqs="$goffice_reqs $goffice_cairo_reqs"
- goffice_with_cairo=true
-else
- cairo_msg="Disabled"
- goffice_with_cairo=false
-fi
+cairo_msg="Disabled"
dnl *******************
dnl Should we use gtk ?
Modified: gnucash/trunk/lib/goffice-0.0.4/goffice/graph/Makefile.am
===================================================================
--- gnucash/trunk/lib/goffice-0.0.4/goffice/graph/Makefile.am 2006-01-12 23:34:09 UTC (rev 12333)
+++ gnucash/trunk/lib/goffice-0.0.4/goffice/graph/Makefile.am 2006-01-12 23:40:45 UTC (rev 12334)
@@ -75,11 +75,6 @@
gog-renderer-gnome-print.h \
gog-renderer-svg.h
-if WITH_CAIRO
- libgoffice_graph_la_SOURCES += gog-renderer-cairo.c
- libgoffice_graph_la_HEADERS += gog-renderer-cairo.h
-endif
-
gladedir = $(goffice_datadir)/glade
dist_glade_DATA = \
gog-guru.glade \
Deleted: gnucash/trunk/lib/goffice-0.0.4/goffice/graph/gog-renderer-cairo.c
===================================================================
--- gnucash/trunk/lib/goffice-0.0.4/goffice/graph/gog-renderer-cairo.c 2006-01-12 23:34:09 UTC (rev 12333)
+++ gnucash/trunk/lib/goffice-0.0.4/goffice/graph/gog-renderer-cairo.c 2006-01-12 23:40:45 UTC (rev 12334)
@@ -1,753 +0,0 @@
-/* vim: set sw=8: -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
-/*
- * gog-renderer-cairo.c :
- *
- * Copyright (C) 2005 Emmanuel Pacaud (emmanuel.pacaud at univ-poitiers.fr)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
- *
- * This program 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, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
- * USA
- */
-
-/* TODO:
- *
- * - implement stretched image texture
- * - fix alpha channel of source image for texture
- * - fix font size
- * - implement mutiline text
- * - cache font properties
- * - implement rendering of marker with cairo
- * (that will fix grayish outline bug)
- */
-
-#include <goffice/goffice-config.h>
-#include <goffice/graph/gog-graph-impl.h>
-#include <goffice/graph/gog-renderer-cairo.h>
-#include <goffice/graph/gog-renderer-impl.h>
-#include <goffice/graph/gog-style.h>
-#include <goffice/graph/gog-view.h>
-#include <goffice/utils/go-color.h>
-#include <goffice/utils/go-font.h>
-#include <goffice/utils/go-marker.h>
-#include <goffice/utils/go-units.h>
-#include <goffice/utils/go-math.h>
-
-#include <libart_lgpl/art_render_gradient.h>
-#include <libart_lgpl/art_render_svp.h>
-#include <libart_lgpl/art_render_mask.h>
-#include <pango/pangoft2.h>
-#include <gsf/gsf-impl-utils.h>
-
-#include <cairo/cairo.h>
-
-#include <math.h>
-
-#define DOUBLE_RGBA_R(x) (double)UINT_RGBA_R(x)/255.0
-#define DOUBLE_RGBA_G(x) (double)UINT_RGBA_G(x)/255.0
-#define DOUBLE_RGBA_B(x) (double)UINT_RGBA_B(x)/255.0
-#define DOUBLE_RGBA_A(x) (double)UINT_RGBA_A(x)/255.0
-
-#define GO_COLOR_TO_CAIRO(x) DOUBLE_RGBA_R(x),DOUBLE_RGBA_G(x),DOUBLE_RGBA_B(x),DOUBLE_RGBA_A(x)
-
-struct _GogRendererCairo {
- GogRenderer base;
-
- int w, h;
-
- cairo_t *cairo;
- GdkPixbuf *pixbuf;
-
- cairo_surface_t *marker_surface;
- GdkPixbuf *marker_pixbuf;
-};
-
-typedef GogRendererClass GogRendererCairoClass;
-
-static GObjectClass *parent_klass;
-
-static void
-gog_renderer_cairo_finalize (GObject *obj)
-{
