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comment	@ * @;


1.10
date	2005.06.03.19.09.35;	author krh;	state Exp;
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next	1.9;
commitid	629942a0aaec4567;

1.9
date	2005.05.11.21.15.31;	author otaylor;	state Exp;
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commitid	4fe428275f24567;

1.8
date	2005.05.03.02.22.48;	author krh;	state Exp;
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commitid	33124276e0734567;

1.7
date	2005.04.21.21.01.37;	author cworth;	state Exp;
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commitid	1b2e426814b04567;

1.6
date	2005.01.11.22.38.03;	author pippin;	state Exp;
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next	1.5;

1.5
date	2004.10.13.18.24.11;	author cworth;	state Exp;
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1.4
date	2004.06.07.01.02.35;	author pippin;	state Exp;
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1.3
date	2004.05.20.13.17.20;	author pippin;	state Exp;
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1.2
date	2004.05.19.18.11.24;	author pippin;	state Exp;
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1.1
date	2004.05.16.19.09.50;	author pippin;	state Exp;
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next	;


desc
@@


1.10
log
@2005-06-03  Kristian Høgsberg  <krh@@redhat.com>

        * cairo_snippets_html.c: Update html snippets.

        * snippets/pattern_fill.cairo: Remove this, was accidentally
        committed.
@
text
@/* small program to preprocess data for inclusion in cairo_snippets
 * (c) Øyvind Kolås, placed in the public domain
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#define SNIPPETS_DIR "snippets/"

#define MAX_SNIPPETS 512

char *snippet_name[MAX_SNIPPETS];
int   snippet_count=0;

static FILE *out;

static void
make_header (void)
{
    fprintf (out, "/* DO NOT EDIT!, file autogenerated by prepare_snippets, using *.cairo files */\n");
    fprintf (out, "#include \"snippets.h\"\n");
}

static void
make_index (void)
{
    int i;

    fprintf (out, "\n\nint snippet_count=%i;\n", snippet_count);
    fprintf (out, "\n");
    fprintf (out, "const char *snippet_name[%i]={\n", snippet_count+1);

    for (i=0;i<snippet_count;i++){
        fprintf (out, "\"%s\",\n", snippet_name[i]);
    }
    fprintf (out, "NULL\n");
    fprintf (out, "};\n");
}

static void
make_do_snippet (void)
{
    int i;

    fprintf (out, "\n\nvoid\n"
                  "snippet_do (cairo_t *cr, int snippet_no, int width, int height)\n"
                  "{\n"
                  "   switch (snippet_no) {\n");

    for (i=0;i<snippet_count;i++){
       char filename[40];
       char c;
       int  read;

       FILE *file;

       fprintf (out, "\n");
       fprintf (out, "     case %i:{ /* %s */\n\n\n", i, snippet_name[i]);

       sprintf (filename, SNIPPETS_DIR "%s.cairo", snippet_name[i]);
       file = fopen (filename, "r");

       while ((read=fread (&c, 1,1, file))){
           fprintf (out, "%c", c);

       }

       fclose (file);

       fprintf (out, "\n\n             }break;\n");
    }

    fprintf (out, "     default:\n"
                  "       fprintf (stderr, \"do_snippet: snippet_no %%i, out of range\\n\", snippet_no);\n");
    fprintf (out, "   }\n"
                  "}\n");
}

static void
make_snippet_source (void)
{
    int i;
    fprintf (out, "\n\nconst char *snippet_source[%i]={\n", snippet_count+1);

    for (i=0;i<snippet_count;i++){
       char filename[40];
       char c;
       int  read;

