Python PyQt5.QtGui.QImage.Format_ARGB32() Examples

def array_to_qimage(im: np.ndarray, copy=False):
        gray_color_table = [qRgb(i, i, i) for i in range(256)]
        if im is None:
            return QImage()
        if im.dtype == np.uint8:
            if len(im.shape) == 2:
                qim = QImage(im.data, im.shape[1], im.shape[0], im.strides[0], QImage.Format_Indexed8)
                qim.setColorTable(gray_color_table)
                return qim.copy() if copy else qim

            elif len(im.shape) == 3:
                if im.shape[2] == 3:
                    qim = QImage(im.data, im.shape[1], im.shape[0], im.strides[0], QImage.Format_RGB888);
                    return qim.copy() if copy else qim
                elif im.shape[2] == 4:
                    qim = QImage(im.data, im.shape[1], im.shape[0], im.strides[0], QImage.Format_ARGB32);
                    return qim.copy() if copy else qim 

def expandAndFormat(img, margin=0, is_jpg=False):
    """
    Draws the image with transparent background if `is_jpg == False`, otherwise with a white background.
    It's done in a single function, to avoid creating extra images
    """
    if not margin and not is_jpg:
        return img
    corner = QSize(margin, margin)
    white = QColor(255, 255, 255) if is_jpg else QColor(255, 255, 255, 0)
    canvas = QImage(
        img.size() + corner * 2, QImage.Format_RGB32 if is_jpg else QImage.Format_ARGB32
    )
    canvas.fill(white)
    p = QPainter(canvas)
    p.drawImage(margin, margin, img)
    return canvas 

def create_font_array(self):
        # Load the first image to get font size
        img          = QImage(os.path.join(settings.gfx_path, 'font/32.png'))
        imgsize      = (img.width(), img.height())
        self.char_ar = float(imgsize[1]) / imgsize[0]

        # Set-up the texture array
        self.tex_id = gl.glGenTextures(1)
        gl.glBindTexture(gl.GL_TEXTURE_2D_ARRAY, self.tex_id)
        gl.glTexImage3D(gl.GL_TEXTURE_2D_ARRAY, 0, gl.GL_RGBA8, imgsize[0], imgsize[1], 127 - 30, 0, gl.GL_BGRA, gl.GL_UNSIGNED_BYTE, None)
        gl.glTexParameteri(gl.GL_TEXTURE_2D_ARRAY, gl.GL_TEXTURE_MIN_FILTER, gl.GL_LINEAR)
        gl.glTexParameteri(gl.GL_TEXTURE_2D_ARRAY, gl.GL_TEXTURE_MAG_FILTER, gl.GL_LINEAR)
        gl.glTexParameterf(gl.GL_TEXTURE_2D_ARRAY, gl.GL_TEXTURE_WRAP_S, gl.GL_CLAMP_TO_BORDER)
        gl.glTexParameterf(gl.GL_TEXTURE_2D_ARRAY, gl.GL_TEXTURE_WRAP_T, gl.GL_CLAMP_TO_BORDER)
        # We're using the ASCII range 32-126; space, uppercase, lower case, numbers, brackets, punctuation marks
        for i in range(30, 127):
            img = QImage(os.path.join(settings.gfx_path, 'font/%d.png' % i)).convertToFormat(QImage.Format_ARGB32)
            ptr = c_void_p(int(img.constBits()))
            gl.glTexSubImage3D(gl.GL_TEXTURE_2D_ARRAY, 0, 0, 0, i - 30, imgsize[0], imgsize[1], 1, gl.GL_BGRA, gl.GL_UNSIGNED_BYTE, ptr) 

def create_font_array(self, path):
        # Load the first image to get font size
        img          = QImage(path + '32.png')
        imgsize      = (img.width(), img.height())
        self.char_ar = float(imgsize[1]) / imgsize[0]

