rrd_update.c \
rrd_xport.c \
rrd_nan_inf.c \
+ art_rgba_rgba_affine.c \
+ art_rgba_svp.c \
+ art_rgb_affine_private.h \
+ art_rgba_rgba_affine.h \
+ art_rgba_svp.h \
rrd_gfx.c rrd_gfx.h \
rrd_afm.c rrd_afm_data.c \
getopt.h parsetime.h \
rrdtool_DEPENDENCIES = rrd_tool.o
rrdtool_LDADD = librrd.la
-EXTRA_DIST= rrdtool.dsp rrdtool.dsw $(fonts_DATA)
+# strftime is here because we do not usually need it. unices have propper
+# iso date support
+EXTRA_DIST= rrdtool.dsp rrdtool.dsw strftime.c strftime.h $(fonts_DATA)
--- /dev/null
+/* Libart_LGPL - library of basic graphic primitives
+ * Copyright (C) 1998 Raph Levien
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __ART_RGB_AFFINE_PRIVATE_H__
+#define __ART_RGB_AFFINE_PRIVATE_H__
+
+/* This module handles compositing of affine-transformed rgb images
+ over rgb pixel buffers. */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void
+art_rgb_affine_run (int *p_x0, int *p_x1, int y,
+ int src_width, int src_height,
+ const double affine[6]);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
--- /dev/null
+#define ART_RGBA_RGBA_AFFINE_C
+
+/* Libart_LGPL - library of basic graphic primitives
+ * Copyright (C) 1998 Raph Levien
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include <math.h>
+#include <libart_lgpl/art_misc.h>
+#include <libart_lgpl/art_point.h>
+#include <libart_lgpl/art_affine.h>
+
+#include "art_rgb_affine_private.h"
+#include "art_rgba_rgba_affine.h"
+
+/* This module handles compositing of affine-transformed rgba images
+ over rgba pixel buffers. */
+
+/* Composite the source image over the destination image, applying the
+ affine transform. */
+
+/**
+ * gnome_print_art_rgba_rgba_affine: Affine transform source RGBA image and composite.
+ * @dst: Destination image RGB buffer.
+ * @x0: Left coordinate of destination rectangle.
+ * @y0: Top coordinate of destination rectangle.
+ * @x1: Right coordinate of destination rectangle.
+ * @y1: Bottom coordinate of destination rectangle.
+ * @dst_rowstride: Rowstride of @dst buffer.
+ * @src: Source image RGBA buffer.
+ * @src_width: Width of source image.
+ * @src_height: Height of source image.
+ * @src_rowstride: Rowstride of @src buffer.
+ * @affine: Affine transform.
+ * @level: Filter level.
+ * @alphagamma: #ArtAlphaGamma for gamma-correcting the compositing.
+ *
+ * Affine transform the source image stored in @src, compositing over
+ * the area of destination image @dst specified by the rectangle
+ * (@x0, @y0) - (@x1, @y1). As usual in libart, the left and top edges
+ * of this rectangle are included, and the right and bottom edges are
+ * excluded.
+ *
+ * The @alphagamma parameter specifies that the alpha compositing be
+ * done in a gamma-corrected color space. In the current
+ * implementation, it is ignored.
+ *
+ * The @level parameter specifies the speed/quality tradeoff of the
+ * image interpolation. Currently, only ART_FILTER_NEAREST is
+ * implemented.
