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Diffstat (limited to 'librsvg/test-ft.c')
| -rw-r--r-- | librsvg/test-ft.c | 418 |
1 files changed, 0 insertions, 418 deletions
diff --git a/librsvg/test-ft.c b/librsvg/test-ft.c deleted file mode 100644 index 710ad3047..000000000 --- a/librsvg/test-ft.c +++ /dev/null @@ -1,418 +0,0 @@ -/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- - - test-ft.c: Testbed for freetype/libart integration. - - Copyright (C) 2000 Eazel, Inc. - - This program 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; 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 - 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., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. - - Author: Raph Levien <raph@artofcode.com> -*/ - -#include <stdio.h> -#include <stdlib.h> -#include <png.h> -#include <popt.h> -#include <math.h> - -#include <gdk-pixbuf/gdk-pixbuf.h> - -#include <freetype/freetype.h> - -#include <libart_lgpl/art_misc.h> -#include <libart_lgpl/art_rect.h> -#include <libart_lgpl/art_alphagamma.h> -#include <libart_lgpl/art_affine.h> -#include <libart_lgpl/art_affine.h> -#include "art_render.h" -#include "art_render_mask.h" - -#include "rsvg.h" -#include "rsvg-ft.h" - -#if 0 -typedef struct _ArtMaskSourceFT ArtMaskSourceFT; - -struct _ArtMaskSourceFT { - ArtMaskSource super; - ArtRender *render; - art_boolean first; - const RsvgFTFont *font; - const char *text; -}; - -void -art_render_freetype(ArtRender * render, const RsvgFTFont * font, - const char *text, double sx, double sy, - const double affine[6]); - -static void -art_render_ft_done(ArtRenderCallback * self, ArtRender * render) -{ - art_free(self); -} - -static int -art_render_ft_can_drive(ArtMaskSource * self, ArtRender * render) -{ - return 0; -} - -static void -art_render_ft_render(ArtRenderCallback * self, ArtRender * render, - art_u8 * dest, int y) -{ -} - -static void -art_render_ft_prepare(ArtMaskSource *self, ArtRender *render, - art_boolean first) -{ - ArtMaskSourceFT *z = (ArtMaskSourceFT *) self; - - z->first = first; - z->super.super.render = art_render_ft_render; -} - -void -art_render_freetype(ArtRender * render, const RsvgFTFont *font, - const char *text, double sx, double sy, - const double affine[6]) -{ - ArtMaskSourceFT *mask_source = art_new(ArtMaskSourceFT, 1); - - mask_source->super.super.render = NULL; - mask_source->super.super.done = art_render_ft_done; - mask_source->super.can_drive = art_render_ft_can_drive; - mask_source->super.invoke_driver = NULL; - mask_source->super.prepare = art_render_ft_prepare; - mask_source->render = render; - mask_source->font = font; - mask_source->text = text; - - art_render_add_mask_source(render, &mask_source->super); -} -#endif - -/* The following routine is lifted wholesale from nautilus-icon-factory.c. - It should find a permanent home somewhere else, at which point it should - be deleted here and simply linked. -RLL -*/ - -/* utility routine for saving a pixbuf to a png file. - * This was adapted from Iain Holmes' code in gnome-iconedit, and probably - * should be in a utility library, possibly in gdk-pixbuf itself. - * - * It is split up into save_pixbuf_to_file and save_pixbuf_to_file_internal - * to work around a gcc warning about handle possibly getting clobbered by - * longjmp. Declaring handle 'volatile FILE *' didn't work as it should have. - */ -static gboolean -save_pixbuf_to_file_internal (GdkPixbuf *pixbuf, char *filename, FILE *handle) -{ - char *buffer; - gboolean has_alpha; - int