Changeset f13f1495 in mainline for uspace/lib/gfxfont/test/font.c

Timestamp:

2020-09-29T14:58:57Z (4 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

efe0881

Parents:

a81d480

git-author:

Jiri Svoboda <jiri@…> (2020-09-28 19:58:39)

git-committer:

Jiri Svoboda <jiri@…> (2020-09-29 14:58:57)

Message:

Bit pack font bitmap to 1 bit per pixel when saving to TPF file

File:

• uspace/lib/gfxfont/test/font.c (modified) (1 diff)

uspace/lib/gfxfont/test/font.c

@@ -366 +366 @@
 }
 
+/** Test gfx_font_bitmap_pack() properly packs bitmap */
+PCUT_TEST(bitmap_pack)
+{
+        errno_t rc;
+        gfx_coord_t width, height;
+        gfx_coord_t i;
+        uint32_t *pixels;
+        void *data;
+        size_t size;
+        uint8_t *dp;
+
+        width = 10;
+        height = 10;
+
+        pixels = calloc(sizeof(uint32_t), width * height);
+        PCUT_ASSERT_NOT_NULL(pixels);
+
+        for (i = 0; i < 10; i++)
+                pixels[i * width + i] = PIXEL(255, 255, 255, 255);
+
+        rc = gfx_font_bitmap_pack(width, height, pixels, &data, &size);
+        PCUT_ASSERT_ERRNO_VAL(EOK, rc);
+        PCUT_ASSERT_NOT_NULL(data);
+        PCUT_ASSERT_INT_EQUALS(20, size);
+
+        dp = data;
+
+        for (i = 0; i < 8; i++) {
+                PCUT_ASSERT_INT_EQUALS(0x80 >> i, dp[2 * i]);
+                PCUT_ASSERT_INT_EQUALS(0, dp[2 * i + 1]);
+        }
+
+        for (i = 8; i < 10; i++) {
+                PCUT_ASSERT_INT_EQUALS(0, dp[2 * i]);
+                PCUT_ASSERT_INT_EQUALS(0x80 >> (i - 8), dp[2 * i + 1]);
+        }
+}
+
+/** Test gfx_font_bitmap_unpack() properly unpacks bitmap */
+PCUT_TEST(bitmap_unpack)
+{
+        errno_t rc;
+        gfx_coord_t width, height;
+        gfx_coord_t i, j;
+        uint32_t epix;
+        uint32_t *pixels;
+        uint8_t data[20];
+
+        width = 10;
+        height = 10;
+
+        for (i = 0; i < 8; i++) {
+                data[2 * i] = 0x80 >> i;
+                data[2 * i + 1] = 0;
+        }
+
+        for (i = 8; i < 10; i++) {
+                data[2 * i] = 0;
+                data[2 * i + 1] = 0x80 >> (i - 8);
+        }
+
+        pixels = calloc(sizeof(uint32_t), width * height);
+        PCUT_ASSERT_NOT_NULL(pixels);
+
+        rc = gfx_font_bitmap_unpack(width, height, data, sizeof(data),
+            pixels);
+        PCUT_ASSERT_ERRNO_VAL(EOK, rc);
+
+        for (j = 0; j < 10; j++) {
+                for (i = 0; i < 10; i++) {
+                        epix = (i == j) ? PIXEL(255, 255, 255, 255) :
+                            PIXEL(0, 0, 0, 0);
+                        PCUT_ASSERT_INT_EQUALS(epix, pixels[j * width + i]);
+                }
+        }
+}
+
 static errno_t testgc_set_color(void *arg, gfx_color_t *color)
 {