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# -*- coding: utf-8 -*-
import os
import sys
import pytest
from struct import unpack
from ctypes import byref, c_int, c_uint16
from sdl2 import SDL_Init, SDL_Quit, SDL_Color, surface, version, rwops
sdlttf = pytest.importorskip("sdl2.sdlttf")
fontfile = os.path.join(os.path.dirname(os.path.abspath(__file__)),
"resources", "tuffy.ttf").encode("utf-8")
class TestSDLTTF(object):
__tags__ = ["sdl", "sdlttf"]
@classmethod
def setup_class(cls):
SDL_Init(0)
sdlttf.TTF_Init()
@classmethod
def teardown_class(cls):
sdlttf.TTF_Quit()
SDL_Quit()
def test_TTF_Linked_Version(self):
v = sdlttf.TTF_Linked_Version()
assert isinstance(v.contents, version.SDL_version)
assert v.contents.major == 2
assert v.contents.minor >= 0
assert v.contents.patch >= 0
t = (v.contents.major, v.contents.minor, v.contents.patch)
assert t >= (2, 0, 12)
assert t == sdlttf.dll.version_tuple
def test_TTF_Font(self):
font = sdlttf.TTF_Font()
assert isinstance(font, sdlttf.TTF_Font)
def test_TTF_InitQuit(self):
# Every time TTF_Init() is run, internal number increments by 1,
# every time TTF_Quit() is run, internal number decrements by 1 and
# only actually quits when internal number == 0
sdlttf.TTF_Init()
sdlttf.TTF_Init()
assert sdlttf.TTF_WasInit()
sdlttf.TTF_Quit()
sdlttf.TTF_Quit()
sdlttf.TTF_Quit()
assert not sdlttf.TTF_WasInit()
sdlttf.TTF_Init()
assert sdlttf.TTF_WasInit()
def test_TTF_OpenCloseFont(self):
for x in range(6, 26):
font = sdlttf.TTF_OpenFont(fontfile, x)
assert isinstance(font.contents, sdlttf.TTF_Font)
sdlttf.TTF_CloseFont(font)
def test_TTF_OpenFontIndex(self):
for x in range(6, 26):
font = sdlttf.TTF_OpenFontIndex(fontfile, x, 0)
assert isinstance(font.contents, sdlttf.TTF_Font)
sdlttf.TTF_CloseFont(font)
def test_TTF_OpenFontRW(self):
fp = open(fontfile, "rb")
fontrw = rwops.rw_from_object(fp)
for x in range(6, 26):
fp.seek(0)
font = sdlttf.TTF_OpenFontRW(fontrw, 0, x)
assert isinstance(font.contents, sdlttf.TTF_Font)
sdlttf.TTF_CloseFont(font)
fp.close()
def test_TTF_OpenFontIndexRW(self):
fp = open(fontfile, "rb")
fontrw = rwops.rw_from_object(fp)
for x in range(6, 26):
fp.seek(0)
font = sdlttf.TTF_OpenFontIndexRW(fontrw, 0, x, 0)
assert isinstance(font.contents, sdlttf.TTF_Font)
sdlttf.TTF_CloseFont(font)
fp.close()
def test_TTF_GetSetFontStyle(self):
normal = sdlttf.TTF_STYLE_NORMAL
bold = sdlttf.TTF_STYLE_BOLD
italic = sdlttf.TTF_STYLE_ITALIC
underline = sdlttf.TTF_STYLE_UNDERLINE
font = sdlttf.TTF_OpenFont(fontfile, 10)
assert isinstance(font.contents, sdlttf.TTF_Font)
assert sdlttf.TTF_GetFontStyle(font) == normal
sdlttf.TTF_SetFontStyle(font, bold)
assert sdlttf.TTF_GetFontStyle(font) == bold
sdlttf.TTF_SetFontStyle(font, bold | italic)
assert sdlttf.TTF_GetFontStyle(font) == bold | italic
sdlttf.TTF_SetFontStyle(font, bold | underline)
assert sdlttf.TTF_GetFontStyle(font) == bold | underline
