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-rw-r--r--common.h17
-rw-r--r--libfonts.h31
-rw-r--r--libfonts_calculate_subpixel_order.c22
-rw-r--r--libfonts_decode_font_description.c8
-rw-r--r--libfonts_get_default_font.c5
-rw-r--r--libfonts_get_default_font_name.c2
-rw-r--r--libfonts_get_output_dpi.c39
-rw-r--r--libfonts_get_subpixel_order_class.c14
-rw-r--r--libfonts_parse_double__.c2
-rw-r--r--libfonts_unget_subpixel_order_class.c40
10 files changed, 111 insertions, 69 deletions
diff --git a/common.h b/common.h
index 082f806..0759f5c 100644
--- a/common.h
+++ b/common.h
@@ -15,6 +15,7 @@
#define DOUBLE_TOLERANCE 0.000001
+
#define LIST_RENDERING_SETTINGS(X, _)\
X(0, "dpi-x", dpi_x, 96, libfonts_parse_double__) _\
X(1, "dpi-y", dpi_y, 96, libfonts_parse_double__) _\
@@ -43,12 +44,21 @@ transform(double *x_out, double *y_out, double x, double y, const struct libfont
}
+#if defined(__GNUC__) && !defined(__clang__)
+# pragma GCC diagnostic push
+# pragma GCC diagnostic ignored "-Wunsuffixed-float-constants"
+#endif
+
static inline int
eq(double a, double b)
{
return b - DOUBLE_TOLERANCE <= a && a <= b + DOUBLE_TOLERANCE;
}
+#if defined(__GNUC__) && !defined(__clang__)
+# pragma GCC diagnostic pop
+#endif
+
const char *libfonts_getenv__(const char *name, struct libfonts_context *ctx);
char *libfonts_gethome__(struct libfonts_context *ctx);
@@ -66,9 +76,14 @@ int libfonts_parse_aa__(enum libfonts_antialiasing *outp, const char *value);
# define ASSERT(ASSERTION)\
do {\
if (!(ASSERTION)) {\
- fprintf(stderr, "Failed assertion at line %u: %s\n", __LINE__, #ASSERTION);\
+ fprintf(stderr, "Failed assertion at line %i: %s\n", __LINE__, #ASSERTION);\
exit(1);\
}\
} while (0)
+
+#if defined(__clang__)
+# pragma clang diagnostic ignored "-Wassign-enum"
+#endif
+
#endif
diff --git a/libfonts.h b/libfonts.h
index bdf9163..2c7202a 100644
--- a/libfonts.h
+++ b/libfonts.h
@@ -12,6 +12,12 @@
#define LIBFONTS_CONTEXT_VERSION 0
+#if defined(__clang__)
+# pragma clang diagnostic push
+# pragma clang diagnostic ignored "-Wpadded"
+#endif
+
+
/**
* Style-based default fonts
*/
@@ -1243,12 +1249,6 @@ struct libfonts_rendering_settings {
uint32_t reference_height;
/**
- * The output device's physical subpixel order,
- * when it is not rotated
- */
- enum libfonts_subpixel_order subpixel_order;
-
- /**
* If the product of the applicable pixel densities
* (horizontal and vertical) is less than this
* value, the antialiasing mode shall downgrade
@@ -1268,6 +1268,12 @@ struct libfonts_rendering_settings {
double min_dpsqi_for_subpixel;
/**
+ * The output device's physical subpixel order,
+ * when it is not rotated
+ */
+ enum libfonts_subpixel_order subpixel_order;
+
+ /**
* Antialiasing mode for horizontal (on unrotated output), grey text
*/