+ **/
+void
+gnome_print_art_rgba_rgba_affine (art_u8 *dst,
+ int x0, int y0, int x1, int y1, int dst_rowstride,
+ const art_u8 *src,
+ int src_width, int src_height, int src_rowstride,
+ const double affine[6],
+ ArtFilterLevel level,
+ ArtAlphaGamma *alphagamma)
+{
+ /* Note: this is a slow implementation, and is missing all filter
+ levels other than NEAREST. It is here for clarity of presentation
+ and to establish the interface. */
+ int x, y;
+ double inv[6];
+ art_u8 *dst_p, *dst_linestart;
+ const art_u8 *src_p;
+ ArtPoint pt, src_pt;
+ int src_x, src_y;
+ int alpha;
+ art_u8 bg_r, bg_g, bg_b, bg_a, cr, cg, cb;
+ art_u8 fg_r, fg_g, fg_b;
+ int tmp;
+ int run_x0, run_x1;
+
+ dst_linestart = dst;
+ art_affine_invert (inv, affine);
+ for (y = y0; y < y1; y++)
+ {
+ pt.y = y + 0.5;
+ run_x0 = x0;
+ run_x1 = x1;
+ art_rgb_affine_run (&run_x0, &run_x1, y, src_width, src_height,
+ inv);
+ dst_p = dst_linestart + (run_x0 - x0) * 4;
+ for (x = run_x0; x < run_x1; x++)
+ {
+ pt.x = x + 0.5;
+ art_affine_point (&src_pt, &pt, inv);
+ src_x = floor (src_pt.x);
+ src_y = floor (src_pt.y);
+ src_p = src + (src_y * src_rowstride) + src_x * 4;
+ if (src_x >= 0 && src_x < src_width &&
+ src_y >= 0 && src_y < src_height)
+ {
+
+ alpha = src_p[3];
+ if (alpha)
+ {
+ if (alpha == 255)
+ {
+ dst_p[0] = src_p[0];
+ dst_p[1] = src_p[1];
+ dst_p[2] = src_p[2];
+ dst_p[3] = 255;
+ }
+ else
+ {
+ bg_r = dst_p[0];
+ bg_g = dst_p[1];
+ bg_b = dst_p[2];
+ bg_a = dst_p[3];
+
+ cr = (bg_r * bg_a + 0x80) >> 8;
+ cg = (bg_g * bg_g + 0x80) >> 8;
+ cb = (bg_b * bg_b + 0x80) >> 8;
+
+ tmp = (src_p[0] - bg_r) * alpha;
+ fg_r = bg_r + ((tmp + (tmp >> 8) + 0x80) >> 8);
+ tmp = (src_p[1] - bg_g) * alpha;
+ fg_g = bg_g + ((tmp + (tmp >> 8) + 0x80) >> 8);
+ tmp = (src_p[2] - bg_b) * alpha;
+ fg_b = bg_b + ((tmp + (tmp >> 8) + 0x80) >> 8);
+
+ dst_p[0] = fg_r;
+ dst_p[1] = fg_g;
+ dst_p[2] = fg_b;
+ dst_p[3] = bg_a + (((255 - bg_a) * alpha + 0x80) >> 8);
+ }
+ }
+ } else { dst_p[0] = 255; dst_p[1] = 0; dst_p[2] = 0; dst_p[3] = 255;}
+ dst_p += 4;
+ }
+ dst_linestart += dst_rowstride;
+ }
+}
--- /dev/null
+#ifndef SP_ART_RGBA_RGBA_AFFINE_H
+#define SP_ART_RGBA_RGBA_AFFINE_H
+
+/*
+ * Lauris Kaplinski <lauris@ariman.ee>
+ *
+ * A slightly modified version of art_rgb_rgba_affine to render into
+ * rgba buffer
+ */
+
+/* Libart_LGPL - library of basic graphic primitives
+ * Copyright (C) 1998 Raph Levien
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include <math.h>
+#include <libart_lgpl/art_misc.h>
+#include <libart_lgpl/art_filterlevel.h>
+#include <libart_lgpl/art_alphagamma.h>
+
+/* This module handles compositing of affine-transformed rgba images
+ over rgb pixel buffers. */
+
+/* Composite the source image over the destination image, applying the
+ affine transform. */
+
+/**
+ * gnome_print_art_rgba_rgba_affine: Affine transform source RGBA image and composite.
+ * @dst: Destination image RGBA buffer.
+ * @x0: Left coordinate of destination rectangle.
+ * @y0: Top coordinate of destination rectangle.
+ * @x1: Right coordinate of destination rectangle.
+ * @y1: Bottom coordinate of destination rectangle.
+ * @dst_rowstride: Rowstride of @dst buffer.
+ * @src: Source image RGBA buffer.
+ * @src_width: Width of source image.
+ * @src_height: Height of source image.
+ * @src_rowstride: Rowstride of @src buffer.
+ * @affine: Affine transform.
+ * @level: Filter level.
+ * @alphagamma: #ArtAlphaGamma for gamma-correcting the compositing.