sdlttf.TTF_CloseFont(font)
def test_TTF_GetSetFontOutline(self):
font = sdlttf.TTF_OpenFont(fontfile, 10)
assert sdlttf.TTF_GetFontOutline(font) == 0
for x in range(1, 11):
sdlttf.TTF_SetFontOutline(font, x)
assert sdlttf.TTF_GetFontOutline(font) == x
sdlttf.TTF_CloseFont(font)
def test_TTF_GetSetFontHinting(self):
font = sdlttf.TTF_OpenFont(fontfile, 10)
assert sdlttf.TTF_GetFontHinting(font) == sdlttf.TTF_HINTING_NORMAL
for hint in (sdlttf.TTF_HINTING_NORMAL, sdlttf.TTF_HINTING_LIGHT,
sdlttf.TTF_HINTING_MONO, sdlttf.TTF_HINTING_NONE):
sdlttf.TTF_SetFontHinting(font, hint)
assert sdlttf.TTF_GetFontHinting(font) == hint
sdlttf.TTF_CloseFont(font)
def test_TTF_FontHeight(self):
last = cur = 0
for ptsize in range(6, 26):
font = sdlttf.TTF_OpenFont(fontfile, ptsize)
cur = sdlttf.TTF_FontHeight(font)
assert cur >= last
last = cur
sdlttf.TTF_CloseFont(font)
def test_TTF_FontAscent(self):
last = cur = 0
for ptsize in range(6, 26):
font = sdlttf.TTF_OpenFont(fontfile, ptsize)
cur = sdlttf.TTF_FontAscent(font)
assert cur >= last
last = cur
sdlttf.TTF_CloseFont(font)
def test_TTF_FontDescent(self):
last = cur = 0
for ptsize in range(6, 26):
font = sdlttf.TTF_OpenFont(fontfile, ptsize)
cur = sdlttf.TTF_FontDescent(font)
assert cur <= last
last = cur
sdlttf.TTF_CloseFont(font)
def test_TTF_FontLineSkip(self):
last = cur = 0
for ptsize in range(6, 26):
font = sdlttf.TTF_OpenFont(fontfile, ptsize)
cur = sdlttf.TTF_FontLineSkip(font)
assert cur >= last
last = cur
sdlttf.TTF_CloseFont(font)
def test_TTF_GetSetFontKerning(self):
font = sdlttf.TTF_OpenFont(fontfile, 10)
assert sdlttf.TTF_GetFontKerning(font) == 1
sdlttf.TTF_SetFontKerning(font, 0)
assert sdlttf.TTF_GetFontKerning(font) == 0
sdlttf.TTF_SetFontKerning(font, 1)
assert sdlttf.TTF_GetFontKerning(font) == 1
sdlttf.TTF_SetFontKerning(font, 0)
assert sdlttf.TTF_GetFontKerning(font) == 0
sdlttf.TTF_CloseFont(font)
@pytest.mark.skip("not implemented")
def test_TTF_GetFontKerningSizeGlyphs(self):
pass
def test_TTF_FontFaces(self):
font = sdlttf.TTF_OpenFont(fontfile, 10)
assert sdlttf.TTF_FontFaces(font) >= 1
sdlttf.TTF_CloseFont(font)
def test_TTF_FontFaceIsFixedWidth(self):
font = sdlttf.TTF_OpenFont(fontfile, 10)
assert not sdlttf.TTF_FontFaceIsFixedWidth(font)
sdlttf.TTF_CloseFont(font)
def test_TTF_FontFaceFamilyName(self):
font = sdlttf.TTF_OpenFont(fontfile, 10)
assert sdlttf.TTF_FontFaceFamilyName(font) == b"Tuffy"
sdlttf.TTF_CloseFont(font)
def test_TTF_FontFaceStyleName(self):
font = sdlttf.TTF_OpenFont(fontfile, 10)
assert sdlttf.TTF_FontFaceStyleName(font) == b"Regular"
sdlttf.TTF_CloseFont(font)
def test_TTF_GlyphIsProvided(self):
font = sdlttf.TTF_OpenFont(fontfile, 10)
assert isinstance(font.contents, sdlttf.TTF_Font)
for ch in range(32, 127):
assert sdlttf.TTF_GlyphIsProvided(font, ch)
assert not sdlttf.TTF_GlyphIsProvided(font, 0)
assert not sdlttf.TTF_GlyphIsProvided(font, 0x0ff9)