       FILE *file;

       fprintf (out, "\"");

       sprintf (filename, SNIPPETS_DIR "%s.cairo", snippet_name[i]);
       file = fopen (filename, "r");

       while ((read=fread (&c, 1,1, file))){
           switch (c){
                   case '\"':
                      fprintf (out, "\\\"");
                      break;
                   case '\n':
                      fprintf (out, "\\n\"\n\"");
                      break;
                   case '\\':
                      fprintf (out, "\\\\");
                      break;
                   default:
                      fprintf (out, "%c", c);
           }
       }
       fprintf (out, "\",\n");

       fclose (file);
    }
    fprintf (out, "NULL\n");
    fprintf (out, "};\n");
}

static void
make_util (void)
{
    fprintf (out, 
"int\n"
"snippet_name2no (const char *name)\n"
"{\n"
"        int i;\n"
"        for (i=0;i<snippet_count;i++)\n"
"                if (!strcmp(name, snippet_name[i]))\n"
"                        return i;\n"
"        fprintf (stderr, \"snippet_name2no: by name '%%s' not found\\n\", name);\n"
"        return -1;\n"
"}\n");


    fprintf (out,
"void\n"
"snippet_set_bg_png (cairo_t *cr, const char *file)\n"
"{\n"
"   int w,h;\n"
"   cairo_surface_t *image;\n"
"   image = cairo_image_surface_create_from_png (file);\n"
"   w = cairo_image_surface_get_width (image);\n"
"   h = cairo_image_surface_get_height (image);\n"
"   cairo_save (cr);\n"
"       cairo_scale (cr, 1.0/w, 1.0/h);\n"
"       cairo_set_source_surface (cr, image, 0, 0);\n"
"       cairo_paint (cr);\n"
"   cairo_restore (cr);\n"
"   cairo_surface_destroy (image);\n"
"}\n"
);

    fprintf (out,
"void\n"
"snippet_set_bg_svg (cairo_t *cr, const char *file)\n"
"{\n"
"   unsigned int width,height;\n"
"   svg_cairo_t *svgc;\n"
"   svg_cairo_create (&svgc);\n"
"   svg_cairo_parse (svgc, file);\n"
"   svg_cairo_get_size (svgc, &width, &height);\n"
"   cairo_save (cr);\n"
"     cairo_scale (cr, 1.0/width, 1.0/height);\n"
"     svg_cairo_render (svgc, cr);\n"
"   cairo_restore (cr);\n"
"   svg_cairo_destroy (svgc);\n"
"}\n"
);

    fprintf (out,
"void\n"
"snippet_normalize (cairo_t *cr, double width, double height)\n"
"{\n"
"    cairo_scale (cr, width, height);\n"
"    cairo_set_line_width (cr, 0.04);\n"
"}\n"
);


}

int
main (int argc, char **argv)
{
    char **cur_arg;
    char *basename, *slash;

    out   = fopen ("snippets.c", "w");

    cur_arg=&argv[1];
    while (*cur_arg) {
            if (*cur_arg[0]!='-'){
                char *name = strdup (*cur_arg);
                FILE *snippet = fopen (name, "r");
                if (!strstr (name, ".cairo") || !snippet) {
                        fprintf (stderr, "unable to open '%s' or snippet name doesn't end in .cairo\n", name);
                        exit (-1);
                }

                if (name) {
		    slash = strrchr (name, '/');
		    if (slash != NULL)
			basename = slash + 1;
		    else
			basename = name;
                    *strstr (name, ".cairo")='\0';
                    snippet_name[snippet_count++]=strdup (basename);
		    free (name);
                }
            }
            cur_arg++;
    }

    make_header ();
    make_index ();
    make_snippet_source ();
    make_do_snippet ();
    make_util ();

    fclose (out);

    return 0;
}
@


1.9
log
@2005-05-11  Owen Taylor  <otaylor@@redhat.com>

	* cairo_snippets_png.c cairo_snippets_ps.c cairo_snippets_win32.c
	snippets/*.cairo: Cairo API updates.

	* snippets.h: Remove a stray png-io.h include.

	* snippets/pattern_fill.cairo: Remove some unused extern
@
text
@d9 2
d61 1
a61 1
       sprintf (filename, "%s.cairo", snippet_name[i]);
d95 1
a95 1
       sprintf (filename, "%s.cairo", snippet_name[i]);
d188 1
d203 5
d209 2
a210 2
                    snippet_name[snippet_count++]=strdup (name);
                    free (name);
@


1.8
log
@2005-05-02  Kristian Høgsberg  <krh@@redhat.com>

        * png_io.c:
        * png_io.h:
        * cairo_snippets_png.c:
        * Makefile.am: Drop custom PNG IO functions and use cairo's new
        PNG functions.

