| 1 | /*
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| 2 | * Copyright (c) 2020 Jiri Svoboda
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | #include <gfx/context.h>
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| 30 | #include <gfx/font.h>
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| 31 | #include <gfx/glyph.h>
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| 32 | #include <gfx/glyph_bmp.h>
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| 33 | #include <gfx/typeface.h>
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| 34 | #include <pcut/pcut.h>
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| 35 | #include <str.h>
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| 36 | #include "../private/font.h"
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| 37 | #include "../private/typeface.h"
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| 38 |
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| 39 | PCUT_INIT;
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| 40 |
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| 41 | PCUT_TEST_SUITE(tpf);
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| 42 |
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| 43 | static errno_t testgc_set_color(void *, gfx_color_t *);
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| 44 | static errno_t testgc_fill_rect(void *, gfx_rect_t *);
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| 45 | static errno_t testgc_bitmap_create(void *, gfx_bitmap_params_t *,
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| 46 | gfx_bitmap_alloc_t *, void **);
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| 47 | static errno_t testgc_bitmap_destroy(void *);
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| 48 | static errno_t testgc_bitmap_render(void *, gfx_rect_t *, gfx_coord2_t *);
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| 49 | static errno_t testgc_bitmap_get_alloc(void *, gfx_bitmap_alloc_t *);
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| 50 |
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| 51 | static gfx_context_ops_t test_ops = {
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| 52 | .set_color = testgc_set_color,
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| 53 | .fill_rect = testgc_fill_rect,
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| 54 | .bitmap_create = testgc_bitmap_create,
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| 55 | .bitmap_destroy = testgc_bitmap_destroy,
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| 56 | .bitmap_render = testgc_bitmap_render,
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| 57 | .bitmap_get_alloc = testgc_bitmap_get_alloc
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| 58 | };
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| 59 |
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| 60 | typedef struct {
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| 61 | gfx_bitmap_params_t bm_params;
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| 62 | void *bm_pixels;
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| 63 | gfx_rect_t bm_srect;
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| 64 | gfx_coord2_t bm_offs;
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| 65 | } test_gc_t;
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| 66 |
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| 67 | typedef struct {
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| 68 | test_gc_t *tgc;
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| 69 | gfx_bitmap_alloc_t alloc;
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| 70 | bool myalloc;
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| 71 | } testgc_bitmap_t;
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| 72 |
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| 73 | enum {
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| 74 | test_font_size = 9,
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| 75 | test_font_flags = gff_bold_italic,
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| 76 | test_font_ascent = 4,
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| 77 | test_font_descent = 3,
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| 78 | test_font_leading = 2,
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| 79 | test_glyph_advance = 10
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| 80 | };
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| 81 |
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| 82 | static const char *test_glyph_pattern = "ff";
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| 83 |
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| 84 | /** Test saving typeface to and loading from TPF file */
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| 85 | PCUT_TEST(save_load)
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| 86 | {
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| 87 | char fname[L_tmpnam];
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| 88 | char *p;
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| 89 | gfx_font_props_t props;
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| 90 | gfx_font_props_t rprops;
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| 91 | gfx_font_metrics_t metrics;
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| 92 | gfx_font_metrics_t rmetrics;
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| 93 | gfx_glyph_metrics_t gmetrics;
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| 94 | gfx_glyph_metrics_t rgmetrics;
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| 95 | gfx_glyph_pattern_t *pat;
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| 96 | const char *str;
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| 97 | gfx_typeface_t *tface;
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| 98 | gfx_font_t *font;
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| 99 | gfx_font_info_t *finfo;
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| 100 | gfx_context_t *gc;
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| 101 | gfx_glyph_t *glyph;
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| 102 | gfx_glyph_bmp_t *bmp;
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| 103 | int pix;
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| 104 | test_gc_t tgc;
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| 105 | errno_t rc;
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| 106 |
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| 107 | p = tmpnam(fname);
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| 108 | PCUT_ASSERT_NOT_NULL(p);
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| 109 |
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| 110 | rc = gfx_context_new(&test_ops, (void *)&tgc, &gc);
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| 111 | PCUT_ASSERT_ERRNO_VAL(EOK, rc);
