Source

py-sdl2 / sdl2 / test / sdlimage_test.py

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import os
import sys
import ctypes
import unittest
from .. import SDL_Init, SDL_Quit, version, surface, rwops, render
from .. import sdlimage

formats = ["bmp",
           "cur",
           "gif",
           "ico",
           "jpg",
           "lbm",
           "pbm",
           "pcx",
           "pgm",
           "png",
           "pnm",
           "ppm",
           "tga",
           "tif",
           "webp",
           "xcf",
           "xpm",
           #"xv",
           ]


class SDLImageTest(unittest.TestCase):
    __tags__ = ["sdl", "sdlimage"]

    def setUp(self):
        SDL_Init(0)
        sdlimage.IMG_Init(sdlimage.IMG_INIT_JPG | sdlimage.IMG_INIT_PNG |
                          sdlimage.IMG_INIT_TIF | sdlimage.IMG_INIT_WEBP)

    def tearDown(self):
        SDL_Quit()
        sdlimage.IMG_Quit()

    @unittest.skip("not implemented")
    def test_IMG_InitQuit(self):
        pass

    def test_IMG_Linked_Version(self):
        v = sdlimage.IMG_Linked_Version()
        self.assertIsInstance(v.contents, version.SDL_version)
        self.assertEqual(v.contents.major, 2)
        self.assertEqual(v.contents.minor, 0)
        self.assertGreaterEqual(v.contents.patch, 0)

    def test_IMG_Load(self):
        fname = "surfacetest.%s"
        for fmt in formats:
            filename = os.path.join(os.path.dirname(os.path.abspath(__file__)),
                                    "resources", fname % fmt)
            sf = sdlimage.IMG_Load(filename.encode("utf-8"))
            self.assertIsInstance(sf.contents, surface.SDL_Surface)
            surface.SDL_FreeSurface(sf)

    @unittest.skipIf(sys.platform=="cli", "IronPython can't handle RW objects")
    def test_IMG_Load_RW(self):
        fname = "surfacetest.%s"
        for fmt in formats:
            if fmt == "tga":
                # SDL_image does not support loading TGA via IMG_Load_RW()
                continue
            filename = os.path.join(os.path.dirname(os.path.abspath(__file__)),
                                    "resources", fname % fmt)
            fp = open(filename, "rb")
            sf = sdlimage.IMG_Load_RW(rwops.rw_from_object(fp), False)
            fp.close()
            self.assertIsInstance(sf.contents, surface.SDL_Surface)
            surface.SDL_FreeSurface(sf)

    def test_IMG_LoadTexture(self):
        sf = surface.SDL_CreateRGBSurface(0, 10, 10, 32, 0, 0, 0, 0)
        rd = render.SDL_CreateSoftwareRenderer(sf)

        fname = "surfacetest.%s"
        for fmt in formats:
            filename = os.path.join(os.path.dirname(os.path.abspath(__file__)),
                                    "resources", fname % fmt)
            tex = sdlimage.IMG_LoadTexture(rd, filename.encode("utf-8"))
            self.assertIsInstance(tex.contents, render.SDL_Texture)
            render.SDL_DestroyTexture(tex)

        #self.assertRaises(sdl.SDLError, sdlimage.load_texture, rd,
        #                  RESOURCES.get_path("rwopstest.txt"))

        #self.assertRaises(sdl.SDLError, sdlimage.load_texture, rd, None)
        #self.assertRaises(sdl.SDLError, sdlimage.load_texture, rd, 1234)
        #self.assertRaises((AttributeError, TypeError),
        #                  sdlimage.load_texture, None,
        #                  RESOURCES.get_path("surfacetest.bmp"))
        #self.assertRaises((AttributeError, TypeError),
        #                  sdlimage.load_texture, "Test",
        #                  RESOURCES.get_path("surfacetest.bmp"))
        #self.assertRaises((AttributeError, TypeError),
        #                  sdlimage.load_texture, 1234,
        #                  RESOURCES.get_path("surfacetest.bmp"))

        render.SDL_DestroyRenderer(rd)
        surface.SDL_FreeSurface(sf)