+ *
+ * Affine transform the source image stored in @src, compositing over
+ * the area of destination image @dst specified by the rectangle
+ * (@x0, @y0) - (@x1, @y1). As usual in libart, the left and top edges
+ * of this rectangle are included, and the right and bottom edges are
+ * excluded.
+ *
+ * The @alphagamma parameter specifies that the alpha compositing be
+ * done in a gamma-corrected color space. In the current
+ * implementation, it is ignored.
+ *
+ * The @level parameter specifies the speed/quality tradeoff of the
+ * image interpolation. Currently, only ART_FILTER_NEAREST is
+ * implemented.
+ **/
+void
+gnome_print_art_rgba_rgba_affine (art_u8 *dst,
+ int x0, int y0, int x1, int y1, int dst_rowstride,
+ const art_u8 *src,
+ int src_width, int src_height, int src_rowstride,
+ const double affine[6],
+ ArtFilterLevel level,
+ ArtAlphaGamma *alphagamma);
+
+#endif
--- /dev/null
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/*
+ * art_rgba_svp.c: A slightly modified version of art_rgb_svp to render into rgba buffer
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public License
+ * as published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * 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 Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * Authors:
+ * Raph Levien <raph@acm.org>
+ * Lauris Kaplinski <lauris@ariman.ee>
+ *
+ * Copyright (C) 1998 Raph Levien
+ *
+ */
+
+#define SP_ART_RGBA_SVP_C
+
+/* Render a sorted vector path into an RGBA buffer. */
+
+#include <libart_lgpl/art_misc.h>
+#include <libart_lgpl/art_svp.h>
+#include <libart_lgpl/art_svp_render_aa.h>
+#include <libart_lgpl/art_rgb.h>
+
+#include "art_rgba_svp.h"
+
+static void art_rgba_fill_run (art_u8 * linebuf, art_u8 r, art_u8 g, art_u8 b, int n);
+static void art_rgba_run_alpha (art_u8 * linebuf, art_u8 r, art_u8 g, art_u8 b, int alpha, int n);
+
+typedef struct _ArtRgbaSVPAlphaData ArtRgbaSVPAlphaData;
+
+struct _ArtRgbaSVPAlphaData {
+ int alphatab[256];
+ art_u8 r, g, b, alpha;
+ art_u8 *buf;
+ int rowstride;
+ int x0, x1;
+};
+
+static void
+art_rgba_svp_alpha_callback (void *callback_data, int y,
+ int start, ArtSVPRenderAAStep *steps, int n_steps)
+{
+ ArtRgbaSVPAlphaData *data = callback_data;
+ art_u8 *linebuf;
+ int run_x0, run_x1;
+ art_u32 running_sum = start;
+ int x0, x1;
+ int k;
+ art_u8 r, g, b;
+ int *alphatab;
+ int alpha;
+
+ linebuf = data->buf;
+ x0 = data->x0;
+ x1 = data->x1;
+
+ r = data->r;
+ g = data->g;
+ b = data->b;
+ alphatab = data->alphatab;
+
+ if (n_steps > 0)
+ {
+ run_x1 = steps[0].x;
+ if (run_x1 > x0)
+ {
+ alpha = (running_sum >> 16) & 0xff;
+ if (alpha)
+ art_rgba_run_alpha (linebuf,
+ r, g, b, alphatab[alpha],
+ run_x1 - x0);
+ }
+
+ /* render the steps into tmpbuf */
+ for (k = 0; k < n_steps - 1; k++)
+ {
+ running_sum += steps[k].delta;
+ run_x0 = run_x1;
+ run_x1 = steps[k + 1].x;
+ if (run_x1 > run_x0)
+ {
+ alpha = (running_sum >> 16) & 0xff;
+ if (alpha)
+ art_rgba_run_alpha (linebuf + (run_x0 - x0) * 4,
+ r, g, b, alphatab[alpha],
+ run_x1 - run_x0);
+ }
+ }