enum libfonts_antialiasing horizontal_grey_text_antialiasing;
@@ -1343,14 +1349,14 @@ struct libfonts_output {
int output_screen;
/**
- * Transformation that is applied to the output
+ * The output's subpixel order, disregarding applied rotation
*/
- struct libfonts_transformation output_transformation;
+ enum libfonts_subpixel_order unrotated_subpixel_order;
/**
- * The output's subpixel order, disregarding applied rotation
+ * Transformation that is applied to the output
*/
- enum libfonts_subpixel_order unrotated_subpixel_order;
+ struct libfonts_transformation output_transformation;
/**
* The output's horizontal pixel density (pixels per inch),
@@ -1619,6 +1625,11 @@ struct libfonts_context {
};
+#if defined(__clang__)
+# pragma clang diagnostic pop
+#endif
+
+
/**
* `NULL`-terminated list of environment variables
* that affect the execution of the library
diff --git a/libfonts_calculate_subpixel_order.c b/libfonts_calculate_subpixel_order.c
index 81a58f6..5727fc9 100644
--- a/libfonts_calculate_subpixel_order.c
+++ b/libfonts_calculate_subpixel_order.c
@@ -19,15 +19,11 @@ libfonts_calculate_subpixel_order(enum libfonts_subpixel_order unrotated, const
double x[4], y[4], xmin, ymin, xmax, ymax, t1, t2;
int trans, i, j;
- switch (unrotated) {
- case LIBFONTS_SUBPIXEL_ORDER_UNKNOWN:
- case LIBFONTS_SUBPIXEL_ORDER_NONRGB:
- case LIBFONTS_SUBPIXEL_ORDER_NONLINEAR:
- case LIBFONTS_SUBPIXEL_ORDER_OTHER:
+ if (unrotated == LIBFONTS_SUBPIXEL_ORDER_UNKNOWN ||
+ unrotated == LIBFONTS_SUBPIXEL_ORDER_NONRGB ||
+ unrotated == LIBFONTS_SUBPIXEL_ORDER_NONLINEAR ||
+ unrotated == LIBFONTS_SUBPIXEL_ORDER_OTHER)
return unrotated;
- default:
- break;
- }
for (i = 0; i < 3; i++)
for (j = 0; j < 3; j++)
@@ -108,7 +104,7 @@ known:
if (unrotated <= LIBFONTS_SUBPIXEL_ORDER_G_R_B)
return unrotated ^ 1;
else
- return 7 - (unrotated & 7) + (unrotated & ~7);
+ return 7 - (unrotated & 7) + (unrotated & (enum libfonts_subpixel_order)~7U);
case FLOPPED:
if (unrotated <= LIBFONTS_SUBPIXEL_ORDER_G_R_B)
@@ -126,7 +122,7 @@ known:
return unrotated;
default:
- return ((unrotated + trans) & 3) + (unrotated & ~3);
+ return (enum libfonts_subpixel_order)((((int)unrotated + trans) & 3) + ((int)unrotated & ~3));
}
}
@@ -250,9 +246,9 @@ test(int xtrans, int ytrans, int zscale, int xscale, int yscale)
{-xscale, 0, ytrans},
{ 0, 0, zscale}}};
struct libfonts_transformation nonlinear_matrix = {.m = {
- {+xscale, +yscale / 2., xtrans},
- { 0, +yscale, ytrans},
- { 0, 0, zscale}}};
+ {+xscale, +yscale / (double)2, xtrans},
+ { 0, +yscale, ytrans},
+ { 0, 0, zscale}}};
struct libfonts_transformation unknown_matrix = {.m = {
{0, 0, 0},
{0, 0, 0},
diff --git a/libfonts_decode_font_description.c b/libfonts_decode_font_description.c
index 2348d97..74a9571 100644
--- a/libfonts_decode_font_description.c