    @unittest.skipIf(sys.platform=="cli", "IronPython can't handle RW objects")
    def test_IMG_LoadTexture_RW(self):
        sf = surface.SDL_CreateRGBSurface(0, 10, 10, 32, 0, 0, 0, 0)
        rd = render.SDL_CreateSoftwareRenderer(sf)

        fname = "surfacetest.%s"
        for fmt in formats:
            if fmt == "tga":
                # SDL_image does not support loading TGA via
                # IMG_LoadTexture_RW()
                continue
            filename = os.path.join(os.path.dirname(os.path.abspath(__file__)),
                                    "resources", fname % fmt)
            fp = open(filename, "rb")
            tex = sdlimage.IMG_LoadTexture_RW(rd, rwops.rw_from_object(fp), 0)
            fp.close()
            self.assertIsInstance(tex.contents, render.SDL_Texture)
            render.SDL_DestroyTexture(tex)

        render.SDL_DestroyRenderer(rd)
        surface.SDL_FreeSurface(sf)

    @unittest.skipIf(sys.platform=="cli", "IronPython can't handle RW objects")
    def test_IMG_LoadTextureTyped_RW(self):
        sf = surface.SDL_CreateRGBSurface(0, 10, 10, 32, 0, 0, 0, 0)
        rd = render.SDL_CreateSoftwareRenderer(sf)

        fname = "surfacetest.%s"
        for fmt in formats:
            filename = os.path.join(os.path.dirname(os.path.abspath(__file__)),
                                    "resources", fname % fmt)
            fp = open(filename, "rb")
            fmtx = fmt.upper().encode("utf-8")
            rw = rwops.rw_from_object(fp)
            tex = sdlimage.IMG_LoadTextureTyped_RW(rd, rw, 0, fmtx)
            fp.close()
            self.assertIsInstance(tex.contents, render.SDL_Texture)
            render.SDL_DestroyTexture(tex)
        render.SDL_DestroyRenderer(rd)
        surface.SDL_FreeSurface(sf)

    @unittest.skipIf(sys.platform=="cli", "IronPython can't handle RW objects")
    def test_IMG_LoadTyped_RW(self):
        fname = "surfacetest.%s"
        for fmt in formats:
            filename = os.path.join(os.path.dirname(os.path.abspath(__file__)),
                                    "resources", fname % fmt)
            fp = open(filename, "rb")
            sf = sdlimage.IMG_LoadTyped_RW(rwops.rw_from_object(fp), False,
                                           fmt.upper().encode("utf-8"))
            fp.close()
            self.assertIsInstance(sf.contents, surface.SDL_Surface)
            surface.SDL_FreeSurface(sf)

    @unittest.skipIf(sys.platform=="cli", "IronPython can't handle RW objects")
    def test_IMG_LoadBMP_RW(self):
        fp = open(os.path.join(os.path.dirname(os.path.abspath(__file__)),
                               "resources", "surfacetest.bmp"), "rb")
        sf = sdlimage.IMG_LoadBMP_RW(rwops.rw_from_object(fp))
        fp.close()
        self.assertIsInstance(sf.contents, surface.SDL_Surface)
        surface.SDL_FreeSurface(sf)

    @unittest.skipIf(sys.platform=="cli", "IronPython can't handle RW objects")
    def test_IMG_LoadCUR_RW(self):
        fp = open(os.path.join(os.path.dirname(os.path.abspath(__file__)),
                               "resources", "surfacetest.cur"), "rb")
        sf = sdlimage.IMG_LoadCUR_RW(rwops.rw_from_object(fp))
        fp.close()
        self.assertIsInstance(sf.contents, surface.SDL_Surface)
        surface.SDL_FreeSurface(sf)
        pass

    @unittest.skipIf(sys.platform=="cli", "IronPython can't handle RW objects")
    def test_IMG_LoadGIF_RW(self):
        fp = open(os.path.join(os.path.dirname(os.path.abspath(__file__)),
                               "resources", "surfacetest.gif"), "rb")
        sf = sdlimage.IMG_LoadGIF_RW(rwops.rw_from_object(fp))
        fp.close()
        self.assertIsInstance(sf.contents, surface.SDL_Surface)
        surface.SDL_FreeSurface(sf)