+ running_sum += steps[k].delta;
+ if (x1 > run_x1)
+ {
+ alpha = (running_sum >> 16) & 0xff;
+ if (alpha)
+ art_rgba_run_alpha (linebuf + (run_x1 - x0) * 4,
+ r, g, b, alphatab[alpha],
+ x1 - run_x1);
+ }
+ }
+ else
+ {
+ alpha = (running_sum >> 16) & 0xff;
+ if (alpha)
+ art_rgba_run_alpha (linebuf,
+ r, g, b, alphatab[alpha],
+ x1 - x0);
+ }
+
+ data->buf += data->rowstride;
+}
+
+static void
+art_rgba_svp_alpha_opaque_callback (void *callback_data, int y,
+ int start,
+ ArtSVPRenderAAStep *steps, int n_steps)
+{
+ ArtRgbaSVPAlphaData *data = callback_data;
+ art_u8 *linebuf;
+ int run_x0, run_x1;
+ art_u32 running_sum = start;
+ int x0, x1;
+ int k;
+ art_u8 r, g, b;
+ int *alphatab;
+ int alpha;
+
+ linebuf = data->buf;
+ x0 = data->x0;
+ x1 = data->x1;
+
+ r = data->r;
+ g = data->g;
+ b = data->b;
+ alphatab = data->alphatab;
+
+ if (n_steps > 0)
+ {
+ run_x1 = steps[0].x;
+ if (run_x1 > x0)
+ {
+ alpha = running_sum >> 16;
+ if (alpha)
+ {
+ if (alpha >= 255)
+ art_rgba_fill_run (linebuf,
+ r, g, b,
+ run_x1 - x0);
+ else
+ art_rgba_run_alpha (linebuf,
+ r, g, b, alphatab[alpha],
+ run_x1 - x0);
+ }
+ }
+
+ /* render the steps into tmpbuf */
+ for (k = 0; k < n_steps - 1; k++)
+ {
+ running_sum += steps[k].delta;
+ run_x0 = run_x1;
+ run_x1 = steps[k + 1].x;
+ if (run_x1 > run_x0)
+ {
+ alpha = running_sum >> 16;
+ if (alpha)
+ {
+ if (alpha >= 255)
+ art_rgba_fill_run (linebuf + (run_x0 - x0) * 4,
+ r, g, b,
+ run_x1 - run_x0);
+ else
+ art_rgba_run_alpha (linebuf + (run_x0 - x0) * 4,
+ r, g, b, alphatab[alpha],
+ run_x1 - run_x0);
+ }
+ }
+ }
+ running_sum += steps[k].delta;
+ if (x1 > run_x1)
+ {
+ alpha = running_sum >> 16;
+ if (alpha)
+ {
+ if (alpha >= 255)
+ art_rgba_fill_run (linebuf + (run_x1 - x0) * 4,
+ r, g, b,
+ x1 - run_x1);
+ else
+ art_rgba_run_alpha (linebuf + (run_x1 - x0) * 4,
+ r, g, b, alphatab[alpha],
+ x1 - run_x1);
+ }
+ }
+ }
+ else
+ {
+ alpha = running_sum >> 16;
+ if (alpha)
+ {
+ if (alpha >= 255)
+ art_rgba_fill_run (linebuf,
+ r, g, b,
+ x1 - x0);
+ else
+ art_rgba_run_alpha (linebuf,
+ r, g, b, alphatab[alpha],
+ x1 - x0);
+ }
+ }
+
+ data->buf += data->rowstride;
+}
+
+/**
+ * gnome_print_art_rgba_svp_alpha: Alpha-composite sorted vector path over RGBA buffer.
+ * @svp: The source sorted vector path.
+ * @x0: Left coordinate of destination rectangle.
+ * @y0: Top coordinate of destination rectangle.
+ * @x1: Right coordinate of destination rectangle.
+ * @y1: Bottom coordinate of destination rectangle.
+ * @rgba: Color in 0xRRGGBBAA format.
+ * @buf: Destination RGB buffer.
+ * @rowstride: Rowstride of @buf buffer.
+ * @alphagamma: #ArtAlphaGamma for gamma-correcting the compositing.
+ *
+ * Renders the shape specified with @svp over the @buf RGB buffer.
+ * @x1 - @x0 specifies the width, and @y1 - @y0 specifies the height,
+ * of the rectangle rendered. The new pixels are stored starting at
+ * the first byte of @buf. Thus, the @x0 and @y0 parameters specify
+ * an offset within @svp, and may be tweaked as a way of doing
+ * integer-pixel translations without fiddling with @svp itself.
