diff options
Diffstat (limited to 'src/transform')
-rw-r--r-- | src/transform/CMakeLists.txt | 7 | ||||
-rw-r--r-- | src/transform/transform.c | 170 | ||||
-rw-r--r-- | src/transform/transform.h | 26 | ||||
-rw-r--r-- | src/transform/transform.test.c | 316 |
4 files changed, 0 insertions, 519 deletions
diff --git a/src/transform/CMakeLists.txt b/src/transform/CMakeLists.txt deleted file mode 100644 index cf9e78a..0000000 --- a/src/transform/CMakeLists.txt +++ /dev/null @@ -1,7 +0,0 @@ -project(kalmia) - -target_sources(kalmia PUBLIC transform.c) - -if (KALMIA_BUILD_TESTS) - target_sources(kalmia-tests PUBLIC transform.test.c) -endif() diff --git a/src/transform/transform.c b/src/transform/transform.c deleted file mode 100644 index b0f6dc9..0000000 --- a/src/transform/transform.c +++ /dev/null @@ -1,170 +0,0 @@ -#include <stdlib.h> -#include <string.h> -#include <math.h> - -#include <kalmia.h> -#include <ezxml.h> -#include "transform.h" - - -#define TWO_PI 6.2831853071796f - - -int kai_identity(ka_matrix_t *m) -{ - memset(*m, 0, sizeof(ka_matrix_t)); - (*m)[0] = 1.0f; - (*m)[5] = 1.0f; - (*m)[10] = 1.0f; - (*m)[15] = 1.0f; - - return 0; -} - - -int kai_multiply(ka_matrix_t *dest, ka_matrix_t A, ka_matrix_t B) -{ - ka_matrix_t C; - memset(C, 0, sizeof(ka_matrix_t)); - - int i, j, k; - int a_ind, b_ind, c_ind; - for (i=0; i<4; i++) { - for (j=0; j<4; j++) { - c_ind = (4*i) + j; - for (k=0; k<4; k++) { - a_ind = (4*i) + k; - b_ind = (4*k) + j; - C[c_ind] += A[a_ind] * B[b_ind]; - } - } - } - - memcpy(*dest, C, sizeof(ka_matrix_t)); - return 0; -} - - -int kai_parse_matrix(ka_matrix_t *m, ezxml_t tag) -{ - if (strcmp("matrix", ezxml_name(tag)) != 0) - return -1; - - char *str = ezxml_txt(tag); - char *end; - int i; - for (i=0; i<16; i++) { - (*m)[i] = strtod(str, &end); - str = end; - } - - return 0; -} - - -int kai_parse_rotate(ka_matrix_t *m, ezxml_t tag) -{ - if (strcmp("rotate", ezxml_name(tag)) != 0) - return -1; - - char *str = ezxml_txt(tag); - char *end; - int i; - double rot[4]; - for (i=0; i<4; i++) { - rot[i] = strtod(str, &end); - str = end; - } - - double x, y, z, angle; - x = rot[0]; - y = rot[1]; - z = rot[2]; - angle = rot[3]; - - /* normalize length */ - double axis_len = (x*x) + (y*y) + (z*z); - axis_len = sqrt(axis_len); - x /= axis_len; - y /= axis_len; - z /= axis_len; - - /* convert angle to radians */ - angle *= TWO_PI / 360; - - /* compute rotation matrix entries */ - double co = cos(angle); - double unco = 1 - co; - double si = sin(angle); - - (*m)[0] = (x*x*unco) + co; - (*m)[1] = (x*y*unco) - (z*si); - (*m)[2] = (x*z*unco) + (y*si); - (*m)[3] = 0.0f; - (*m)[4] = (y*x*unco) + (z*si); - (*m)[5] = (y*y*unco) + co; - (*m)[6] = (y*z*unco) - (x*si); - (*m)[7] = 0.0f; - (*m)[8] = (z*x*unco) - (y*si); - (*m)[9] = (z*y*unco) + (x*si); - (*m)[10] = (z*z*unco) + co; - (*m)[11] = 0.0f; - (*m)[12] = 0.0f; - (*m)[13] = 0.0f; - (*m)[14] = 0.0f; - (*m)[15] = 1.0f; - - return 0; -} - - -int kai_parse_scale(ka_matrix_t *m, ezxml_t tag) -{ - if (strcmp("scale", ezxml_name(tag)) != 0) - return -1; - - char *str = ezxml_txt(tag); - char *end; - int i; - double scale[3]; - for (i=0; i<3; i++) { - scale[i] = strtod(str, &end); - str = end; - } - - memset(*m, 0, 16*sizeof(double)); - (*m)[0] = scale[0]; - (*m)[5] = scale[1]; - (*m)[10] = scale[2]; - (*m)[15] = 