    @unittest.skipIf(sys.platform=="cli", "IronPython can't handle RW objects")
    def test_IMG_LoadICO_RW(self):
        fp = open(os.path.join(os.path.dirname(os.path.abspath(__file__)),
                               "resources", "surfacetest.ico"), "rb")
        sf = sdlimage.IMG_LoadICO_RW(rwops.rw_from_object(fp))
        fp.close()
        self.assertIsInstance(sf.contents, surface.SDL_Surface)
        surface.SDL_FreeSurface(sf)

    @unittest.skipIf(sys.platform=="cli", "IronPython can't handle RW objects")
    def test_IMG_LoadJPG_RW(self):
        fp = open(os.path.join(os.path.dirname(os.path.abspath(__file__)),
                               "resources", "surfacetest.jpg"), "rb")
        sf = sdlimage.IMG_LoadJPG_RW(rwops.rw_from_object(fp))
        fp.close()
        self.assertIsInstance(sf.contents, surface.SDL_Surface)
        surface.SDL_FreeSurface(sf)

    @unittest.skipIf(sys.platform=="cli", "IronPython can't handle RW objects")
    def test_IMG_LoadLBM_RW(self):
        fp = open(os.path.join(os.path.dirname(os.path.abspath(__file__)),
                               "resources", "surfacetest.lbm"), "rb")
        sf = sdlimage.IMG_LoadLBM_RW(rwops.rw_from_object(fp))
        fp.close()
        self.assertIsInstance(sf.contents, surface.SDL_Surface)
        surface.SDL_FreeSurface(sf)

    @unittest.skipIf(sys.platform=="cli", "IronPython can't handle RW objects")
    def test_IMG_LoadPCX_RW(self):
        fp = open(os.path.join(os.path.dirname(os.path.abspath(__file__)),
                               "resources", "surfacetest.pcx"), "rb")
        sf = sdlimage.IMG_LoadPCX_RW(rwops.rw_from_object(fp))
        fp.close()
        self.assertIsInstance(sf.contents, surface.SDL_Surface)
        surface.SDL_FreeSurface(sf)

    @unittest.skipIf(sys.platform=="cli", "IronPython can't handle RW objects")
    def test_IMG_LoadPNG_RW(self):
        fp = open(os.path.join(os.path.dirname(os.path.abspath(__file__)),
                               "resources", "surfacetest.png"), "rb")
        sf = sdlimage.IMG_LoadPNG_RW(rwops.rw_from_object(fp))
        fp.close()
        self.assertIsInstance(sf.contents, surface.SDL_Surface)
        surface.SDL_FreeSurface(sf)

    @unittest.skipIf(sys.platform=="cli", "IronPython can't handle RW objects")
    def test_IMG_LoadPNM_RW(self):
        fp = open(os.path.join(os.path.dirname(os.path.abspath(__file__)),
                               "resources", "surfacetest.pnm"), "rb")
        sf = sdlimage.IMG_LoadPNM_RW(rwops.rw_from_object(fp))
        fp.close()
        self.assertIsInstance(sf.contents, surface.SDL_Surface)
        surface.SDL_FreeSurface(sf)

    @unittest.skipIf(sys.platform=="cli", "IronPython can't handle RW objects")
    def test_IMG_LoadTGA_RW(self):
        fp = open(os.path.join(os.path.dirname(os.path.abspath(__file__)),
                               "resources", "surfacetest.tga"), "rb")
        sf = sdlimage.IMG_LoadTGA_RW(rwops.rw_from_object(fp))
        fp.close()
        self.assertIsInstance(sf.contents, surface.SDL_Surface)
        surface.SDL_FreeSurface(sf)