+ *
+ * The @rgba argument specifies the color for the rendering. Pixels of
+ * entirely 0 winding number are left untouched. Pixels of entirely
+ * 1 winding number have the color @rgba composited over them (ie,
+ * are replaced by the red, green, blue components of @rgba if the alpha
+ * component is 0xff). Pixels of intermediate coverage are interpolated
+ * according to the rule in @alphagamma, or default to linear if
+ * @alphagamma is NULL.
+ **/
+void
+gnome_print_art_rgba_svp_alpha (const ArtSVP *svp,
+ int x0, int y0, int x1, int y1,
+ art_u32 rgba,
+ art_u8 *buf, int rowstride,
+ ArtAlphaGamma *alphagamma)
+{
+ ArtRgbaSVPAlphaData data;
+ int r, g, b, alpha;
+ int i;
+ int a, da;
+
+ r = rgba >> 24;
+ g = (rgba >> 16) & 0xff;
+ b = (rgba >> 8) & 0xff;
+ alpha = rgba & 0xff;
+
+ data.r = r;
+ data.g = g;
+ data.b = b;
+ data.alpha = alpha;
+
+ a = 0x8000;
+ da = (alpha * 66051 + 0x80) >> 8; /* 66051 equals 2 ^ 32 / (255 * 255) */
+
+ for (i = 0; i < 256; i++)
+ {
+ data.alphatab[i] = a >> 16;
+ a += da;
+ }
+
+ data.buf = buf;
+ data.rowstride = rowstride;
+ data.x0 = x0;
+ data.x1 = x1;
+ if (alpha == 255)
+ art_svp_render_aa (svp, x0, y0, x1, y1, art_rgba_svp_alpha_opaque_callback,
+ &data);
+ else
+ art_svp_render_aa (svp, x0, y0, x1, y1, art_rgba_svp_alpha_callback, &data);
+}
+
+static void
+art_rgba_fill_run (art_u8 * buf, art_u8 r, art_u8 g, art_u8 b, int n)
+{
+ int i;
+
+ for (i = 0; i < n; i++) {
+ * buf++ = r;
+ * buf++ = g;
+ * buf++ = b;
+ * buf++ = 255;
+ }
+}
+
+/* fixme: this */
+
+static void
+art_rgba_run_alpha (art_u8 * buf, art_u8 r, art_u8 g, art_u8 b, int alpha, int n)
+{
+ int i;
+ int br, bg, bb, ba;
+ int cr, cg, cb;
+
+ for (i = 0; i < n; i++) {
+ br = * (buf + 0);
+ bg = * (buf + 1);
+ bb = * (buf + 2);
+ ba = * (buf + 3);
+
+ cr = (br * ba + 0x80) >> 8;
+ cg = (bg * ba + 0x80) >> 8;
+ cb = (bb * ba + 0x80) >> 8;
+
+ * buf++ = cr + (((r - cr) * alpha + 0x80) >> 8);
+ * buf++ = cg + (((g - cg) * alpha + 0x80) >> 8);
+ * buf++ = cb + (((b - cb) * alpha + 0x80) >> 8);
+ * buf++ = ba + (((255 - ba) * alpha + 0x80) >> 8);
+ }
+}
+
+
--- /dev/null
+#ifndef SP_ART_RGBA_SVP_H
+#define SP_ART_RGBA_SVP_H
+
+#include <libart_lgpl/art_misc.h>
+#include <libart_lgpl/art_alphagamma.h>
+#include <libart_lgpl/art_affine.h>
+#include <libart_lgpl/art_svp.h>
+#include <libart_lgpl/art_uta.h>
+
+void
+gnome_print_art_rgba_svp_alpha (const ArtSVP *svp,
+ int x0, int y0, int x1, int y1,
+ art_u32 rgba,
+ art_u8 *buf, int rowstride,
+ ArtAlphaGamma *alphagamma);
+
+#endif /* SP_ART_RGBA_SVP_H */
node->points = 0;
node->points_max =0;
node->closed_path = 0;
- node->svp = NULL; /* svp */
node->filename = NULL; /* font or image filename */
node->text = NULL;
node->x = 0.0;
if (vec == NULL) return NULL;
vec[0].code = ART_MOVETO_OPEN; vec[0].x=X0+LINEOFFSET; vec[0].y=Y0+LINEOFFSET;
