Drop hb-test

This was a test binary to assist in developing
the hb-paint code. Not needed anymore, now that
hb-view has the same code in the cairo userfont
backend.
This commit is contained in:
Matthias Clasen 2022-12-18 15:13:55 -05:00 committed by Behdad Esfahbod
parent 85917e5b21
commit c65f580b93
2 changed files with 0 additions and 357 deletions

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@ -1,350 +0,0 @@
#include <hb.h>
#include <hb-ot.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <stdarg.h>
#include <cairo.h>
#include <math.h>
#include <unistd.h>
#include <assert.h>
#include "hb-cairo-utils.h"
static void
move_to (hb_draw_funcs_t *dfuncs,
cairo_t *cr,
hb_draw_state_t *st,
float to_x, float to_y,
void *)
{
cairo_move_to (cr,
(double) to_x, (double) to_y);
}
static void
line_to (hb_draw_funcs_t *dfuncs,
cairo_t *cr,
hb_draw_state_t *st,
float to_x, float to_y,
void *)
{
cairo_line_to (cr,
(double) to_x, (double) to_y);
}
static void
cubic_to (hb_draw_funcs_t *dfuncs,
cairo_t *cr,
hb_draw_state_t *st,
float control1_x, float control1_y,
float control2_x, float control2_y,
float to_x, float to_y,
void *)
{
cairo_curve_to (cr,
(double) control1_x, (double) control1_y,
(double) control2_x, (double) control2_y,
(double) to_x, (double) to_y);
}
static void
close_path (hb_draw_funcs_t *dfuncs,
cairo_t *cr,
hb_draw_state_t *st,
void *)
{
cairo_close_path (cr);
}
static hb_draw_funcs_t *
get_cairo_draw_funcs (void)
{
static hb_draw_funcs_t *funcs;
if (!funcs)
{
funcs = hb_draw_funcs_create ();
hb_draw_funcs_set_move_to_func (funcs, (hb_draw_move_to_func_t) move_to, NULL, NULL);
hb_draw_funcs_set_line_to_func (funcs, (hb_draw_line_to_func_t) line_to, NULL, NULL);
hb_draw_funcs_set_cubic_to_func (funcs, (hb_draw_cubic_to_func_t) cubic_to, NULL, NULL);
hb_draw_funcs_set_close_path_func (funcs, (hb_draw_close_path_func_t) close_path, NULL, NULL);
}
return funcs;
}
typedef struct {
cairo_t *cr;
hb_font_t *font;
hb_font_t *unscaled_font;
int level;
} paint_data_t;
static void
push_transform (hb_paint_funcs_t *funcs,
void *paint_data,
float xx, float yx,
float xy, float yy,
float dx, float dy,
void *user_data)
{
paint_data_t *data = (paint_data_t *) paint_data;
cairo_t *cr = data->cr;
cairo_matrix_t m;
cairo_save (cr);
cairo_matrix_init (&m, xx, yx, xy, yy, dx, dy);
cairo_transform (data->cr, &m);
}
static void
pop_transform (hb_paint_funcs_t *funcs,
void *paint_data,
void *user_data)
{
paint_data_t *data = (paint_data_t *) paint_data;
cairo_t *cr = data->cr;
cairo_restore (cr);
}
static void
push_clip_glyph (hb_paint_funcs_t *funcs,
void *paint_data,
hb_codepoint_t glyph,
void *user_data)
{
paint_data_t *data = (paint_data_t *) paint_data;
cairo_t *cr = data->cr;
cairo_save (cr);
cairo_new_path (cr);
hb_font_get_glyph_shape (data->unscaled_font, glyph, get_cairo_draw_funcs (), cr);
cairo_close_path (cr);
cairo_clip (cr);
}
static void
push_clip_rectangle (hb_paint_funcs_t *funcs,
void *paint_data,
float xmin, float ymin, float xmax, float ymax,
void *user_data)
{
paint_data_t *data = (paint_data_t *) paint_data;