1.0f; - - return 0; -} - - -int kai_parse_translate(ka_matrix_t *m, ezxml_t tag) -{ - if (strcmp("translate", ezxml_name(tag)) != 0) - return -1; - - char *str = ezxml_txt(tag); - char *end; - int i; - double move[3]; - for (i=0; i<3; i++) { - move[i] = strtod(str, &end); - str = end; - } - - memset(*m, 0, sizeof(ka_matrix_t)); - - (*m)[0] = 1.0f; - (*m)[3] = move[0]; - (*m)[5] = 1.0f; - (*m)[7] = move[1]; - (*m)[10] = 1.0f; - (*m)[11] = move[2]; - (*m)[15] = 1.0f; - - return 0; -} diff --git a/src/transform/transform.h b/src/transform/transform.h deleted file mode 100644 index db582ac..0000000 --- a/src/transform/transform.h +++ /dev/null @@ -1,26 +0,0 @@ -#ifndef KALMIA_TRANSLATE_H -#define KALMIA_TRANSLATE_H - -#include <kalmia.h> -#include <ezxml.h> - - -/* fill a ka_matrix_t with the identity matrix */ -int kai_identity(ka_matrix_t *m); - -/* multiply two matrices together */ -int kai_multiply(ka_matrix_t *dest, ka_matrix_t A, ka_matrix_t B); - -/* parse a <matrix> tag into a ka_matrix_t */ -int kai_parse_matrix(ka_matrix_t *m, ezxml_t tag); - -/* parse a <rotate> tag into a ka_matrix_t */ -int kai_parse_rotate(ka_matrix_t *m, ezxml_t tag); - -/* parse a <scale> tag into a ka_matrix_t */ -int kai_parse_scale(ka_matrix_t *m, ezxml_t tag); - -/* parse a <translate> tag into a ka_matrix_t */ -int kai_parse_translate(ka_matrix_t *m, ezxml_t tag); - -#endif diff --git a/src/transform/transform.test.c b/src/transform/transform.test.c deleted file mode 100644 index 4b1e329..0000000 --- a/src/transform/transform.test.c +++ /dev/null @@ -1,316 +0,0 @@ -#include <string.h> -#include <kalmia.h> -#include "test/test.h" -#include "transform.h" - -void create_identity(); -void multiply(); - -void parse_matrix_fail_nonmatrix(); -void parse_identity(); - -void parse_rotate_fail(); -void parse_rotate(); - -void parse_scale_fail(); -void parse_scale(); - -void parse_translate_fail(); -void parse_translate(); - - -void suite_transform() -{ - lily_run_test(create_identity); - lily_run_test(multiply); - lily_run_test(parse_matrix_fail_nonmatrix); - lily_run_test(parse_identity); - lily_run_test(parse_rotate_fail); - lily_run_test(parse_rotate); - lily_run_test(parse_scale_fail); - lily_run_test(parse_scale); - lily_run_test(parse_translate_fail); - lily_run_test(parse_translate); -} - - -/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ - -/* ======== basic ======== */ - -void create_identity() -{ - ka_matrix_t mat; - mat[0] = 100; - int rc = kai_identity(&mat); - lily_assert_true(rc == 0); - - lily_assert_float_equal(mat[0], 1.0f, 1e-3); - lily_assert_float_equal(mat[1], 0.0f, 1e-3); - lily_assert_float_equal(mat[2], 0.0f, 1e-3); - lily_assert_float_equal(mat[3], 0.0f, 1e-3); - lily_assert_float_equal(mat[4], 0.0f, 1e-3); - lily_assert_float_equal(mat[5], 1.0f, 1e-3); - lily_assert_float_equal(mat[6], 0.0f, 1e-3); - lily_assert_float_equal(mat[7], 0.0f, 1e-3); - lily_assert_float_equal(mat[8], 0.0f, 1e-3); - lily_assert_float_equal(mat[9], 0.0f, 1e-3); - lily_assert_float_equal(mat[10], 1.0f, 1e-3); - lily_assert_float_equal(mat[11], 0.0f, 1e-3); - lily_assert_float_equal(mat[12], 0.0f, 1e-3); - lily_assert_float_equal(mat[13], 0.0f, 1e-3); - lily_assert_float_equal(mat[14], 0.0f, 1e-3); - lily_assert_float_equal(mat[15], 