        # Set-up the texture array
        self.tex_id = gl.glGenTextures(1)
        gl.glBindTexture(gl.GL_TEXTURE_2D_ARRAY, self.tex_id)
        gl.glTexImage3D(gl.GL_TEXTURE_2D_ARRAY, 0, gl.GL_RGBA8, imgsize[0], imgsize[1], 127 - 32, 0, gl.GL_BGRA, gl.GL_UNSIGNED_BYTE, None)
        gl.glTexParameteri(gl.GL_TEXTURE_2D_ARRAY, gl.GL_TEXTURE_MIN_FILTER, gl.GL_LINEAR)
        gl.glTexParameteri(gl.GL_TEXTURE_2D_ARRAY, gl.GL_TEXTURE_MAG_FILTER, gl.GL_LINEAR)
        gl.glTexParameterf(gl.GL_TEXTURE_2D_ARRAY, gl.GL_TEXTURE_WRAP_S, gl.GL_CLAMP_TO_BORDER)
        gl.glTexParameterf(gl.GL_TEXTURE_2D_ARRAY, gl.GL_TEXTURE_WRAP_T, gl.GL_CLAMP_TO_BORDER)
        # We're using the ASCII range 32-126; space, uppercase, lower case, numbers, brackets, punctuation marks
        for i in range(32, 127):
            img = QImage(path + '%d.png' % i).convertToFormat(QImage.Format_ARGB32)
            ptr = c_void_p(int(img.constBits()))
            gl.glTexSubImage3D(gl.GL_TEXTURE_2D_ARRAY, 0, 0, 0, i - 32, imgsize[0], imgsize[1], 1, gl.GL_BGRA, gl.GL_UNSIGNED_BYTE, ptr) 

def load_lcd_font():
    files = sorted(glob('mcp_font/*.png'))
    img          = QImage(files[0])
    imgsize      = (img.width(), img.height())
    # Set-up the texture array
    tex_id = gl.glGenTextures(1)
    gl.glBindTexture(gl.GL_TEXTURE_2D_ARRAY, tex_id)
    gl.glTexImage3D(gl.GL_TEXTURE_2D_ARRAY, 0, gl.GL_RGBA8, imgsize[0], imgsize[1], len(files), 0, gl.GL_BGRA, gl.GL_UNSIGNED_BYTE, None)
    gl.glTexParameteri(gl.GL_TEXTURE_2D_ARRAY, gl.GL_TEXTURE_MIN_FILTER, gl.GL_LINEAR)
    gl.glTexParameteri(gl.GL_TEXTURE_2D_ARRAY, gl.GL_TEXTURE_MAG_FILTER, gl.GL_LINEAR)
    gl.glTexParameterf(gl.GL_TEXTURE_2D_ARRAY, gl.GL_TEXTURE_WRAP_S, gl.GL_CLAMP_TO_BORDER)
    gl.glTexParameterf(gl.GL_TEXTURE_2D_ARRAY, gl.GL_TEXTURE_WRAP_T, gl.GL_CLAMP_TO_BORDER)

    for i, fname in enumerate(files):
        img = QImage(fname).convertToFormat(QImage.Format_ARGB32)
        ptr = c_void_p(int(img.constBits()))
        gl.glTexSubImage3D(gl.GL_TEXTURE_2D_ARRAY, 0, 0, 0, i, imgsize[0], imgsize[1], 1, gl.GL_BGRA, gl.GL_UNSIGNED_BYTE, ptr)

    return tex_id 

def create_image(data: np.ndarray, colormap, data_min=None, data_max=None, normalize=True) -> QImage:
        """
        Create QImage from ARGB array.
        The ARGB must have shape (width, height, 4) and dtype=ubyte.
        NOTE: The order of values in the 3rd axis must be (blue, green, red, alpha).
        :return:
        """
        image_data = Spectrogram.apply_bgra_lookup(data, colormap, data_min, data_max, normalize)

        if not image_data.flags['C_CONTIGUOUS']:
            logger.debug("Array was not C_CONTIGUOUS. Converting it.")
            image_data = np.ascontiguousarray(image_data)

        try:
            # QImage constructor needs inverted row/column order
            image = QImage(image_data.ctypes.data, image_data.shape[1], image_data.shape[0], QImage.Format_ARGB32)
        except Exception as e:
            logger.error("could not create image " + str(e))
            return QImage()

        image.data = image_data
        return image 

def np2Qt(image):
    """Convert numpy array to QPixmap.
    """
    height, width, bytesPerComponent = image.shape
    bytesPerLine = 4 * width

    if bytesPerComponent == 3:
        image = cv2.cvtColor(image, cv2.COLOR_RGB2RGBA)
    qimg = QImage(image.data, width, height,
                  bytesPerLine, QImage.Format_ARGB32)
    return QPixmap.fromImage(qimg) 