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| 112 |
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| 113 | rc = gfx_typeface_create(gc, &tface);
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| 114 | PCUT_ASSERT_ERRNO_VAL(EOK, rc);
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| 115 |
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| 116 | gfx_font_props_init(&props);
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| 117 | props.size = test_font_size;
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| 118 | props.flags = test_font_flags;
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| 119 |
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| 120 | gfx_font_metrics_init(&metrics);
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| 121 | metrics.ascent = test_font_ascent;
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| 122 | metrics.descent = test_font_descent;
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| 123 | metrics.leading = test_font_leading;
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| 124 |
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| 125 | rc = gfx_font_create(tface, &props, &metrics, &font);
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| 126 | PCUT_ASSERT_ERRNO_VAL(EOK, rc);
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| 127 |
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| 128 | gfx_glyph_metrics_init(&gmetrics);
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| 129 | gmetrics.advance = test_glyph_advance;
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| 130 |
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| 131 | rc = gfx_glyph_create(font, &gmetrics, &glyph);
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| 132 | PCUT_ASSERT_ERRNO_VAL(EOK, rc);
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| 133 |
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| 134 | rc = gfx_glyph_set_pattern(glyph, test_glyph_pattern);
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| 135 | PCUT_ASSERT_ERRNO_VAL(EOK, rc);
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| 136 |
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| 137 | rc = gfx_glyph_bmp_open(glyph, &bmp);
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| 138 | PCUT_ASSERT_ERRNO_VAL(EOK, rc);
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| 139 |
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| 140 | rc = gfx_glyph_bmp_setpix(bmp, 0, 0, 1);
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| 141 | PCUT_ASSERT_ERRNO_VAL(EOK, rc);
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| 142 |
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| 143 | rc = gfx_glyph_bmp_setpix(bmp, 1, 1, 1);
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| 144 | PCUT_ASSERT_ERRNO_VAL(EOK, rc);
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| 145 |
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| 146 | rc = gfx_glyph_bmp_save(bmp);
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| 147 | PCUT_ASSERT_ERRNO_VAL(EOK, rc);
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| 148 |
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| 149 | gfx_glyph_bmp_close(bmp);
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| 150 |
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| 151 | rc = gfx_typeface_save(tface, fname);
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| 152 | PCUT_ASSERT_ERRNO_VAL(EOK, rc);
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| 153 |
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| 154 | gfx_typeface_destroy(tface);
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| 155 | tface = NULL;
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| 156 |
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| 157 | rc = gfx_typeface_open(gc, fname, &tface);
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| 158 | PCUT_ASSERT_ERRNO_VAL(EOK, rc);
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| 159 | PCUT_ASSERT_NOT_NULL(tface);
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| 160 |
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| 161 | finfo = gfx_typeface_first_font(tface);
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| 162 | PCUT_ASSERT_NOT_NULL(finfo);
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| 163 |
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| 164 | gfx_font_get_props(finfo, &rprops);
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| 165 | PCUT_ASSERT_INT_EQUALS(props.size, rprops.size);
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| 166 | PCUT_ASSERT_INT_EQUALS(props.flags, rprops.flags);
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| 167 |
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| 168 | rc = gfx_font_open(finfo, &font);
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| 169 | PCUT_ASSERT_ERRNO_VAL(EOK, rc);
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| 170 | PCUT_ASSERT_NOT_NULL(font);
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| 171 |
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| 172 | gfx_font_get_metrics(font, &rmetrics);
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| 173 | PCUT_ASSERT_INT_EQUALS(metrics.ascent, rmetrics.ascent);
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| 174 | PCUT_ASSERT_INT_EQUALS(metrics.descent, rmetrics.descent);
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| 175 | PCUT_ASSERT_INT_EQUALS(metrics.leading, rmetrics.leading);
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| 176 |
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| 177 | glyph = gfx_font_first_glyph(font);
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| 178 | PCUT_ASSERT_NOT_NULL(glyph);
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| 179 |
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| 180 | gfx_glyph_get_metrics(glyph, &rgmetrics);
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| 181 | PCUT_ASSERT_INT_EQUALS(gmetrics.advance, rgmetrics.advance);
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| 182 |
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| 183 | pat = gfx_glyph_first_pattern(glyph);
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| 184 | str = gfx_glyph_pattern_str(pat);
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| 185 | PCUT_ASSERT_INT_EQUALS(0, str_cmp(test_glyph_pattern, str));
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| 186 |
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| 187 | rc = gfx_glyph_bmp_open(glyph, &bmp);
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| 188 | PCUT_ASSERT_ERRNO_VAL(EOK, rc);
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| 189 |
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| 190 | pix = gfx_glyph_bmp_getpix(bmp, 0, 0);
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| 191 | PCUT_ASSERT_INT_EQUALS(1, pix);