- GogRendererCairo *crend = GOG_RENDERER_CAIRO (obj);
- cairo_surface_t *surface;
-
- if (crend->cairo != NULL){
- surface = cairo_get_target (crend->cairo);
- cairo_surface_destroy (surface);
- cairo_destroy (crend->cairo);
- crend->cairo = NULL;
- }
- if (crend->pixbuf != NULL) {
- g_object_unref (crend->pixbuf);
- crend->pixbuf = NULL;
- }
- if (crend->marker_surface != NULL) {
- cairo_surface_destroy (crend->marker_surface);
- g_object_unref (crend->marker_pixbuf);
- crend->marker_surface = NULL;
- crend->marker_pixbuf = NULL;
- }
-
- (*parent_klass->finalize) (obj);
-}
-
-static void
-gog_renderer_cairo_clip_push (GogRenderer *rend, GogRendererClip *clip)
-{
- GogRendererCairo *crend = GOG_RENDERER_CAIRO (rend);
- double x, y;
-
- /* Rounding clipping area trigger cairo fast clip */
- x = floor (clip->area.x + 0.5);
- y = floor (clip->area.y + 0.5);
-
- cairo_save (crend->cairo);
- cairo_rectangle (crend->cairo, x, y,
- floor (clip->area.x + clip->area.w + 0.5) - x,
- floor (clip->area.y + clip->area.h + 0.5) - y);
- cairo_clip (crend->cairo);
-}
-
-static void
-gog_renderer_cairo_clip_pop (GogRenderer *rend, GogRendererClip *clip)
-{
- GogRendererCairo *crend = GOG_RENDERER_CAIRO (rend);
-
- cairo_restore (crend->cairo);
-}
-
-static double
-grc_line_size (GogRenderer const *rend, double width)
-{
- if (go_sub_epsilon (width) <= 0.) /* cheesy version of hairline */
- return 1.;
-
- width *= rend->scale;
- if (width <= 1.)
- return width;
-
- return floor (width);
-}
-
-static double
-gog_renderer_cairo_line_size (GogRenderer const *rend, double width)
-{
- double size = grc_line_size (rend, width);
-
- if (size < 1.0)
- return ceil (size);
-
- return size;
-}
-
-static void
-gog_renderer_cairo_sharp_path (GogRenderer *rend, ArtVpath *path, double line_width)
-{
- ArtVpath *iter = path;
-
- if (((int) (rint (line_width)) % 2 == 0) && line_width > 1.0)
- while (iter->code != ART_END) {
- iter->x = floor (iter->x + .5);
- iter->y = floor (iter->y + .5);
- iter++;
- }
- else
- while (iter->code != ART_END) {
- iter->x = floor (iter->x) + .5;
- iter->y = floor (iter->y) + .5;
- iter++;
- }
-}
-
-static void
-grc_path (cairo_t *cr, ArtVpath *vpath, ArtBpath *bpath)
-{
- if (vpath)
- while (vpath->code != ART_END) {
- switch (vpath->code) {
- case ART_MOVETO_OPEN:
- case ART_MOVETO:
- cairo_move_to (cr, vpath->x, vpath->y);
- break;
- case ART_LINETO:
- cairo_line_to (cr, vpath->x, vpath->y);
- break;
- default:
- break;
- }
- vpath++;
- }
- else
- while (bpath->code != ART_END) {
- switch (bpath->code) {
- case ART_MOVETO_OPEN:
- case ART_MOVETO:
- cairo_move_to (cr, bpath->x3, bpath->y3);
- break;
- case ART_LINETO:
- cairo_line_to (cr, bpath->x3, bpath->y3);
- break;
- case ART_CURVETO:
- cairo_curve_to (cr,
- bpath->x1, bpath->y1,
- bpath->x2, bpath->y2,
- bpath->x3, bpath->y3);
- break;
- default:
- break;
- }
- bpath++;
- }
-}
-
-/* Red and blue are inverted in a pixbuf compared to cairo */
-static void
-grc_invert_pixbuf_RB (unsigned char *pixels, int width, int height, int rowstride)
-{
- int i,j;
- unsigned char a;
-
- for (i = 0; i < height; i++) {
- for (j = 0; j < width; j++) {
- a = pixels[0];