def _toqclass_helper(im):
    data = None
    colortable = None

    # handle filename, if given instead of image name
    if hasattr(im, "toUtf8"):
        # FIXME - is this really the best way to do this?
        im = str(im.toUtf8(), "utf-8")
    if isPath(im):
        im = Image.open(im)

    if im.mode == "1":
        format = QImage.Format_Mono
    elif im.mode == "L":
        format = QImage.Format_Indexed8
        colortable = []
        for i in range(256):
            colortable.append(rgb(i, i, i))
    elif im.mode == "P":
        format = QImage.Format_Indexed8
        colortable = []
        palette = im.getpalette()
        for i in range(0, len(palette), 3):
            colortable.append(rgb(*palette[i : i + 3]))
    elif im.mode == "RGB":
        data = im.tobytes("raw", "BGRX")
        format = QImage.Format_RGB32
    elif im.mode == "RGBA":
        try:
            data = im.tobytes("raw", "BGRA")
        except SystemError:
            # workaround for earlier versions
            r, g, b, a = im.split()
            im = Image.merge("RGBA", (b, g, r, a))
        format = QImage.Format_ARGB32
    else:
        raise ValueError("unsupported image mode %r" % im.mode)

    __data = data or align8to32(im.tobytes(), im.size[0], im.mode)
    return {"data": __data, "im": im, "format": format, "colortable": colortable} 

def _toqclass_helper(im):
    data = None
    colortable = None

    # handle filename, if given instead of image name
    if hasattr(im, "toUtf8"):
        # FIXME - is this really the best way to do this?
        im = str(im.toUtf8(), "utf-8")
    if isPath(im):
        im = Image.open(im)

    if im.mode == "1":
        format = QImage.Format_Mono
    elif im.mode == "L":
        format = QImage.Format_Indexed8
        colortable = []
        for i in range(256):
            colortable.append(rgb(i, i, i))
    elif im.mode == "P":
        format = QImage.Format_Indexed8
        colortable = []
        palette = im.getpalette()
        for i in range(0, len(palette), 3):
            colortable.append(rgb(*palette[i : i + 3]))
    elif im.mode == "RGB":
        data = im.tobytes("raw", "BGRX")
        format = QImage.Format_RGB32
    elif im.mode == "RGBA":
        try:
            data = im.tobytes("raw", "BGRA")
        except SystemError:
            # workaround for earlier versions
            r, g, b, a = im.split()
            im = Image.merge("RGBA", (b, g, r, a))
        format = QImage.Format_ARGB32
    else:
        raise ValueError("unsupported image mode %r" % im.mode)

    __data = data or align8to32(im.tobytes(), im.size[0], im.mode)
    return {"data": __data, "im": im, "format": format, "colortable": colortable} 

def bind(self, texture_unit):
        """Bind the texture to a certain texture unit.

        :param texture_unit: The texture unit to bind to.
        """
        if not self._qt_texture.isCreated():
            if self._file_name != None:
                self._image = QImage(self._file_name).mirrored()
            elif self._image is None: # No filename or image set.
                self._image = QImage(1, 1, QImage.Format_ARGB32)
                self._image.fill(0)
            self._qt_texture.setData(self._image)
            self._qt_texture.setMinMagFilters(QOpenGLTexture.Linear, QOpenGLTexture.Linear)

        self._qt_texture.bind(texture_unit) 

def nodeToImage(wnode):
    """
    Returns an QImage 8-bit sRGB
    """
    SRGB_PROFILE = "sRGB-elle-V2-srgbtrc.icc"
    if wnode.trim == False:
        bounds = KI.activeDocument().bounds()
        x = bounds.x()
        y = bounds.y()
        w = bounds.width()
        h = bounds.height()
    else:
        [x, y, w, h] = wnode.bounds

    is_srgb = (
        wnode.node.colorModel() == "RGBA"
        and wnode.node.colorDepth() == "U8"
        and wnode.node.colorProfile().lower() == SRGB_PROFILE.lower()
    )

    if is_srgb:
        pixel_data = wnode.node.projectionPixelData(x, y, w, h).data()
    else:
        temp_node = wnode.node.duplicate()
        temp_node.setColorSpace("RGBA", "U8", SRGB_PROFILE)
        pixel_data = temp_node.projectionPixelData(x, y, w, h).data()

    return QImage(pixel_data, w, h, QImage.Format_ARGB32) 