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| 192 | pix = gfx_glyph_bmp_getpix(bmp, 1, 1);
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| 193 | PCUT_ASSERT_INT_EQUALS(1, pix);
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| 194 | pix = gfx_glyph_bmp_getpix(bmp, 1, 0);
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| 195 | PCUT_ASSERT_INT_EQUALS(0, pix);
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| 196 | pix = gfx_glyph_bmp_getpix(bmp, 0, 1);
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| 197 | PCUT_ASSERT_INT_EQUALS(0, pix);
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| 198 |
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| 199 | gfx_glyph_bmp_close(bmp);
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| 200 |
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| 201 | gfx_typeface_destroy(tface);
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| 202 | tface = NULL;
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| 203 |
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| 204 | rc = gfx_context_delete(gc);
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| 205 | PCUT_ASSERT_ERRNO_VAL(EOK, rc);
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| 206 |
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| 207 | (void) remove(p);
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| 208 | }
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| 209 |
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| 210 | static errno_t testgc_set_color(void *arg, gfx_color_t *color)
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| 211 | {
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| 212 | return EOK;
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| 213 | }
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| 214 |
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| 215 | static errno_t testgc_fill_rect(void *arg, gfx_rect_t *rect)
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| 216 | {
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| 217 | return EOK;
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| 218 | }
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| 219 |
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| 220 | static errno_t testgc_bitmap_create(void *arg, gfx_bitmap_params_t *params,
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| 221 | gfx_bitmap_alloc_t *alloc, void **rbm)
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| 222 | {
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| 223 | test_gc_t *tgc = (test_gc_t *) arg;
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| 224 | testgc_bitmap_t *tbm;
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| 225 |
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| 226 | tbm = calloc(1, sizeof(testgc_bitmap_t));
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| 227 | if (tbm == NULL)
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| 228 | return ENOMEM;
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| 229 |
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| 230 | if (alloc == NULL) {
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| 231 | tbm->alloc.pitch = (params->rect.p1.x - params->rect.p0.x) *
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| 232 | sizeof(uint32_t);
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| 233 | tbm->alloc.off0 = 0;
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| 234 | tbm->alloc.pixels = calloc(sizeof(uint32_t),
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| 235 | tbm->alloc.pitch * (params->rect.p1.y - params->rect.p0.y));
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| 236 | tbm->myalloc = true;
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| 237 | if (tbm->alloc.pixels == NULL) {
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| 238 | free(tbm);
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| 239 | return ENOMEM;
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| 240 | }
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| 241 | } else {
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| 242 | tbm->alloc = *alloc;
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| 243 | }
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| 244 |
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| 245 | tbm->tgc = tgc;
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| 246 | tgc->bm_params = *params;
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| 247 | tgc->bm_pixels = tbm->alloc.pixels;
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| 248 | *rbm = (void *)tbm;
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| 249 | return EOK;
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| 250 | }
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| 251 |
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| 252 | static errno_t testgc_bitmap_destroy(void *bm)
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| 253 | {
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| 254 | testgc_bitmap_t *tbm = (testgc_bitmap_t *)bm;
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| 255 | if (tbm->myalloc)
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| 256 | free(tbm->alloc.pixels);
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| 257 | free(tbm);
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| 258 | return EOK;
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| 259 | }
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| 260 |
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| 261 | static errno_t testgc_bitmap_render(void *bm, gfx_rect_t *srect,
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| 262 | gfx_coord2_t *offs)
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| 263 | {
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| 264 | testgc_bitmap_t *tbm = (testgc_bitmap_t *)bm;
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| 265 | tbm->tgc->bm_srect = *srect;
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| 266 | tbm->tgc->bm_offs = *offs;
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| 267 | return EOK;
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| 268 | }
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| 269 |
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| 270 | static errno_t testgc_bitmap_get_alloc(void *bm, gfx_bitmap_alloc_t *alloc)
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| 271 | {
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| 272 | testgc_bitmap_t *tbm = (testgc_bitmap_t *)bm;
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| 273 | *alloc = tbm->alloc;
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| 274 | return EOK;
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| 275 | }
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| 276 |
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| 277 | PCUT_EXPORT(tpf);
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