- pixels[0] = pixels[2];
- pixels[2] = a;
- pixels += 4;
- }
- pixels += rowstride - width * 4;
- }
-}
-
-static void
-grc_draw_path (GogRenderer *rend, ArtVpath const *vpath, ArtBpath const*bpath)
-{
- GogRendererCairo *crend = GOG_RENDERER_CAIRO (rend);
- GogStyle const *style = rend->cur_style;
- cairo_t *cr = crend->cairo;
- double width = grc_line_size (rend, style->line.width);
-
- g_return_if_fail (bpath != NULL || vpath != NULL);
-
- cairo_set_line_width (cr, width);
- if (rend->line_dash != NULL)
- cairo_set_dash (cr,
- rend->line_dash->dash,
- rend->line_dash->n_dash,
- rend->line_dash->offset);
- grc_path (cr, (ArtVpath *) vpath, (ArtBpath *) bpath);
- cairo_set_source_rgba (cr, GO_COLOR_TO_CAIRO (style->line.color));
- cairo_stroke (cr);
-}
-
-static void
-gog_renderer_cairo_draw_path (GogRenderer *rend, ArtVpath const *path)
-{
- grc_draw_path (rend, path, NULL);
-}
-
-static void
-gog_renderer_cairo_draw_bezier_path (GogRenderer *rend, ArtBpath const *path)
-{
- grc_draw_path (rend, NULL, path);
-}
-
-static void
-grc_draw_polygon (GogRenderer *rend, ArtVpath const *vpath,
- ArtBpath const *bpath, gboolean narrow)
-{
- struct { unsigned x0i, y0i, x1i, y1i; } const grad_i[GO_GRADIENT_MAX] = {
- {0, 0, 0, 1},
- {0, 1, 0, 0},
- {0, 0, 0, 2},
- {0, 2, 0, 1},
- {0, 0, 1, 0},
- {1, 0, 0, 0},
- {0, 0, 2, 0},
- {2, 0, 1, 0},
- {0, 0, 1, 1},
- {1, 1, 0, 0},
- {0, 0, 2, 2},
- {2, 2, 1, 1},
- {1, 0, 0, 1},
- {0, 1, 1, 0},
- {1, 0, 2, 2},
- {2, 2, 0, 1}
- };
-
- GogRendererCairo *crend = GOG_RENDERER_CAIRO (rend);
- GogStyle const *style = rend->cur_style;
- cairo_t *cr = crend->cairo;
- cairo_pattern_t *cr_pattern = NULL;
- cairo_surface_t *cr_surface = NULL;
- GdkPixbuf *pixbuf = NULL;
- GOColor color;
- double width = grc_line_size (rend, style->line.width);
- double x[3], y[3];
- int i, j, w, h, rowstride;
- guint8 const *pattern;
- unsigned char *pixels, *iter;
-
- g_return_if_fail (bpath != NULL || vpath != NULL);
-
- narrow = narrow || (style->outline.dash_type == GO_LINE_NONE);
-
- if (narrow && style->fill.type == GOG_FILL_STYLE_NONE)
- return;
-
- cairo_set_line_width (cr, width);
- grc_path (cr, (ArtVpath *) vpath, (ArtBpath *) bpath);
-
- switch (style->fill.type) {
- case GOG_FILL_STYLE_PATTERN:
- if (go_pattern_is_solid (&style->fill.pattern, &color))
- cairo_set_source_rgba (cr, GO_COLOR_TO_CAIRO (color));
- else {
- GOColor fore = style->fill.pattern.fore;
- GOColor back = style->fill.pattern.back;
- int rowstride;
-
- pattern = go_pattern_get_pattern (&style->fill.pattern);
- pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8, 8, 8);
- iter = gdk_pixbuf_get_pixels (pixbuf);
- rowstride = gdk_pixbuf_get_rowstride (pixbuf);
- cr_surface = cairo_image_surface_create_for_data ( iter,
- CAIRO_FORMAT_ARGB32, 8, 8, rowstride);
- for (i = 0; i < 8; i++) {
- for (j = 0; j < 8; j++) {
- color = pattern[i] & (1 << j) ? fore : back;
- iter[0] = UINT_RGBA_B (color);
- iter[1] = UINT_RGBA_G (color);
- iter[2] = UINT_RGBA_R (color);
- iter[3] = UINT_RGBA_A (color);
- iter += 4;
- }
- iter += rowstride - 32;
- }
- cr_pattern = cairo_pattern_create_for_surface (cr_surface);