cairo_t *cr = data->cr;
cairo_save (cr);
cairo_rectangle (cr, xmin, ymin, xmax - xmin, ymax - ymin);
cairo_clip (cr);
}
static void
pop_clip (hb_paint_funcs_t *funcs,
void *paint_data,
void *user_data)
{
paint_data_t *data = (paint_data_t *) paint_data;
cairo_t *cr = data->cr;
cairo_restore (cr);
}
static void
push_group (hb_paint_funcs_t *funcs,
void *paint_data,
void *user_data)
{
paint_data_t *data = (paint_data_t *) paint_data;
cairo_t *cr = data->cr;
cairo_save (cr);
cairo_push_group (cr);
}
static void
pop_group (hb_paint_funcs_t *funcs,
void *paint_data,
hb_paint_composite_mode_t mode,
void *user_data)
{
paint_data_t *data = (paint_data_t *) paint_data;
cairo_t *cr = data->cr;
cairo_pop_group_to_source (cr);
cairo_set_operator (cr, hb_paint_composite_mode_to_cairo (mode));
cairo_paint (cr);
cairo_restore (cr);
}
static void
paint_color (hb_paint_funcs_t *funcs,
void *paint_data,
unsigned int color_index,
float alpha,
void *user_data)
{
paint_data_t *data = (paint_data_t *) paint_data;
hb_face_t *face = hb_font_get_face (data->font);
cairo_t *cr = data->cr;
float r, g, b, a;
hb_face_get_color (face, 0, color_index, alpha, &r, &g, &b, &a);
cairo_set_source_rgba (cr, r, g, b, a);
cairo_paint (cr);
}
static void
paint_image (hb_paint_funcs_t *funcs,
void *paint_data,
hb_blob_t *blob,
hb_tag_t format,
hb_glyph_extents_t *extents,
void *user_data)
{
paint_data_t *data = (paint_data_t *) paint_data;
cairo_t *cr = data->cr;
hb_font_t *font = data->font;
hb_cairo_paint_glyph_image (cr, font, blob, format, extents);
}
static void
paint_linear_gradient (hb_paint_funcs_t *funcs,
void *paint_data,
hb_color_line_t *color_line,
float x0, float y0,
float x1, float y1,
float x2, float y2,
void *user_data)
{
paint_data_t *data = (paint_data_t *) paint_data;
cairo_t *cr = data->cr;
hb_font_t *font = data->font;
hb_cairo_paint_linear_gradient (cr, font, color_line, x0, y0, x1, y1, x2, y2);
}
static void
paint_radial_gradient (hb_paint_funcs_t *funcs,
void *paint_data,
hb_color_line_t *color_line,
float x0, float y0, float r0,
float x1, float y1, float r1,
void *user_data)
{
paint_data_t *data = (paint_data_t *) paint_data;
cairo_t *cr = data->cr;
hb_font_t *font = data->font;
hb_cairo_paint_radial_gradient (cr, font, color_line, x0, y0, r0, x1, y1, r1);
}
static void
paint_sweep_gradient (hb_paint_funcs_t *funcs,
void *paint_data,
hb_color_line_t *color_line,
float x0, float y0,
float start_angle, float end_angle,
void *user_data)
{
paint_data_t *data = (paint_data_t *) paint_data;
cairo_t *cr = data->cr;
hb_font_t *font = data->font;
hb_cairo_paint_sweep_gradient (cr, font, color_line, x0, y0, start_angle, end_angle);
}
int main (int argc, char *argv[])
{
paint_data_t data;
hb_paint_funcs_t *funcs;
hb_blob_t *blob = hb_blob_create_from_file (argv[1]);
hb_face_t *face = hb_face_create (blob, 0);
hb_font_t *font = hb_font_create (face);
hb_font_t *unscaled_font;
hb_font_set_scale (font, 20, 20);
hb_codepoint_t gid = atoi (argv[2]);
hb_glyph_extents_t extents;
cairo_surface_t *surface;
cairo_pattern_t *pattern;
cairo_matrix_t m;