sdlttf.TTF_CloseFont(font)
def test_TTF_GlyphMetrics(self):
expected = {
'A': [1, 25, 0, 29, 25],
'j': [-3, 7, -9, 28, 9],
'.': [2, 7, -1, 4, 8]
}
font = sdlttf.TTF_OpenFont(fontfile, 40)
minX, maxX, minY, maxY = c_int(0), c_int(0), c_int(0), c_int(0)
adv = c_int(0)
for char in expected.keys():
sdlttf.TTF_GlyphMetrics(
font, ord(char),
byref(minX), byref(maxX), byref(minY), byref(maxY), byref(adv)
)
results = [x.value for x in (minX, maxX, minY, maxY, adv)]
assert results == expected[char]
sdlttf.TTF_CloseFont(font)
def test_TTF_SizeText(self):
font = sdlttf.TTF_OpenFont(fontfile, 20)
min_expected_w = 69 # SDL2_ttf 2.0.18
max_expected_w = 70 # SDL2_ttf <= 2.0.15
min_expected_h = 21 # SDL2_ttf 2.0.15 with FreeType 2.10.1
max_expected_h = 25 # SDL2_ttf < 2.0.15
w, h = c_int(0), c_int(0)
sdlttf.TTF_SizeText(font, b"Hi there!", byref(w), byref(h))
assert w.value >= min_expected_w
assert w.value <= max_expected_w
assert h.value >= min_expected_h
assert h.value <= max_expected_h
sdlttf.TTF_CloseFont(font)
def test_TTF_SizeUTF8(self):
font = sdlttf.TTF_OpenFont(fontfile, 20)
min_expected_w = 72 # SDL2_ttf 2.0.18
max_expected_w = 73 # SDL2_ttf <= 2.0.15
min_expected_h = 21 # SDL2_ttf 2.0.15 with FreeType 2.10.1
max_expected_h = 25 # SDL2_ttf < 2.0.15
w, h = c_int(0), c_int(0)
sdlttf.TTF_SizeUTF8(font, u"Hï thère!".encode('utf-8'), byref(w), byref(h))
assert w.value >= min_expected_w
assert w.value <= max_expected_w
assert h.value >= min_expected_h
assert h.value <= max_expected_h
sdlttf.TTF_CloseFont(font)
@pytest.mark.xfail(reason="Highly unstable under pytest for some reason")
def test_TTF_SizeUNICODE(self):
font = sdlttf.TTF_OpenFont(fontfile, 20)
min_expected_w = 69 # SDL2_ttf 2.0.18
max_expected_w = 70 # SDL2_ttf <= 2.0.15
min_expected_h = 21 # SDL2_ttf 2.0.15 with FreeType 2.10.1
max_expected_h = 25 # SDL2_ttf < 2.0.15
w, h = c_int(0), c_int(0)
teststr = u"Hi there!"
strlen = len(teststr) + 1 # +1 for byte-order mark
intstr = unpack('H' * strlen, teststr.encode('utf-16'))
strarr = (c_uint16 * strlen)(*intstr)
sdlttf.TTF_SizeUNICODE(font, strarr, byref(w), byref(h))
print(list(strarr))
print("w = {0}, h = {1}".format(w.value, h.value))
assert w.value >= min_expected_w
assert w.value <= max_expected_w
assert h.value >= min_expected_h
assert h.value <= max_expected_h
sdlttf.TTF_CloseFont(font)
def test_TTF_Render_Solid(self):
font = sdlttf.TTF_OpenFont(fontfile, 20)
color = SDL_Color(0, 0, 0)
# Test TTF_RenderText_Solid
sf = sdlttf.TTF_RenderText_Solid(font, b"Hi there!", color)
assert isinstance(sf.contents, surface.SDL_Surface)
# Test TTF_RenderUTF8_Solid
teststr = u"Hï thère!".encode('utf-8')
sf = sdlttf.TTF_RenderUTF8_Solid(font, teststr, color)
assert isinstance(sf.contents, surface.SDL_Surface)
# Test TTF_RenderUNICODE_Solid
# NOTE: no unicode chars because number -> glyph lookup is os-dependent
teststr = u"Hi there!"