- cairo_pattern_set_extend (cr_pattern, CAIRO_EXTEND_REPEAT);
- cairo_set_source (cr, cr_pattern);
- }
- break;
-
- case GOG_FILL_STYLE_GRADIENT:
- cairo_fill_extents (cr, &x[0], &y[0], &x[1], &y[1]);
- x[2] = (x[1] - x[0]) / 2.0 + x[1];
- y[2] = (y[1] - y[0]) / 2.0 + y[1];
- cr_pattern = cairo_pattern_create_linear (
- x[grad_i[style->fill.gradient.dir].x0i],
- y[grad_i[style->fill.gradient.dir].y0i],
- x[grad_i[style->fill.gradient.dir].x1i],
- y[grad_i[style->fill.gradient.dir].y1i]);
- cairo_pattern_set_extend (cr_pattern, CAIRO_EXTEND_REFLECT);
- cairo_pattern_add_color_stop_rgba (cr_pattern, 0,
- GO_COLOR_TO_CAIRO (style->fill.pattern.back));
- cairo_pattern_add_color_stop_rgba (cr_pattern, 1,
- GO_COLOR_TO_CAIRO (style->fill.pattern.fore));
- cairo_set_source (cr, cr_pattern);
- break;
-
- case GOG_FILL_STYLE_IMAGE:
- if (style->fill.image.image == NULL) {
- cairo_set_source_rgba (cr, 1, 1, 1, 1);
- break;
- }
- pixbuf = gdk_pixbuf_add_alpha (style->fill.image.image, FALSE, 0, 0, 0);
- pixels = gdk_pixbuf_get_pixels (pixbuf);
- h = gdk_pixbuf_get_height (pixbuf);
- w = gdk_pixbuf_get_width (pixbuf);
- rowstride = gdk_pixbuf_get_rowstride (pixbuf);
- cr_surface = cairo_image_surface_create_for_data (pixels,
- CAIRO_FORMAT_ARGB32, w, h, rowstride);
- grc_invert_pixbuf_RB (pixels, w, h, rowstride);
- cr_pattern = cairo_pattern_create_for_surface (cr_surface);
- cairo_pattern_set_extend (cr_pattern, CAIRO_EXTEND_REPEAT);
- cairo_set_source (cr, cr_pattern);
- break;
-
- case GOG_FILL_STYLE_NONE:
- break; /* impossible */
- }
-
- if (style->fill.type != GOG_FILL_STYLE_NONE) {
- if (!narrow)
- cairo_fill_preserve (cr);
- else
- cairo_fill (cr);
- }
-
- if (!narrow) {
- cairo_set_source_rgba (cr, GO_COLOR_TO_CAIRO (style->outline.color));
- if (rend->outline_dash != NULL)
- cairo_set_dash (cr,
- rend->outline_dash->dash,
- rend->outline_dash->n_dash,
- rend->outline_dash->offset);
- cairo_stroke (cr);
- }
-
- if (cr_pattern != NULL)
- cairo_pattern_destroy (cr_pattern);
- if (cr_surface != NULL)
- cairo_surface_destroy (cr_surface);
- if (pixbuf)
- g_object_unref (pixbuf);
-}
-
-static void
-gog_renderer_cairo_draw_polygon (GogRenderer *rend, ArtVpath const *path,
- gboolean narrow)
-{
- grc_draw_polygon (rend, path, NULL, narrow);
-}
-
-static void
-gog_renderer_cairo_draw_bezier_polygon (GogRenderer *rend, ArtBpath const *path,
- gboolean narrow)
-{
- grc_draw_polygon (rend, NULL, path, narrow);
-}
-
-static void
-gog_renderer_cairo_draw_text (GogRenderer *rend, char const *text,
- GogViewAllocation const *pos, GtkAnchorType anchor,
- GogViewAllocation *result)
-{
- GogRendererCairo *crend = (GogRendererCairo *) rend;
- GogStyle const *style = rend->cur_style;
- PangoFontDescription const *fd = style->font.font->desc;
- PangoWeight weight;
- cairo_t *cr = crend->cairo;
- cairo_text_extents_t text_extents;
- cairo_font_extents_t font_extents;
- cairo_font_slant_t slant;
- GOGeometryOBR obr;
- GOGeometryAABR aabr;
- char const *family;
- double size;
-
- family = pango_font_description_get_family (fd);
- size = pango_font_description_get_size (fd) / PANGO_SCALE;
- weight = pango_font_description_get_weight (fd);