float xmin, ymin, xmax, ymax;
unsigned int upem;
float size = 120.;
hb_font_set_scale (font, size, size);
hb_font_get_glyph_extents (font, gid, &extents);
unscaled_font = hb_font_create (face);
upem = hb_face_get_upem (face);
hb_font_set_scale (unscaled_font, upem, upem);
hb_font_set_synthetic_slant (unscaled_font, 0.);
printf ("size %f upem %u\n", size, upem);
xmin = extents.x_bearing;
xmax = xmin + extents.width;
ymin = - extents.y_bearing;
ymax = - extents.y_bearing - extents.height;
printf ("surface %f %f, offset %f %f\n", ceil (xmax - xmin), ceil (ymax - ymin), - xmin, - ymin);
if ((int) ceil (xmax - xmin) == 0 ||
(int) ceil (ymax - ymin) == 0)
{
printf ("ERROR: empty surface\n");
return 1;
}
surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
(int) ceil (xmax - xmin),
(int) ceil (ymax - ymin));
cairo_surface_set_device_offset (surface, - xmin, ymax);
data.level = 0;
data.cr = cairo_create (surface);
cairo_push_group (data.cr);
data.font = font;
data.unscaled_font = unscaled_font;
funcs = hb_paint_funcs_create ();
hb_paint_funcs_set_push_transform_func (funcs, push_transform, NULL, NULL);
hb_paint_funcs_set_pop_transform_func (funcs, pop_transform, NULL, NULL);
hb_paint_funcs_set_push_clip_glyph_func (funcs, push_clip_glyph, NULL, NULL);
hb_paint_funcs_set_push_clip_rectangle_func (funcs, push_clip_rectangle, NULL, NULL);
hb_paint_funcs_set_pop_clip_func (funcs, pop_clip, NULL, NULL);
hb_paint_funcs_set_push_group_func (funcs, push_group, NULL, NULL);
hb_paint_funcs_set_pop_group_func (funcs, pop_group, NULL, NULL);
hb_paint_funcs_set_color_func (funcs, paint_color, NULL, NULL);
hb_paint_funcs_set_image_func (funcs, paint_image, NULL, NULL);
hb_paint_funcs_set_linear_gradient_func (funcs, paint_linear_gradient, NULL, NULL);
hb_paint_funcs_set_radial_gradient_func (funcs, paint_radial_gradient, NULL, NULL);
hb_paint_funcs_set_sweep_gradient_func (funcs, paint_sweep_gradient, NULL, NULL);
hb_font_paint_glyph (font, gid, funcs, &data);
pattern = cairo_pop_group (data.cr);
cairo_matrix_init_scale (&m, 1, -1);
cairo_matrix_translate (&m, 0, (ymax - ymin) + 2 * ymin);
cairo_pattern_set_matrix (pattern, &m);
cairo_set_source (data.cr, pattern);
cairo_paint (data.cr);
cairo_surface_set_device_offset (surface, - xmin, - ymin);
printf ("writing glyph.png\n");
cairo_surface_write_to_png (surface, "glyph.png");
execvp ("eog", (char *const[]) { "eog", "glyph.png", NULL });
return 0;
}

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@ -17,13 +17,6 @@ hb_subset_cli_sources = [
util_deps = [freetype_dep, cairo_dep, cairo_ft_dep, glib_dep] util_deps = [freetype_dep, cairo_dep, cairo_ft_dep, glib_dep]
hb_test = executable('hb-test', [ 'hb-test.c', 'hb-cairo-utils.c' ],
cpp_args: cpp_args,
include_directories: [incconfig, incsrc],
dependencies: [util_deps, chafa_dep],
link_with: [libharfbuzz],
)
if conf.get('HAVE_GLIB', 0) == 1 if conf.get('HAVE_GLIB', 0) == 1
if conf.get('HAVE_CAIRO', 0) == 1 if conf.get('HAVE_CAIRO', 0) == 1
hb_view = executable('hb-view', hb_view_sources, hb_view = executable('hb-view', hb_view_sources,