1.0f, 1e-3); -} - - -void multiply() -{ - ka_matrix_t A = { - 2.0f, 0.0f, 1.0f, 0.0f, - 0.0f, 3.0f, 0.0f, 0.0f, - 0.0f, 0.0f, 1.0f, 0.0f, - 0.0f, 0.0f, 0.0f, 1.0f, - }; - - ka_matrix_t B = { - 0.0f, 3.0f, 0.0f, 0.0f, - 1.0f, 0.0f, 1.0f, 0.0f, - 0.0f, 2.0f, 2.0f, 0.0f, - 0.0f, 0.0f, 0.0f, 1.0f, - }; - - int rc = kai_multiply(&A, A, B); - lily_assert_true(rc == 0); - - lily_assert_float_equal(A[0], 0.0f, 1e-3); - lily_assert_float_equal(A[1], 8.0f, 1e-3); - lily_assert_float_equal(A[2], 2.0f, 1e-3); - lily_assert_float_equal(A[3], 0.0f, 1e-3); - - lily_assert_float_equal(A[4], 3.0f, 1e-3); - lily_assert_float_equal(A[5], 0.0f, 1e-3); - lily_assert_float_equal(A[6], 3.0f, 1e-3); - lily_assert_float_equal(A[7], 0.0f, 1e-3); - - lily_assert_float_equal(A[8], 0.0f, 1e-3); - lily_assert_float_equal(A[9], 2.0f, 1e-3); - lily_assert_float_equal(A[10], 2.0f, 1e-3); - lily_assert_float_equal(A[11], 0.0f, 1e-3); - - lily_assert_float_equal(A[12], 0.0f, 1e-3); - lily_assert_float_equal(A[13], 0.0f, 1e-3); - lily_assert_float_equal(A[14], 0.0f, 1e-3); - lily_assert_float_equal(A[15], 1.0f, 1e-3); -} - - -/* ======== matrix ======== */ -void parse_matrix_fail_nonmatrix() -{ - char str[128]; - strncpy(str, "<nonmatrix></nonmatrix>", 128); - ezxml_t tag = ezxml_parse_str(str, strlen(str)); - - ka_matrix_t mat; - int rc = kai_parse_matrix(&mat, tag); - lily_assert_true(rc != 0); - - ezxml_free(tag); -} - - -void parse_identity() -{ - char str[512]; - strncpy( - str, - "<matrix>\n" - " 1 0 0 0\n" - " 0 1 0 0\n" - " 0 0 1 0\n" - " 0 0 0 1\n" - "</matrix>", - 512 - ); - ezxml_t tag = ezxml_parse_str(str, strlen(str)); - - ka_matrix_t mat; - mat[0] = 100; - int rc = kai_parse_matrix(&mat, tag); - lily_assert_true(rc == 0); - ezxml_free(tag); - - lily_assert_float_equal(mat[0], 1.0f, 1e-3); - lily_assert_float_equal(mat[1], 0.0f, 1e-3); - lily_assert_float_equal(mat[2], 0.0f, 1e-3); - lily_assert_float_equal(mat[3], 0.0f, 1e-3); - lily_assert_float_equal(mat[4], 0.0f, 1e-3); - lily_assert_float_equal(mat[5], 1.0f, 1e-3); - lily_assert_float_equal(mat[6], 0.0f, 1e-3); - lily_assert_float_equal(mat[7], 0.0f, 1e-3); - lily_assert_float_equal(mat[8], 0.0f, 1e-3); - lily_assert_float_equal(mat[9], 0.0f, 1e-3); - lily_assert_float_equal(mat[10], 1.0f, 1e-3); - lily_assert_float_equal(mat[11], 0.0f, 1e-3); - lily_assert_float_equal(mat[12], 0.0f, 1e-3); - lily_assert_float_equal(mat[13], 0.0f, 1e-3); - lily_assert_float_equal(mat[14], 0.0f, 1e-3); - lily_assert_float_equal(mat[15], 1.0f, 1e-3); -} - - -/* ======== rotate ======== */ -void parse_rotate_fail() -{ - char str[128]; - strncpy(str, "<non></non>", 128); - ezxml_t tag = ezxml_parse_str(str, strlen(str)); - - ka_matrix_t mat; - int rc = kai_parse_rotate(&mat, tag); - lily_assert_true(rc != 0); - - ezxml_free(tag); -} - - -void parse_rotate() -{ - char str[512]; - strncpy( - str, - "<rotate>\n" - " 0 1 0 90.0\n" - "</rotate>", - 512 - ); - ezxml_t tag = ezxml_parse_str(str, strlen(str)); - - ka_matrix_t mat; - mat[0] = 100; - int rc = kai_parse_rotate(&mat, tag); - lily_assert_true(rc == 0); - ezxml_free(tag); - - lily_assert_float_equal(mat[0], 0.0f, 1e-3); - lily_assert_float_equal(mat[1], 0.0f, 1e-3); - lily_assert_float_equal(mat[2], 1.0f, 1e-3); - lily_assert_float_equal(mat[3], 