- switch (pango_font_description_get_style (fd)) {
- case (PANGO_STYLE_NORMAL): slant = CAIRO_FONT_SLANT_NORMAL; break;
- case (PANGO_STYLE_OBLIQUE): slant = CAIRO_FONT_SLANT_OBLIQUE; break;
- case (PANGO_STYLE_ITALIC): slant = CAIRO_FONT_SLANT_ITALIC; break;
- }
-/* g_message ("family: %s, size: %g", family, size);*/
- /* FIXME: calculate dpi */
- size *= 96.0 * rend->scale * rend->zoom / 72.0;
- cairo_select_font_face (cr, family, slant,
- weight > PANGO_WEIGHT_SEMIBOLD ? CAIRO_FONT_WEIGHT_BOLD : CAIRO_FONT_WEIGHT_NORMAL);
- cairo_set_font_size (cr, size);
- cairo_text_extents (cr, text, &text_extents);
- cairo_font_extents (cr, &font_extents);
-
- obr.w = text_extents.width;
- obr.h = font_extents.ascent + font_extents.descent;
- obr.alpha = rend->cur_style->text_layout.angle * M_PI / 180.0;
- obr.x = pos->x;
- obr.y = pos->y;
- go_geometry_OBR_to_AABR (&obr, &aabr);
-
- switch (anchor) {
- case GTK_ANCHOR_NW: case GTK_ANCHOR_W: case GTK_ANCHOR_SW:
- obr.x += aabr.w / 2.0;
- break;
- case GTK_ANCHOR_NE : case GTK_ANCHOR_SE : case GTK_ANCHOR_E :
- obr.x -= aabr.w / 2.0;
- break;
- default : break;
- }
- if (obr.x <= 0)
- obr.x = 0;
-
- switch (anchor) {
- case GTK_ANCHOR_NW: case GTK_ANCHOR_N: case GTK_ANCHOR_NE:
- obr.y += aabr.h / 2.0;
- break;
- case GTK_ANCHOR_SE : case GTK_ANCHOR_S : case GTK_ANCHOR_SW :
- obr.y -= aabr.h / 2.0;
- break;
- default : break;
- }
- if (obr.y <= 0)
- obr.y = 0;
-
- cairo_save (cr);
- cairo_set_source_rgba (cr, GO_COLOR_TO_CAIRO (style->font.color));
- cairo_move_to (cr, obr.x, obr.y);
- cairo_rotate (cr, -obr.alpha);
- cairo_rel_move_to (cr, - obr.w / 2.0, + obr.h / 2.0 - font_extents.descent);
- cairo_show_text (cr, text);
- cairo_restore (cr);
-
- if (result != NULL) {
- result->x = aabr.x;
- result->y = aabr.y;
- result->w = aabr.w;
- result->h = aabr.h;
- }
-}
-
-static void
-gog_renderer_cairo_get_text_OBR (GogRenderer *rend,
- char const *text, GOGeometryOBR *obr)
-{
- GogRendererCairo *crend = (GogRendererCairo *) rend;
- GogStyle const *style = rend->cur_style;
- PangoFontDescription const *fd = style->font.font->desc;
- PangoWeight weight;
- cairo_t *cr = crend->cairo;
- cairo_text_extents_t text_extents;
- cairo_font_extents_t font_extents;
- cairo_font_slant_t slant;
- char const *family;
- double size;
-
- family = pango_font_description_get_family (fd);
- /* FIXME: calculate dpi */
- size = pango_font_description_get_size (fd) / PANGO_SCALE / 72.0 * 96.0 * rend->scale * rend->zoom;
- weight = pango_font_description_get_weight (fd);
- switch (pango_font_description_get_style (fd)) {
- case (PANGO_STYLE_NORMAL): slant = CAIRO_FONT_SLANT_NORMAL; break;
- case (PANGO_STYLE_OBLIQUE): slant = CAIRO_FONT_SLANT_OBLIQUE; break;
- case (PANGO_STYLE_ITALIC): slant = CAIRO_FONT_SLANT_ITALIC; break;
- }
- cairo_select_font_face (cr, family, slant,
- weight > PANGO_WEIGHT_SEMIBOLD ? CAIRO_FONT_WEIGHT_BOLD : CAIRO_FONT_WEIGHT_NORMAL);
- cairo_set_font_size (cr, size);
- cairo_text_extents (cr, text, &text_extents);
- cairo_font_extents (cr, &font_extents);
-
- obr->w = text_extents.width;
- obr->h = font_extents.ascent + font_extents.descent;
-}
-
-static cairo_surface_t *