    @unittest.skipIf(sys.platform=="cli", "IronPython can't handle RW objects")
    def test_IMG_LoadTIF_RW(self):
        fp = open(os.path.join(os.path.dirname(os.path.abspath(__file__)),
                               "resources", "surfacetest.tif"), "rb")
        sf = sdlimage.IMG_LoadTIF_RW(rwops.rw_from_object(fp))
        fp.close()
        self.assertIsInstance(sf.contents, surface.SDL_Surface)
        surface.SDL_FreeSurface(sf)

    @unittest.skipIf(sys.platform=="cli", "IronPython can't handle RW objects")
    def test_IMG_LoadWEBP_RW(self):
        fp = open(os.path.join(os.path.dirname(os.path.abspath(__file__)),
                               "resources", "surfacetest.webp"), "rb")
        sf = sdlimage.IMG_LoadWEBP_RW(rwops.rw_from_object(fp))
        fp.close()
        self.assertIsInstance(sf.contents, surface.SDL_Surface)
        surface.SDL_FreeSurface(sf)

    @unittest.skipIf(sys.platform=="cli", "IronPython can't handle RW objects")
    def test_IMG_LoadXCF_RW(self):
        fp = open(os.path.join(os.path.dirname(os.path.abspath(__file__)),
                               "resources", "surfacetest.xcf"), "rb")
        sf = sdlimage.IMG_LoadXCF_RW(rwops.rw_from_object(fp))
        fp.close()
        self.assertIsInstance(sf.contents, surface.SDL_Surface)
        surface.SDL_FreeSurface(sf)

    @unittest.skipIf(sys.platform=="cli", "IronPython can't handle RW objects")
    def test_IMG_LoadXPM_RW(self):
        fp = open(os.path.join(os.path.dirname(os.path.abspath(__file__)),
                               "resources", "surfacetest.xpm"), "rb")
        sf = sdlimage.IMG_LoadXPM_RW(rwops.rw_from_object(fp))
        fp.close()
        self.assertIsInstance(sf.contents, surface.SDL_Surface)
        surface.SDL_FreeSurface(sf)

    @unittest.skip("not implemented")
    def test_IMG_LoadXV_RW(self):
        fp = open(os.path.join(os.path.dirname(os.path.abspath(__file__)),
                               "resources", "surfacetest.xv"), "rb")
        sf = sdlimage.IMG_LoadXV_RW(rwops.rw_from_object(fp))
        fp.close()
        self.assertIsInstance(sf.contents, surface.SDL_Surface)
        surface.SDL_FreeSurface(sf)

    @unittest.skipIf(sys.platform=="cli", "IronPython can't handle RW objects")
    def test_IMG_isBMP(self):
        fname = "surfacetest.%s"
        for fmt in formats:
            filename = os.path.join(os.path.dirname(os.path.abspath(__file__)),
                                    "resources", fname % fmt)
            fp = open(filename, "rb")
            imgrw = rwops.rw_from_object(fp)
            if fmt == "bmp":
                self.assertTrue(sdlimage.IMG_isBMP(imgrw))
            else:
                self.assertFalse(sdlimage.IMG_isBMP(imgrw))
            fp.close()

    @unittest.skipIf(sys.platform=="cli", "IronPython can't handle RW objects")
    def test_IMG_isCUR(self):
        fname = "surfacetest.%s"
        for fmt in formats:
            filename = os.path.join(os.path.dirname(os.path.abspath(__file__)),
                                     "resources", fname % fmt)
            fp = open(filename, "rb")
            imgrw = rwops.rw_from_object(fp)
            if fmt == "cur":
                self.assertTrue(sdlimage.IMG_isCUR(imgrw))
            else:
                self.assertFalse(sdlimage.IMG_isCUR(imgrw))
            fp.close()

    @unittest.skipIf(sys.platform=="cli", "IronPython can't handle RW objects")
    def test_IMG_isGIF(self):
        fname = "surfacetest.%s"
        for fmt in formats:
            filename = os.path.join(os.path.dirname(os.path.abspath(__file__)),
                                    "resources", fname % fmt)
            fp = open(filename, "rb")
            imgrw = rwops.rw_from_object(fp)
            if fmt == "gif":
                self.assertTrue(sdlimage.IMG_isGIF(imgrw))
            else:
                self.assertFalse(sdlimage.IMG_isGIF(imgrw))
            fp.close()