strlen = len(teststr) + 1 # +1 for byte-order mark
intstr = unpack('H' * strlen, teststr.encode('utf-16'))
strarr = (c_uint16 * strlen)(*intstr)
sf = sdlttf.TTF_RenderUNICODE_Solid(font, strarr, color)
assert isinstance(sf.contents, surface.SDL_Surface)
# Test TTF_RenderGlyph_Solid
sf = sdlttf.TTF_RenderGlyph_Solid(font, ord("A"), color)
assert isinstance(sf.contents, surface.SDL_Surface)
def test_TTF_Render_Shaded(self):
font = sdlttf.TTF_OpenFont(fontfile, 20)
color = SDL_Color(0, 0, 0)
bgcolor = SDL_Color(255, 255, 255)
# Test TTF_RenderText_Shaded
sf = sdlttf.TTF_RenderText_Shaded(font, b"Hi there!", color, bgcolor)
assert isinstance(sf.contents, surface.SDL_Surface)
# Test TTF_RenderUTF8_Shaded
teststr = u"Hï thère!".encode('utf-8')
sf = sdlttf.TTF_RenderUTF8_Shaded(font, teststr, color, bgcolor)
assert isinstance(sf.contents, surface.SDL_Surface)
# Test TTF_RenderUNICODE_Shaded
# NOTE: no unicode chars because number -> glyph lookup is os-dependent
teststr = u"Hi there!"
strlen = len(teststr) + 1 # +1 for byte-order mark
intstr = unpack('H' * strlen, teststr.encode('utf-16'))
strarr = (c_uint16 * strlen)(*intstr)
sf = sdlttf.TTF_RenderUNICODE_Shaded(font, strarr, color, bgcolor)
assert isinstance(sf.contents, surface.SDL_Surface)
# Test TTF_RenderGlyph_Solid
sf = sdlttf.TTF_RenderGlyph_Shaded(font, ord("A"), color, bgcolor)
assert isinstance(sf.contents, surface.SDL_Surface)
sdlttf.TTF_CloseFont(font)
def test_TTF_Render_Blended(self):
font = sdlttf.TTF_OpenFont(fontfile, 20)
color = SDL_Color(0, 0, 0, 255)
# Test TTF_RenderText_Blended
sf = sdlttf.TTF_RenderText_Blended(font, b"Hi there!", color)
assert isinstance(sf.contents, surface.SDL_Surface)
# Test TTF_RenderUTF8_Blended
teststr = u"Hï thère!".encode('utf-8')
sf = sdlttf.TTF_RenderUTF8_Blended(font, teststr, color)
assert isinstance(sf.contents, surface.SDL_Surface)
# Test TTF_RenderUNICODE_Blended
# NOTE: no unicode chars because number -> glyph lookup is os-dependent
teststr = u"Hi there!"
strlen = len(teststr) + 1 # +1 for byte-order mark
intstr = unpack('H' * strlen, teststr.encode('utf-16'))
strarr = (c_uint16 * strlen)(*intstr)
sf = sdlttf.TTF_RenderUNICODE_Blended(font, strarr, color)
assert isinstance(sf.contents, surface.SDL_Surface)
# Test TTF_RenderGlyph_Solid
sf = sdlttf.TTF_RenderGlyph_Blended(font, ord("A"), color)
assert isinstance(sf.contents, surface.SDL_Surface)
sdlttf.TTF_CloseFont(font)
@pytest.mark.skip("not implemented")
def test_TTF_Render_Blended_Wrapped(self):
# TODO: Add tests for TTF_RenderText_Blended_Wrapped,
# TTF_RenderUTF8_Blended_Wrapped, and TTF_RenderUNICODE_Blended_Wrapped
pass
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