-grc_get_marker_surface (GogRenderer *rend)
-{
- GogRendererCairo *crend = GOG_RENDERER_CAIRO (rend);
- GogStyle const *style = rend->cur_style;
- GdkPixbuf *pixbuf, *marker_pixbuf;
- cairo_surface_t *surface;
- unsigned char *pixels;
- int height, width, rowstride;
-
- if (crend->marker_surface != NULL)
- return crend->marker_surface;
-
- marker_pixbuf = go_marker_get_pixbuf (style->marker.mark, rend->scale);
- if (marker_pixbuf == NULL)
- return NULL;
-
- pixbuf = gdk_pixbuf_copy (go_marker_get_pixbuf (style->marker.mark, rend->scale));
- pixels = gdk_pixbuf_get_pixels (pixbuf);
- height = gdk_pixbuf_get_height (pixbuf);
- width = gdk_pixbuf_get_width (pixbuf);
- rowstride = gdk_pixbuf_get_rowstride (pixbuf);
- surface = cairo_image_surface_create_for_data (pixels,
- CAIRO_FORMAT_ARGB32, width, height, rowstride);
- grc_invert_pixbuf_RB (pixels, width, height, rowstride);
-
- crend->marker_pixbuf = pixbuf;
- crend->marker_surface = surface;
-
- return surface;
-}
-
-static void
-gog_renderer_cairo_draw_marker (GogRenderer *rend, double x, double y)
-{
- GogRendererCairo *crend = GOG_RENDERER_CAIRO (rend);
- cairo_surface_t *surface;
- double width, height;
-
- surface = grc_get_marker_surface (rend);
- if (surface == NULL)
- return;
- width = cairo_image_surface_get_width (surface);
- height = cairo_image_surface_get_height (surface);
- cairo_set_source_surface (crend->cairo, surface,
- floor (floor (x + .5) - width / 2.0),
- floor (floor (y + .5) - height / 2.0));
- cairo_paint (crend->cairo);
-}
-
-static void
-gog_renderer_cairo_push_style (GogRenderer *rend, GogStyle const *style)
-{
-}
-
-static void
-gog_renderer_cairo_pop_style (GogRenderer *rend)
-{
- GogRendererCairo *crend = GOG_RENDERER_CAIRO (rend);
-
- if (crend->marker_surface != NULL) {
- cairo_surface_destroy (crend->marker_surface);
- g_object_unref (crend->marker_pixbuf);
- crend->marker_surface = NULL;
- crend->marker_pixbuf = NULL;
- }
-}
-
-static void
-gog_renderer_cairo_class_init (GogRendererClass *rend_klass)
-{
- GObjectClass *gobject_klass = (GObjectClass *) rend_klass;
-
- parent_klass = g_type_class_peek_parent (rend_klass);
- gobject_klass->finalize = gog_renderer_cairo_finalize;
- rend_klass->push_style = gog_renderer_cairo_push_style;
- rend_klass->pop_style = gog_renderer_cairo_pop_style;
- rend_klass->clip_push = gog_renderer_cairo_clip_push;
- rend_klass->clip_pop = gog_renderer_cairo_clip_pop;
- rend_klass->sharp_path = gog_renderer_cairo_sharp_path;
- rend_klass->draw_path = gog_renderer_cairo_draw_path;
- rend_klass->draw_polygon = gog_renderer_cairo_draw_polygon;
- rend_klass->draw_bezier_path = gog_renderer_cairo_draw_bezier_path;
- rend_klass->draw_bezier_polygon = gog_renderer_cairo_draw_bezier_polygon;
- rend_klass->draw_text = gog_renderer_cairo_draw_text;
- rend_klass->draw_marker = gog_renderer_cairo_draw_marker;
- rend_klass->get_text_OBR = gog_renderer_cairo_get_text_OBR;
- rend_klass->line_size = gog_renderer_cairo_line_size;
-}
-
-static void
-gog_renderer_cairo_init (GogRendererCairo *crend)
-{
- crend->cairo = NULL;
- crend->pixbuf = NULL;
- crend->marker_surface = NULL;
- crend->marker_pixbuf = NULL;
- crend->w = crend->h = 0;