def saveCOASpriteSheet(self, dirname=""):
        """
        Generate a vertical sheet of equaly sized frames
        Each child of self is pasted to a master sheet
        """
        images = self.children
        tiles_x, tiles_y = 1, len(images)  # Length of vertical sheet
        image_width, image_height = self.size  # Target frame size
        sheet_width, sheet_height = (image_width, image_height * tiles_y)  # Sheet dimensions

        sheet = QImage(sheet_width, sheet_height, QImage.Format_ARGB32)
        sheet.fill(QColor(255, 255, 255, 0))
        painter = QPainter(sheet)

        p_coord_x, p_coord_y = self.position
        for count, image in enumerate(images):
            coord_x, coord_y = image.position
            coord_rel_x, coord_rel_y = coord_x - p_coord_x, coord_y - p_coord_y

            painter.drawImage(
                coord_rel_x, image_height * count + coord_rel_y, nodeToImage(image),
            )

        meta = self.meta
        path, extension = "", meta["e"]

        dirPath = (
            exportPath(self.cfg, path, dirname)
            if path
            else exportPath(self.cfg, pathFS(self.parent), dirname)
        )
        os.makedirs(dirPath, exist_ok=True)
        path = "{}{}".format(os.path.join(dirPath, self.name), ".{e}")
        path = path.format(e=extension[0])
        is_jpg = extension in ("jpg", "jpeg")
        if is_jpg:
            sheet = expandAndFormat(sheet, is_jpg=True)
        sheet.save(path, quality=90 if is_jpg else -1)

        return path, {"tiles_x": tiles_x, "tiles_y": tiles_y} 

def _toqclass_helper(im):
    data = None
    colortable = None

    # handle filename, if given instead of image name
    if hasattr(im, "toUtf8"):
        # FIXME - is this really the best way to do this?
        im = str(im.toUtf8(), "utf-8")
    if isPath(im):
        im = Image.open(im)

    if im.mode == "1":
        format = QImage.Format_Mono
    elif im.mode == "L":
        format = QImage.Format_Indexed8
        colortable = []
        for i in range(256):
            colortable.append(rgb(i, i, i))
    elif im.mode == "P":
        format = QImage.Format_Indexed8
        colortable = []
        palette = im.getpalette()
        for i in range(0, len(palette), 3):
            colortable.append(rgb(*palette[i : i + 3]))
    elif im.mode == "RGB":
        data = im.tobytes("raw", "BGRX")
        format = QImage.Format_RGB32
    elif im.mode == "RGBA":
        try:
            data = im.tobytes("raw", "BGRA")
        except SystemError:
            # workaround for earlier versions
            r, g, b, a = im.split()
            im = Image.merge("RGBA", (b, g, r, a))
        format = QImage.Format_ARGB32
    else:
        raise ValueError("unsupported image mode %r" % im.mode)

    __data = data or align8to32(im.tobytes(), im.size[0], im.mode)
    return {"data": __data, "im": im, "format": format, "colortable": colortable} 

def _toqclass_helper(im):
    data = None
    colortable = None

    # handle filename, if given instead of image name
    if hasattr(im, "toUtf8"):
        # FIXME - is this really the best way to do this?
        if str is bytes:
            im = unicode(im.toUtf8(), "utf-8")
        else:
            im = str(im.toUtf8(), "utf-8")
    if isPath(im):
        im = Image.open(im)

    if im.mode == "1":
        format = QImage.Format_Mono
    elif im.mode == "L":
        format = QImage.Format_Indexed8
        colortable = []
        for i in range(256):
            colortable.append(rgb(i, i, i))
    elif im.mode == "P":
        format = QImage.Format_Indexed8
        colortable = []
        palette = im.getpalette()
        for i in range(0, len(palette), 3):
            colortable.append(rgb(*palette[i:i+3]))
    elif im.mode == "RGB":
        data = im.tobytes("raw", "BGRX")
        format = QImage.Format_RGB32
    elif im.mode == "RGBA":
        try:
            data = im.tobytes("raw", "BGRA")
        except SystemError:
            # workaround for earlier versions
            r, g, b, a = im.split()
            im = Image.merge("RGBA", (b, g, r, a))
        format = QImage.Format_ARGB32
    else:
        raise ValueError("unsupported image mode %r" % im.mode)