+++ b/libfonts_decode_font_description.c
@@ -123,16 +123,16 @@ fix_charset_subset(char *out, const char *in)
saved.last = ranges[i].last;
} else {
if (saved.first == saved.last)
- out += sprintf(out, "%"PRId32" ", saved.first);
+ out += sprintf(out, "%"PRIu32" ", saved.first);
else
- out += sprintf(out, "%"PRId32"-%"PRId32" ", saved.first, saved.last);
+ out += sprintf(out, "%"PRIu32"-%"PRIu32" ", saved.first, saved.last);
saved = ranges[i];
}
}
if (saved.first == saved.last)
- out += sprintf(out, "%"PRId32" ", saved.first);
+ out += sprintf(out, "%"PRIu32" ", saved.first);
else
- out += sprintf(out, "%"PRId32"-%"PRId32" ", saved.first, saved.last);
+ out += sprintf(out, "%"PRIu32"-%"PRIu32" ", saved.first, saved.last);
out[-1] = '\0';
return 0;
diff --git a/libfonts_get_default_font.c b/libfonts_get_default_font.c
index f8809bc..69d2729 100644
--- a/libfonts_get_default_font.c
+++ b/libfonts_get_default_font.c
@@ -6,6 +6,11 @@
static int
find(char **outp, const char *dir_part1, const char *dir_part2, const char *dir_part3, struct libfonts_context *ctx)
{
+ (void) outp;
+ (void) dir_part1;
+ (void) dir_part2;
+ (void) dir_part3;
+ (void) ctx;
return 0; /* TODO */
}
diff --git a/libfonts_get_default_font_name.c b/libfonts_get_default_font_name.c
index 66d14cb..877f44c 100644
--- a/libfonts_get_default_font_name.c
+++ b/libfonts_get_default_font_name.c
@@ -67,7 +67,7 @@ main(void)
} while (0)
errno = 0;
- ASSERT(libfonts_get_default_font_name(-1, 0, &r) == -1);
+ ASSERT(libfonts_get_default_font_name((enum libfonts_default_font)~1, 0, &r) == -1);
ASSERT(errno == EINVAL);
errno = 0;
diff --git a/libfonts_get_output_dpi.c b/libfonts_get_output_dpi.c
index 6377fb9..c56cc49 100644
--- a/libfonts_get_output_dpi.c
+++ b/libfonts_get_output_dpi.c
@@ -100,8 +100,8 @@ libfonts_get_output_dpi(struct libfonts_output *output, const char *edid)
if (!width || !height)
return 0;
- output->dpi_x = (double)output->unrotated_output_width / (double)width * 2.54;
- output->dpi_y = (double)output->unrotated_output_height / (double)height * 2.54;
+ output->dpi_x = (double)output->unrotated_output_width / (double)width * 254 / 100;
+ output->dpi_y = (double)output->unrotated_output_height / (double)height * 254 / 100;
}
if (!invert(&invtrans, &output->output_transformation)) {
@@ -155,6 +155,17 @@ main(void)
#define ASIS(MAT) T(MAT, 100, 150)
#define SWAPS(MAT) T(MAT, 150, 100)
+#if defined(__GNUC__) && !defined(__clang__)
+# pragma GCC diagnostic push
+# pragma GCC diagnostic ignored "-Wunsuffixed-float-constants"
+#endif
+
+ const double sqrt1half = 0.7071067811865475;
+
+#if defined(__GNUC__) && !defined(__clang__)
+# pragma GCC diagnostic pop
+#endif
+
char edid[512];
struct libfonts_output output;
struct libfonts_transformation asis_matrix = {.m = {