-}
-
-GSF_CLASS (GogRendererCairo, gog_renderer_cairo,
- gog_renderer_cairo_class_init, gog_renderer_cairo_init,
- GOG_RENDERER_TYPE)
-
-GdkPixbuf *
-gog_renderer_cairo_get_pixbuf (GogRendererCairo *crend)
-{
- g_return_val_if_fail (crend != NULL, NULL);
-
- return crend->pixbuf;
-}
-
-static gboolean
-grc_cairo_setup (GogRendererCairo *crend, int w, int h)
-{
- cairo_surface_t *surface;
-
- if (w == crend->w && h == crend->h)
- return (w != 0 && h!= 0);
-
- if (crend->cairo != NULL) {
- surface = cairo_get_target (crend->cairo);
- cairo_surface_destroy (surface);
- cairo_destroy (crend->cairo);
- crend->cairo = NULL;
- }
- if (crend->pixbuf != NULL) {
- g_object_unref (crend->pixbuf);
- crend->pixbuf = NULL;
- }
- crend->w = w;
- crend->h = h;
-
- if (w ==0 || h == 0)
- return FALSE;
-
- crend->pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8, crend->w, crend->h);
- if (crend->pixbuf == NULL) {
- g_warning ("GogRendererCairo::cairo_setup: chart is too large");
- return FALSE;
- }
-
- surface = cairo_image_surface_create_for_data (gdk_pixbuf_get_pixels (crend->pixbuf),
- CAIRO_FORMAT_ARGB32,
- crend->w, crend->h,
- gdk_pixbuf_get_rowstride (crend->pixbuf));
- crend->cairo = cairo_create (surface);
- cairo_set_line_join (crend->cairo, CAIRO_LINE_JOIN_ROUND);
- cairo_set_line_cap (crend->cairo, CAIRO_LINE_CAP_ROUND);
-
- return TRUE;
-}
-
-/**
- * gog_renderer_update :
- * @prend :
- * @w :
- * @h :
- *
- * Returns TRUE if the size actually changed.
- **/
-gboolean
-gog_renderer_cairo_update (GogRendererCairo *crend, int w, int h, double zoom)
-{
- GogGraph *graph;
- GogView *view;
- GogViewAllocation allocation;
- gboolean redraw = TRUE;
- gboolean size_changed;
-
- g_return_val_if_fail (crend != NULL, FALSE);
- g_return_val_if_fail (crend->base.view != NULL, FALSE);
-
- size_changed = crend->w != w || crend->h != h;
-
- view = crend->base.view;
- graph = GOG_GRAPH (view->model);
- gog_graph_force_update (graph);
- allocation.x = allocation.y = 0.;
- allocation.w = w;
- allocation.h = h;
- if (!grc_cairo_setup (crend, w, h))
- return redraw;
-
- if (size_changed) {
- crend->base.scale_x = w / graph->width;
- crend->base.scale_y = h / graph->height;
- crend->base.scale = MIN (crend->base.scale_x, crend->base.scale_y);
- crend->base.zoom = zoom;
-
- /* make sure we dont try to queue an update while updating */
- crend->base.needs_update = TRUE;
-
- /* scale just changed need to recalculate sizes */
- gog_renderer_invalidate_size_requests (&crend->base);
- gog_view_size_allocate (view, &allocation);
- } else
- if (w != view->allocation.w || h != view->allocation.h)
- gog_view_size_allocate (view, &allocation);
- else
- redraw = gog_view_update_sizes (view);
-
- redraw |= crend->base.needs_update;
- crend->base.needs_update = FALSE;
-
- if (redraw) {
- cairo_rectangle (crend->cairo, 0, 0, w, h);
- cairo_set_source_rgba (crend->cairo, 1, 1, 1, 0);
- cairo_fill (crend->cairo);
-
- gog_view_render (view, NULL);
-
- grc_invert_pixbuf_RB (gdk_pixbuf_get_pixels (crend->pixbuf), w, h,
- gdk_pixbuf_get_rowstride (crend->pixbuf));
- }
-
- return redraw;
-}
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