    __data = data or align8to32(im.tobytes(), im.size[0], im.mode)
    return {
        'data': __data, 'im': im, 'format': format, 'colortable': colortable
    } 

def _toqclass_helper(im):
    data = None
    colortable = None

    # handle filename, if given instead of image name
    if hasattr(im, "toUtf8"):
        # FIXME - is this really the best way to do this?
        if str is bytes:
            im = unicode(im.toUtf8(), "utf-8")
        else:
            im = str(im.toUtf8(), "utf-8")
    if isPath(im):
        im = Image.open(im)

    if im.mode == "1":
        format = QImage.Format_Mono
    elif im.mode == "L":
        format = QImage.Format_Indexed8
        colortable = []
        for i in range(256):
            colortable.append(rgb(i, i, i))
    elif im.mode == "P":
        format = QImage.Format_Indexed8
        colortable = []
        palette = im.getpalette()
        for i in range(0, len(palette), 3):
            colortable.append(rgb(*palette[i:i+3]))
    elif im.mode == "RGB":
        data = im.tobytes("raw", "BGRX")
        format = QImage.Format_RGB32
    elif im.mode == "RGBA":
        try:
            data = im.tobytes("raw", "BGRA")
        except SystemError:
            # workaround for earlier versions
            r, g, b, a = im.split()
            im = Image.merge("RGBA", (b, g, r, a))
        format = QImage.Format_ARGB32
    else:
        raise ValueError("unsupported image mode %r" % im.mode)

    __data = data or align8to32(im.tobytes(), im.size[0], im.mode)
    return {
        'data': __data, 'im': im, 'format': format, 'colortable': colortable
    } 

def _toqclass_helper(im):
    data = None
    colortable = None

    # handle filename, if given instead of image name
    if hasattr(im, "toUtf8"):
        # FIXME - is this really the best way to do this?
        if py3:
            im = str(im.toUtf8(), "utf-8")
        else:
            im = unicode(im.toUtf8(), "utf-8")  # noqa: F821
    if isPath(im):
        im = Image.open(im)

    if im.mode == "1":
        format = QImage.Format_Mono
    elif im.mode == "L":
        format = QImage.Format_Indexed8
        colortable = []
        for i in range(256):
            colortable.append(rgb(i, i, i))
    elif im.mode == "P":
        format = QImage.Format_Indexed8
        colortable = []
        palette = im.getpalette()
        for i in range(0, len(palette), 3):
            colortable.append(rgb(*palette[i:i+3]))
    elif im.mode == "RGB":
        data = im.tobytes("raw", "BGRX")
        format = QImage.Format_RGB32
    elif im.mode == "RGBA":
        try:
            data = im.tobytes("raw", "BGRA")
        except SystemError:
            # workaround for earlier versions
            r, g, b, a = im.split()
            im = Image.merge("RGBA", (b, g, r, a))
        format = QImage.Format_ARGB32
    else:
        raise ValueError("unsupported image mode %r" % im.mode)

    __data = data or align8to32(im.tobytes(), im.size[0], im.mode)
    return {
        'data': __data, 'im': im, 'format': format, 'colortable': colortable
    } 

def _toqclass_helper(im):
    data = None
    colortable = None

    # handle filename, if given instead of image name
    if hasattr(im, "toUtf8"):
        # FIXME - is this really the best way to do this?
        if py3:
            im = str(im.toUtf8(), "utf-8")
        else:
            im = unicode(im.toUtf8(), "utf-8")
    if isPath(im):
        im = Image.open(im)

    if im.mode == "1":
        format = QImage.Format_Mono
    elif im.mode == "L":
        format = QImage.Format_Indexed8
        colortable = []
        for i in range(256):
            colortable.append(rgb(i, i, i))
    elif im.mode == "P":
        format = QImage.Format_Indexed8
        colortable = []
        palette = im.getpalette()
        for i in range(0, len(palette), 3):
            colortable.append(rgb(*palette[i:i+3]))
    elif im.mode == "RGB":
        data = im.tobytes("raw", "BGRX")
        format = QImage.Format_RGB32
    elif im.mode == "RGBA":
        try:
            data = im.tobytes("raw", "BGRA")
        except SystemError:
            # workaround for earlier versions
            r, g, b, a = im.split()
            im = Image.merge("RGBA", (b, g, r, a))
        format = QImage.Format_ARGB32
    else:
        raise ValueError("unsupported image mode %r" % im.mode)

    __data = data or align8to32(im.tobytes(), im.size[0], im.mode)
    return {
        'data': __data, 'im': im, 'format': format, 'colortable': colortable
    }