        * prepare_snippets.c:
        * snippets/clip_image.cairo:
        * snippets/curve_rectangle.cairo:
        * snippets/fill_and_stroke.cairo:
        * snippets/fill_and_stroke2.cairo:
        * snippets/image.cairo:
        * snippets/imagepattern.cairo:
        * snippets/libsvg.cairo:
        * snippets/text.cairo: Port to cairos new group semantics by using
        cairo_fill_preserve() instead of cairo_save()/cairo_restore() to
        keep the current path after filling it.  Use
        cairo_image_surface_create_from_png() to load png files.  Fix
        pointer signedness in a couple of places.
@
text
@d146 2
a147 2
"       cairo_move_to (cr, 0,0);\n"
"       cairo_show_surface (cr, image,w,h);\n"
@


1.7
log
@
        * cairo_snippets_pdf.c:
        * cairo_snippets_ps.c:
        * prepare_snippets.c: (make_util):
        * snippets/arc.cairo:
        * snippets/arc_negative.cairo:
        * snippets/curve_rectangle.cairo:
        * snippets/curve_to.cairo:
        * snippets/operator_add.cairo:
        * snippets/operator_atop.cairo:
        * snippets/operator_atop_reverse.cairo:
        * snippets/operator_in.cairo:
        * snippets/operator_in_reverse.cairo:
        * snippets/operator_out.cairo:
        * snippets/operator_out_reverse.cairo:
        * snippets/operator_over.cairo:
        * snippets/operator_over_reverse.cairo:
        * snippets/operator_saturate.cairo:
        * snippets/operator_xor.cairo:
        * snippets/text.cairo:
        * snippets/text_align_center.cairo:
        * snippets/text_extents.cairo: Update for changes in the cairo
        API, including:

                Use 72.0 scale factor instead of 96.0
                Use unsigned char as appropriate
                Use cairo_set_source_rgba instead of cairo_set_rgb_color
                and cairo_set_alpha.
@
text
@d139 1
a139 2
"   int w,h,stride;\n"
"   unsigned char *buffer;\n"
d141 3
a143 2
"   buffer = read_png_argb32 (file, &w,&h, &stride);\n"
"   image = cairo_surface_create_for_image (buffer, CAIRO_FORMAT_ARGB32,w,h,stride);\n"
a149 1
"   free (buffer);\n"
d157 1
a157 1
"   int width,height;\n"
@


1.6
log
@added normalization function, and removed then redundant initialization code from snippets
@
text
@d140 1
a140 1
"   char *buffer;\n"
@


1.5
log
@
        * cairo_snippets_html.c (do_index): index() is a C library
        function, rename to do_index().

        * Makefile: Add -g -Wall -O2, to get good warnings.

        * cairo_snippets_html.c prepare_snippets.c: Fix warnings.

        * cairo_snippets_png.c: Allow individual snippet names
        to be specified on the command line.
@
text
@d45 1
a45 1
                  "snippet_do (cairo_t *cr, int snippet_no)\n"
d171 10
@


1.4
log
@escape back slashes correctly
@
text
@d6 1
d36 1
a36 1
    fprintf (out, "};\n", snippet_count);
d62 1
a62 1
       while (read=fread (&c, 1,1, file)){
d96 1
a96 1
       while (read=fread (&c, 1,1, file)){
d116 1
a116 1
    fprintf (out, "};\n", snippet_count);
d206 2
@


1.3
log
@added visual explaination for the parameters of the cairo_arc function
@
text
@d98 1
a98 1
                      fprintf (out, "\\\"", c);
d101 4
a104 1
                      fprintf (out, "\\n\"\n\"", c);
@


1.2
log
@added operator tests, and snipepts.ps, snippets.pdf to .cvsignore
@
text
@d150 17
a168 2


@


1.1
log
@initial import of cairo_snippets
@
text
@d129 21
@