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efl/src/tests/evas/evas_test_filters.c

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/* Unit test cases for the filters submodule.
* For now, limited to Evas_Object_Text, but I prefer to separate these
* functions from the core text object.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <stdio.h>
#include "evas_suite.h"
#include "Evas.h"
#include "Ecore_Evas.h"
#include "../../lib/evas/include/evas_filter.h"
#define TEST_FONT_NAME "DejaVuSans,UnDotum"
#define TEST_FONT_SOURCE TESTS_SRC_DIR "/TestFont.eet"
#define START_FILTER_TEST() \
Ecore_Evas *ee; Evas *evas; \
Evas_Object *to; \
evas_init(); \
ecore_evas_init(); \
ee = ecore_evas_buffer_new(1, 1); \
ecore_evas_show(ee); \
ecore_evas_manual_render_set(ee, EINA_TRUE); \
evas = ecore_evas_get(ee); \
evas_font_hinting_set(evas, EVAS_FONT_HINTING_AUTO); \
to = evas_object_text_add(evas); \
evas_object_text_font_set(to, TEST_FONT_NAME, 20); \
evas_object_text_text_set(to, "Tests"); \
evas_object_show(to); \
evas_object_text_font_source_set(to, TEST_FONT_SOURCE); \
do {} while (0)
#define END_FILTER_TEST() \
evas_object_del(to); \
ecore_evas_free(ee); \
ecore_evas_shutdown(); \
evas_shutdown(); \
do {} while (0)
#ifdef LITTLE_ENDIAN
#define ALPHA 3
#define RGB0 0
#define RGB3 3
#define RED 2
#define GREEN 1
#define BLUE 0
#else
#define ALPHA 0
#define RGB0 1
#define RGB3 4
#define RED 0
#define GREEN 1
#define BLUE 2
#endif
START_TEST(evas_filter_parser)
{
Evas_Filter_Program *pgm;
// It's practically impossible to test all combinations since the language
// itself is full featured. Let's just ensure that our main functions exist
// and that calling them (kinda) works.
#define CHECK_FILTER(_a, _v) do { \
pgm = evas_filter_program_new("evas_suite", EINA_TRUE); \
if (evas_filter_program_parse(pgm, _a) != _v) \
fail("Filter test failed (result should be %s):\n%s", # _v, _a); \
evas_filter_program_del(pgm); \
} while (0)
#define CHKGOOD(_a) CHECK_FILTER(_a, EINA_TRUE)
#define CHKBAAD(_a) CHECK_FILTER(_a, EINA_FALSE)
static const char *good [] = {
// Single command names
"blend()",
"blur()",
"grow(10)",
"fill()",
"curve('0:0-255:255')",
"padding_set(10)",
"transform(output)",
// Buffer modes
"a = buffer() blend()",
"a = buffer('alpha') blend()",
"a = buffer('rgba') blend()",
"a = buffer{src = 'partname'} blend()",
// Lua comments
"blend() -- comment",
"--comment\n blend()",
"--[[ long comment\n blend() continues --]] blend()",
// Combinations
"blend() blend()",
"m = buffer() transform({ m, op = 'vflip', src = input, oy = 0 })",
// All default commands
"blend ({ src = input, dst = output, ox = 0, oy = 0, color = 'white', fillmode = 'none' })",
"blur ({ rx = 3, ry = nil, type = 'default', ox = 0, oy = 0, color = 'white', src = input, dst = output })",
"bump ({ map, azimuth = 135.0, elevation = 45.0, depth = 8.0, specular = 0.0,"
"color = 'white', compensate = false, src = input, dst = output,"
"black = 'black', white = 'white', fillmode = 'repeat' })",
"curve ({ points, interpolation = 'linear', channel = 'rgb', src = input, dst = output })",
"m = buffer ('rgba') displace ({ m, intensity = 10, flags = 'default', src = input, dst = output, fillmode = 'repeat' })",
"fill ({ dst = output, color = 'transparent', l = 0, r = 0, t = 0, b = 0 })",
"grow ({ radius, smooth = true, src = input, dst = output })",
"m = buffer('alpha') mask ({ m, src = input, dst = output, color = 'white', fillmode = 'repeat' })",