@@ -222,9 +233,9 @@ main(void)
{+1, +1, 0},
{ 0, 0, 1}}};
struct libfonts_transformation rot45cw_matrix = {.m = {
- {+0.7071067811865475, -0.7071067811865475, 0},
- {+0.7071067811865475, +0.7071067811865475, 0},
- { 0, 0, 1}}};
+ {+sqrt1half, -sqrt1half, 0},
+ {+sqrt1half, +sqrt1half, 0},
+ { 0, 0, 1}}};
struct libfonts_transformation uninvertable_matrix = {.m = {
{1, 1, 0},
{1, 1, 0},
@@ -254,7 +265,7 @@ main(void)
T(xshear_matrix, 150, 150); /* not important */
T(yshear_matrix, 100, 150); /* not important */
- T(rot45cw_matrix, 150 * 0.7071067811865475, 150 * 0.7071067811865475); /* not important */
+ T(rot45cw_matrix, 150 * sqrt1half, 150 * sqrt1half); /* not important */
T_(uninvertable_matrix, 0, 0, 0);
T_(null_matrix, 0, 0, 0);
@@ -367,8 +378,8 @@ main(void)
edid[256] = '\0';
memcpy(&output.output_transformation, &asis_matrix, sizeof(struct libfonts_transformation));
ASSERT(libfonts_get_output_dpi(&output, edid) == 1);
- ASSERT(eq(output.dpi_x, 2.54 * 400 / 0xAA));
- ASSERT(eq(output.dpi_y, 2.54 * 500 / 0xAA));
+ ASSERT(eq(output.dpi_x, (double)254 / 100 * 400 / 0xAA));
+ ASSERT(eq(output.dpi_y, (double)254 / 100 * 500 / 0xAA));
output.unrotated_output_width = 400;
output.unrotated_output_height = 500;
@@ -383,8 +394,8 @@ main(void)
edid[256] = '\0';
memcpy(&output.output_transformation, &asis_matrix, sizeof(struct libfonts_transformation));
ASSERT(libfonts_get_output_dpi(&output, edid) == 1);
- ASSERT(eq(output.dpi_x, 2.54 * 400 / 0x99));
- ASSERT(eq(output.dpi_y, 2.54 * 500 / 0x88));
+ ASSERT(eq(output.dpi_x, (double)254 / 100 * 400 / 0x99));
+ ASSERT(eq(output.dpi_y, (double)254 / 100 * 500 / 0x88));
output.unrotated_output_width = 400;
output.unrotated_output_height = 500;
@@ -399,8 +410,8 @@ main(void)
edid[256] = '\0';
memcpy(&output.output_transformation, &rot90cw_matrix, sizeof(struct libfonts_transformation));
ASSERT(libfonts_get_output_dpi(&output, edid) == 1);
- ASSERT(eq(output.dpi_y, 2.54 * 400 / 0x99));
- ASSERT(eq(output.dpi_x, 2.54 * 500 / 0x88));
+ ASSERT(eq(output.dpi_y, (double)254 / 100 * 400 / 0x99));
+ ASSERT(eq(output.dpi_x, (double)254 / 100 * 500 / 0x88));
output.unrotated_output_width = 400;
output.unrotated_output_height = 500;
@@ -415,8 +426,8 @@ main(void)
edid[400] = '\0';
memcpy(&output.output_transformation, &rot90cw_matrix, sizeof(struct libfonts_transformation));
ASSERT(libfonts_get_output_dpi(&output, edid) == 1);
- ASSERT(eq(output.dpi_y, 2.54 * 400 / 0x99));
- ASSERT(eq(output.dpi_x, 2.54 * 500 / 0x88));
+ ASSERT(eq(output.dpi_y, (double)254 / 100 * 400 / 0x99));
+ ASSERT(eq(output.dpi_x, (double)254 / 100 * 500 / 0x88));
return 0;
}
diff --git a/libfonts_get_subpixel_order_class.c b/libfonts_get_subpixel_order_class.c
index 2c6e3bc..10d441c 100644
--- a/libfonts_get_subpixel_order_class.c
+++ b/libfonts_get_subpixel_order_class.c