0.0f, 1e-3); - lily_assert_float_equal(mat[4], 0.0f, 1e-3); - lily_assert_float_equal(mat[5], 1.0f, 1e-3); - lily_assert_float_equal(mat[6], 0.0f, 1e-3); - lily_assert_float_equal(mat[7], 0.0f, 1e-3); - lily_assert_float_equal(mat[8], -1.0f, 1e-3); - lily_assert_float_equal(mat[9], 0.0f, 1e-3); - lily_assert_float_equal(mat[10], 0.0f, 1e-3); - lily_assert_float_equal(mat[11], 0.0f, 1e-3); - lily_assert_float_equal(mat[12], 0.0f, 1e-3); - lily_assert_float_equal(mat[13], 0.0f, 1e-3); - lily_assert_float_equal(mat[14], 0.0f, 1e-3); - lily_assert_float_equal(mat[15], 1.0f, 1e-3); -} - - -/* ======== scale ======== */ -void parse_scale_fail() -{ - char str[128]; - strncpy(str, "<non></non>", 128); - ezxml_t tag = ezxml_parse_str(str, strlen(str)); - - ka_matrix_t mat; - int rc = kai_parse_scale(&mat, tag); - lily_assert_true(rc != 0); - - ezxml_free(tag); -} - - -void parse_scale() -{ - char str[512]; - strncpy( - str, - "<scale>\n" - " 10 5 -1\n" - "</scale>", - 512 - ); - ezxml_t tag = ezxml_parse_str(str, strlen(str)); - - ka_matrix_t mat; - mat[0] = 100; - int rc = kai_parse_scale(&mat, tag); - lily_assert_true(rc == 0); - ezxml_free(tag); - - lily_assert_float_equal(mat[0], 10.0f, 1e-3); - lily_assert_float_equal(mat[1], 0.0f, 1e-3); - lily_assert_float_equal(mat[2], 0.0f, 1e-3); - lily_assert_float_equal(mat[3], 0.0f, 1e-3); - lily_assert_float_equal(mat[4], 0.0f, 1e-3); - lily_assert_float_equal(mat[5], 5.0f, 1e-3); - lily_assert_float_equal(mat[6], 0.0f, 1e-3); - lily_assert_float_equal(mat[7], 0.0f, 1e-3); - lily_assert_float_equal(mat[8], 0.0f, 1e-3); - lily_assert_float_equal(mat[9], 0.0f, 1e-3); - lily_assert_float_equal(mat[10],-1.0f, 1e-3); - lily_assert_float_equal(mat[11], 0.0f, 1e-3); - lily_assert_float_equal(mat[12], 0.0f, 1e-3); - lily_assert_float_equal(mat[13], 0.0f, 1e-3); - lily_assert_float_equal(mat[14], 0.0f, 1e-3); - lily_assert_float_equal(mat[15], 1.0f, 1e-3); -} - - -/* ======== translate ======== */ -void parse_translate_fail() -{ - char str[128]; - strncpy(str, "<non></non>", 128); - ezxml_t tag = ezxml_parse_str(str, strlen(str)); - - ka_matrix_t mat; - int rc = kai_parse_translate(&mat, tag); - lily_assert_true(rc != 0); - - ezxml_free(tag); -} - - -void parse_translate() -{ - char str[512]; - strncpy( - str, - "<translate>\n" - " 10 5 -1\n" - "</translate>", - 512 - ); - ezxml_t tag = ezxml_parse_str(str, strlen(str)); - - ka_matrix_t mat; - mat[0] = 100; - int rc = kai_parse_translate(&mat, tag); - lily_assert_true(rc == 0); - ezxml_free(tag); - - lily_assert_float_equal(mat[0], 1.0f, 1e-3); - lily_assert_float_equal(mat[1], 0.0f, 1e-3); - lily_assert_float_equal(mat[2], 0.0f, 1e-3); - lily_assert_float_equal(mat[3], 10.0f, 1e-3); - lily_assert_float_equal(mat[4], 0.0f, 1e-3); - lily_assert_float_equal(mat[5], 1.0f, 1e-3); - lily_assert_float_equal(mat[6], 0.0f, 1e-3); - lily_assert_float_equal(mat[7], 5.0f, 1e-3); - lily_assert_float_equal(mat[8], 0.0f, 1e-3); - lily_assert_float_equal(mat[9], 0.0f, 1e-3); - lily_assert_float_equal(mat[10], 1.0f, 1e-3); - lily_assert_float_equal(mat[11],-1.0f, 1e-3); - lily_assert_float_equal(mat[12], 0.0f, 1e-3); - lily_assert_float_equal(mat[13], 0.0f, 1e-3); - lily_assert_float_equal(mat[14], 0.0f, 1e-3); - lily_assert_float_equal(mat[15], 1.0f, 1e-3); -} |