"transform ({ output, op = 'vflip', src = input, oy = 0 })",
"padding_set ({ 1, 2, 3, 4 })",
NULL
};
static const char *bad[] = {
"", // Empty filters should fail
"function run () blend () end", // run() won't be called, filter is empty
// All default commands with one extra invalid argument
"blend ({ src = input, dst = output, ox = 0, oy = 0, color = 'white', fillmode = 'none', invalid = 42 })",
"blur ({ rx = 3, ry = nil, type = 'default', ox = 0, oy = 0, color = 'white', src = input, dst = output, invalid = 42 })",
"bump ({ map, azimuth = 135.0, elevation = 45.0, depth = 8.0, specular = 0.0,"
"color = 'white', compensate = false, src = input, dst = output,"
"black = 'black', white = 'white', fillmode = 'repeat', invalid = 42 })",
"curve ({ points, interpolation = 'linear', channel = 'rgb', src = input, dst = output, invalid = 42 })",
"m = buffer ('rgba') displace ({ m, intensity = 10, flags = 'default', src = input, dst = output, fillmode = 'repeat', invalid = 42 })",
"fill ({ dst = output, color = 'transparent', l = 0, r = 0, t = 0, b = 0, invalid = 42 })",
"grow ({ radius, smooth = true, src = input, dst = output, invalid = 42 })",
"m = buffer('alpha') mask ({ m, src = input, dst = output, color = 'white', fillmode = 'repeat', invalid = 42 })",
"transform ({ output, op = 'vflip', src = input, oy = 0, invalid = 42 })",
"padding_set ({ 1, 2, 3, 4, invalid = 42 })",
// Wrong order of arguments
"blur({ 1, ry=12, ox=24, 43 })",
//"blur({ 1, ox=24, 43 })", // not sure if that's possible to fix with lua
// Some early check failures
//"m = buffer ('alpha') displace ({ m, intensity = 10, flags = 'default', src = input, dst = output, fillmode = 'repeat' })",
"m = buffer ('rgba') displace ({ m, intensity = 10, flags = 'invalid', src = input, dst = output, fillmode = 'repeat', invalid = 42 })",
NULL
};
fail_if(evas_filter_program_parse(NULL, "blend()"));
pgm = evas_filter_program_new("evas_suite", EINA_TRUE);
fail_if(evas_filter_program_parse(NULL, NULL));
evas_filter_program_del(pgm);
for (int k = 0; good[k]; k++)
CHKGOOD(good[k]);
for (int k = 0; bad[k]; k++)
CHKBAAD(bad[k]);
// All colors
static const char *colors [] = {
"white",
"black",
"red",
"green",
"blue",
"darkblue",
"yellow",
"magenta",
"cyan",
"orange",
"purple",
"brown",
"maroon",
"lime",
"gray",
"grey",
"silver",
"olive",
"invisible",
"transparent",
"#ABC",
"#ABCF",
"#AABBCC",
"#AABBCCFF",
"WHITE",
"White"
};
static const char *colors_bad[] = {
"newcolor",
"ABC",
"#ZZZ",
"#-10"
};
for (size_t c = 0; c < sizeof(colors) / sizeof(colors[0]); c++)
{
char buf[64];
sprintf(buf, "blend { color = '%s' }", colors[c]);
CHKGOOD(buf);
}
for (size_t c = 0; c < sizeof(colors_bad) / sizeof(colors_bad[0]); c++)
{
char buf[64];
sprintf(buf, "blend { color = '%s' }", colors_bad[c]);
CHKBAAD(buf);
}
// fillmodes are parsed when converting from instructions to commands
}
END_TEST
struct Filter_Test_Case {
int l, r, t, b;
const char *code;
const char *source;
};
/*
* The following test case are tailored to cover as much code as possible in
* evas/filters. This is a bit artificial, but at least we'll verify that all
* filters produce something and not garbage data.
*
* NOTE: If the filters fail to link (program_use()), then Evas_Object_Text
* will fallback to normal rendering. As a consequence, the pixels will look
* fine, and there won't be an error.
*/
static struct Filter_Test_Case _test_cases[] = {
// Single filters. Blend can be used to ensure all filters are valid.