width, height, depth, rowstride; - guchar *pixels; - png_structp png_ptr; - png_infop info_ptr; - png_text text[2]; - int i; - - png_ptr = png_create_write_struct (PNG_LIBPNG_VER_STRING, NULL, NULL, NULL); - if (png_ptr == NULL) { - return FALSE; - } - - info_ptr = png_create_info_struct (png_ptr); - if (info_ptr == NULL) { - png_destroy_write_struct (&png_ptr, (png_infopp)NULL); - return FALSE; - } - - if (setjmp (png_ptr->jmpbuf)) { - png_destroy_write_struct (&png_ptr, &info_ptr); - return FALSE; - } - - png_init_io (png_ptr, (FILE *)handle); - - has_alpha = gdk_pixbuf_get_has_alpha (pixbuf); - width = gdk_pixbuf_get_width (pixbuf); - height = gdk_pixbuf_get_height (pixbuf); - depth = gdk_pixbuf_get_bits_per_sample (pixbuf); - pixels = gdk_pixbuf_get_pixels (pixbuf); - rowstride = gdk_pixbuf_get_rowstride (pixbuf); - - png_set_IHDR (png_ptr, info_ptr, width, height, - depth, PNG_COLOR_TYPE_RGB_ALPHA, - PNG_INTERLACE_NONE, - PNG_COMPRESSION_TYPE_DEFAULT, - PNG_FILTER_TYPE_DEFAULT); - - /* Some text to go with the png image */ - text[0].key = "Title"; - text[0].text = filename; - text[0].compression = PNG_TEXT_COMPRESSION_NONE; - text[1].key = "Software"; - text[1].text = "Test-Rsvg"; - text[1].compression = PNG_TEXT_COMPRESSION_NONE; - png_set_text (png_ptr, info_ptr, text, 2); - - /* Write header data */ - png_write_info (png_ptr, info_ptr); - - /* if there is no alpha in the data, allocate buffer to expand into */ - if (has_alpha) { - buffer = NULL; - } else { - buffer = g_malloc(4 * width); - } - - /* pump the raster data into libpng, one scan line at a time */ - for (i = 0; i < height; i++) { - if (has_alpha) { - png_bytep row_pointer = pixels; - png_write_row (png_ptr, row_pointer); - } else { - /* expand RGB to RGBA using an opaque alpha value */ - int x; - char *buffer_ptr = buffer; - char *source_ptr = pixels; - for (x = 0; x < width; x++) { - *buffer_ptr++ = *source_ptr++; - *buffer_ptr++ = *source_ptr++; - *buffer_ptr++ = *source_ptr++; - *buffer_ptr++ = 255; - } - png_write_row (png_ptr, (png_bytep) buffer); - } - pixels += rowstride; - } - - png_write_end (png_ptr, info_ptr); - png_destroy_write_struct (&png_ptr, &info_ptr); - - g_free (buffer); - - return TRUE; -} - -static gboolean -save_pixbuf_to_file (GdkPixbuf *pixbuf, char *filename) -{ - FILE *handle; - gboolean result; - - g_return_val_if_fail (pixbuf != NULL, FALSE); - g_return_val_if_fail (filename != NULL, FALSE); - g_return_val_if_fail (filename[0] != '\0', FALSE); - - if (!strcmp (filename, "-")) { - handle = stdout; - } else { - handle = fopen (filename, "wb"); - } - - if (handle == NULL) { - return FALSE; - } - - result = save_pixbuf_to_file_internal (pixbuf, filename, handle); - if (!result || handle != stdout) - fclose (handle); - - return result; -} - -static void test_pixmap_destroy(guchar * pixels, gpointer data) -{ - g_free(pixels); -} - -#if 0 -/** - * pixbuf_from_rsvg_ft_glyph: Create a GdkPixbuf from a glyph. - * @glyph: The glyph to render as a pixbuf. - * @rgb: Foreground color for rendering. - * - * Renders a glyph as a transparent pixbuf, with foreground color @rgb. - * - * Return value: the resulting GdkPixbuf. - **/ -static GdkPixbuf * -pixbuf_from_rsvg_ft_glyph (RsvgFTGlyph *glyph, guint32 rgb) -{ - GdkPixbuf *pixbuf; - int width = glyph->x1 - glyph->x0; - int height = glyph->y1 - glyph->y0; - int rowstride; - art_u8 *pixels; - int x, y; - const guchar *src_line; - art_u8 *dst_line; - const art_u8 r = (rgb >> 16) & 0xff; - const art_u8 g = (rgb >> 8) & 