    @unittest.skipIf(sys.platform=="cli", "IronPython can't handle RW objects")
    def test_IMG_isICO(self):
        fname = "surfacetest.%s"
        for fmt in formats:
            filename = os.path.join(os.path.dirname(os.path.abspath(__file__)),
                                    "resources", fname % fmt)
            fp = open(filename, "rb")
            imgrw = rwops.rw_from_object(fp)
            if fmt == "ico":
                self.assertTrue(sdlimage.IMG_isICO(imgrw))
            else:
                self.assertFalse(sdlimage.IMG_isICO(imgrw))
            fp.close()

    @unittest.skipIf(sys.platform=="cli", "IronPython can't handle RW objects")
    def test_IMG_isJPG(self):
        fname = "surfacetest.%s"
        for fmt in formats:
            filename = os.path.join(os.path.dirname(os.path.abspath(__file__)),
                                    "resources", fname % fmt)
            fp = open(filename, "rb")
            imgrw = rwops.rw_from_object(fp)
            if fmt == "jpg":
                self.assertTrue(sdlimage.IMG_isJPG(imgrw))
            else:
                self.assertFalse(sdlimage.IMG_isJPG(imgrw))
            fp.close()

    @unittest.skipIf(sys.platform=="cli", "IronPython can't handle RW objects")
    def test_IMG_isLBM(self):
        fname = "surfacetest.%s"
        for fmt in formats:
            filename = os.path.join(os.path.dirname(os.path.abspath(__file__)),
                                    "resources", fname % fmt)
            fp = open(filename, "rb")
            imgrw = rwops.rw_from_object(fp)
            if fmt == "lbm":
                self.assertTrue(sdlimage.IMG_isLBM(imgrw))
            else:
                self.assertFalse(sdlimage.IMG_isLBM(imgrw))
            fp.close()

    @unittest.skipIf(sys.platform=="cli", "IronPython can't handle RW objects")
    def test_IMG_isPCX(self):
        fname = "surfacetest.%s"
        for fmt in formats:
            filename = os.path.join(os.path.dirname(os.path.abspath(__file__)),
                                    "resources", fname % fmt)
            fp = open(filename, "rb")
            imgrw = rwops.rw_from_object(fp)
            if fmt == "pcx":
                self.assertTrue(sdlimage.IMG_isPCX(imgrw))
            else:
                self.assertFalse(sdlimage.IMG_isPCX(imgrw))
            fp.close()

    @unittest.skipIf(sys.platform=="cli", "IronPython can't handle RW objects")
    def test_IMG_isPNG(self):
        fname = "surfacetest.%s"
        for fmt in formats:
            filename = os.path.join(os.path.dirname(os.path.abspath(__file__)),
                                    "resources", fname % fmt)
            fp = open(filename, "rb")
            imgrw = rwops.rw_from_object(fp)
            if fmt == "png":
                self.assertTrue(sdlimage.IMG_isPNG(imgrw))
            else:
                self.assertFalse(sdlimage.IMG_isPNG(imgrw))
            fp.close()

    @unittest.skipIf(sys.platform=="cli", "IronPython can't handle RW objects")
    def test_IMG_isPNM(self):
        fname = "surfacetest.%s"
        for fmt in formats:
            filename = os.path.join(os.path.dirname(os.path.abspath(__file__)),
                                    "resources", fname % fmt)
            fp = open(filename, "rb")
            imgrw = rwops.rw_from_object(fp)
            if fmt in ("pnm", "pbm", "ppm", "pgm"):
                self.assertTrue(sdlimage.IMG_isPNM(imgrw))
            else:
                self.assertFalse(sdlimage.IMG_isPNM(imgrw))
            fp.close()