vec[1].code = ART_LINETO; vec[1].x=X1+LINEOFFSET; vec[1].y=Y1+LINEOFFSET;
- vec[2].code = ART_END;
+ vec[2].code = ART_END; vec[2].x=0;vec[2].y=0;
node->points = 3;
node->points_max = 3;
vec[1].code = ART_LINETO; vec[1].x=X1; vec[1].y=Y1;
vec[2].code = ART_LINETO; vec[2].x=X2; vec[2].y=Y2;
vec[3].code = ART_LINETO; vec[3].x=X0; vec[3].y=Y0;
- vec[4].code = ART_END;
+ vec[4].code = ART_END; vec[4].x=0; vec[4].y=0;
node->points = 5;
node->points_max = 5;
FT_Library library;
gfx_node_t *node = canvas->firstnode;
+ /*
art_u8 red = background >> 24, green = (background >> 16) & 0xff;
art_u8 blue = (background >> 8) & 0xff, alpha = ( background & 0xff );
+ */
unsigned long pys_width = width * canvas->zoom;
unsigned long pys_height = height * canvas->zoom;
- const int bytes_per_pixel = 3;
+ const int bytes_per_pixel = 4;
unsigned long rowstride = pys_width*bytes_per_pixel; /* bytes per pixel */
art_u8 *buffer = art_new (art_u8, rowstride*pys_height);
- art_rgb_run_alpha (buffer, red, green, blue, alpha, pys_width*pys_height);
+ /* fill that buffer with out background color */
+ gfx_color_t *buffp;
+ long i;
+ for (i=0,buffp=(gfx_color_t *)buffer;
+ i<pys_width*pys_height;
+ i++){
+ *(buffp++)=background;
+ }
FT_Init_FreeType( &library );
while(node){
switch (node->type) {
} else {
svp = art_svp_from_vpath ( pvec );
svpt = art_svp_uncross( svp );
- art_free(svp);
+ art_svp_free(svp);
svp = art_svp_rewind_uncrossed(svpt,ART_WIND_RULE_NONZERO);
- art_free(svpt);
+ art_svp_free(svpt);
}
art_free(pvec);
- art_rgb_svp_alpha (svp ,0,0, pys_width, pys_height,
- node->color, buffer, rowstride, NULL);
- art_free(svp);
+ /* this is from gnome since libart does not have this yet */
+ gnome_print_art_rgba_svp_alpha (svp ,0,0, pys_width, pys_height,
+ node->color, buffer, rowstride, NULL);
+ art_svp_free(svp);
break;
}
case GFX_TEXT: {
unsigned int n;
int error;
- art_u8 fcolor[3],falpha;
+ art_u8 fcolor[4],falpha;
FT_Face face;
gfx_char glyph;
gfx_string string;
float pen_x = 0.0 , pen_y = 0.0;
/* double x,y; */
- long ix,iy,iz;
+ long ix,iy;
fcolor[0] = node->color >> 24;
fcolor[1] = (node->color >> 16) & 0xff;
int gr;
FT_Glyph image;
FT_BitmapGlyph bit;
-
+ /* long buf_x,comp_n; */
/* make copy to transform */
if (! glyph->image) {
fprintf (stderr, "no image\n");
FT_Vector_Transform (&vec, &string->transform);
bit = (FT_BitmapGlyph) image;
-
gr = bit->bitmap.num_grays -1;
- for (iy=0; iy < bit->bitmap.rows; iy++){
+/*
+ buf_x = (pen_x + 0.5) + (double)bit->left;
+ comp_n = buf_x + bit->bitmap.width > pys_width ? pys_width - buf_x : bit->bitmap.width;
+ if (buf_x < 0 || buf_x >= (long)pys_width) continue;
+ buf_x *= bytes_per_pixel ;
+ for (iy=0; iy < bit->bitmap.rows; iy++){
+ long buf_y = iy+(pen_y+0.5)-(double)bit->top;
+ if (buf_y < 0 || buf_y >= (long)pys_height) continue;
+ buf_y *= rowstride;
+ for (ix=0;ix < bit->bitmap.width;ix++){