{ 0, 0, 0, 0, "blend ()", NULL },
{ 7, 0, 11, 0, "blend ({ ox = -7, oy = -11 })", NULL },
{ 0, 7, 0, 11, "blend ({ ox = 7, oy = 11 })", NULL },
{ 0, 0, 0, 0, "a = buffer ({ 'rgba' }) b = buffer ({ 'alpha' }) blend ({ dst = a }) blend ({ src = a, dst = b }) blend ({ b })", NULL },
{ 5, 5, 7, 7, "blur ({ rx = 5, ry = 7 })", NULL },
{ 0, 0, 5, 5, "blur ({ rx = 0, ry = 5, type = 'box' })", NULL },
{ 0, 0, 5, 5, "a = buffer ({ 'rgba' }) blend ({ dst = a }) blur ({ src = a, rx = 0, ry = 5, type = 'box' })", NULL },
{ 5, 5, 0, 0, "blur ({ rx = 5, ry = 0, type = 'gaussian' })", NULL },
{ 5, 15, 7, 0, "blur ({ rx = 5, ry = 0, ox = 10, oy = -7, type = 'default' })", NULL },
{ 5, 5, 5, 5, "grow ({ 5 })", NULL },
{ 0, 0, 0, 0, "a = buffer ({ 'alpha' }) blend ({ dst = a }) curve ({ '0:0-255:255', src = a,dst = a }) blend ({ a })", NULL },
{ 0, 0, 0, 0, "a = buffer ({ 'alpha' }) blend ({ dst = a }) curve ({ '0:0-255:255',dst = a }) blend ({ a })", NULL },
{ 0, 0, 0, 0, "a = buffer ({ 'rgba' }) blend ({ dst = a }) curve ({ '0:0-255:255', src = a, channel = 'r' })", NULL },
{ 0, 0, 0, 0, "a = buffer ({ 'rgba' }) blend ({ dst = a }) curve ({ '0:128-128:0', src = a, channel = 'rgb', interpolation = 'none' })", NULL },
{ 0, 0, 0, 0, "fill ({ color = 'red' })", NULL },
{ 0, 0, 0, 0, "a = buffer ({ 'alpha' }) blend ({ dst = a }) mask ({ a })", NULL },
{ 0, 0, 0, 0, "a = buffer ({ 'alpha' }) b = buffer ({ 'alpha' }) blend ({ dst = a }) mask ({ a,dst = b }) blend ({ b })", NULL },
{ 0, 0, 0, 0, "a = buffer ({ 'rgba' }) blend ({ dst = a }) mask ({ a })", NULL },
{ 0, 0, 0, 0, "a = buffer ({ 'rgba' }) blend ({ dst = a }) mask ({ mask=input, src = a })", NULL },
{ 0, 0, 0, 0, "a = buffer ({ 'rgba' }) b = buffer ({ 'rgba' }) blend ({ dst = b, color = 'red' }) blend ({ dst = a }) mask ({ a, src = b })", NULL },
// Note: 'alpha' bump is not tested. Its render quality must be improved first.