@@ -11,18 +11,18 @@ libfonts_get_subpixel_order_class(enum libfonts_subpixel_order order,
{
enum libfonts_subpixel_colour c1, c2, c3;
enum libfonts_subpixel_order_class layout;
- int i; /* RGB, RBG, GRB, GBR, BRG, BGR */
+ unsigned int i; /* RGB, RBG, GRB, GBR, BRG, BGR */
if (order >= LIBFONTS_SUBPIXEL_ORDER_RGB && order <= LIBFONTS_SUBPIXEL_ORDER_G_R_B) {
layout = ((order - LIBFONTS_SUBPIXEL_ORDER_RGB) & 1) + LIBFONTS_SUBPIXEL_ORDER_CLASS_123;
- i = (order - LIBFONTS_SUBPIXEL_ORDER_RGB) / 2;
- i = ((int []){0, 5, 3, 1, 4, 2})[i];
+ i = (unsigned int)(order - LIBFONTS_SUBPIXEL_ORDER_RGB) / 2;
+ i = ((unsigned int []){0, 5, 3, 1, 4, 2})[i];
} else if (order >= LIBFONTS_SUBPIXEL_ORDER_RR_GB && order <= LIBFONTS_SUBPIXEL_ORDER_BALANCED_BR_BG) {
layout = ((order - LIBFONTS_SUBPIXEL_ORDER_RR_GB) & 3) + LIBFONTS_SUBPIXEL_ORDER_CLASS_11_23;
if (order >= LIBFONTS_SUBPIXEL_ORDER_BALANCED_RR_GB)
layout += 4;
- i = (order - LIBFONTS_SUBPIXEL_ORDER_RR_GB) / 4 % 6;
+ i = (unsigned int)(order - LIBFONTS_SUBPIXEL_ORDER_RR_GB) / 4 % 6;
} else {
layout = LIBFONTS_SUBPIXEL_ORDER_CLASS_OTHER;
@@ -61,7 +61,7 @@ main(void)
#define T_(ORDER, LAYOUT, C1, C2, C3)\
do {\
errno = 0;\
- c1 = c2 = c3 = -1;\
+ c1 = c2 = c3 = (enum libfonts_subpixel_colour)~0;\
ASSERT(libfonts_get_subpixel_order_class(ORDER, &c1, &c2, &c3) == LAYOUT);\
ASSERT(c1 == C1);\
ASSERT(c2 == C2);\
@@ -85,8 +85,8 @@ main(void)
T(NONRGB, OTHER, R, G, B);
T(NONLINEAR, OTHER, R, G, B);
T(OTHER, OTHER, R, G, B);
- T(UNKNOWN - 1000, OTHER, R, G, B);
- T(UNKNOWN + 9999, OTHER, R, G, B);
+ T_((enum libfonts_subpixel_order)~1, LIBFONTS_SUBPIXEL_ORDER_CLASS_OTHER, R, G, B);
+ T_(9999, LIBFONTS_SUBPIXEL_ORDER_CLASS_OTHER, R, G, B);
T(RGB, 123, R, G, B);
T(R_G_B, 1_2_3, R, G, B);
diff --git a/libfonts_parse_double__.c b/libfonts_parse_double__.c
index 30fc61d..2fb182c 100644
--- a/libfonts_parse_double__.c
+++ b/libfonts_parse_double__.c
@@ -6,6 +6,8 @@
int
libfonts_parse_double__(double *outp, const char *value)
{
+ (void) outp;
+ (void) value;
return 0; /* TODO implement */
}
diff --git a/libfonts_unget_subpixel_order_class.c b/libfonts_unget_subpixel_order_class.c
index 47d8366..01c980a 100644
--- a/libfonts_unget_subpixel_order_class.c
+++ b/libfonts_unget_subpixel_order_class.c
@@ -10,11 +10,11 @@ libfonts_unget_subpixel_order_class(enum libfonts_subpixel_order *orderp,
enum libfonts_subpixel_colour cell2,
enum libfonts_subpixel_colour cell3)
{
- int i;
+ unsigned int i;
- if (cell1 < 0 || cell1 > 2 ||
- cell2 < 0 || cell2 > 2 ||
- cell3 < 0 || cell3 > 2 ||
+ if ((uintmax_t)cell1 > 2 ||
+ (uintmax_t)cell2 > 2 ||
+ (uintmax_t)cell3 > 2 ||
cell1 == cell2 ||
cell2 == cell3 ||
cell3 == cell1) {
@@ -30,9 +30,11 @@ libfonts_unget_subpixel_order_class(enum libfonts_subpixel_order *orderp,