    @unittest.skipIf(sys.platform=="cli", "IronPython can't handle RW objects")
    def test_IMG_isTIF(self):
        fname = "surfacetest.%s"
        for fmt in formats:
            filename = os.path.join(os.path.dirname(os.path.abspath(__file__)),
                                    "resources", fname % fmt)
            fp = open(filename, "rb")
            imgrw = rwops.rw_from_object(fp)
            if fmt == "tif":
                self.assertTrue(sdlimage.IMG_isTIF(imgrw))
            else:
                self.assertFalse(sdlimage.IMG_isTIF(imgrw))
            fp.close()

    @unittest.skipIf(sys.platform=="cli", "IronPython can't handle RW objects")
    def test_IMG_isWEBP(self):
        fname = "surfacetest.%s"
        for fmt in formats:
            filename = os.path.join(os.path.dirname(os.path.abspath(__file__)),
                                    "resources", fname % fmt)
            fp = open(filename, "rb")
            imgrw = rwops.rw_from_object(fp)
            if fmt == "webp":
                self.assertTrue(sdlimage.IMG_isWEBP(imgrw))
            else:
                self.assertFalse(sdlimage.IMG_isWEBP(imgrw))
            fp.close()

    @unittest.skipIf(sys.platform=="cli", "IronPython can't handle RW objects")
    def test_IMG_isXCF(self):
        fname = "surfacetest.%s"
        for fmt in formats:
            filename = os.path.join(os.path.dirname(os.path.abspath(__file__)),
                                    "resources", fname % fmt)
            fp = open(filename, "rb")
            imgrw = rwops.rw_from_object(fp)
            if fmt == "xcf":
                self.assertTrue(sdlimage.IMG_isXCF(imgrw))
            else:
                self.assertFalse(sdlimage.IMG_isXCF(imgrw))
            fp.close()

    @unittest.skipIf(sys.platform=="cli", "IronPython can't handle RW objects")
    def test_IMG_isXPM(self):
        fname = "surfacetest.%s"
        for fmt in formats:
            filename = os.path.join(os.path.dirname(os.path.abspath(__file__)),
                                    "resources", fname % fmt)
            fp = open(filename, "rb")
            imgrw = rwops.rw_from_object(fp)
            if fmt == "xpm":
                self.assertTrue(sdlimage.IMG_isXPM(imgrw))
            else:
                self.assertFalse(sdlimage.IMG_isXPM(imgrw))
            fp.close()

    @unittest.skip("not implemented")
    def test_IMG_isXV(self):
        fname = "surfacetest.%s"
        for fmt in formats:
            filename = os.path.join(os.path.dirname(os.path.abspath(__file__)),
                                    "resources", fname % fmt)
            fp = open(filename, "rb")
            imgrw = rwops.rw_from_object(fp)
            if fmt == "xv":
                self.assertTrue(sdlimage.IMG_isXV(imgrw))
            else:
                self.assertFalse(sdlimage.IMG_isXV(imgrw))
            fp.close()

    @unittest.skipIf(hasattr(sys, "pypy_version_info"),
                     "PyPy's ctypes fails to pass a correct string array")
    @unittest.skipIf(sys.platform=="cli",
                     "IronPython can't handle byte() objects")
    def test_IMG_ReadXPMFromArray(self):
        fp = open(os.path.join(os.path.dirname(os.path.abspath(__file__)),
                               "resources", "surfacetest.xpm"), "rb")
        xpm = b""
        fp.readline()  # /* XPM */
        fp.readline()  # static char * surfacetest_xpm[] = {
        lbuf = fp.readlines()
        fp.close()
        for line in lbuf:
            if line.endswith(b"};"):
                xpm += line[1:-4]
            else:
                xpm += line[1:-3]
        pxpm = ctypes.c_char_p(xpm)
        sf = sdlimage.IMG_ReadXPMFromArray(ctypes.byref(pxpm))
        self.assertIsInstance(sf.contents, surface.SDL_Surface)
        surface.SDL_FreeSurface(sf)

    @unittest.skip("not implemented")
    def test_IMG_SavePNG(self):
        pass

    @unittest.skip("not implemented")
    def test_IMG_SavePNG_RW(self):
        pass


if __name__ == '__main__':
    sys.exit(unittest.main())