{ 0, 0, 0, 0, "a = buffer ({ 'alpha' }) blend ({ dst = a }) bump ({ a })", NULL },
{ 0, 0, 0, 0, "a = buffer ({ 'alpha' }) blend ({ dst = a }) bump ({ a,compensate=yes,specular=10.0 })", NULL },
{ 7, 7, 7, 7, "a = buffer ({ 'alpha' }) b = buffer ({ 'rgba' }) blend ({ dst = b, color = '#330' }) displace ({ map = b, src = input, dst = a, intensity = 7 }) blend ({ a })", NULL },
{ 7, 7, 7, 7, "a = buffer ({ 'alpha' }) b = buffer ({ 'rgba' }) blend ({ dst = b, color = '#330' }) blend ({ dst = a }) displace ({ map = b, src = a, intensity = 7 })", NULL },
{ 7, 7, 7, 7, "a = buffer ({ 'rgba' }) b = buffer ({ 'rgba' }) blend ({ dst = b, color = '#330' }) blend ({ dst = a }) displace ({ map = b, src = a, intensity = 7 })", NULL },
{ 7, 7, 7, 7, "a = buffer ({ 'rgba' }) b = buffer ({ 'rgba' }) blend ({ dst = b, color = '#330' }) blend ({ dst = a }) displace ({ map = b, src = a, intensity = 7, flags = 'default' })", NULL },
{ 7, 7, 7, 7, "a = buffer ({ 'rgba' }) b = buffer ({ 'rgba' }) blend ({ dst = b, color = '#330' }) blend ({ dst = a }) displace ({ map = b, src = a, intensity = 7, flags = 'nearest' })", NULL },
{ 7, 7, 7, 7, "a = buffer ({ 'rgba' }) b = buffer ({ 'rgba' }) blend ({ dst = b, color = '#330' }) blend ({ dst = a }) displace ({ map = b, src = a, intensity = 7, flags = 'smooth' })", NULL },
{ 7, 7, 7, 7, "a = buffer ({ 'rgba' }) b = buffer ({ 'rgba' }) blend ({ dst = b, color = '#330' }) blend ({ dst = a }) displace ({ map = b, src = a, intensity = 7, flags = 'nearest_stretch' })", NULL },
{ 7, 7, 7, 7, "a = buffer ({ 'rgba' }) b = buffer ({ 'rgba' }) blend ({ dst = b, color = '#330' }) blend ({ dst = a }) displace ({ map = b, src = a, intensity = 7, flags = 'smooth_stretch' })", NULL },
{ 0, 0, 0, 40, "a = buffer ({ 'alpha' }) transform ({ a, 'vflip', oy = 20 }) blend ({ src = a })", NULL },
{ 0, 0, 40, 0, "a = buffer ({ 'alpha' }) transform ({ a, 'vflip', oy = -20 }) blend ({ src = a })", NULL },
{ 0, 0, 0, 40, "a = buffer ({ 'alpha' }) blend ({ dst = a }) transform ({ a, 'vflip', oy = 20, src = a }) blend ({ src = a })", NULL },
// Filter combos. TODO: Add some more tricky cases : })
{ 3, 5, 7, 11, "blend ({ ox = -3, oy = 11 }) blend ({ ox = 5, oy = -7 })", NULL },
{ 15, 15, 15, 15, "a = buffer ({ 'rgba' }) grow ({ 10,dst = a }) blur ({ 5, src = a })", NULL },
{ 10, 15, 10, 17, "a = buffer ({ 'alpha' }) blend ({ dst = a, ox = 5, oy = 7 }) blur ({ 10, src = a }) blend ({ ox = -6, oy = -9 })", NULL },
{ 5, 5, 5, 5, "a = buffer ({ 'alpha' }) blur ({ 5,dst = a }) bump ({ a, azimuth = 45.0, color = 'yellow' })", NULL },
// Proxy tests ({ RECT as a proxy object })
{ 0, 0, 0, 0, "m = buffer ({ src = rect }) mask ({ m, fillmode = 'none' })", "rect" },
{ 0, 0, 0, 0, "m = buffer ({ src = rect }) mask ({ m, fillmode = 'repeat_x_stretch_y' })", "rect" },
{ 0, 0, 0, 0, "m = buffer ({ src = rect }) mask ({ m, fillmode = 'repeat' })", "rect" },
{ 0, 0, 0, 0, "m = buffer ({ src = rect }) mask ({ m, fillmode = 'stretch' })", "rect" },
{ 0, 0, 0, 0, "m = buffer ({ src = rect }) b = buffer ({ 'rgba' }) blend ({ m,dst = b, fillmode = 'repeat_x_stretch_y' }) blend ()", "rect" },
// Padding_set
{ 11, 22, 33, 44, "padding_set ({ 11,22,33,44 }) blend ()"}
};
static const int _test_cases_count = sizeof(_test_cases) / sizeof(_test_cases[0]);
START_TEST(evas_filter_text_padding_test)
{
START_FILTER_TEST();
Evas_Coord x, y, w, h, W, H;
int l, r, t, b;
evas_object_geometry_get(to, &x, &y, &w, &h);
printf("Geometry: %dx%d+%d,%d\n", w, h, x, y);
for (int k = 0; k < _test_cases_count; k++)
{
struct Filter_Test_Case *tc = &(_test_cases[k]);
l = r = t = b = 0;
// Don't test proxy cases here.