} else if (layout == LIBFONTS_SUBPIXEL_ORDER_CLASS_123 || layout == LIBFONTS_SUBPIXEL_ORDER_CLASS_1_2_3) {
if (orderp) {
/* RGB, BGR, GBR, RBG, BRG, GRB */
- i = ((cell2 + 2) % 3) * 2;
- i += (cell1 < cell3) ^ (cell2 == LIBFONTS_SUBPIXEL_COLOUR_GREEN);
- *orderp = i * 2 + (layout == LIBFONTS_SUBPIXEL_ORDER_CLASS_1_2_3) + LIBFONTS_SUBPIXEL_ORDER_RGB;
+ i = (unsigned int)((cell2 + 2) % 3) * 2;
+ i += (unsigned int)(cell1 < cell3) ^ (cell2 == LIBFONTS_SUBPIXEL_COLOUR_GREEN);
+ *orderp = (enum libfonts_subpixel_order)(i * 2 +
+ (layout == LIBFONTS_SUBPIXEL_ORDER_CLASS_1_2_3) +
+ LIBFONTS_SUBPIXEL_ORDER_RGB);
}
return 1;
@@ -41,7 +43,7 @@ libfonts_unget_subpixel_order_class(enum libfonts_subpixel_order *orderp,
/* RGB, RBG, GRB, GBR, BRG, BGR */
i = (cell1 * 2) + (cell2 > cell3);
*orderp = i * 4 + (layout - LIBFONTS_SUBPIXEL_ORDER_CLASS_11_23) % 4 + LIBFONTS_SUBPIXEL_ORDER_RR_GB;
- *orderp += (layout >= LIBFONTS_SUBPIXEL_ORDER_CLASS_BALANCED_11_23) * 24;
+ *orderp += (enum libfonts_subpixel_order)((layout >= LIBFONTS_SUBPIXEL_ORDER_CLASS_BALANCED_11_23) * 24);
}
return 1;
@@ -69,7 +71,7 @@ main(void)
#define T_(ORDER, LAYOUT, C1, C2, C3)\
do {\
errno = 0;\
- order = -1;\
+ order = (enum libfonts_subpixel_order)~1;\
ASSERT(libfonts_unget_subpixel_order_class(&order, LAYOUT, C1, C2, C3) == 1);\
ASSERT(order == ORDER);\
ASSERT(!errno);\
@@ -82,7 +84,7 @@ main(void)
#define TU_(LAYOUT, C1, C2, C3)\
do {\
errno = 0;\
- order = -1;\
+ order = (enum libfonts_subpixel_order)~1;\
ASSERT(libfonts_unget_subpixel_order_class(&order, LAYOUT, C1, C2, C3) == 0);\
ASSERT(order == LIBFONTS_SUBPIXEL_ORDER_UNKNOWN);\
ASSERT(!errno);\
@@ -111,18 +113,18 @@ main(void)
TU(OTHER, G, R, B);
TU(OTHER, B, G, R);
- TE(OTHER, -1, G, B);
- TE(OTHER, R, -1, B);
- TE(OTHER, R, G, -1);
- TE(OTHER, -1, -2, B);
+ TE(OTHER, (enum libfonts_subpixel_colour)~1, G, B);
+ TE(OTHER, R, (enum libfonts_subpixel_colour)~1, B);
+ TE(OTHER, R, G, (enum libfonts_subpixel_colour)~1);
+ TE(OTHER, (enum libfonts_subpixel_colour)~1, (enum libfonts_subpixel_colour)~2, B);
TE(OTHER, 3, G, B);
TE(OTHER, R, 3, B);
TE(OTHER, R, G, 3);
TE(OTHER, R, 3, 4);
- TE(123, -1, G, B);
- TE(123, R, -1, B);
- TE(123, R, G, -1);
- TE(123, -1, -2, B);
+ TE(123, (enum libfonts_subpixel_colour)~1, G, B);
+ TE(123, R, (enum libfonts_subpixel_colour)~1, B);
+ TE(123, R, G, (enum libfonts_subpixel_colour)~1);
+ TE(123, (enum libfonts_subpixel_colour)~1, (enum libfonts_subpixel_colour)~2, B);
TE(123, 3, G, B);
TE(123, R, 3, B);
TE(123, R, G, 3);
@@ -130,7 +132,7 @@ main(void)
TE(123, R, R, G);
TE(123, R, G, R);
TE(123, R, G, G);
- TE_(-1, R, G, B);
+ TE_((enum libfonts_subpixel_order_class)~1, R, G, B);
TE_(9999, R, G, B);
T(RGB, 123, R, G, B);
generated by cgit v1.2.3-70-g09d2 (git 2.47.0) at 2024-11-22 05:26:44 +0000