+ *(letter + (ix*bytes_per_pixel+3)) = *(bit->bitmap.buffer + iy * bit->bitmap.width + ix);
+ }
+ art_rgba_rgba_composite(buffer + buf_y + buf_x ,letter,comp_n);
+ }
+ art_free(letter);
+*/
+
+ for (iy=0; iy < bit->bitmap.rows; iy++){
+ long buf_y = iy+(pen_y+0.5)-bit->top;
+ if (buf_y < 0 || buf_y >= (long)pys_height) continue;
+ buf_y *= rowstride;
+ for (ix=0;ix < bit->bitmap.width;ix++){
+ long buf_x = ix + (pen_x + 0.5) + (double)bit->left ;
+ art_u8 font_alpha;
+
+ if (buf_x < 0 || buf_x >= (long)pys_width) continue;
+ buf_x *= bytes_per_pixel ;
+ font_alpha = *(bit->bitmap.buffer + iy * bit->bitmap.width + ix);
+ if (font_alpha > 0){
+ fcolor[3] = (art_u8)((double)font_alpha / gr * falpha);
+ art_rgba_rgba_composite(buffer + buf_y + buf_x ,fcolor,1);
+ }
+ }
+ }
+
+/*
+ for (iy=0; iy < bit->bitmap.rows; iy++){
long buf_y = iy+(pen_y+0.5)-bit->top;
if (buf_y < 0 || buf_y >= (long)pys_height) continue;
buf_y *= rowstride;
}
}
}
+*/
FT_Done_Glyph (image);
}
gfx_string_destroy(string);
while(node){
next = node->next;
art_free(node->path);
- art_free(node->svp);
free(node->text);
free(node->filename);
art_free(node);
node = next;
}
+ art_free(canvas);
return 0;
}
if (info_ptr == NULL)
{
+ png_free(png_ptr,row_pointers);
png_destroy_write_struct(&png_ptr, (png_infopp)NULL);
return (1);
}
png_init_io(png_ptr, fp);
png_set_IHDR (png_ptr, info_ptr,width, height,
- 8, PNG_COLOR_TYPE_RGB,
+ 8, PNG_COLOR_TYPE_RGB_ALPHA,
PNG_INTERLACE_NONE,
PNG_COMPRESSION_TYPE_DEFAULT,
PNG_FILTER_TYPE_DEFAULT);
png_set_text (png_ptr, info_ptr, text, 1);
/* lets make this fast */
+ png_set_filter(png_ptr,0,PNG_FILTER_NONE);
png_set_compression_level(png_ptr,1);
- png_set_filter(png_ptr,PNG_FILTER_TYPE_BASE,PNG_NO_FILTERS);
+ png_set_compression_strategy(png_ptr,Z_HUFFMAN_ONLY);
/*
png_set_filter(png_ptr,PNG_FILTER_TYPE_BASE,PNG_FILTER_SUB);
png_set_compression_strategy(png_ptr,Z_HUFFMAN_ONLY);
png_write_image(png_ptr, row_pointers);
png_write_end(png_ptr, info_ptr);
+ png_free(png_ptr,row_pointers);
png_destroy_write_struct(&png_ptr, &info_ptr);
return 1;
}
#define LIBART_COMPILATION
#include <libart_lgpl/libart.h>
+#include <libart_lgpl/art_rgba.h>
+#include "art_rgba_svp.h"
enum gfx_if_en {IF_PNG=0,IF_SVG,IF_EPS,IF_PDF};
enum gfx_en { GFX_LINE=0,GFX_AREA,GFX_TEXT };
gfx_color_t color; /* color of element 0xRRGGBBAA alpha 0xff is solid*/
double size; /* font size, line width */
double dash_on, dash_off; /* dash line fragments lengths */
- ArtVpath *path; /* path */
int closed_path;
int points;
int points_max;
- ArtSVP *svp; /* svp */
char *filename; /* font or image filename */
char *text;
+ ArtVpath *path; /* path */
double x,y; /* position */
double angle; /* text angle */
enum gfx_h_align_en halign; /* text alignement */
#ifdef HAVE_SETLOCALE
setlocale(LC_TIME,"");
#endif
-
+ im->yorigin=0;
+ im->xorigin=0;
+ im->minval=0;
im->xlab_user.minsec = -1;
im->ximg=0;
im->yimg=0;