0xff; - const art_u8 b = rgb & 0xff; - - fprintf (stderr, "xpen, ypen = (%f, %f)\n", glyph->xpen, glyph->ypen); - - rowstride = width << 2; - pixels = g_new (art_u8, rowstride * height); - src_line = glyph->buf; - dst_line = pixels; - for (y = 0; y < height; y++) { - for (x = 0; x < width; x++) { - dst_line[x * 4] = r; - dst_line[x * 4 + 1] = g; - dst_line[x * 4 + 2] = b; - dst_line[x * 4 + 3] = src_line[x]; - } - src_line += glyph->rowstride; - dst_line += rowstride; - } - pixbuf = gdk_pixbuf_new_from_data (pixels, - GDK_COLORSPACE_RGB, - 1, 8, - width, height, rowstride, - test_pixmap_destroy, - NULL); - return pixbuf; -} -#endif - -static GdkPixbuf * -glyph_render_test (RsvgFTGlyph *glyph, int glyph_xy[2]) { - GdkPixbuf *pixbuf; - art_u8 *pixels; - int width; - int height; - int rowstride; - ArtRender *render; - ArtPixMaxDepth color[3] = {ART_PIX_MAX_FROM_8(0x80), 0, 0 }; - - width = glyph->width; - height = glyph->height; - - width = 200; - height = 200; - - rowstride = width << 2; - pixels = g_new (art_u8, rowstride * height); - - render = art_render_new (0, 0, width, height, - pixels, rowstride, - 3, 8, ART_ALPHA_SEPARATE, NULL); - art_render_image_solid (render, color); - art_render_mask (render, - glyph_xy[0], glyph_xy[1], - glyph_xy[0] + glyph->width, glyph_xy[1] + glyph->height, - glyph->buf, glyph->rowstride); - art_render_invoke (render); - - pixbuf = gdk_pixbuf_new_from_data (pixels, - GDK_COLORSPACE_RGB, - 1, 8, - width, height, rowstride, - test_pixmap_destroy, - NULL); - return pixbuf; -} - -int main(int argc, char **argv) -{ - char *out_fn; - GdkPixbuf *pixbuf; - char *zoom_str = "1.0"; - int n_iter = 1; - - gint font_width = 36; - gint font_height = 36; - char *font_file_name = "/usr/share/fonts/default/Type1/n021003l.pfb"; - - poptContext optCtx; - struct poptOption optionsTable[] = - { - {"zoom", 'z', POPT_ARG_STRING, &zoom_str, 0, NULL, "zoom factor"}, - {"num-iter", 'n', POPT_ARG_INT, &n_iter, 0, NULL, "number of iterations"}, - {"font-width", 'w', POPT_ARG_INT, &font_width, 0, NULL, "Font Width"}, - {"font-height", 'h', POPT_ARG_INT, &font_height, 0, NULL, "Font Height"}, - {"font-file-name", 'f', POPT_ARG_STRING, &font_file_name, 0, NULL, "Font File Name"}, - POPT_AUTOHELP {NULL, 0, 0, NULL, 0} - }; - char c; - const char *const *args; - int i; - - RsvgFTCtx *ctx; - RsvgFTFontHandle fh; - -#if 1 - const double affine[6] = { .707, -.707, .707, .707, 10, 150 }; -#else - double affine[6]; - art_affine_identity (affine); -#endif - - optCtx = - poptGetContext("test-ft", argc, (const char **) argv, - optionsTable, 0); - - c = poptGetNextOpt(optCtx); - args = poptGetArgs(optCtx); - - if (args == NULL || args[0] == NULL) - out_fn = "-"; - else - out_fn = (char *) args[0]; - - ctx = rsvg_ft_ctx_new (); - fh = rsvg_ft_intern (ctx, font_file_name); - - for (i = 0; i < n_iter; i++) { - RsvgFTGlyph *glyph; - int glyph_xy[2]; - - - glyph = rsvg_ft_render_string (ctx, fh, - "graphic(s)", - strlen ("graphic(s)"), - font_width, - font_height, - affine, - glyph_xy); - -/* fprintf (stderr, "xpen, ypen = (%f, %f)\n", glyph->xpen, glyph->ypen); */ -/* fprintf (stderr, "glyph_xy = (%d, %d)\n", glyph_xy[0], glyph_xy[1]); */ - - glyph_xy[0] = 0; /* += glyph->xpen; */ - glyph_xy[1] = 0; /* += glyph->ypen; */ - - pixbuf = glyph_render_test (glyph, glyph_xy); - - if (pixbuf != NULL) { - if (n_iter > 1) - gdk_pixbuf_unref(pixbuf); - else - save_pixbuf_to_file(pixbuf, out_fn); - } else { - fprintf(stderr, "Error rendering.\n"); - return 1; - } - } - - return 0; -} |