if (tc->source) continue;
eo_do(to, evas_obj_text_filter_program_set(tc->code));
evas_object_text_style_pad_get(to, &l, &r, &t, &b);
evas_object_geometry_get(to, NULL, NULL, &W, &H);
printf("Case %d: %dx%d for padding %d,%d,%d,%d\n", k, W, H, l, r, t, b);
if ((l != tc->l) || (r != tc->r) || (t != tc->t) || (b != tc->b))
fail("Failed on invalid padding with '%s'\n", tc->code);
if ((W != (tc->l + tc->r + w)) || (H != (tc->t + tc->b + h)))
fail("Failed on invalid geometry with '%s'\n", tc->code);
}
END_FILTER_TEST();
}
END_TEST
/* This will only check that all pixels are valid premultiplied values
* and that they are not all zero.
*/
static Eina_Bool
_ecore_evas_pixels_check(Ecore_Evas *ee)
{
const DATA32 *pixels;
Eina_Bool nonzero = EINA_FALSE;
int w = 0, h = 0;
pixels = ecore_evas_buffer_pixels_get(ee);
if (!pixels) return EINA_FALSE;
ecore_evas_geometry_get(ee, NULL, NULL, &w, &h);
if (!w || !h) return EINA_FALSE;
for (int k = w * h; k; k--, pixels++)
{
DATA8 *rgba = (DATA8 *) pixels;
if (*pixels && (*pixels != 0xFF000000)) nonzero = EINA_TRUE;
if ((rgba[ALPHA] < rgba[RED])
|| (rgba[ALPHA] < rgba[GREEN])
|| (rgba[ALPHA] < rgba[BLUE]))
{
printf("Invalid RGBA values!\n");
return EINA_FALSE;
}
}
if (!nonzero) printf("All pixels are empty!\n");
return nonzero;
}
START_TEST(evas_filter_text_render_test)
{
Evas_Filter_Program *pgm;
/* FIXME:
* START_FILTER_TEST should be here instead of in the for loop
* But there seems to be a problem with ecore_evas_buffer as the second
* call to pixels_get will return some garbage. Always.
*/
for (int k = 0; k < _test_cases_count; k++)
{
START_FILTER_TEST();
Evas_Object *rect, *o = NULL;
Evas_Coord w, h;
ecore_evas_alpha_set(ee, EINA_TRUE);
ecore_evas_transparent_set(ee, EINA_TRUE);
rect = evas_object_rectangle_add(evas);
evas_object_color_set(rect, 0, 0, 0, 0);
evas_object_move(rect, 0, 0);
evas_object_stack_below(rect, to);
evas_object_show(rect);
struct Filter_Test_Case *tc = &(_test_cases[k]);
w = h = 0;
CHKGOOD(tc->code);
if (tc->source)
{
o = evas_object_rectangle_add(evas);
evas_object_color_set(o, 0, 255, 0, 255);
evas_object_move(o, -999, -9999);
evas_object_resize(o, 10, 10);
evas_object_show(o);
eo_do(to,
evas_obj_color_set(255, 255, 255, 255),
evas_obj_text_filter_source_set(tc->source, o),
evas_obj_text_filter_program_set(tc->code));
}
else
{
eo_do(to,
evas_obj_color_set(255, 255, 255, 255),
evas_obj_text_filter_program_set(tc->code));
}
evas_object_geometry_get(to, NULL, NULL, &w, &h);
ecore_evas_resize(ee, w, h);
evas_object_resize(to, w, h);
evas_object_resize(rect, w, h);
ecore_evas_manual_render(ee);
if (!_ecore_evas_pixels_check(ee))
fail("Render test failed with: [%dx%d] '%s'", w, h, tc->code);
evas_object_del(o);
evas_object_del(rect);
END_FILTER_TEST();
}
}
END_TEST
void evas_test_filters(TCase *tc)
{
tcase_add_test(tc, evas_filter_parser);
tcase_add_test(tc, evas_filter_text_padding_test);
tcase_add_test(tc, evas_filter_text_render_test);
}
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