From: Bastian Dehn <hhaalo@arcor.de>
Date: Sun, 23 Feb 2025 10:09:52 +0000 (+0100)
Subject: add clac pixel quant
X-Git-Url: https://gitweb.hhaalo.de/?a=commitdiff_plain;h=1c617689a5890da080fc906cbab0244ab8eae186;p=sane-kds-s2000w-net.git

add clac pixel quant
---

diff --git a/src/kds_s2000w_handler_opts_calc.c b/src/kds_s2000w_handler_opts_calc.c
index d5f31f9..891bd27 100644
--- a/src/kds_s2000w_handler_opts_calc.c
+++ b/src/kds_s2000w_handler_opts_calc.c
@@ -2,12 +2,17 @@
 
 #define INCH_RESOLUTION 10
 
-uint32_t kds_s2000w_handler_opts_calc_inch_to_pixel(uint32_t dpi, uint32_t inch)
+int32_t kds_s2000w_handler_opts_calc_inch_to_pixel(int32_t dpi, int32_t inch)
 {
 	return inch / INCH_RESOLUTION * dpi;
 }
 
-uint32_t kds_s2000w_handler_opts_calc_pixel_to_inch(uint32_t dpi, uint32_t pixel)
+int32_t kds_s2000w_handler_opts_calc_pixel_to_inch(int32_t dpi, int32_t pixel)
 {
 	return pixel / dpi * INCH_RESOLUTION;
+}
+
+int32_t kds_s2000w_handler_opts_calc_pixel_quant(int32_t dpi)
+{
+	return dpi / INCH_RESOLUTION;
 }
\ No newline at end of file
diff --git a/src/kds_s2000w_handler_opts_calc.h b/src/kds_s2000w_handler_opts_calc.h
index a9d8fad..27f01f6 100644
--- a/src/kds_s2000w_handler_opts_calc.h
+++ b/src/kds_s2000w_handler_opts_calc.h
@@ -2,7 +2,8 @@
 #define KDS_S20000W_HANDLER_OPTS_CALC_H
 #include <stdint.h>
 
-uint32_t kds_s2000w_handler_opts_calc_inch_to_pixel(uint32_t dpi, uint32_t inch);
-uint32_t kds_s2000w_handler_opts_calc_pixel_to_inch(uint32_t dpi, uint32_t pixel);
+int32_t kds_s2000w_handler_opts_calc_inch_to_pixel(int32_t dpi, int32_t inch);
+int32_t kds_s2000w_handler_opts_calc_pixel_to_inch(int32_t dpi, int32_t pixel);
+int32_t kds_s2000w_handler_opts_calc_pixel_quant(int32_t dpi);
 
 #endif
\ No newline at end of file
diff --git a/tests/kds_s2000w_handler_opts_calc_tests.c b/tests/kds_s2000w_handler_opts_calc_tests.c
index a9aa26e..4aa78d0 100644
--- a/tests/kds_s2000w_handler_opts_calc_tests.c
+++ b/tests/kds_s2000w_handler_opts_calc_tests.c
@@ -2,20 +2,29 @@
 
 void kds_s2000w_handler_opts_calc_inch_to_pixel_test()
 {
-	uint32_t dpi = 300;
-	uint32_t inch = 10;
+	int32_t dpi = 300;
+	int32_t inch = 10;
 
-	uint32_t pixel = kds_s2000w_handler_opts_calc_inch_to_pixel(dpi, inch);
+	int32_t pixel = kds_s2000w_handler_opts_calc_inch_to_pixel(dpi, inch);
 
 	assert_int_equal(pixel, 300);
 }
 
 void kds_s2000w_handler_opts_calc_pixel_to_inch_test()
 {
-	uint32_t dpi = 300;
-	uint32_t pixel = 300;
+	int32_t dpi = 300;
+	int32_t pixel = 300;
 
-	uint32_t inch = kds_s2000w_handler_opts_calc_pixel_to_inch(dpi, pixel);
+	int32_t inch = kds_s2000w_handler_opts_calc_pixel_to_inch(dpi, pixel);
 
 	assert_int_equal(inch, 10);
+}
+
+void kds_s2000w_handler_opts_calc_pixel_quant_test()
+{
+	int32_t dpi = 300;
+
+	int32_t pixel_quant = kds_s2000w_handler_opts_calc_pixel_quant(dpi);
+
+	assert_int_equal(pixel_quant, 30);
 }
\ No newline at end of file
diff --git a/tests/kds_s2000w_handler_opts_calc_tests.h b/tests/kds_s2000w_handler_opts_calc_tests.h
index 9a8fd70..f21a5d1 100644
--- a/tests/kds_s2000w_handler_opts_calc_tests.h
+++ b/tests/kds_s2000w_handler_opts_calc_tests.h
@@ -9,5 +9,6 @@
 
 void kds_s2000w_handler_opts_calc_inch_to_pixel_test();
 void kds_s2000w_handler_opts_calc_pixel_to_inch_test();
+void kds_s2000w_handler_opts_calc_pixel_quant_test();
 
 #endif
\ No newline at end of file
diff --git a/tests/kds_s2000w_handler_opts_calc_tests_run.c b/tests/kds_s2000w_handler_opts_calc_tests_run.c
index db57ecd..8e05021 100644
--- a/tests/kds_s2000w_handler_opts_calc_tests_run.c
+++ b/tests/kds_s2000w_handler_opts_calc_tests_run.c
@@ -4,7 +4,8 @@ int main()
 {
 	const struct CMUnitTest opts_calc_tests[] = {
 		cmocka_unit_test(kds_s2000w_handler_opts_calc_inch_to_pixel_test),
-		cmocka_unit_test(kds_s2000w_handler_opts_calc_pixel_to_inch_test)
+		cmocka_unit_test(kds_s2000w_handler_opts_calc_pixel_to_inch_test),
+		cmocka_unit_test(kds_s2000w_handler_opts_calc_pixel_quant_test)
 	};
 
 	return cmocka_run_group_tests(opts_calc_tests, NULL, NULL);